• Grow more with less.

    Get lab tests for your farm’s soil, water, plants and other inputs.

  • Internationally Accredited Laboratory Services

    20 years of delivering high quality laboratory & advisory services for agriculture, environmental monitoring and food safety sectors in Africa.

  • Welcome to Crop Nutrition Laboratory Services

    Advising farmers across Africa on how grow the best with less.

  • Start your own Soil Testing Lab for Smallholder Farmers

    The Cropnuts FARMLAB gives smallholder farmers direct access to in-field laboratory services. Talk to us about setting one up for your company or community.

  • Expert hands-on training from people with over 20 years of experience

    Sign up today and get hands-on technical training from our agronomy expert.

  • Breaking yield records with precision farming

    Tap into our large-scale precision agronomy service to achieve internationally record- breaking yields.

Center of Analytical & Agronomy Excellence

Crop Nutrition Laboratory Services Ltd (Cropnuts) is East Africa's leading agricultural testing laboratory & agronomy advisory services company. Leaders in soil fertility, water quality, food safety, pesticide residues, fertilizer quality, animal feed, plant disease & nematode laboratory analysis.

Leading farm management consultants offering farm advisory services with advanced tools such as satellite imagery for precision farming, GIS applications for soil mapping & land suitability surveys.

  • 12390

    Corporate Clients

  • 75835

    Smallholder Farmers

  • 13

    Mobile Laboratories

  • 944

    Field Trials Conducted

Our Laboratory is Internationally Accredited

Cropnuts is ISO/IEC 17025 accredited by the Kenya Accreditation Service (KENAS). ISO/IEC 17025 accreditation fulfills the general competence requirements for testing and calibration laboratories and demonstrates our ability to carry out laboratory testing and calibration to an international standard.

Real Farmers, Real Success Stories

Find out more about how we are working with farmers to improve their yields

  • How We Achieved Massive 11.84 ton/ha Barley Yield

    Barley farming in Kenya is setting new yield records as witnessed in various barley trials conducted in Timau, Meru County. Trials are a huge part of making progress in farming, and back in September 2018 we harvested something truly special. A plot of barley – 10 metres long by 2 metres in length – that […]

  • Soil Testing For Smallscale Farmers In Malawi

    Our on-site AI based soil testing platform has already reached 90,000 smallholder farmers across Africa

Stay Informed, Be Inspired

Get the latest news from Cropnuts and don’t miss out on the latest in independent agronomy, including articles, alerts, case studies and training opportunities plus much more.

Soil health Crop Nutrition Crop Production
March 31st, 2025

Factors Affecting Nutrient Availability to Plants

Even when fertilizers are generously applied, plants don’t always get the nutrients they need. Why? Several key soil and environmental factors influence how effectively plants can access and absorb nutrients. These are: 1️⃣ Soil pH Soil pH determines how easily plants can take up nutrients. Most crops thrive in a pH range of 5.5–7.0, where […]

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Soil health Crop Nutrition Crop Production
March 31st, 2025

Crop Nutrition Program For Carrots 🥕

Carrots are a popular and nutritious crop, and to grow healthy and high-yielding carrots, a well-planned fertilizer program is essential. Let’s explore a comprehensive fertilizer program tailored to the various growth stages of carrots. 1️⃣ Pre-Planting Preparation: Begin by conducting a thorough soil test to assess the nutrient levels in your soil. Based on the […]

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Soil health Crop Nutrition
February 14th, 2025

Soil Organic Matter and Crop Response to Fertilizer

If your fertilizer applications aren’t delivering the expected yield improvements, your soil’s organic matter (SOM) levels could be a key missing piece. Without adequate organic matter, even the most precise nutrient applications can be inefficient. In today’s post, let’s explore how SOM improves crop response to fertilizers: 🔹 Nutrient Retention SOM acts as a slow-release […]

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