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Found 192 dataset(s) matching "Nitrogen fertilization".
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The Nitrogen Fertilizer Application data set of the Global Fertilizer and Manure, Version 1 Data Collection represents the amount of nitrogen fertilizer nutrients applied to croplands. The...
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This dataset contains catchment-level estimates of nitrogen and phosphorus fertilizer use, for agricultural lands, for the conterminous U.S., for 2012. An approach was developed to relate farm...
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This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1985 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West...
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This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1988 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West...
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This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1991 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West...
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This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1989 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West...
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This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1990 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West...
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This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1987 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West...
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This coverage contains estimates of nitrogen-fertilizer sales for the conterminous United States in 1986 as reported by the U.S. Environmental Protection Agency (1990) and by Jerald Fletcher (West...
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This dataset includes all of the variables that were used in predictive models to estimate nitrogen and phosphorus fertilizer use from commercial fertilizer sales data at the catchment/county...
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Amounts of fertilizer nitrogen (N) purchased by states in individual years 2003, 2005, 2007, 2009 and 2011, and the % change in average amounts purchased per year from 2002-2006 to 2007-2011....
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This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of fertilizer nitrogen that was applied to nonfarm land in the Pacific Northwest region of the...
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This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of fertilizer nitrogen that was applied to farm land in the Pacific Northwest region of the United...
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This data set represents the estimated amount of phosphorus and nitrogen fertilizers applied to selected crops for the year 2002, compiled for every catchment of NHDPlus for the conterminous...
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This tabular data set represents the estimated amount of phosphorus and nitrogen fertilizers applied to selected crops for the year 2002, compiled for every MRB_E2RF1 catchment of Major River...
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<p dir="ltr">Understanding long-term management effects on soil properties is necessary to determine the sustainability of cropping systems. Documentation of soil property responses to corn-based...
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This tabular data set represents estimated loads of nitrogen and phosphorous from fertilizer and manure applied on agricultural land for the year 2012 compiled for two spatial components of the...
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This data set represents the estimated amount of nitrogen and phosphorus in kilograms for the year 2002, compiled for every catchment of NHDPlus for the conterminous United States. The source...
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This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer applications and from manure...
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This dataset contains four tables of estimates of the yearly sum of nitrogen and phosphorus inputs from fertilizer applications and from manure applications in selected watersheds in Chesapeake...
