Food & Health

Pigweed, ragweed, and lambsquarters affected by grit blasting
March 09, 2015

The timeless struggle against weeds is especially tough for organic farmers, who avoid using highly concentrated herbicides in favor of chemical-...

Velvet bean and maize grow together in this experimental field
February 23, 2015

Recent research in Mexico suggests rotating the use of a local cover crop can improve soil fertility and yields of maize (corn) harvests.

Photo of arid soil courtesy of Oxfam International
January 12, 2015

Soil—it’s what’s under our feet. But it’s also what makes sure there is food and water in our stomachs, air in our lungs,...

January 03, 2015

Even for seasoned agricultural and soil scientists, the concept of modeling can be foreign. Making models more familiar and promoting their study...

students taking soil core
October 01, 2014

From a young age, we are told to eat our vegetables. But that can be a difficult to do if there are no stores selling fresh, nutritious foods in...

group standing in field
August 28, 2014

Water drips out of almost every facet — and faucet — of Texas. With the state ranking in the top three for groundwater use, it is...

central valley from the air
June 06, 2014

Nitrogen gas makes up 80% of the air we breathe. Although nitrogen is an inert gas—it doesn’t react easily with other elements—...

Ohio map showing arsenic levels
April 25, 2014

Geologic and soil processes are to blame for significant baseline levels of arsenic in soil throughout Ohio, according to a...

Pasture with sheep and mountains in background
April 07, 2014

New Zealand’s pastoral landscapes are some of the loveliest in the world, but they also contain a hidden threat. Many of the country’s...

Pump with flowing irrigation water in Bangladesh
March 05, 2014

The 20th century’s Green Revolution is credited with saving...