Hartemink, Alfred H. <br/><br/>
Soil fertility decline and fallow effects in ferralsols and acrisols of sisal plantations in Tanzania / 
Alfred H. Hartemink, J.F. Osborne, Ph.A. Kips. 
 - Wageningen :  ISRIC,  1995. 
 - 12 p. 
 - Working paper and preprint (International Soil Reference and Information Centre) :  95/05 .
<br/><br/> "Submitted for publication in Experimental Agriculture."--title page. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science.<br/>Sisal industry--Tanzania.<br/>Soil fertility--Research--Tanzania.