Breeding crop plants /
Hayes, Herbert Kendall, b. 1884.
Breeding crop plants / by Herbert Kendall Hayes and Ralph John Ga rber. - 2nd ed. - New York : McGraw-Hill, 1927. - xvii, 438 p. : ill., diagrs. ; 24 cm. - McGraw-Hill publications in the agricultural and botanical sciences. E.W. Sinnott, Consulting Editor .
Plant breeding.
631.522
Breeding crop plants / by Herbert Kendall Hayes and Ralph John Ga rber. - 2nd ed. - New York : McGraw-Hill, 1927. - xvii, 438 p. : ill., diagrs. ; 24 cm. - McGraw-Hill publications in the agricultural and botanical sciences. E.W. Sinnott, Consulting Editor .
Plant breeding.
631.522