CRC handbook of agricultural productivity / 
Miloslav Rechcig. 
 - Boca Raton, Fla. :  CRC Press,  c1982. 
 - 2 v. 
 - CRC series in nutrition and food .
<br/><br/>Vol.1 Plant productivity -- v.2. Animal productivity. 
<br/><br/>
<br/><br/><label>ISBN: </label>084933960X (set) 0849339618 (v. 1) 0849339634 (v. 2) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural productivity<br/>Agriculture.
<br/><br/><label>LC Class. No.: </label>S494.5.P75  / C16 
<br/><br/><label>Dewey Class. No.: </label>631.5