Floyd, C. N. <br/><br/>
Composting and crop production on volcanic ash soils in the Southern Highlands of Papua New Guinea / 
C. N. Floyd, R. D. B. Lefroy and E. J. D'Souza. 
 - Konedobu :  Dept. of Primary Industry,  1987. 
 - 64p. 
 - AFTSEMU technical report ;  no. 12 .
 - Technical report /  87/6 .
 - Technical report (Papua New Guinea. Dept. of Primary Industry) ;  87/6 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Compost.<br/>Sweet potatoes--Fertilizers.--Papua New Guinea--Southern Highlands Province