Year: 2022 | Month: June | Volume 9 | Issue 1

Role of Minjingu Rock Phosphate and Nitrogen Fertilizer in Improving Phosphorus and Nitrogen Use Efficiency in Maize: A Kenyan Case Study

Rodah P. Cheptoek Jamal Nasar Isaiah O. Ochieng Sagar Maitra Saeid Heydarzadeh Harun I. Gitari


Maize, an essential food item in Kenya, is grown in soils characterized by low pH and low plant-available phosphorus (P), particularly in the Western part of the nation. Low available P and soil acidity are the fundamental causes of low soil fertility in many cropped soils. Such farms are also characterized by low soil nitrogen (N) and inadequate use of inputs such as mineral fertilizers. Deficient use of agronomic inputs, especially phosphorus and nitrogen, has not only led to low yields but also has resulted in poor product quality in terms of nutritional content and yield, in addition to soil fertility degradation. Enhanced use efficiency and access to nitrate fertilizers and soil amendments such as MRP and lime will be most crucial to improving growth, grain yield, nutritional quality, and economic returns, thus reducing poverty and hunger as well as improving good health in the country.

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