Yazar
r c eckhardt
2 cilt bulundu.
Cilt sonuçları
The Analysis of lattice and triple lattice experiments in corn varietal tests
Gertrude M. Cox, R. C. Eckhardt, William G. Cochran · Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
66 sayfa · 1940
Block designs / Analysis of covariance / Lattice theory
Dent corn inbreds and hybrids resistant to the corn earworm in the South
W. A. Douglas, R. C. Eckhardt, United States. Department of Agriculture. National Agricultural Library. · U.S. Dept. of Agriculture
13 sayfa · 1957
Corn / Disease and pest resistance / Genetic aspects / Heliothis zea