Govinda Rajan, Salem Venkatappa. <br/><br/>
Soil & crop productivity:  a handbook for the use of workers in agricultural extension, vocational agriculture and farmers in India 
[by] S. V. Govinda Rajan [and] H. G. Gopala Rao. 
 - New York,bAsia Pub. House  [c1971] 
 - vii, 313 p.  illus., maps (part fold.)  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0210271000 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--India.<br/>Soil science.
<br/><br/><label>LC Class. No.: </label>S599.6.I5  / G69 1971