Singh,Chhidda Modern Techniques of Raising Field Crops / Chhidda,Singh - New Delhi : Oxford & IBH Com., c1983 [Reprent 2001] - vii,515p. : ill. ; 25cm. Includes Index ISBN: 8120401352 Subjects--Topical Terms: Field crops -- India. Dewey Class. No.: 633 / SIM 2001