Search Data.gov
Found 2644 dataset(s) matching "NITROGEN".
-
These data have been collected as part of a cooperative project between the U.S. Geological Survey (USGS) and the U.S Environmental Protection Agency. This project began in 2016 and consisted of a...
-
<p dir="ltr">Long-term deployment of dryland cropping systems can alter soil chemical properties in ways that lead to lower soil fertility. Few long-term experiments have investigated cropping...
-
This dataset encompasses a re-analysis of data from Horn et al. (2018) to determine regional tree growth and survival response to nitrogen and sulfur deposition across the United States. Tree...
-
Atmospheric deposition of reactive nitrogen (Nr) due to human activities can have measurable effects on ecosystem processing and export of nutrients, groundwater and surface-water quality. Rates...
-
<p dir="ltr">These data come from a roughly 4-year study on the growth response of a highly invasive woody plant to the damage induced by its biological control agent (an insect) and to soil...
-
<p dir="ltr">Use of perennial forages in cropping systems can improve soil quality. The length of time needed to accrue improvements in soil condition under perennial forages is unclear,...
-
Data from the NASA Rodent Research-1 (RR-1) mission showed that gene-expression levels in mouse livers are different depending on what tissue preservation protocol is used and that slow freezing...
-
Data from the NASA Rodent Research-1 (RR-1) mission showed that gene-expression levels in mouse livers are different depending on what tissue preservation protocol is used and that slow freezing...
-
This dataset describes (a) concentrations of nutrients and related constituents, and (b) discharge in the lower Boise River (Idaho) and its primary tributaries for Water Years 1994 through 2023...
-
Data from the NASA Rodent Research-1 (RR-1) mission showed that gene-expression levels in mouse livers are different depending on what tissue preservation protocol is used and that slow freezing...
-
<p>This dataset includes soil health, crop biomass, and crop yield data for a 13-year corn stover harvest trial in central Iowa. </p> <p>Following the release in 2005 of the Billion Ton Study...
-
Particulate samples were collected from a fish hatchery in Puyallup, Washington, September 18 – 20, 2023 during late summer, low-flow conditions in the intake creek. Settled solids were collected...
-
Bulk organic geochemistry data were determined on one to five cm subsamples of sediment push cores collected from the Escanaba Trough during May to June 2022. These data include percent total...
