Crop yield can be improved by ensuring adequate nutrient availability.

The most recent annual results from a four-year Iowa State University study on using cover crops between rows of corn reveals that higher yields - by as much as 10 percent - are possible using the soil-saving approach to farming.

A U.S. Department of Agriculture (USDA) soil scientist in Colorado is helping farmers grow crops with less nitrogen-based fertilizer.

The answer is yes, according to new research in the Sept.-Oct. issue of Agronomy Journal.

Access to swine effluent or waste water can help a producer grow more grass.