Nitrogen balance in small river basins under agricultural and forestry use[J] . V. N. Kudeyarov,V. N. Bashkin.Water, Air, and Soil Pollution . 1980 (1)
Nitrogen balance in small river basins under agricultural and forestry use[J] . V. N. Kudeyarov,V. N. Bashkin.Water, Air, and Soil Pollution . 1980 (1)