Nyongesa, H .W. <br/><br/>
Effects of phosphorus and organic nutrient sources on improvement of soil fertility and Maize (Zea mays L) production on selected soils in Kenya  
H .W Nyongesa 
 - Egerton   Egerton university  2007 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Fertility -Kenya
<br/><br/><label>LC Class. No.: </label>THE S 591.55 .K4N96