C.J. Pearson <br/><br/>
Control of crop productivity 

 - Sydney  Academic Press  1984 
 - 315p 
<br/><br/>C.J. Pearson: Control of crop productivity.  Sydney.  Academic Press, 1984. 0 12548280-9--(633PEA)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0 12548280-9 
<br/><br/><label>Dewey Class. No.: </label>633  / PEA