Me and my team did it to inspire and, more importantly, to create the tactics and details around how you, your organization, your startup  can know more about start working on coffee business.

However this deck continues my tradition of training step-by-step guides that give you the exact information I’ve used to run my introduction to coffee class. That includes references like :

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Coffee from Al-Mokha began to be referred to simply as Mocha coffee, a name originally having little to do with the chocolatey coffee drink you can buy today. (Mocha is also used to refer to a coffee varietyoriginating from Yemen, one that the SCA describes as “genetically very close to Bourbon.”)

Yemen coffee has a distinct flavor and aroma. It’s complex earthiness often holds tones of dried fruit, partly due to being dried with the fruit husk. This Arabian Yemen coffee also carries notes of chocolate, cinnamon, cardamom or tobacco. The strongest of these notes is chocolate, which might account for the modern use of the word “Mocha” in association with Yemen coffee.

How It’ Grown ?

Yemen coffee farms are typically small and on the wilder side, with farmers hand-picking the coffee cherries from ancient varieties of Arabica plants growing on gorgeous, terraced mountainsides.

The microclimate has produced drought-resistant coffee plantsthat create very unique, complex-tasting coffee beans with that iconic chocolate flavor The coffee is typically harvested between November and December and is sun-dried, often right on the rooftops of the farmers’ houses! It’s an easy process in the bright and hot Yemeni climate. The leftover cherry husks are also used to create qishr(the local brand of cascara)

Sanani Coffee

First, we have the Sanani variety, which comes from various coffee plants grown in the regions west of the capital city of Sana’a. This region tends to include some crops grown at lower altitudes, and can, therefore, be of lower quality. Beans from this region have a balanced and fruity flavor profile, a medium body, and typically exhibit less acidity than other Yemeni coffees.

Hirazi Coffee

Hirazi coffee also comes from the western regions of the nation, located a couple mountain ranges west of the capital of Sana’a. This coffee tends to be light and fruity, with a winey acidity.

Ismaili Coffee

One of the few categorized ancient coffee tree varieties of Yemen, Ismaili is the name of a coffee plant varietal. Typically grown in central Yemen, it yields a unique, high-quality, pea-like coffee bean that tends to be bright and berryish, though this brightness can be muted. This tree/region name overlap can lead to some confusion regarding whether a particular coffee with this name comes from the region itself, or from a tree of that variety

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Coffee trees are pruned short to conserve their energy and aid in harvesting, but can grow to more than 30 feet (9 meters) high. Each tree is covered with green, waxy leaves growing opposite each other in pairs. Coffee cherries grow along the branches. Because it grows in a continuous cycle, it’s not unusual to see flowers, green fruit and ripe fruit simultaneously on a single tree. It takes nearly a year for a cherry to mature after first flowering, and about 5 years of growth to reach full fruit production. While coffee plants can live up to 100 years, they are generally the most productive between the ages of 7 and 20. Proper care can maintain and even increase their output over the years, depending on the variety. The average coffee tree produces 10 pounds of coffee cherry per year, or 2 pounds of green beans. All commercially grown coffee is from a region of the world called the Coffee Belt. The trees grow best in rich soil, with mild temperatures, frequent rain and shaded sun.

Botanical classification

Coffee traces its origin to a genus of plants known as Coffea.  Within the genus there are over 500 genera and 6,000 species of tropical trees and shrubs. Experts estimate that there are anywhere from 25 to 100 species of coffee plants. The genus was first described in the 18th century by the Swedish botanist. Botanists have disagreed ever since on the exact classification, since coffee plants can range widely. They can be small shrubs to tall trees, with leaves from one to 16 inches in size, and in colors from purple or yellow to the predominant dark green.

In the commercial coffee industry, there are two important coffee species — Arabica and Robusta.

Coffea Arabica — C. Arabica

Varieties: Bourbon, Typica, Caturra, Mundo Novo, Tico, San Ramon, Jamaican Blue Mountain

Coffea Arabica is descended from the original coffee trees discovered in Ethiopia.  These trees produce a fine, mild, aromatic coffee and represent approximately 70% of the world’s coffee production. The beans are flatter and more elongated than Robusta and lower in caffeine.

On the world market, Arabica coffees bring the highest prices.  The better Arabicas are high grown coffees — generally grown between 2,000 to 6,000 feet (610 to 1830 meters) above sea level — though optimal altitude varies with proximity to the equator. The most important factor is that temperatures must remain mild, ideally between 59 – 75 degrees Fahrenheit, with about 60 inches of rainfall a year. The trees are hearty, but a heavy frost will kill them. Arabica trees are costly to cultivate because the ideal terrain tends to be steep and access is difficult. Also, because the trees are more disease-prone than Robusta, they require additional care and attention.

Coffea canephora — C. canephora var. Robusta

Variety: Robusta is a one canphora variety

Most of the world’s Robusta is grown in Central and Western Africa, parts of Southeast Asia, including Indonesia and Vietnam, and in Brazil. Production of Robusta is increasing, though it accounts for only about 30% of the world market. Robusta is primarily used in blends and for instant coffees. The Robusta bean itself tends to be slightly rounder and smaller than an Arabica bean. The Robusta tree is heartier and more resistant to disease and parasites, which makes it easier and cheaper to cultivate. It also has the advantage of being able to withstand warmer climates, preferring constant temperatures between 75 and 85 degrees Fahrenheit, which enables it to grow at far lower altitudes than Arabica. It requires about 60 inches of rainfall a year, and cannot withstand frost. Compared with Arabica, Robusta beans produce a coffee which has a distinctive taste and about 50-60% more caffeine.

The Anatomy of a Coffee Cherry

The beans you brew are actually the processed and roasted seeds from a fruit, which is called a coffee cherry. The coffee cherry’s outer skin is called the exocarp. Beneath it is the mesocarp, a thin layer of pulp, followed by a slimy layer called the parenchyma.  The beans themselves are covered in a paper-like envelope named the endocarp, more commonly referred to as the parchment. Inside the parchment, side-by-side, lie two beans, each covered separately by yet another thin membrane. The biological name for this seed skin is the spermoderm, but it is generally referred to in the coffee trade as the silver skin.

In about 5% of the world’s coffee, there is only one bean inside the cherry. This is called a peaberry (or a caracol, or “snail” in Spanish), and it is a natural mutation. Some people believe that peaberries are actually sweeter and more flavorful than standard beans, so they are sometimes manually sorted out for special sale.

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Finding the good green coffee in any field (specialty or non) is always my concern and also I had problem always for finding what I need but the answer is so simple , I didn’t know what I need , first decided about price, cup profile and target market, then start sending email to all the coffee importers and take their price list and find what you like.

Purchasing coffee is no easy task – although it’s certainly an exciting one. From selecting your origins to managing inventory, there are endless considerations. But your green coffee importer doesn’t just have to be your supplier. They could also be an important resource as you brand yourself and grow as a business. How do you build your partnership with a green coffee importer? What questions should you be asking them? And what do they need to know about you? This is other point of view.

The cuping way is so important.  Cupping: it’s how you decide if a coffee is worth adding to your profile and it’s how the importer determines its cupping score, flavor notes, and ultimately, price. However, not everyone cups in the same way. “It is important to rule out any variable that makes the experience of tasting coffee different from importer versus customers. So, it’s a good idea to understand how your importer is cupping in order to replicate that yourself and to get an idea of what they are tasting under the same conditions,” says Caitlin. Additionally, you should ask about the kind of cupping feedback the importer provides. Will you just get a number or do you receive more information about the coffee? “Not every coffee is going to be a 90+ Geisha, but that doesn’t mean that the coffee is not a really good representative of a certain region or a certain profile. So, what we try to do when we communicate with our clients is go a little past the number score and more about what may be the use for this coffee. Is it going to be a pour over or is it going to be a piece of a blend?”

Servicing Provide is really important for keeping the quality, Don’t make assumptions: a lot of importers will do more than just sell you their coffee. Find out about the scope of services that they offer. Do they provide logistical support? Are freight costs included? Do they have a warehouse facility where you can store your coffees and, if so, for how long? Do they offer financing options? “It’s an absolutely important question, For Royal, for example, if customers pay up front for their coffee, we offer five months of free storage in the warehouse. Some of these options may be included in the pricing while some might be extra. Make sure you understand exactly what everything costs – and how that might vary as your purchases change in the future. you can also offer financing options that will depend on the pricing of coffee and the nature of the account. These services can potentially save you money and help you have better cash flow, so it’s good to understand exactly what you get”. Other issue is about asking the right questions (and at the right time).

As a roaster, your business identity – and your customer’s loyalty – will often revolve around which kinds of coffee you provide. You don’t want to lose customers who love your coffee’s flavor, only because can’t provide them with a suitable replacement when it goes out of season. So, ask your importer about seasonality and coffee substitutions. What are some origins that you can purchase all year round, and what are their unique characteristics? How should you organize your purchases from your favorite origin, depending on the seasonality? When you start to run out of a particular component coffee for a blend, can they offer you a suitable substitute? I recommend  asking these questions in the planning stage of your roastery, even before your roastery is open. If you tell an importer that you’re “looking to open a roaster in six months or eight months,” he tells me, they can recommend origins that are going to be in season in that period. They can also walk you through the timeline of how and when to start purchasing coffee. Another thing that you can ask your importer is how they source. Do they buy from single farms, cooperatives, or both? What kind of impact will your purchasing decision have in the coffee-farming communities? You can ask these questions is vital for building your brand identity and mission, especially if ethically sourced coffees and sustainability feature in that. Yet it’s not always as simple as single origins are better. He says that while a single farm may offer traceability, buying from cooperatives could help hundreds of community members. He recommends having a conversation with your importer to gain a bigger picture of the effect of your purchasing decision.your Purchasing Options & The Receiving Process is about If you know the kind of coffee you want to buy and the origin, how should you move forward? Is spot purchasing an option? What about forward contracts? Is it possible to benefit through your importer trading in futures contracts?

This is an important question,particularly for roasters that are starting out.while various importers offer different buying options, the one you should pick will depend on your roastery and its size. if you’re just starting out, he explains,you can start spot purchases from a warehouse at that time and, as you grow, you might say, ‘I want to do forward contracts.’… That can be beneficial to having a more long-term sense of what your cost may be for a coffee, but keeping in mind that your cash flow and working capital are very important as you grow then nnce you have decided on the coffee and the contract, you should ask your importer about the receiving process. Check the available freight options, as well as how long it will take from the moment you place an order until you receive it. Knowing this will make inventory management easier. Now you can ask importers for the realistic time from the date of order to delivery to your door, and then “backtrack when you need to place the order, and add a few more days to that, just to be sure. additionally, roasters can treat importers as a source of knowledge. Think about us as a resource not just for the green bean itself, but sometimes to give you a picture of any other aspect of the market that may affect the transit time for origins and may affect pricing for certain origins, whether it’s port strikes, currency movements, or unexpected weather, importers keep close tabs on anything that could affect the coffee trade. As a result, they can be a valuable aid when you’re trying to plan ahead. No-one knows more about these coffees than the importer themselves.Finally find out what services they offer. Ask them about these basics and figure out what you need. And make sure they also know a bit about you.

This will help you to select the right green bean supplier and then build a strong relationship with them, one that will support you in making the best purchasing decisions, managing your cash flow, and reinforcing your brand. For traders, it’s their job to sell coffee, But at the same time, I want to have anyone that I work with and their business to succeed.

Saeed abdinasab

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The most intense solar radiation reaches a plant growing in the tropics when the sun is directly overhead. As the Earth tilts, the solar intensity is reduced because the radiation is spread over a larger area.With some simple trigonometry, you can see that a shift in the angle of the sun of 60° reduces the available sunlight by approximately half. A coffee farm located on the Tropic of Capricorn will receive direct sunlight on the 21st of June. But by the 22nd of December, the angle of the sun will have shifted from 23° 26′ south to 23° 26′ north. this change results in direct sunlight being spread over roughly 36 percent more land area, reducing the intensity of light where it strikes the earth. However, the times when the sun is directly overhead roughly corresponds with the rainy season, which can result in significant cloud cover obscuring the sun’s rays in an effect known as albedo. Based on observations on Reunion Island, sited in the Indian Ocean, east of Madagascar, Bertrand et al., 2012 reported that solar radiation was negatively correlated with elevation, due to the frequent cloudy weather in the highlands, and positively correlated with temperature.’ In other words, increased solar radiation and temperature occurred in areas of lower elevation.

• During the season when the sun is directly overhead in the tropics, the combination of a lot of rain and a lot of light represents an intense growing phase for coffee plants. At this time of year, coffee plants tend to flower. Coffee farms located closer to the equator have some complexity regarding this seasonal fluctuation, however, because they can experience two rainy seasons per year. The biological clock of a coffee plant usually works on an annual cycle, but in some places on the equator (such as Colombia), some regions can have trees flowering while in a neighboring valley the farmers are harvesting.

Albedo

• Sunlight can reach a plant from below as well as from above. One means of this is by reflection from the Earth’s surface. In wine growing this is known as albedo. The extreme form of albedo comes from fresh snow, which will reflect over 80 percent of the solar radiation. High up, clouds in the stratosphere can reflect 70 percent of the solar radiation. Dark-colored, wet soil (typical of most coffee farms) will reflect only around 10 percent of the sun’s radiation. This is very similar to the amount that will be reflected from forest cover.The availability of sunlight is the major rate-limiting factor in the process of photosynthesis by coffee plants. For this reason, coffee farmers may thin the forest canopy as their plants mature.

Aspect

• Aspect refers to the orientation of a hillside relative to its compass bearing. It is an established principle of winemaking that the angle and orientation of a hillside can alter the flavour of a wine. The classic example of this is the difference between north- and south-facing slopes. If your coffee farm were on the Tropic of Capricorn in your rainy season, the sun will be aligned with the Tropic of Cancer. In this situation, a north-facing slope receives the most direct sunlight and a south-facing slope receives the least possible amount of light exposure.(Bertrand et al., 2012)concluded that the terroir of the coffee plant determined the sensory characteristics and chemical contents of its beans. They also found that the plant’s altitude and slope exposure created nuances in the sensory characteristics of coffees grown within a terroir.
• What’s the difference between Eastern or Western Aspect?

Plants with an east-facing aspect receive the first morning light, making them drier than plants with a west-facing aspect. The dew and rain begin to evaporate sooner in the day than they would on a west-facing aspect, so they have a head start. Plants with a west-facing aspect are usually warmer than those on a south-facing aspect, so ripening tends to occur more quickly. The last two decades have seen increases in the land area devoted to shade-grown coffee, but at the same time, non–shade-grown production has increased almost exponentially. ‘Shade-grown’ now describes around 24 percent of the land used for coffee. This amount is down from 43 percent in 1996. Yield-focused government incentives have been the driver for the widespread adoption of full-sun farming over the past two or three decades. Coffee research institutes created in the 1970s and 1980s , promoted the reduction or removal of shade cover.

• There is some controversy around the subject of shade. A disconnect exists between conservationists looking to maintain biodiversity and the viewpoint of yield-driven government incentives, aimed at increasing farmer prosperity. However, the literature points towards a happy medium here. Studies … have predominantly revealed that intermediate shade levels (approximately 35%–50%) produce the highest coffee yield, which is probably because of the balance maintained between optimal temperatures in shaded environments and optimal photosynthetic rates in unshaded environments … Because coffee yields are typically assessed independently of yield from timber, other crops, or ecosystem services, it may be difficult for governments and conservation institutes to weigh the benefits of diversified farming approaches. High yields don’t always equate with high quality.

Does Shade Grown Coffee Taste Better?

• it is clear that shade coverage is able to reduce average temperatures for coffee plants. using 45 percent shade netting found a significant difference between inner and outer leaf temperatures of coffee plants and a significant overall temperature drop. we measured differences of 4◦ C for inner leaves (measure from the trunk up to the sixth leaf) and 2◦ C for outer leaves. The same experiment accumulated sensory impressions of coffee grown under differing levels of shade cover. The chart below records the findings of their sensory panel. In addition, to testing full sun and shade, they also tested fruit load by removing a quarter and a half of the fruit from certain trees. The reason for this is that full sun plants tend to overbear and so the experiment sought to test if pruning could counteract this issue whilst still yielding good tasting coffee under full sun. The panel showed a clear preference for the shade-grown coffee over two growing seasons. A scientific study conducted on Reunion Island (the site of the Typica variety’s famous mutation into the Bourbon variety) collected sensory and chemical data from sixteen microclimates across the island. This research found a correlation between a cooler climate and positive sensory performance. Positive quality attributes such as acidity, fruity character and flavour quality were correlated and typical of coffees produced at cool climates.’
• One theory to explain why coffee may taste better in shade is the slower maturation of the fruit. In the case of the Reunion Island sensory trials, In a warmer micro-environment with high irradiance, coffee berries ripened faster in full sun than in shade. Therefore the harvest peak was delayed by about 1 month owing to shade. The slowed-down ripening process of coffee berries at higher elevations (lower air temperatures), or under shading, allows more time for complete bean filling Vast, yielding beans that are denser and far more intense in flavour than their neighbors grown at lower altitudes. Tropical climates are characterized by a reduced seasonal temperature variation. Where large changes in temperature do occur, altitude is usually the main modulating factor. But shade can give the farmer the ability to ‘micro-adjust’ the climate. The Reunion Island study confirmed that temperature during seed development has a major effect on the flavour of roasted coffee. The sensory trials found multiple correlations between coffee quality and lower temperatures. Coffees produced in regions with a cool climate (more elevated) are more acidic, have a better aroma quality and display fewer flavor defects than those produced in warmer regions (less elevated). Conversely, coffees grown under the hottest temperature conditions have lower acidity, lower aromatic quality, as well as the presence of green and earthy off-flavors … Aroma quality, acidity, fruitiness and overall quality were favored by cool climates, whilst the undesirable earthy and green tastes were increasingly present as the temperature increased. It therefore appears that the quality was weakest under warm climates.

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Why Are Coffee Varieties Important?

How important coffee varieties are depends on your role in the coffee supply chain: producer, barista, roaster, consumer, If you’re a consumer, you might be wondering why you really need to learn another set of labels for your coffee. Is the variety really that important, compared to the country of origin, roast level, and processing method? And if it is important, why do only some coffee bags tell you about it?  The simple answer is that coffee varieties can affect the flavour of the coffee. Some, like Bourbon, are known for their sweet taste. Others, like Gesha/Geisha, are known for tea-like qualities.  But coffee flavour isn’t just about the variety: it’s also about the growing conditions, processing, and more. The uniqueness of a high-quality coffee is part of what makes this beverage so wonderful. Roasters, you need to know about varieties because they don’t just affect the flavour profile – they also affect how you roast.  Different beans will have different sizes: Maragogype is famously large, while Mokka is tiny. And since roasting is a physical transformation, how heat is transferred throughout the bean is of key importance. You need to understand the physical makeup of your coffee (especially if you’re blending). And producers, varieties are of critical importance to you. Your choice will affect the flavour profile and potential cup score, the hardiness of the plant and its resistance to disease, its productivity, which altitude and temperature it grows at best, and more.  Another reason to care about varieties is that Arabica coffee has a worryingly low genetic diversity. This means it is more susceptible to disease and climate change – and could even theoretically become extinct in the future. Creating and/or finding more genetic variety is of key importance right now.

Species, Variety, Cultivar They are many different species of coffee – over 100, according to World Coffee Research (WCR) – but the main three are Arabica, Robusta, and Liberica. Specialty coffee shops rarely sell anything but Arabica, shunning Robusta for its harsher, more bitter taste – although some shops are making the case for Fine Robustas. Liberica is usually only consumed in the Philippines.  The category below “species”, when describing plants, is “variety”. Varieties refer to different variations within the species. For example, Caturra is a variety of Arabica while Nganda is a variety of Robusta. As for a cultivar, that’s a coffee variety that has been created by humans in an agricultural setting. Another point that confuses many people is the difference between varietal and variety. Simply put, “variety” is a noun and “varietal” is an adjective. However, because language is almost as complex as coffee genetics, it’s possible to use “varietal” in a way that acts as a noun when discussing the coffee product rather than the plant (something called nominalisation). But this is an article about coffee, not linguistics: it’s enough to say that the differences between “varietal” and “variety” are just grammatical. There are many coffee varieties around the world, and we couldn’t hope to cover all of them in just one article. However, we’re going to take a quick look at some of the most famous or noteworthy Arabica varieties.

Typica

Typica coffee is one of the earliest and most important coffee varieties, having been around for centuries and engendered numerous others. Notable Typica varieties include Java, Maragogype, and Timor Hybrid. You’ll find this plant being farmed in Central America, Jamaica, and Asia. The WCR label it as low-yield, high-quality, and susceptible to rust and pests. It’s often described as having a clean, sweet acidity.

Bourbon

A natural mutation of Typica, Bourbon is a high-quality, medium-yield coffee known for its sweet taste. It has, however, low resistance to leaf rust, coffee berry borer, and other diseases and pests. It’s commonly grown in Burundi and Rwanda, as well as throughout Latin America.  Why should you know about Bourbon? For the same reasons why you should know about Typica: its early appearance in the “coffee variety tree” makes it a common variety that has also engendered numerous others.

Ethiopian Heirloom

While most Arabica coffee varieties come from Typica or Bourbon, coffee originally comes from Ethiopia – and Kew Gardens have established that the country holds 95% of coffee’s genetic diversity. When you see “Ethiopian Heirloom” written on a bag of coffee, it means that it was probably grown wild or in a lightly cultivated garden.

Timor Hybrid

Timor Hybrid is a controversial coffee, since it’s a (spontaneous) Arabica-Robusta hybrid. Robusta is a more, well, robust coffee species: it offers hardiness and resistance to coffee leaf rust in exchange for a less appealing flavour and aroma profile.  As a result, this unique coffee has been used in many cultivars, particularly Catimors and Sarchimors. Catimors are a group of Caturra and Timor Hybrid crosses, Sarchimors a group of Villa Sarchi and Timor Hybrid crosses. Examples of these include Castillo, Colombia, and Marsellesa.Specialty coffee buyers can be wary of any plant with a Timor Hybrid parentage – but some producers, especially those at lower altitudes where coffee leaf rust is more likely, believe less risk is worth a potentially lower cup quality and price.

Gesha/Geisha

Gesha/Geisha originated in the village of Gesha, Ethiopia, but remained under the radar until 2003 in Panama. Since then, Panamanian Geisha has become one of the industry’s most-famous coffees. With most coffee championship finalists using it. it’s become a byword for excellence – and exclusivity. It has a distinctive profile: tea-like with a jasmine aroma, orange blossom and bergamot notes, and delicate florals. As for the plant, it grows best at high altitudes (WCR recommend above 1,400 m.a.s.l.), is low-yielding, and can be delicate. While it has earned high prices at auction, there have been horror stories of producers growing it outside of Panama only to see their plants die in incompatible climates and soil.

F1 Hybrids

F1 hybrids are a new generation of coffee varieties that have the potential to be high-quality, rust-resistant, and high-yielding. They are typically mass-produced in advanced nurseries. Notable F1 hybrids include Centromeric, which has seen recent success in the Nicaraguan Cup of Excellence.One of the most important points about F1 hybrids, for producers, is that they are typically more expensive and harder to obtain. They are mass propagated in sophisticated nurseries with tissue culture labs (i.e., they are cloned) instead of by seed. This is necessary because their germinated seeds (the F2, or second generation) will not necessarily possess the same great qualities as the F1 mother plant, meaning that farmers cannot rely on the performance of the plant. For this reason, WCR advises that producers only buy from reputable nurseries.

Caturra

A natural Bourbon mutation, Caturra is a dwarf tree with an average yield, average quality, and average bean size – in fact, the WCR description of an average yield is “Caturra-like”. It is susceptible to rust and pests, and commonly grown throughout Brazil and Latin America. I’ve included it here because of how common it is.

Catuai

Catuai is a Mundo Novo and Caturra cross that shares many of the same characteristics as Caturra: average yield, average quality, average bean size, susceptibility to rust and pests, and dwarf status. This is only an introduction to the wonderful world of coffee varieties. There are many more that deserve attention: Pacas, Pacamara, Maracaturra, Rume Sudan, Laurina, SL-28, SL-34… The list goes on and on. Producers, pick your coffee varieties carefully. Do your research: understand the demands of each one, and the risks that come with it. When planting a new variety, consider starting slowly, with only a small portion of your farm. As for you, coffee lovers, taste as many varieties as possible. Pay attention to how they vary. Compare different varieties grown in the same region – or the same variety grown across different regions. As you start to learn more about how the variety can affect your cup, your appreciation of coffee will only grow.

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Agronomy is the science of plant production for food, fuel, and fiber. The work of an agronomist encompasses plant genetics and physiology as well as meteorology and soil science. This very simple video from USAID agency working in Uganda will give you an impression of some of the areas that an agronomist oversees. In coffee-producing countries, agronomists operate in the field, working directly with coffee farmers and cooperatives.

They are trained to monitor the terroir of a farming area. Through careful measurements, agronomists can advise farms on practical farm management, helping them achieve the correct levels of soil drainage and teaching them how to implement preventative measures against soil erosion. They can help farmers achieve a sustainable planting density and choose the right fertilizers, and they can offer advice on how to prune and manipulate their trees. Agronomists are the interface between the body of scientific research and the local terroir. To better understand this important practice, we talk about it from other point of view :

hoping to understand more about the science of agronomy. When you are making decisions as to what to plant on your farm or you are advising others on what to plant, what measurements do it need to help more is experiment with varieties that have not been planted at the farm. They are in a kind of Coffee Garden, where we have many varieties expressing their phenotype (meaning, how the plant adapts to the environmental conditions, and how it expresses itself in the cup profile). By now, it really like the behavior and taste of Red Bourbon, Yellow Catuai, Pacamara, Geishas, Rume Sudan, and SL28. All of them are yummy, per se, and we like how cup profile is expressed As a result, it takes years before we set it. For example, you should know know Pacamara and Yellow Catuai will not need too much shade, [which is required] by Bourbon, SL28, and … the Geisha varieties we plant at the farm. the elevation, as our cupping trials have shown, has an impact on the level of acidity. also, we have seen that some of the additional flavor attributes will be more pronounced if the coffee flavor is modulated at the wet-mill. For example, Pacamara and Yellow Catuai will score 84 to 85 points if I do a traditional full-washing process.

But if I do an Orange Honey (semi washed) for Yellow Catuai, or a Natural for a Pacamara, the flavor will explode in my mouth. The Bourbons and Geishas have more versatile cherries; their expression will be great as Natural, or semi-washed or a Double Soak process that is a Full Wash variant, on which prefer is the cherries before depulping, and then give its normal dry fermentation. choosing varieties is something that comes down to microclimate, or the right variety perform well across a range of different conditions in the same terroir, but don’t forget Climate and Edaphic Factors absolutely contribute to the final flavor quality of the bean. Bourbon and Geisha will always express better in a forest environment; Its architecture is full, meaning that their leaves will dress completely the plants. Plants with no stress will always express their happiness in the cup profile J Coffee plants, any variety, will express more crispy flavor when a source of water is close to them. I think mist will help the coffee plants to maintain more fresh temperatures, together with good shade, their system is more stable and with more equilibrium; remembering that this system is found at the forests from Ethiopia where the coffee genetics comes from. Also, coffees grown at higher elevations have a higher chance to score high at the cupping table than coffees grown at lower elevations. 70 percent shade determine normal level of shade , It is very important to handle the architecture of the tree and avoid this kind of parasite.

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But what actually is this drink? What is it made of?

The name “coffee bean” is a lie: coffee is a seed. You’ll find two (normally) of these seeds inside each cherry-like fruit of the coffee plant. The coffee plant could also be categorized as a tree since it has the ability to grow up to about 9 meters. But on coffee farms, it tends to be cut short to make it easier to harvest. As a result, it often looks more like a bush. From the main trunk of the coffee plant, you’ll see primary, secondary, and tertiary horizontal branches. From these, dark green, waxy leaves grow in pairs. “The leaf is fundamental for the plant since that is where photosynthesis happens.” In other words, no leaves would mean no energy. And without energy, the plants would never be able to grow the delicious cherries that contain our coffee beans. Once the coffee plant is about three or four years old, it will flower for the first time. Small, delicate, white flowers will grow where the leaves and branches join, releasing a sweet aroma. “The flowers are where the sexual organs are located.” In other words, the leaves and flowers help the coffee plant reproduce and sustain itself. Six to eight weeks after pollination, a cherry-like fruit will appear where the flowers were located. The unripe cherries are green; over time, they turn red, yellow, orange, or even pink, depending on the variety. And as they ripen, they will grow increasingly sweeter and the caffeine content in the cherries? That actually works as a deterrent against – most – predators. Within the cherry, you’ll find multiple layers. Alvarez says that it has “an exocarp, which is the actual cherry, then we have a mesocarp which is where the mucilage is.” And within the mucilage lies the seeds we can’t face Monday morning without – coffee beans!  Inside every cherry, you’ll find two small seeds – unless it’s a pea berry or otherwise defective, of course. A pea berry is when the seeds are joined: instead of two almost peanut-like ones, you’ll have a larger, rounder, pea-shaped one. This happens to around 5% of seeds. These seeds are the coffee beans. They go through extensive processing to remove the fruit and mucilage, before being dried, roasted, ground, and finally turned into our favorite beverage.

But not all coffee plants are the same…

The Different Kinds of Coffee Plants is about Coffee has over a hundred different species, and each species can be further divided into varieties. And all of these have an impact on how the coffee tastes, how much caffeine it has, and how it grows. The 2 Main Coffee Species: Arabica & Robusta which Arabica is the most commonly consumed coffee in the world, accounting for about 70% of the industry. It’s known for its quality flavors and aromas; “In the specialty market, you go with Arabica.” Compared to Robusta, it:

• Is more sensitive to the weather 
• Is more susceptible to pests
• Thrives at lower temperatures (which often correlate with higher elevations or being grown in the shade)
• Usually produces fewer cherries
• Has less caffeine content
• Tends to be sweeter, more complex, and more aromatic

Robusta, or Canephora, is a more durable, robust tree. It accounts for about 30% of the coffee industry. Compared to Arabica, it:

• Is more resistant to diseases and pests
• Has a higher caffeine content
• Thrives at slightly warmer temperatures
• Has a higher yield, with more cherries and therefore more seeds; however, this means the individual cherries don’t get as many nutrients and so the coffee is often of a lower quality
• Tends to be bitter 

The Great Big World of Coffee Varieties is Unlike species, we consume numerous coffee varieties. Next time you buy a bag of specialty coffee, look at the label: it may tell you which one you’re drinking. Some of the most common ones include Typica, Bourbon, and Caturra. And then there’s Gesha/Geisha, which is probably the most famous variety of all. This exquisite coffee is known for its delicate floral flavors and aromas, along with a tea-like body. The coffee industry also sometimes creates hybrid varieties. these are created when the industry “sees the necessity, or the market, for fusing coffees together.” And the aim? Disease resistance, higher productivity, and better flavor. Pedrotti tells me that a coffee plant could live for up to 80 years. But on a commercial farm? that you might expect them to last for 20 to 30 years, depending on how they’re cared for.  For the first few years of a tree’s life, you shouldn’t expect great productivity. Remember, it won’t flower until it’s three or four years old. All coffee trees started life as those very same seeds that we roast and brew every day. As it grows, you’ll see its distinctive shoots and bright green leaves. Most producers keep young coffee trees in nurseries until the seedlings are ready to be planted on the farm. Once a coffee plant is mature, it will produce flowers; this normally happens shortly after heavy rainfall. And then, after the flowers, comes the cherries. In some countries, such as Colombia, the climate means that the trees flower twice a year – something that, in turn, leads to two harvests a year. that the producer and farm staff must learn to identify when coffee is ready for harvesting. For Arabica coffee, the time from flowering to harvesting is approximately nine months  , Robusta coffee can be harvested two to three times each year, depending on climate and soil. The coffee plant, with its bright cherries and delicate white flowers, is a beautiful sight. Perhaps it’s a strong low-altitude variety or a delicate but flavorsome high-altitude one, a young seedling or an old giant, full of ripe fruit or simply dark green leaves. Either way, it’s thanks to this tree that we can enjoy our daily brew and millions of people around the world have a living.

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