Kenya Coffee School

Coffee Agronomy & Extension Handbook

Week 1 – Foundations of Coffee Agronomy

Day 1 – Global Coffee Production

Module 2: Global Coffee Production

Learning Objectives

By the end of this module, learners should be able to:

  • Explain the global distribution of coffee production.
  • Identify the major coffee-producing countries.
  • Differentiate between Arabica and Robusta production regions.
  • Understand the climatic and environmental requirements for coffee cultivation.
  • Examine emerging trends affecting global coffee production.
  • Appreciate the role of sustainability in the international coffee industry.

Introduction

Coffee is cultivated in more than 70 countries across the tropical and subtropical regions of the world. These countries lie within a geographical zone known as the Coffee Belt, stretching between the Tropic of Cancer and the Tropic of Capricorn. Within this belt, suitable temperatures, rainfall, altitude, and soils provide ideal conditions for growing coffee.

Globally, coffee is among the most traded agricultural commodities and supports the livelihoods of over 100 million people. It generates billions of dollars annually through farming, processing, export, roasting, retail, equipment manufacturing, logistics, hospitality, and tourism.

Coffee production is broadly divided between Arabica (Coffea arabica) and Robusta (Coffea canephora). Arabica accounts for approximately 60–70% of world production and is valued for its superior cup quality, while Robusta contributes 30–40% and is known for higher yields, disease resistance, and greater caffeine content.

The Global Coffee Belt

The Coffee Belt encompasses countries in:

Africa

  • Kenya
  • Ethiopia
  • Uganda
  • Tanzania
  • Rwanda
  • Burundi
  • Cameroon
  • Côte d’Ivoire
  • Democratic Republic of Congo
  • Zambia
  • Malawi
  • Madagascar

Africa is the birthplace of Arabica coffee and remains globally respected for producing distinctive specialty coffees with floral aromas, bright acidity, and complex flavour profiles.

South America

South America is the world’s largest coffee-producing region.

Leading producers include:

  • Brazil
  • Colombia
  • Peru
  • Ecuador
  • Bolivia

Brazil alone contributes roughly one-third of global coffee production, making it the world’s largest producer.

Central America

Important coffee-producing countries include:

  • Guatemala
  • Honduras
  • Costa Rica
  • Nicaragua
  • El Salvador
  • Panama
  • Mexico

These countries specialize in high-quality Arabica coffee grown at high elevations.

Asia and Oceania

Major producers include:

  • Vietnam
  • Indonesia
  • India
  • Laos
  • Thailand
  • Papua New Guinea

Vietnam is the world’s largest producer of Robusta coffee and a key supplier to the instant coffee industry.

The Top Coffee-Producing Countries

The leading coffee-producing nations include:

  1. Brazil
  2. Vietnam
  3. Colombia
  4. Indonesia
  5. Ethiopia
  6. Uganda
  7. India
  8. Honduras
  9. Peru
  10. Mexico

Kenya produces a smaller volume compared to these countries but commands premium prices because of its exceptional quality and specialty coffee reputation.

Arabica vs. Robusta Production

Arabica Coffee

Arabica grows best under the following conditions:

  • Altitude: 1,000–2,200 metres above sea level
  • Temperature: 18–24°C
  • Annual rainfall: 1,200–2,000 mm
  • Well-drained, fertile soils
  • Moderate shade

Characteristics:

  • Smooth flavour
  • Bright acidity
  • Floral and fruity aromas
  • Lower caffeine content
  • Premium market prices

Robusta Coffee

Robusta thrives under different conditions:

  • Altitude: Sea level to 900 metres
  • Temperature: 22–30°C
  • Higher tolerance to heat
  • More resistant to pests and diseases
  • Higher yields

Characteristics:

  • Stronger, more bitter taste
  • Higher caffeine content
  • Greater body
  • Widely used in espresso blends and instant coffee

Factors Influencing Coffee Production

Successful coffee farming depends on several interconnected factors:

Climate

Coffee requires:

  • Stable temperatures
  • Reliable rainfall
  • Adequate sunshine
  • Moderate humidity

Climate change has disrupted these conditions in many producing countries through prolonged droughts, irregular rainfall, and increased pest pressure.

Altitude

Higher elevations generally produce slower bean development, resulting in denser beans and more complex flavours. This is one reason Kenyan coffees are highly sought after.

Soil

Coffee grows best in:

  • Deep soils
  • Well-drained soils
  • Volcanic soils
  • Organic matter-rich soils
  • Slightly acidic soils (pH 5.5–6.5)

Water

Water is essential for:

  • Flowering
  • Cherry development
  • Processing
  • Washing stations
  • Irrigation during dry periods

Efficient water management is becoming increasingly important due to climate variability.

Global Coffee Supply Chain

Coffee travels through several stages before reaching consumers:

  1. Farmer
  2. Cooperative or Estate
  3. Processing Factory
  4. Dry Mill
  5. Exporter
  6. International Trader
  7. Roaster
  8. Distributor
  9. Coffee Shop or Retailer
  10. Consumer

Each stage adds value while also influencing quality, traceability, and pricing.

Sustainability in Global Coffee Production

The coffee industry faces significant challenges, including:

  • Climate change
  • Deforestation
  • Soil degradation
  • Water scarcity
  • Low farmer incomes
  • Labour shortages
  • Market price volatility

To address these issues, producers are adopting sustainable practices such as agroforestry, regenerative agriculture, integrated pest management, organic soil improvement, carbon farming, water conservation, and digital traceability systems.

These innovations aim to improve resilience, protect ecosystems, and ensure that coffee farming remains profitable for future generations.

Kenya’s Position in the Global Market

Although Kenya contributes a relatively small share of global coffee production by volume, it is internationally recognised for producing some of the world’s finest specialty coffees. Kenyan Arabica is prized for its bright acidity, full body, and distinctive blackcurrant, citrus, and berry flavour notes.

Maintaining this reputation requires continuous investment in research, farmer training, quality control, climate adaptation, and value addition. Institutions such as Kenya Coffee School play a vital role in equipping farmers, agronomists, baristas, processors, and entrepreneurs with the skills needed to strengthen Kenya’s position in the global coffee industry.

Summary

Global coffee production is a complex agricultural and economic system involving millions of producers and consumers. Understanding where coffee is grown, the factors affecting production, and the differences between Arabica and Robusta provides a strong foundation for studying coffee agronomy. As the industry faces climate and market challenges, sustainable and regenerative practices will shape the future of coffee production worldwide.

Review Questions

  1. What is the Coffee Belt?
  2. Name the world’s top five coffee-producing countries.
  3. Compare Arabica and Robusta coffee.
  4. Explain how altitude influences coffee quality.
  5. Why is Kenya recognised as a specialty coffee producer?
  6. Identify five challenges facing global coffee production.
  7. Describe the main stages of the global coffee supply chain.
  8. Discuss how sustainable agriculture can improve the future of coffee production.