Fergus, E. N. 1892-
Field crops management [by] E. N. Fergus [and] Carsie Hammonds; ed. by R. W. Gregory. - Rev. - Philadelphia, J.B. Lippincott Co. [1949] - vii, 600 p. illus., maps. 22 cm. - Agricultural management series .
"References" at end of most of the chapters.
agr49000028
Agriculture--United States.
Field crops.
SB185 / .F4 1949
631.5 / FEF
Field crops management [by] E. N. Fergus [and] Carsie Hammonds; ed. by R. W. Gregory. - Rev. - Philadelphia, J.B. Lippincott Co. [1949] - vii, 600 p. illus., maps. 22 cm. - Agricultural management series .
"References" at end of most of the chapters.
agr49000028
Agriculture--United States.
Field crops.
SB185 / .F4 1949
631.5 / FEF