Field crop production on organic farms in the Midwest [Comparison with conventional farms, yields, returns, soils, USA]
Lockeretz, W.
Field crop production on organic farms in the Midwest [Comparison with conventional farms, yields, returns, soils, USA] - 1978 - Printed
English
Farm organization and management
Plant production
USA
78-329521
Field crop production on organic farms in the Midwest [Comparison with conventional farms, yields, returns, soils, USA] - 1978 - Printed
English
Farm organization and management
Plant production
USA
78-329521