Bartra, J.N. <br/><br/>
Maize cultivation/ 
J.N. Batra and D. Sharma; edited by Parmindar Singh; revised by D. Sharma 
 - Ludhiana:  Punjab Agricultural University,  1968 
 - 92 p.:  ill.;  20 cm. 
 - Farm bulletin  no. 13 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn--Yields<br/>Corn--Vatrieties<br/>Corn--Diseases and pests<br/>Corn--Breeding
<br/><br/><label>Dewey Class. No.: </label>633.17