Updated on February 7, 2024


Created on August 30, 2020

Safi Sarvi

Upcoming Update

Safi Sarvi is a fertilizer product that is developed from rice husks that would otherwise go waste.

Developed By
  1. Safi Organics
Tested By
  • Kenya Agricultural and Livestock Research Organization (KALRO)
  • Kenya Bureau of Standards (KEBS)
Content Partners


Product Description

Safi Sarvi is an organic fertilizer product that is made from rice husk waste which normal end up in landfills. The rice husk waste is carbonized and provided the necessary conditions for the growth of beneficial microorganisms. The fertilizer product reduces soil acidity and helps farmers to achieve up to 30% increase in crop yield.

Target SDGs

SDG 2: Zero Hunger

SDG 8: Decent Work and Economic Growth

Market Suggested Retail Price


Target Users (Target Impact Group)

Household, Community

Distributors / Implementing Organizations

Safi Organics

Manufacturing/Building Method

The fertilizer is manufactured in Nyandarua County, Kenya using rice husk waste. The area produces a lot of rice husk waste which many times end up in landfills. Safi Organics seeks to reduce this loss by converting the rice husk waste into fertilizer for use on the farms.

Intellectural Property Type


User Provision Model

Users can obtain the product directly from Safi Organics

Distributions to Date Status

As of July 2020, the company has distributed about 20,000 bags.Interview with Manufacturer in 2020

Targeted crop

Maize, rice, wheat, beans, peas, vegetables, fruits, flowers, and grasses

Fertilizer type


Dose (kg/ha)

300 – 600 kg/ha

Application cycle (kg/ha)


Design Specifications

Safi Sarvi is a carbon-negative organic fertilizer locally produced in Kenya by Safi Organics. The fertilizer is made using rice husk waste. The rice husk waste is carbonized and heaped for a period of time to allow for the growth of beneficial microorganisms. It is then mixed with a special formula, blended and packaged ready to be used on farms. Safi Organics set out to use rice husks to help reduce the environmental imprint it leaves as Kenya produces a lot of rice husks, which go waste.

Product Schematics

Technical Support

Provided by the manufacturer.

Replacement Components



3-5 years

Manufacturer Specified Performance Parameters

The product is designed to improve crop yield by up to 30%, reduce water usage and reduce rice husk waste.

Vetted Performance Status

The efficacy of the fertilizer has been evaluated by the Kenya Agricultural & Livestock Research Organization (KALRO)Interview with Manufacturer in 2020


No known safety hazards are related to this product

Complementary Technical Systems


Academic Research and References

Ahmed, R. R., and Abdulla, A. I., 2018, Recycling of Food Waste to Produce the Plant Fertilizer. International Journal of Engineering & Technology, 7(4.37), pp. 173-178.

Idowu, I., Li, L., Flora, J. R., Pellechia, P. J., Darko, S. A., Ro, K. S., and Berge, N. D., 2017, Hydrothermal carbonization of food waste for nutrient recovery and reuse. Waste Management, 69, pp. 480-491.

Compliance with regulations

The product complies with the regulations of the Kenyan Bureau of Standards Interview with Manufacturer in 2020

Other Information

Safi Organics aims to expand its operations beyond Kenya to other countries The Kenyan Bureau of Standards has tested the fertilizer for its nutrient content and the efficacy has also been tested by KALRO Interview with Manufacturer in 2020

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