Manual on conservation of soil and water / 
s.n. 
 -  Oxford & IBH Publishing Co., New Delhi,  1969 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science; Agriculture
<br/><br/><label>Dewey Class. No.: </label>631.4 MAN