methodology for on-farm cropping systems research
By: H.G. Zandstra ... [et al.].
Contributors: Zandstra, Hubert G.
Publisher: The International Rice Research Institute
Published: 1981
Place of publication: Los Baños, Laguna, Philippines
Language: eng
Number of pages: 147
Subjects: Cropping systems -- Research.; Crop rotation -- Research.
Notes: Includes glossary.

Includes bibliographies.