Gupta U S Ed. <br/><br/>
Physiological aspects of cropnutrition and resista 
Gupta U S Ed. 
 - Delhi  Atma Ram India          1977 
 - viii, 383p. Bib chapterwise  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J:24), L7