Handbook of agricultural productivity, vol. 1: Plant productivity  (Book) 

 - Boca Raton, Florida  CRC Press  1982 
 - 468 p.  26 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural productivity Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>612.39:613.2 HAN  / 12484