Van Straaten, Peter <br/><br/>
Rocks for crops :  agrominerals of sub-Saharan Africa / 
 Agrominerals of sub-Saharan Africa 
Peter van Straaten. 
 - Nairobi, Kenya :  Guelph, Canada :  ICRAF ;  University of Guelph,  c2002. 
 - x, 338 p. :  ill., maps ;  28 cm. 
<br/><br/> CONTENTS<br/><br/>PART 1: ROCKS FOR CROPS<br/>Introduction<br/>agro minerals and farming<br/>agro geology, an emerging trans-disciplinary science<br/>Enhancing soil productivity with agrominerals<br/>Agrominerals in greenhouses and plant nurseries<br/>Agrominerals and rocks for forestry, plantation crops and pasture<br/>Agrominerals and rocks in agroforestry systems<br/>Small-scale mining and processing of agrominerals<br/>Environmental aspects and concern<br/><br/>PART 2: AGROMINERALS OF SUB-SAHARAN AFRICA<br/>Teems and definitions 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0889555125 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility--Africa, Sub-Saharan.<br/>Phosphatic fertilizers--Africa, Sub-Saharan.<br/>Phosphate rock--Africa, Sub-Saharan.<br/>Minerals in agriculture--Africa, Sub-Saharan.<br/>Soil management--Africa, Sub-Saharan.<br/>Fertilizantes fosfatados.<br/>Fertilidade do solo.<br/>Manejo do solo.<br/>Mineralogia do solo.
<br/><br/><label>Dewey Class. No.: </label>549.9  / VAN