Tillage and variety effects on soil moisture content, biological nitrogen fixation and soybean (Glycine max l. merril) yield in Western Kenya

A thesis submitted to the Graduate School in partial fulfilment of the requirements for the Master of Science degree in Agronomy of Egerton University

John Okoth Omondi
Wednesday, January 8, 2014
Kenya, soybean, soyabean, soil moisture, tillage, no till, BNF, nitrogen, experiment, trial