Control of crop productivity / 
edited by C.J. Pearson. 
 - United States ed. 
 - Sydney, Australia ;  Orlando, Fla. :  Academic Press,  1984. 
 - xvii, 315 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0125482809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop yields.<br/>Agricultural productivity.<br/>Crops--Physiology.
<br/><br/><label>LC Class. No.: </label>SB91  / .C76 1984