Crop production : principles and practices /
Chapman, Stephen R. 
Crop production : principles and practices / Stephen R. Chapman and Lark P. Carter. - Delhi, India : Surjeet Publications. 1976. - 566 p. : ill. ; 24 cm.
Includes bibliographies and index.
Field crops.
Field crops---North America.
633 / CHC
                        Crop production : principles and practices / Stephen R. Chapman and Lark P. Carter. - Delhi, India : Surjeet Publications. 1976. - 566 p. : ill. ; 24 cm.
Includes bibliographies and index.
Field crops.
Field crops---North America.
633 / CHC
