May 28, 2015

In the United States, federal mandates to produce more renewable fuels, especially biofuels, have led to a growing debate: Should fuel or food...

The liquefaction experiment starts by stirring water into soil.
May 21, 2015

Have you considered what might happen to your house during a liquefaction event? Sixth-grader Joshua Miller has.

When it comes to...

An urban garden with vegetables
May 13, 2015

Green thumbs, do not fret. Pockets of soil in urban areas are still available for the increasingly popular practice of urban gardening.


May 04, 2015

A new approach to wastewater treatment may be key in efforts to reduce, reuse, and recycle. Moreover, it can be profitable.

Phosphorus is...

April 23, 2015

When it comes to soil and water, predictability is important--but difficult.

Soil scientists have struggled with accurately measuring...

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.

Connor Luong with his winning science fair project
February 11, 2015

Connor Luong, 6th grader from Brookfield School in Sacramento, California, was awarded a $1,000 prize by the Soil Science Society of America (SSSA...

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,...

landscape view of agricultrual field
January 05, 2015

Runoff from agricultural fields contains nutrients that can adversely affect surface water quality, human health, and aquatic life. Nitrates from...