Science News

Green cotton bolls on growing cotton plant.
By Kaine Korzekwa

Plants need water—but what about when it’s running low? Is it possible to use less water and still have healthy crops?

Green cotton bolls on growing cotton plant.

Two people inspect carrot plants
By Adityarup “Rup” Chakravorty

Have you thanked a crop breeder today? Public-sector plant breeders (for example, at public universities) have developed crops for better productivity. As a result, more food is available to feed a growing population.

Plastic mulch around corn plants
By Ula Chrobak

How do you boost soil water content and soil health without irrigating? Best cover it with a layer of straw, a new study concludes.

Plastic mulch around corn plants

Exudates on the tip of maize root
By Susan V. Fisk

As the growing season progresses, you might not notice much about what’s happening to plants under the soil. Most of us pay attention to new shoots, stems, leaves, and eventually the flowers and crop we intend to grow. We might think of roots as necessary, but uninteresting, parts of the crop production process.

Exudates on the tip of maize root

Woman inspects faba bean plant in field.
By Penelope Hillemann

Researchers have good news for growers. Farmers raising a nitrogen-hungry crop like sweet corn may save up to half of their nitrogen fertilizer cost. The key: using a faba bean cover crop.

Woman inspects faba bean plant in field.

Tractor pulling 8-row flamer in field.
By Penelope Hillemann

Interest in organic farming is growing. However, controlling weeds without synthetic herbicides, as organic certification requires, is challenging. Scientists are studying alternative tools for weed management. One such tool is propane-fueled flame weeding.

Tractor pulling 8-row flamer in field.

Common ragweed in soybean field.
By Ula Chrobak

Ragweed, its pollen potent to allergy sufferers, might be more than a source of sneezes. In the Midwest, the plant may pose a threat to soybean production.

Common ragweed in soybean field.

Scientists have found that ragweed can drastically reduce soybean yield.

Soybean nodule cut in half showing pink middle.
By Adityarup “Rup” Chakravorty

Soybean is rich in protein, which is great for the humans and animals eating it. But this high protein content comes at a cost.

Soybean nodule cut in half showing pink middle.

Construction of bioreactor in Chesapeake Bay area.
By Kaine Korzekwa

A ditch containing woodchips may look unassuming—but with a name like bioreactor it’s guaranteed to be up to more than you think.  

Construction of bioreactor in Chesapeake Bay area.

Sheep grazing a sod plot
By Rossie Izlar

Soil gets tired. After years of supporting a rotating cast of crops, the soil’s nutrient supply is often exhausted. The tilling, turning, and planting also degrade the organic matter in the soil and its ability to stay hydrated.

Sheep grazing a sod plot