URBANA, Ill. – Many agronomic weeds are developing resistance to available herbicides, making them harder and harder to kill. With few effective chemicals left and no new herbicide classes on the horizon, farmers are going back to older products that still offer the promise of crop protection.

URBANA, Ill. – Last week, the American Association for the Advancement of Science (AAAS) named soybean breeder Brian Diers one of its 2021 Fellows. The honor recognizes the contributions of researchers for the advancement of science or service to society.

URBANA, Ill. – With water quality guidelines compelling more farmers to act on nitrogen loss, cover crops and split nitrogen applications are becoming more common in the Midwest. But new University of Illinois research shows these conservation practices may not provide environmental benefits across the board.

URBANA, Ill. – Synthetic nitrogen fertilizers transformed agriculture as we know it during the Green Revolution, catapulting crop yields and food security to new heights. Yet, despite improvements in crop nitrogen use efficiency, fears of underperformance spur fertilizer overapplication to this day. Excess nitrogen then ends up in waterways, including groundwater, and in the atmosphere in the form of potent greenhouse gases.

URBANA, Ill. – When we think of evolution, many of us conjure the lineage from ape to man, a series of incremental changes spanning millions of years. But in some species, evolution happens so quickly we can watch it in real time.

CHAMPAIGN, Ill., U.S. —  The world is warming quickly with no indication of slowing down. This could be catastrophic for the production of food crops, particularly in already warm areas. Today, research from the University of Illinois and the U.S. Department of Agriculture Agricultural Research Service shows that bypassing a photosynthetic glitch common to crops like soybean, rice, and wheat, can confer thermal protection under heat stress in the field. 

URBANA, Ill. – Soil organic carbon is a cornerstone of soil health. It improves soil structure while enhancing water- and nutrient-holding capacity, key factors for any agricultural production system. To build it up, farmers incorporate crop residues into soils.

So why, despite decades of residue inputs, is soil organic carbon diminishing in corn production systems? Short answer: it’s the nitrogen.

URBANA, Ill. – The right mineral fertilizers applied appropriately can alleviate nutrient deficiencies in soils and increase crop yields, but most small-scale farmers in Sub-Saharan Africa do not have their soils tested to reveal these deficiencies.

URBANA, Ill. – Wheat and barley growers know the devastating effects of Fusarium head blight, or scab. The widespread fungal disease contaminates grain with toxins that cause illness in livestock and humans, and can render worthless an entire harvest. As Fusarium epidemics began to worsen across the eastern U.S. in the 1990s and beyond, fewer and fewer farmers were willing to risk planting wheat.

URBANA, Ill. – University of Illinois weed scientists have confirmed resistance to the herbicide dicamba in a Champaign County waterhemp population. In the study, dicamba controlled 65% of the waterhemp in the field when applied at the labeled rate. And in the greenhouse, plants showed a 5-to-10-fold reduction in dicamba efficacy compared with sensitive plants.