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

 - International Rice Research Institute  Philippines  1980 
 - 468p.  fig., table, chart, ill. 
<br/><br/><label>Nat. Bib. No.: </label>5714 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.42  / PRO