• 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 Stephen Tripled His Coffee Yield – From 2 to 6 Tons

    How can smallholder coffee farmers triple their coffee yields with lower fertilizer costs than before? Through soil testing and analysis to triple your yields and increase profitability in coffee farming! This is our Coffee Farming Success Story. Stephen, a smallholder coffee farmer from Central Kenya used to harvest 2500 kilos of coffee from his farm. […]

  • 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 […]

  • Capsicum Farming Success Story

    Ann Muturi, a greenhouse farmer in Kenya’s Kiambu county, has a capsicum farming success story that will rekindle your hope in tomato & capsicum farming Successful Graduate Farmer Ann has won many hats in the past from being a student of math and chemistry at university level, an IT professional and an NGO practitioner to […]

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.

Daktari wa Udongo
November 21st, 2022

Daktari Wa Udongo Profile: Robert Kariuki

My name is Robert Kariuki, I work with farmers to help increase the quantity and quality of their farm produce through sustainable and affordable soil management practices. We do this by training and advising on good soil management as well as sourcing and availing credible soil inputs and soil amendments. I am also a composting […]

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Soil health Crop Trials Crop Nutrition Maize Crop Production Soil Testing
October 21st, 2022

Integrated Soil Acid Management (ISAM) Approaches For Increased Soil Nitrogen Availability and Productivity

In many places of the world, soil acidity is a substantial constraint to soil productivity. Sodium, aluminum, manganese, and hydrogen ion toxicity, as well as deficits in critical elements such as nitrogen, calcium, magnesium, phosphorus, and molybdenum, all contribute to plant growth suppression. Agricultural management practices have increased shifts in soil pH, raising concerns about […]

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Cover Crops Soil health Crop Production Crop Diseases
October 20th, 2022

The ABC of Cover Crops – Part 2

In my last article, we dealt with the many benefits of cover crops and how they can really help improve soil health, soil structure, nutrient availability (especially phosphorous), and water infiltration and moisture holding capacity. These are some of the most important yield destroyers in African soils. Cover cropping, if done properly can really make […]

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