Rajendra Singh <br/><br/>
Problems and prospects of utilization of power-tillers in rice-growing belts of North Bihar 

 -  1987 
 - 94p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TILLAGE<br/>RICE - IMPLEMENTS AND MACHINERY<br/>AGRICULTURAL INNOVATIONS - BIHAR
<br/><br/><label>Dewey Class. No.: </label>RR.015;