CRC Handbook of agricultural productivity 

 - Boca Raton, Florida :  CRC Press,  1982 
 - 2 v.  : gráfs. 
 - CRS Series in nutrition and food .
 - CRS Series in nutrition and food .
<br/><br/>Contenido: v.1 Plant productivity. -- v.2 Animal productivity 
<br/><br/><label>LCCN: </label>31562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animales domesticos--Efecto del medio ambiente.<br/>Cultivos--Rendimiento.<br/>Ecología animal.
<br/><br/><label>Dewey Class. No.: </label>633  / C7