Priorities for alleviating soil-related constraints to food production in the tropics. 

 - Manila, Phillipines :  International Rice Research Institute,  1980. 
 - v, 468 p. :  ill. ;  23 cm. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science.