Grewal, J.S <br/><br/>
Potassium and ammonium fixation in Indian soils 

 - New Delhi  ICAR  1976 
 - 75 p. 
<br/><br/><label>ISBN: </label>NULL 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOIL CHEMISTRY<br/>Soil science
<br/><br/><label>Dewey Class. No.: </label>631.410954  / GRE