Bourke, R. Michael. <br/><br/>
Crop micronutrient deficiencies in Papua New Guinea / 
by R. Michael Bourke. 
 - Kainantu :  Dept. of Primary Industry,  1983. 
 - 7p. 
 - Technical report ;  83/3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops--Nutrition.--Papua New Guinea<br/>Plants, Effect of trace elements on.