Crop rotations and soil productivity /
L.E. Thatcher and C.J. Willard.
APA Citation
Thatcher, L. E. (Lloyd Evans)., Willard, C. J. (Charles Julius). (1962). Crop rotations and soil productivity. Wooster, Ohio: Ohio Agricultural Experiment Station.
MLA Citation
Thatcher, L. E. (Lloyd Evans), and C. J. (Charles Julius) Willard. Crop Rotations And Soil Productivity. Wooster, Ohio: Ohio Agricultural Experiment Station, 1962.
Warning: These citations may not always be complete (especially for serials).