Search Results - "HATFIELD, J. L"
-
1
Climate Impacts on Agriculture: Implications for Crop Production
Published in Agronomy journal (01-03-2011)“…Changes in temperature, CO2, and precipitation under the scenarios of climate change for the next 30 yr present a challenge to crop production. This review…”
Get full text
Journal Article -
2
Dynamics of Plant Root Growth under Increased Atmospheric Carbon Dioxide
Published in Agronomy journal (01-05-2013)“…Plant growth is influenced by above‐ and belowground environmental conditions and increasing atmospheric carbon dioxide (CO2) concentrations enhances growth…”
Get full text
Journal Article -
3
Application of Spectral Remote Sensing for Agronomic Decisions
Published in Agronomy journal (01-05-2008)“…Remote sensing has provided valuable insights into agronomic management over the past 40 yr. The contributions of individuals to remote sensing methods have…”
Get full text
Journal Article -
4
Crop condition and yield simulations using Landsat and MODIS
Published in Remote sensing of environment (01-09-2004)“…Monitoring crop condition and yields at regional scales using imagery from operational satellites remains a challenge because of the problem in scaling local…”
Get full text
Journal Article Conference Proceeding -
5
Climate Impacts on Agriculture: Implications for Forage and Rangeland Production
Published in Agronomy journal (01-03-2011)“…Projections of temperature and precipitation patterns across the United States during the next 50 yr anticipate a 1.5 to 2°C warming and a slight increase in…”
Get full text
Journal Article -
6
Crop and soil productivity response to Corn residue removal: A literature review
Published in Agronomy journal (2004)“…Society is facing three related issues: overreliance on imported fuel, increasing levels of greenhouse gases in the atmosphere, and producing sufficient food…”
Get full text
Journal Article -
7
Influence of nitrapyrin on N₂O losses from soil receiving fall-applied anhydrous ammonia
Published in Agriculture, ecosystems & environment (15-02-2010)“…Fertilizer application in crop production agriculture has been identified as a major source of the greenhouse gas nitrous oxide. Thus, management strategies…”
Get full text
Journal Article -
8
Evaluation of Nitrate Nitrogen Fluxes from a Tile-Drained Watershed in Central Iowa
Published in Journal of environmental quality (01-03-2003)“…Nitrate N fluxes from tile-drained watersheds have been implicated in water quality studies of the Mississippi River basin, but actual NO3–N loads from small…”
Get full text
Journal Article -
9
Vulnerability of grain crops and croplands in the Midwest to climatic variability and adaptation strategies
Published in Climatic change (2018)“…Maize ( Zea mays L.) and soybean ( Glycine max (L.) Merr.) are the dominant grain crops across the Midwest and are grown on 75% of the arable land with small…”
Get full text
Journal Article -
10
Impact of Management Practices on Carbon and Water Fluxes in Corn–Soybean Rotations
Published in Agrosystems, geosciences & environment (01-01-2019)“…Core Ideas Soil management affects carbon and water dynamics. Net ecosystem production was higher in reduced till systems. Ecosystem respiration was higher in…”
Get full text
Journal Article -
11
Tower and Aircraft Eddy Covariance Measurements of Water Vapor, Energy, and Carbon Dioxide Fluxes during SMACEX
Published in Journal of hydrometeorology (01-12-2005)“…A network of eddy covariance (EC) and micrometeorological flux (METFLUX) stations over corn (Zea maysL.) and soybean [Glycine max(L.) Merr.] canopies was…”
Get full text
Journal Article -
12
Soil Water and Shallow Groundwater Relations in an Agricultural Hillslope
Published in Soil Science Society of America journal (01-09-2009)“…Shallow water tables can contribute water for plant use; therefore, plant available water includes not only the water stored in the root zone, but also the…”
Get full text
Journal Article -
13
Characterization of volatile organic emissions and wastes from a swine production facility
Published in Journal of environmental quality (01-11-1997)“…Analytical methods for monitoring the volatile organic compound (VOC) emissions, for defining atmospheric transport coefficients, and for monitoring solution…”
Get full text
Journal Article -
14
Correlation of Human Olfactory Responses to Airborne Concentrations of Malodorous Volatile Organic Compounds Emitted from Swine Effluent
Published in Journal of environmental quality (01-03-2001)“…ABSTRACT Direct multicomponent analysis of malodorous volatile organic compounds (VOCs) present in ambient air samples from 29 swine (Sus scrofa) production…”
Get full text
Journal Article -
15
Water quality in Walnut Creek Watershed: herbicides and nitrate in surface waters
Published in Journal of environmental quality (01-01-1999)“…There is a lack of quantitative information describing the impact of farming on water quality at the watershed scale. This study documents the surface water…”
Get full text
Journal Article -
16
Field estimation of specific yield in a central Iowa crop field
Published in Hydrological processes (15-05-2010)“…The specific yield (Sy) is the gain or loss of water associated with a corresponding amount of water table rise or fall. Rain may be intercepted by the canopy,…”
Get full text
Journal Article -
17
Quasi-biennial corn yield cycles in Iowa
Published in Agricultural and forest meteorology (15-06-2009)“…Quasi-biennial cycles are often reported in climate studies. The interannual El Niño Southern Oscillation (ENSO) and North Atlantic Oscillation (NAO) are two…”
Get full text
Journal Article -
18
The Agricultural Model Intercomparison and Improvement Project (AgMIP): Protocols and pilot studies
Published in Agricultural and forest meteorology (01-03-2013)“…► Introduces the Agricultural Model Intercomparison and Improvement Project (AgMIP). ► Describes AgMIP Protocols for consistent research activities. ►…”
Get full text
Journal Article -
19
Long-term carbon uptake of agro-ecosystems in the Midwest
Published in Agricultural and forest meteorology (15-01-2017)“…•GPP and NEP was corn>prairie>soybean, excluding yield loss and burning.•The corn-soybean agroecosystem is a carbon source including carbon loss by yield.•High…”
Get full text
Journal Article -
20
Uncertainty in simulating wheat yields under climate change
Published in Nature climate change (01-09-2013)“…Projections of climate change impacts on crop yields are inherently uncertain1. Uncertainty is often quantified when projecting future greenhouse gas emissions…”
Get full text
Journal Article