cover crops

USDA / NRCS

The Thompson Farm and Ranch straddles the Kansas-Nebraska line. Drought in this region is entering its fourth year. The Thompson family uses no-till practices to grow dryland wheat and corn and also run cows.

Harvest Public Media

Nebraska farmer Bill Volkmer describes himself as an "old farmer." But this old farmer is willing to learn some new tricks. He started planting cover crops in 2011.

Scott Bauer / USDA Natural Resources Conservation Service

Playa wetlands benefit from practices that result in good soil health. The Natural Resources Conservation Service says there are four principles to improving soil health: