Sustaining soil productivity in intensive African agriculture / 
Y. Ahenkorah, E. Owusu-Bennoah, G.N.N. Dowuona, editors. 
 - Wageningen, The Netherlands :  Technical Centre for Agricultural and Rural Cooperation,  c1995. 
 - 124 p. :  ill. ; 
<br/><br/> On cover: Seminar proceedings, Accra, Ghana, 15-19 November 1993. 
<br/><br/><label>ISBN: </label>9290811382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil management--Congresses.<br/>Soil productivity--Congresses.<br/>Agriculture--Congresses.
<br/><br/><label>LC Class. No.: </label>S599.5.A1  / S87 1995