Yazar
nels r benson
2 cilt bulundu.
Cilt sonuçları
Efficacy, leaching, and persistence of herbicides in apple orchards
Nels R. Benson · Washington State University, College of Agriculture Research Center
Sayfa sayısı yok · 1978
Weed control / Herbicides / Apples
Soil fertility conditions in the apple orchards of north central Washington
Nels R. Benson · State College of Washington, Agricultural Experiment Station
19 sayfa · 1951
Apples / Soils / Fertilizers / Soil fertility