Relation of drought to weevil resistance in cotton.
Cook, O. F. 1867-1949.
Relation of drought to weevil resistance in cotton. By O.F. Cook ... - Washington, Govt. Print. Off., 1911. - 30 p. 23 cm. - United States. Dept. of Agriculture. Bureau of Plant Industry. Bulletin no. 220 . - Bulletin (United States. Bureau of Plant Industry) ; no. 220. .
agr11001500
Boll weevil.
Droughts.
QK1 / .U45 no. 220
1 / P69B no.220
Relation of drought to weevil resistance in cotton. By O.F. Cook ... - Washington, Govt. Print. Off., 1911. - 30 p. 23 cm. - United States. Dept. of Agriculture. Bureau of Plant Industry. Bulletin no. 220 . - Bulletin (United States. Bureau of Plant Industry) ; no. 220. .
agr11001500
Boll weevil.
Droughts.
QK1 / .U45 no. 220
1 / P69B no.220