U.S. flag

An official website of the United States government

NALDC

Main content area

MLA

Duley, F. L. (Frank Leslie). "Estimating the Amount of Crop Residue On a Field." , p.. Print

APA

Duley, F. L. (Frank Leslie). (1958). Estimating the amount of crop residue on a field.

Chicago

Duley, F. L. (Frank Leslie) "Estimating the amount of crop residue on a field" (0000): p..