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1. Cotton improvement under weevil conditions

Author:
Cook, O. F. (Orator Fuller) , 1867-1949
Subject:
Boll weevil , Cotton , disease and pest management , plant pests , cultural control , plant breeding , genetic resources , varieties , pest resistance , planting date , pest control
Physical description:
22 p. ; 23 cm.
Additional Author(s):
Cook, O. F. (Orator Fuller) , 1867-1949
Collection:
Organic Roots Collection
Series:
Farmers' bulletin

2. The what and how of hybrid corn

Author:
Richey, Frederick D. (Frederick David) , 1884-
Subject:
Hybrid corn , hybridization , genetic resources , hybrids , plant breeding , agronomic traits , seed collecting , seed crop production , crossing
Physical description:
ii, 14 p. : ill. ; 23 cm.
Additional Author(s):
Richey, Frederick D. (Frederick David) , 1884-
Collection:
Organic Roots Collection
Series:
Farmers' bulletin