A study of some effects of seven systems of farming upon crop yields and soil structure /
by Lynn S. Robertson.

Description

Main Author

Robertson, Lynn Shelby, 1916-

Language(s)

English

Published

1955.

Subjects

Soils > Soils / Research.
Crop rotation.
Crop yields.

Physical Description

8 unnumbered pages, 84 leaves : illustrations ; 29 cm

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