Wilson, Harold K.
Grain crops / Harold K. Wilson. - 1st ed. - New York : McGraw-Hill, c 1948. - xi, 384 p. : ill. ; 24 cm. - McGraw-Hill publications in the agricultural sciences. .
Includes index.
319 319
Grain--United States.
633 / W691g
Grain crops / Harold K. Wilson. - 1st ed. - New York : McGraw-Hill, c 1948. - xi, 384 p. : ill. ; 24 cm. - McGraw-Hill publications in the agricultural sciences. .
Includes index.
319 319
Grain--United States.
633 / W691g