Biological pest control for field crops :  summaries of Papers presented at the International seminar on biological control of pests for field crops / 
compiled by Keio Aizawa 
 - Taipei City;China :  Food & Fertilizer Technology Center,  1987. 
 - 87 p. 
 - Extension bulletin;  no.257 .
 - Extension bulletin (Asian and Pacific Council.Food & Fertilizer Technology Center);  no.257 .
<br/><br/><label>LCCN: </label>44041244  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops--Pest control.<br/>Pests--Biological control