Search Results for the EPA National Library Catalog

Items Found: 27

Showing: Items 1 - 27

Your Search: (SUBJECT=Soils Nitrogen content.)

 
 
 

Select Item Title Year Published
Behavior of soil organic nitrogen 1968
Compilation of a global inventory of emmissions of nitrous oxide / 1995
Control of nitrogen transformations in soils completion report / 1974
Denitrification as affected by irrigation frequency of a field soil / 1980
Deterministic and stochastic evaluation of nitrate-nitrogen leaching from soils with dual pore systems in karst regions final report / 1991
Effects of tillage and nitrogen fertilization on nitrogen losses from soils used for corn production 1990
Emissionen von N2O, NO und NO2 aus Boden zweier Fichtenstandorte im Schwarzwald 1994
Ground water and soil nitrate one year after cultivation in Hailstone Basin near Rapelje, Montana 1977
Nitrate and other water-quality characteristics, and nitrogen in the unsaturated zone, in the Red Willow and Hitchcock counties special protection area, southwest Nebraska, 1993-95 1998
Nitrate removal from water at the water-mud interface in wetlands / 1976
Nitrogen and irrigation management to reduce return-flow pollution in the Columbia Basin / 1976
Nitrogen behavior in field soil 1978
Nitrogen in organic wastes applied to soils 1989
Nitrogen in the environment / 1978
Nitrogen in the subsurface environment / 1975
Nitrogen in the subsurface environment / 1975
Nitrogen loadings from agricultural activities in the Great Lakes Basin : integration report on nitrogen agricultural watershed studies / 1978
Nitrogen losses from sprinkler-applied nitrogen fertilizer technical completion report / 1978
Nitrogen movement in tile-drained clay and sandy agricultural watersheds : final report on project 13, agricultural watershed studies / 1977
Proceedings, National Conference on Management of Nitrogen in Irrigated Agriculture / 1978
Simulation of nitrogen movement, transformation, and uptake in plant root zone / 1978
Soil development and nitrates in minesoil / 1979
Soil nitrogen, 1965
Soil organic matter studies : proceedings of a symposium on soil organic matter studies jointly organized by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations, in co-operation with Agrochimica, and held in Braunschweig, 6-10 September 1976. 1977
Soil-plant-nitrogen relationships / 1978
The role of nitrogen in the acidification of soils and surface waters / 1989
Water quality of aquifers as affected by movement of fertilizer nutrients under irrigation 1979

Save, Print or Email Selected Records