Data from: Soil Water Holding Capacity Mitigates Downside Risk and Volatility in US Rainfed Maize: Time to Invest in Soil Organic Matter?

This dataset includes county-level annual data on maize (Zea mays L.) yield, soil physical and chemical characteristics, and mean weather data for 2000 through 2014 for IL, MI, MN and PA. The data were aggregated from public databases, including NASS Quick Stats (https://quickstats.nass.usda.gov/), NOAA Climate Data Online (https://www.ncdc.noaa.gov/cdo-web/) and the USDA-NRCS Web Soil Survey (http://websoilsurvey.sc.egov.usda.gov/App/HomePage.htm). U.S. counties were the experimental unit for this study, and all data are county-level averages. Covariances among county-level maize yield stability and environmental variability were analyzed using structural equation models (SEM) and linear mixed effects (LME) models.

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Field	Value
Tags	climate resilient agriculture maize yield stability structural equation modeling Risk Natural Resources Conservation Service data collection Climate Corn Belt region physicochemical properties meteorological data EARTH SCIENCE > AGRICULTURE > SOILS > SOIL WATER HOLDING CAPACITY crop yield soil organic matter
Modified	2023-03-20
Release Date	2016-07-26
Frequency	Annually
Identifier	146eb11e-af8c-44ae-a4fa-e23b8252b1d1
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Publisher	Ag Data Commons
Spatial / Geographical Coverage Location	Counties of Illinois, Michigan, Minnesota and Pennsylvania
Temporal Coverage	January 1, 2000 to December 31, 2014
License	U.S. Public Domain
Data Dictionary	https://data.nal.usda.gov/dataset/data-soil-water-holding-capacity-mitig...
Contact Name	Davis, Adam
Contact Email	adam.davis@ars.usda.gov
Public Access Level	Public

Extended Metadata:

Field	Value
Authors	Davis, Adam S. (ORCID)
Peer Reviewed	No
Intended Use	These data were aggregated with the intent to study the relative contributions of different soil chemical and physical properties to county-level maize yield stability in four U.S. states: IL, MI, MN and PA.
Funding Sources	National Institute of Food and Agriculture 2011-6703-30343
Primary Article	Williams, A., Hunter, M. C., Kammerer, M., Kane, D. A., Jordan, N. R., Mortensen, D. A., Smith, R. G., Snapp, S., & Davis, A. S. (2016). Soil Water Holding Capacity Mitigates Downside Risk and Volatility in US Rainfed Maize: Time to Invest in Soil Organic Matter?. PLOS ONE, 11(8), e0160974. https://doi.org/10.1371/journal.pone.0160974
Method Citation	R Development Core Team (2015) R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. https://www.R-project.org/
Dataset DOI (digital object identifier)	10.15482/USDA.ADC/1272265
Cites Other Datasets	NASS Quick Stats NOAA Climate Data Online USDA-NRCS Web Soil Survey

Field	Value
OSTI Identifier
ISO Topic(s)	climatologyMeteorologyAtmosphere environment farming
State or Territory	Illinois Michigan Minnesota Pennsylvania
National Agricultural Library Thesaurus Term	corn crops databases hydrologic models models soil surveys soil water retention Zea mays
Ag Data Commons Keywords	Agroecosystems & Environment Soil Physical properties Plants & Crops Crop production Agroecosystems & Environment Soil Plants & Crops

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