Singh R. P. <br/><br/>
Proaceedings    Sustainable agriculture  
Singh R. P. 
 - Delhi  Indian Society of Agronomy India     1997 
 - 491p.  cm. 
 -  V1 .
<br/><br/><label>Standard No.: </label>87184 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industry
<br/><br/><label>Dewey Class. No.: </label>"X9(J).192,N9, N0.1"