Crop production /
Delorit, Richard J. 1921-
Crop production / Richard J. Delorit, Louis J. Greub, Henry L. Ahlgren - 4th ed. - Englewood Cliffs, N. J. : Prentice-Hall , 1974 - 744 p. : ill. ; 24 cm . - Prentice-Hall vocational agriculture series .
Includes references and index
0131947613
Field crops
Crop production / Richard J. Delorit, Louis J. Greub, Henry L. Ahlgren - 4th ed. - Englewood Cliffs, N. J. : Prentice-Hall , 1974 - 744 p. : ill. ; 24 cm . - Prentice-Hall vocational agriculture series .
Includes references and index
0131947613
Field crops