Ouma, Shellemiah Otieno -M. Sc. Student, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya; Magiri, Esther Nkirote - Senior Lecturer, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya; Matiru, Viviene N. -Senior Lecturer, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya; Mugweru, Julius - Lecturer, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya; Ngamau, Catherine N. Ngamau -Lecturer, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya [untranslated]
(2015-02-13)
Nitrogen is a major nutrient element required by crops and its scarcity in soil adversely affects crop yield. Application of
inorganic nitrogenous fertilizers is costly, causes environmental pollution and leads to poor ...