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Science: All

March 20, 2017
Passive biological treatment systems, which include treatment wetlands, are an increasingly utilized, low-maintenance option to treat mine waters and reduce their widespread impacts on aquatic ecosyst...
March 20, 2017
Wheat productivity can be increased by increasing kernel size, which is related to ovary size. It is not known whether environmental factors that affect kernel size may also affect ovary size, thus ma...
March 20, 2017
Proper manure management is required to enhance production while minimizing nutrient losses to the environment. Producers in the region with intense broiler production take advantage of the plant nutr...
March 20, 2017
Many crops may rely upon wild germplasm and related species to provide novel genes for improving disease resistance. Such genes are transferred from the exotic sources into commercial lines using back...
March 10, 2017
Infiltration is the main process to replenish soil moisture, recharge aquifers, and reduce groundwater depletion, and it supports streamflows during dry periods. However, most mathematical and physica...
March 10, 2017
Farmers around the world are considering dry direct seeding of rice, which not only reduces labor and time involved in land preparation, but also sustains rice production in rainfed conditions. Rice p...
March 10, 2017
Spelt ( ssp. ) is an old hulled wheat currently receiving renewed interest among consumers, bakers, millers, and farmers. Research is necessary to facilitate a production chain with a satisfactory rew...
March 10, 2017
Soil erosion is a worldwide problem causing severe land degradation and surface water quality deterioration. To effectively control soil erosion, distributed soil erosion models such as the Water Eros...
March 10, 2017
Each month, we highlight a photo that demonstrates great techniques to illustrate research. This month, we thank Silja Hund for this photo of hydrologic monitoring. This photo shows equipment on site....
March 10, 2017
Corn ( L.) residue provides a simple and economical practice to integrate crops and livestock. Corn residue is used for grazing, livestock bedding, supplemental livestock feed, and as a feedstock for ...
March 10, 2017
Fertilizers applied to farm fields, golf courses, and residential landscaping to benefit plants do not always stay in place. These added nutrients, including nitrogen (N) and phosphorus (P), can be wa...
March 10, 2017
Climate change is expected to alter regional temperature and precipitation patterns and will subsequently impact soils and the distribution of plants and animals. Understanding how soils might vary wi...
March 10, 2017
Farmers use “green manure” to protect soil, fix nitrogen, and scavenge nutrients when cash crops are not present. These cover crops can also reduce weeds and act as a mulch for cash crops in no-ti...
March 10, 2017
Historically, field trials have served as the predominant method to assess yield impacts of farm management practices. However, as the amount of data produced by farm operations has increased over the...
March 10, 2017
SSSA member David C. Weindorf (Texas Tech University) and film director Paul Allen Hunton (KTTZ-TV) tackled the difficult subject of climate change in their documentary, . The film is already garnerin...
March 10, 2017
Four million metric tons of phosphate fertilizer are applied annually to U.S. agricultural soils, but less than 40% is taken up by most crops. AVAIL copolymer is a fertilizer additive developed to enh...
March 10, 2017
Characterization of the vulnerability of water bodies to pollution from natural and anthropogenic sources requires understanding the relationship between land use and water quality. While this relatio...
March 10, 2017
Most of the microbial quality regulations and assessments for fresh waters use as an indicator of fecal contamination that may be harmful to human health. Stream and lake bottom sediments contain lar...
March 10, 2017
High-biomass sorghum could potentially produce high yields in the U.S. Midwest with minimal fertilizer inputs. However, little is known about its yield response, N uptake, nitrogen use efficiency (NUE...
February 13, 2017
Organic agriculture poses other demands on crop characteristics than conventional high-input conditions. The question is whether crop cultivars adapted to low-input organic management can be selected ...
February 13, 2017
Farmers and ranchers send soil and crop samples to commercial laboratories for chemical tests that measure nutrient concentrations as well as protein, fiber, and carbohydrates that influence the nutri...
February 13, 2017
Both seed number and seed weight are important to grain yield of sorghum, but seed number is often considered the most important yield component. Because sorghum is often grown under water-limiting co...
February 13, 2017
Reliable prediction of soil hydraulic characteristics is often required to assess soil and ground water contamination risk or soil remediation activities. Soil permeability to water either in saturate...
February 13, 2017
Proximal crop sensing has been used for predicting crop yield, the first step in development of algorithms for sensor-based N management. Most studies were conducted with grain crops, but a recently p...
February 13, 2017
The December 2016 issue of contains a review of soil and landscape evolution—the bio-hydrological processes during the initial development phases of geosystems or developments following an ecosyste...
February 13, 2017
The rising plate meter has been used for several decades to estimate forage yields in pastures containing only one or two forage species. However, pastures with multiple forage species have challenged...
February 13, 2017
Biogeochemical soil processes and fluxes are governed by physical, chemical, and biological properties, which can highly vary in space and time. Current knowledge on biogeochemical processes and fluxe...
February 13, 2017
Changing climate conditions will impact urban and rural communities worldwide. Agriculture may be particularly sensitive to rapid changes in climate and extreme weather events. Climate-smart agricultu...
February 13, 2017
Each month, we highlight a photo that demonstrates great techniques to illustrate research. This month, we thank Stephen Guy for this photo of winter-hardy peas. This photo includes: an unexpected sub...
February 13, 2017
Although there are many studies on how environmental conditions and agricultural practices affect nitrous oxide (NO) emissions, it is not well understood how N transformation processes are involved in...
February 13, 2017
Growing premium wine grapes requires the right soil and climate. An ideal combination occurs in parts of California where the majority of the wine grapes in the United States are produced. As an agric...
February 13, 2017
While many soils in the Upper Midwest of the U.S. are extensively tile drained, substantial cropland remains poorly drained, negatively affecting nitrogen (N) fertilizer use efficiency and possibly de...
January 16, 2017
Each month, we highlight a photo that demonstrates great techniques to illustrate research. This month, we thank Monica Mendez for this photo of researchers in the lab. This photo (i) shows action tha...
January 16, 2017
Research in agricultural systems occurs on a range of time spans. Some experiments are carried out for a single growing season while others are maintained...
January 16, 2017
In the Midwestern U.S., where almost all native grassland has been lost to agriculture and development, many groups work to restore native prairie. One reason to restore these grasslands is for their ...