Whyte, R O  <br/><br/>
Crop production and environment  

 - London:   Faber and Faber Limited,   1946  
 - 372p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Darkness  Crops  
<br/><br/><label>Universal Decimal Class. No.: </label>633.631.5   / H6