Ahmed, Osumanu Haruna,   Prof. Madya, Dr. <br/><br/>
BIOCHAR and MINERAL ACID SOIL PHOSPHORUS AVAILABILITY / 
Ahmed Osumanu Haruna, Audrey Asap, Ali Maru. 
 - vii, 172 pages :  illustrations, charts ;  24 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789673449200  RM 54.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biochar.<br/>Phosphorus.<br/>Government publications--Malaysia.
<br/><br/><label>Dewey Class. No.: </label>333.9539