Science briefs

Left: Mitchell Richardson setting up the automated GHG sampling system. A component of the sampling system is an SRI gas chromatograph for gas concentration measurements integrated with a Campbell Scientific Data Logger to control sampling equipment. Right: Here Richardson is shown maintaining GHG sampling equipment at the field sampling site. On his left is a LI-COR flux gas chamber with orange flags to mark the location of the soil gas samplers along with the trailer housing the GHG sampling system.

Novel field-sampling system used to monitor greenhouse gas cycling at a high time resolution

August 4, 2025

Photo by Xochiquetzal Fonseca/CIMMYT (license CC BY-NC-SA 2.0)

A simple and low-cost method for plant breeders to increase the rate of recombination of corn

August 4, 2025

Indicator of Reduction in Soils (IRIS) film immediately after retrieval following 60-minute deployment in a tidal marsh soil. On the green table is a portable document scanner for collecting the IRIS image. Photo courtesy of Jocelyn Wardrup, UMD ENST.

Rapid assessment of porewater sulfide using IRIS films

August 4, 2025

Computational design.

Designing agroecosystems with computers

August 4, 2025

Sampling surface residue in a Virginia grassland. Photo by Alan Franzluebbers, USDA-ARS.

Soil fertility is altered by texture and land use in the southeastern United States

August 4, 2025

Farmers’ concerns surrounding the environmental impact of their fertilizers often conflict with their actual application rates. This study in Agricultural & Environmental Letters highlights a need for better communication of phosphorus fertilizer guidelines. Image courtesy of Michigan State University.

Farmer perceptions are important for phosphorus fertilizer management

August 4, 2025

The South Dakota Mesonet Winner 9ESE monitoring station records soil moisture and snowpack data as part of the Upper Missouri River Basin monitoring network. Photo courtesy of Nathan Edwards, South Dakota Mesonet.

Long-term soil moisture, snowpack monitoring is useful for predicting natural disasters

July 9, 2025

Gbenga Daniel Adejumo, University of Saskatchewan Ph.D. candidate and lead author on this study, collecting soil spectral data for predictive modeling. Photo courtesy of the University of Saskatchewan.

Soil organic carbon modeling requires reliable reference methodology

July 9, 2025

Photo courtesy of Adobe Stock/Richie Chan.

Reduced irrigation improves rice quality, cuts arsenic without compromising yields

July 9, 2025

Corn response to different levels of nitrogen fertilizer. Photo courtesy of Greg LaBarge.

Ohio corn nitrogen needs unchanged over the years despite 52% yield increase

July 9, 2025

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