Yazar
harry j eby
3 cilt bulundu.
Cilt sonuçları
Manure disposal lagoons
Harry J. Eby · Agricultural Research Service, U.S. Department of Agriculture
12 sayfa · 1963
Manures / Sewage disposal / Lagoons
Disposal of poultry manure and other waste
Harry J. Eby · U.S. Dept. of Agriculture, Agricultural Research Service
10 sayfa · 1964
Poultry industry / Waste disposal / Poultry / Manure / Handling
Periodicity of the blue-green algae and their effect on the efficiency of manure-disposal lagoons
Harry J. Eby · Agricultural Research Service, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1972
Cyanobacteria / Biological treatment / Sewage lagoons / Sewage / Purification