Search Results for the EPA National Library Catalog

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Showing: Items 201 - 250
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Select Item Title Year Published
Ecological monitoring of genetically modified crops : a workshop summary / 2001
Ecological Studies and Mathematical Modeling of 'Cladophora' in Lake Huron: 6. Seasonal and Spatial Variation in Growth Kinetics. 1982
Ecological Studies and Mathematical Modeling of 'Cladophora' in Lake Huron: 7. Model Verification and System Response. 1982
Economic Analysis of Erosion and Sedimentation, Seven Mile Creek Southwest Branch Watershed. 1974
Economic Analysis of Erosion and Sedimentation: Upper Embarras River Basin. 1975
Economic and Physical Impacts on Individual Farm Management Units Under Alternative Management Scenarios in the Blue Creek Watershed, Pike County, Illinois. 1982
Economic consequences of restricting the use of organochlorine insecticides on cotton, corn, peanuts, and tobacco 1970
Economic Evaluation of the Effect of Selected Crop Practices on Nonagricultural Uses of Water. 1974
Economic Impact of Air Pollutants on Plants in the United States. 1971
Economic Implications of Biological Control of Arundo donax in the Texas Rio Grande Basin. 2009
Economics of Biological Assessment. 1982
Ecosystem Responses to Alternative Pesticides in the Terrestrial Environment: A System Approach. 1983
Effect of Added Water and Acidity of Simulated Rain on Growth of Field-Grown Radish. 1982
Effect of Aerosolization on Subsequent Bacterial Survival. 1992
Effect of land disposal applications of municipal wastes on crop yields and heavy metal uptake / 1977
Effect of simulated mixed-acid rain on yield and quality of bush bean / 1979
Effect of Simulated Sulfuric Acid Rain on Yield, Growth, and Foliar Injury of Several Crops. 1980
Effectiveness of agricultural and silvicultural nonpoint source controls : final report / 1988
Effects of Acid Precipitation on Plant Diseases. 1984
Effects of Acid Precipitation. 1979
Effects of Acid Rain on Fruit Crops. 1985
Effects of Acid Rain on Grapevines. 1983
Effects of Air Pollutants on Plant Productivity. 1981
Effects of Atrazine on Periphyton Communities in Controlled Laboratory Ecosystems. 1985
Effects of Daily Ozone Exposure Duration and Concentration Fluctuation on Yield of Tobacco. 1987
Effects of Open-Top Chambers on 'Valencia' Orange Trees. 1992
Effects of Ozone and Sulfur Dioxide on Yield of Red Clover and Timothy. 1988
Effects of ozone and water stress on net photosynthetic rate of field grown soybean leaves / 1988
Effects of Ozone on Crops. 1991
Effects of Ozone on Plants in the United States. 1984
Effects of pollutants on submarine plant synecology / 1977
Effects of Sewage Sludge on Di- (2-Ethylhexyl) Phthalate Uptake by Plants. 1989
Effects of sewage sludge on the cadmium and zinc content of crops / 1980
Effects of sewage sludge on the cadmium and zinc content of crops / 1981
Effects of Simulated Acid Rain on Yield Response of Two Soybean Cultivars. 1987
Effects of Simulated Acidic Rain on Yields of 'Raphanus sativus', 'Lactuca sativa', 'Triticum aestivum' and 'Medicago sativa'. 1982
Effects of Sulfur Oxides in the Atmosphere on Vegetation; Revised Chapter 5 for 'Air Quality Criteria for Sulfur Oxides'. 1973
Effects of tillage and nitrogen fertilization on nitrogen losses from soils used for corn production 1990
Effects of Trends in Tillage Practices on Erosion and Carbon Content of Soils in the U.S. Corn Belt. 1993
Effects of Ultraviolet-B Radiation on Terrestrial Plants and Marine Organisms. 1989
Effects of Ultraviolet-B Radiation on the Growth and Yield of Crop Plants. 1983
Effects of using sewage sludge on agricultural and disturbed lands / 1983
Effects of UV-B Radiation on Soybean Yield and Seed Quality: A Six-Year Field Study. 1990
Efficacy of Ozone Exposure Indices in the Standard Setting Process. 1990
Elemental composition of corn grains, soybean seeds, pasture grasses, and associated soils from selected areas in Missouri a study of geochemical variation between four vegetation-type areas as indicated by analyses of cultivated plants and soils / 1976
Elements in Major Raw Agricultural Crops in the United States. 1. Cadmium and Lead in Lettuce, Peanuts, Soybeans, Sweet Corn, and Wheat. 1983
Elements in Major Raw Agricultural Crops in the United States. 2. Other Elements in Lettuce, Peanuts, Potatoes, Soybeans, Sweet Corn, and Wheat (Journal Version). 1983
Elements in Major Raw Agricultural Crops in the United States. 3. Cadmium, Lead, and Eleven Other Elements in Carrots, Field Corn, Onions, Rice, Spinach, and Tomatoes (Journal Version). 1985
Emergency exemptions under section 18 of the federal insecticide fungicide and rodenticide act. 1992
Emerging biofuels : outlook of effects on U.S. grain, oilseed, and livestock markets / 2007
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