Principles of ecology in plant production/ 
editied by T.R.Sinclair and F.P.Gardner 
 - Oxon   Cab international   1998 
 - ix,189p.:  ill.;Pbk 
<br/><br/><label>ISBN: </label>085199220X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop ecology 
<br/><br/><label>LC Class. No.: </label>SB91.P87  / 1998