Yazar
whit o slay
8 cilt bulundu.
Whit O. Slay · Agricultural Research Service, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1976
Agriculture
Whit. O. Slay · U.S. Dept. of Agriculture, Agricultural Research Service, Southern Region
13 sayfa · 1973
Peanuts / Handling / Agriculture
Whit O. Slay · Agricultural Research (Southern Region), Science and Education Administration, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1980
Peanuts / Storage / Field crops / Food storage
Whit O. Slay · U.S. Dept. of Agriculture, Agricultural Marketing Service, Transportation and Facilities Research Division
29 sayfa · 1961
Processing / Drying / Rice / Machinery / Transportation
Whit O. Slay · U.S. Dept. of Agriculture, Agricultural Research Service, Southern Region
11 sayfa · 1978
Peanuts / Scales (Weighing instruments) / Sampling
Whit O. Slay · Agricultural Research Service, U.S. Dept. of Agriculture
40 sayfa · 1965
Loading and unloading / Handling / Sorghum / Grain elevators