The rate of water flow is a function of the potential energy gradient and the ease with which water is transmitted through soil, termed saturated hydraulic conductivity, which is governed by pore ...

Agricultural fields are an unintended contributing factor to the amount of nitrate-nitrogen entering Illinois’ waterways.

In the pedosphere, the physical and chemical properties of water regulate the flow of energy and solutes, making soil water a crucial component of terrestrial ecosystems. Many of the familiar ...

Instead of regulating harmful agricultural runoff, Iowa -- the nation's biggest corn-producing state -- backs a voluntary, industry-friendly program. But it's not as effective as advertised.