Found 32 datasets matching "Fertilizer, nitrogen, phosphorus".
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This data set contains county-level estimates of nitrogen and phosphorus from fertilizer, for both farm and nonfarm uses, for the conterminous United States, for 1987 through 2006. State-level...
Search relevance: 285.05 | Views last month: 0 -
This data set contains county-level estimates of nitrogen and phosphorus from fertilizer, for both farm and nonfarm uses, for the conterminous United States, for 1987 through 2012. State-level...
Search relevance: 277.57 | Views last month: 0 -
This product provides tabular estimates of kilograms of nitrogen and phosphorus from a) fertilizer, and b) manure, for counties in the conterminous United States for the period 1950-2017. Data are...
Search relevance: 252.04 | Views last month: 0 -
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...
Search relevance: 233.63 | Views last month: 0 -
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...
Search relevance: 232.06 | Views last month: 17 -
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...
Search relevance: 222.41 | Views last month: 0 -
This dataset contains tables of estimated fertilizer and manure nutrient inputs in kilograms to individual stream catchments of the continental United States from the National Hydrography Dataset...
Search relevance: 217.31 | Views last month: 0 -
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...
Search relevance: 205.75 | Views last month: 0 -
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...
Search relevance: 160.18 | Views last month: 0 -
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...
Search relevance: 134.96 | Views last month: 0 -
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of fertilizer nitrogen and phosphorus that was applied to farm and nonfarm land in the Pacific...
Search relevance: 134.50 | Views last month: 0 -
This product consists of time-series calculations of anthropogenic characteristics derived for 16 data themes for multiple scales covering the conterminous United States. The characteristics are...
Search relevance: 106.35 | Views last month: 1 -
The Phosphorus Fertilizer Application data set of the Global Fertilizer and Manure, Version 1 Data Collection represents the amount of phosphorus fertilizer nutrients applied to croplands. The...
Search relevance: 96.41 | Views last month: 2 -
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...
Search relevance: 95.71 | Views last month: 0 -
This dataset consists of input and output datasets for estimating nitrogen and phosphorus balances for the Mississippi River Basin from 1950 to 2017. The N balance was calculated as the difference...
Search relevance: 85.32 | Views last month: 0 -
This dataset consists of input and output datasets for estimating nitrogen (N) and phosphorus (P) balances for the Mississippi River Basin from 1950 to 2017. The N balance was calculated as the...
Search relevance: 83.10 | Views last month: 0 -
SRM 194a Ammonium Dihydrogen Phosphate - This Standard Reference Material (SRM) is a highly purified and homogeneous lot of crystalline ammonium dihydrogen phosphate (NH4H2PO4). It is intended...
Search relevance: 79.00 | Views last month: 0 -
This metadata record covers 18 comma delimited files that support the USGS Scientific Investigations Report Manure and Fertilizer Inputs to Land in the Chesapeake Bay Watershed, 1950-2014 by...
Search relevance: 67.88 | Views last month: 0 -
The detrimental effects of excess nutrients and sediment entering the Chesapeake Bay estuary from its watersheds have necessitated regulatory actions. Federally-mandated reductions are apportioned...
Search relevance: 66.41 | Views last month: 0
