Note-book of tropical agriculture  

 - Trinidad:   The Imperial College of Tropical Agriculture,   1950 
 - 147p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Weights  Soils  
<br/><br/><label>Universal Decimal Class. No.: </label>63(213)   / J0