Gill, Dan William <br/><br/>
Response of upland crops to potassium at three levels of aluminium saturation in the humid tropics of West Sumatra / 
Dan William Gill 
 - 2 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.) - North Carolina State University, 1988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Upland rice--Indonesia.