Search Results for the EPA National Library Catalog

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Select Item Title Year Published
National irrigation return flow research and development program / 1971
National Irrigation Water Quality Program : data-synthesis reports and fact sheets / 2004
Natural methods of purifying sewage and its utilization in agriculture management = Yestestvennyye metody ochistki stochnykh vod i ikh ispol'zovaniye v sel'skom khozyaysive (sbornik nauchnykh trudov) / 1975
Natural resources and rural development in arid lands : case studies from Sudan / 1985
Natural systems for water pollution control / 1982
Ninth Annual Report, Water Resources Research Center. 1973
Nitrates in groundwater resulting from manure applications to irrigated cropland / 1982
Nitrates in Groundwater Resulting from Manure Applications to Irrigated Croplands. 1982
Nitrogen and irrigation management to reduce return-flow pollution in the Columbia Basin / 1976
Nonpoint sediment production in the Colusa Basin Drainage Area, California 1983
Nonpoint source control guidance : agricultural activities / 1978
North Fremont County wastewater facilities final environmental impact statement / 1976
Northglenn water management program, City of Northglenn, Colorado : final environmental impact statement / 1980
Northglenn water management program, City of Northglenn, Colorado : final environmental impact statement, appendix / 1980
Notes on Sedimentation Activities, Calendar Year 1974. 1974
Nutrient removal from cannery wastes by spray irrigation of grassland / 1969
Nutrient removal from cannery wastes by spray irrigation of grassland / 1969
Nutrients from Tile Drainage Systems. 1971
Nutrients from Tile Drainage Systems. 1971
Occurrence of dissolved sodium in ground waters in basalts underlying the Columbia Plateau, Washington 1986
Occurrence of pesticides in aquatic environment, 1970
Of Men and the River. Stream Pollution and Its Control in the Kansas River Basin. 1951
On-farm improvements to reduce sediment and nutrients in irrigation return flow / 1984
On-farm improvements to reduce sediment and nutrients in irrigation return flow / 1984
On-farm program for salinity control : final report of the Grand Valley salinity study / 1977
On-Farm Salinity Control Investigations for the Grand Valley Area, Plan of Work Outline 1975
Operation and maintenance considerations for land treatment systems / 1982
Operation and maintenance considerations for land treatment systems / 1983
Optimizing crop production through control of water and salinity levels in the soil 1977
Optimizing salinity control strategies for the upper Colorado River Basin / 1982
Organisatorische, okologische und hygienische Probleme der Abwasserlandbehandlung internationales Symposium, 27.-28. September 1979 in Braunschweig / 1980
Overland flow : a decade of progress / 1984
Overland flow in the Louisiana coastal zone : the potential for land treatment of waste water on diked dredge spoil disposal sites in south Louisiana / 1975
Overland Flow Treatment of Domestic Wastewater in Northern Climates Project Summary 1984
Overland flow treatment of domestic wastewater in northern climes 1984
Overland flow treatment of municipal sewage at Easley, SC 1983
Overland flow treatment of municipal wastewater in Florida 1984
Overland flow treatment of raw wastewater with enhanced phosphorus removal / 1976
Overland recycling system for animal waste treatment / 1979
Parameter Selections in Telemetry Systems for Irrigation. 1973
Part I. A Conceptual Model for a Terrestrial Ecosystem Perturbed with Sewage Effluent, with Special Reference to the Michigan State University Water Quality Management Project. Part II. A Personalized Bibliographic Retrieval Package for Resource Scientists. 1973
Pesticide fact sheet : pseudomonas aureofaciens strain Tx-1 / 1999
Pesticide Fact Sheet No. 222: Fenamiphos. 1987
Pesticide Usage and Its Impact on the Aquatic Environment in the Southeast. Pesticide Study Series - 8. 1972
Phreatophytes. A Bibliography, Revised. 1974
Physical, chemical, and biological data for detailed study of irrigation drainage in the Salton Sea area, California, 1988-90 1993
Physical, Chemical, and Microbiological Factors Affecting the Discharge of Water into Drain Tile. 1972
Physiological and Growth Responses of Differentially Irrigated Cotton to Ozone (Journal Version). 1988
Pillar of sand : can the irrigation miracle last? / 1999
Pilot silvicultural biomass farm layout and design comparative energetic and cost assessment of irrigation alternatives at the Savannah River plant / 1979
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