VICTOR SHITUMBANUMA,PAUL SIMFUKWE,DANIEL KALALA <br/><br/>
INTERGRATED SOIL FERTILITY MANAGEMENT IN ZAMBIA 

 - ZAMBIA  ZAMBIA AGRICULTURE RESEARCH INSTITUTE  1984 
 - 51p 
 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>soil fertility