Organic Fertilizer

Introduced to ROP-Africa by the AGRA Coordinator for Farmer Solutions Program Mr. Abed Kiwia, Mr. Samuel Riugu held a fruitful consultative meeting with Senior ROP staff who included Prof. Ruth Oniang’o (Founder and CEO), Mr. Michael Okumu (Administrator), Sylvester Aura (Program Officer) and Ms. Audrey Mikhala (Nutrition Specialist). Sam introduced his company, Safi Organics, which is a private limited company that produces an affordable soil conditioner and fertilizer (branded Safi Sarvi) derived from biomass (farm) waste.

The company has developed patent-pending environmentally friendly reactors and unique recipes enabling the low-cost and decentralized conversion of farm waste into carbon- negative soil conditioner in less than 2 hours. This result into biochar; charcoal used as a soil amendment. This conditioner, which can replace commercial fertilizer, helps farmers improve their long-term crop yields by 30% and increase their income by 50%. In addition, this product actively sequesters 1.5 tons/acre of CO2 equivalent into the soil per planting season. The product is packed in 50Kg bags each retailing at Ksh. 1500 (US$14.58).

This meeting has initiated a possible future partnership between ROP-Africa and Safi Organics. Sam promised to spare time and do a reconnaissance tour of smallholder farmers affiliated to ROP-Africa in western Kenya.


A group photo after the meeting

A group photo after the meeting
From left to right: Michael Okumu, Audrey Mikhala, Prof. Ruth Oniang’o, Mr Samuel Rigu {in blue} and Sylvester Aura

“A truly innovative and enterprising young man”…comment by Prof Ruth Oniang’o.
Note: Please contact us for Sam’s contacts on + 254 722 406955


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  • Simeon Lumbe
    commented 2018-09-22 19:51:19 +0300
    This was a nice meeting, Samuel and a good listening by the ROP team. I hope to discuss with them my Green Growth Initiative in secondary schools

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