URBANA, Ill. – Conventional agriculture relies on the application of phosphorus from fertilizers or animal manure to deliver adequate amounts of the essential element to growing crops for maximum productivity. However, unintended losses of phosphorus from fields to water bodies can impact aquatic ecosystems.

A University of Illinois study reveals soil phosphorus concentrations can vary greatly across a single field translating to sub-field variability of dissolved phosphorus, a readily available form promoting algal production, in tile (artificial subsurface drainage) water.

URBANA, Ill. – The Soybean Innovation Lab (SIL) developed a new Guide to African Soybean Seedborne Diseases and Pests for use by African seed companies, seed multipliers, research institutions, and soybean processors, whose operations demand high-quality seed. Identifying the causes of decreased seed health, which translates to poor germination, low yields, and decreased profitability, is key to building a successful soybean industry in Africa.

URBANA, Ill. – As climate change becomes increasingly difficult to ignore, scientists are working to diversify and improve alternatives to fossil-fuel-based energy. Renewable bioenergy crops, such as the perennial grass Miscanthus, show promise for cellulosic ethanol production and other uses, but current hybrids are limited by environmental conditions and susceptibility to pests and diseases.

URBANA, Ill. – Genetically speaking, the loaf of bread you stress-baked during the COVID-19 shutdown is more complex than you think. Wheat’s 16 billion genes, organized in not one but three semi-independent genomes, can overlap or substitute for one another, making things extremely tricky for geneticists trying to enhance desirable traits in the world’s most widely grown crop.

CHAMPAIGN, Ill. — The crops we grow in the field often form dense canopies with many overlapping leaves, such that young “sun leaves” at the top of the canopy are exposed to full sunlight with older “shade leaves” at the bottom. In order to maximize photosynthesis, resource-use efficiency, and yield, sun leaves typically maximize photosynthetic efficiency at high light, while shade leaves maximize efficiency at low light. 

URBANA, Ill. – Like antibiotic-resistant bacteria, some herbicide-resistant weeds can’t be killed by available chemicals. The problem affects more than just the errant weed in our driveways; herbicide-resistant weeds threaten our food supply, stealing resources and outcompeting the crops that make up our breakfast cereal and feed the nation’s livestock.

The weed that represents the biggest threat to Midwestern corn and soybean production, waterhemp, has outsmarted almost every kind of herbicide on the market today.

URBANA, Ill. – Soil microbes are living, working barometers of soil health. They are responsible for turning atmospheric nitrogen into forms plants can use, and for releasing nitrogen back into the air. Farm management decisions undoubtedly affect these microscopic workhorses, but, until now, scientists didn’t have a full picture of how crop rotation and tillage influence the soil microbiome.

CHAMPAIGN, Ill. — Crop modeling is essential for understanding how to secure the food supply as the planet adapts to climate change. Many current crop models focus on simulating crop growth and yield at the field scale, but lack genetic and physiological data, which may hamper accurate production and environmental impact assessment at larger scales.

URBANA, Ill. ­– Climate change creates extreme weather patterns that are especially challenging for people in developing countries and can severely impact agricultural yield and food security. International aid organizations have invested billions of dollars in promoting climate-smart agriculture (CSA) practices, but the effects of those programs are rarely documented.

CHAMPAIGN, Ill. —  Lisa Ainsworth, a research plant physiologist with the USDA Agricultural Research Service and adjunct professor of plant biology and crop sciences at the University of Illinois, has been elected to the National Academy of Sciences — largely considered one of the highest honors that a scientist can receive.