Yazar
North Carolina Agricultural Research Service
3 cilt bulundu.
Cilt sonuçları
A guide to the identification and biology of soybean arthropods in North Carolina
North Carolina Agricultural Research Service. · North Carolina Agricultural Research Service
264 sayfa · 1980
Arthropod pests / Diseases and pests / Insect pests / Soybean
Soil survey, Clay County, North Carolina
Samuel Oscar Perkins, E. F. Goldston, William Gettys, United States. Bureau of Plant Industry, North Carolina. Department of Agriculture, North Carolina Agricultural Research Service · For Sale by the Supt. of Docs.
52 sayfa · 1941
Soil surveys / Soils / Maps
Soil survey, Yancey County, North Carolina
Samuel Oscar Perkins, William Gettys, United States. Bureau of Plant Industry, Soils, and Agricultural Engineering, North Carolina Agricultural Research Service, Tennessee Valley Authority · The Bureau
85 sayfa · 1952
Soil surveys / Soils / Maps