Yazar
Amer Benjamin Nystrom
6 cilt bulundu.
Cilt sonuçları
Dairy herd records, their value, and how to keep them
Amer Benjamin Nystrom · Washington Agricultural Experiment Station
15 sayfa · 1915
Dairy cattle / Performance records
Feeding dairy cows in Washington
Amer Benjamin Nystrom · Washington Agricultural Experiment Station
24 sayfa · 1915
Feeding and feeds / Dairy cattle
Feeding dairy cows
T. E. Woodward, Amer Benjamin Nystrom · U.S. Dept. of Agriculture
18 sayfa · 1930
Dairy cattle / Feeding and feeds