Singh, K. N. [et. al.] <br/><br/>
Prescription of optimum doses of fertilizers for targeted yields of crops through soil fertility maps in different states of India. 
K. N. Singh [et. al.] 
 - Bhopal  Indian Institute of Soil Science (IISS)  2007 
 - 18p. 
 - Technology Bulletin No. IISS/GIS/01 .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>LA
<br/><br/><label>Dewey Class. No.: </label>631.422  / PRE