Authors: Thomas A. Doerge, Robert L. Roth, Bryant R. Gardner
Nitrogen applications are rarely needed in alfalfa production in Arizona. The primary problems with nitrogen applications to alfalfa are stimulation of weed growth, reduced nodulation, and reduced effectiveness of nodules in "fixing" of nitrogen.
Authors: Richard B. Hine, Michael J. Ottman, and Thomas A. Doerge
Alfalfa is currently grown on approximately 20 percent of the total irrigated crop land in Arizona. This article lists the diseases and nutritional disorders of Alfalfa and gives a lengthy description of each of them.
Oat production has decreased significantly in the United States over the course of the last century. It is still grown as a relatively minor crop in Arizonan agriculture. This article outlines some different varieties and cultural practices in regards to oat production.
Winter Grass Pasture For Low Desert Valleys In Arizona
Crops that can be used for winter grass pasture are barley, oats, wheat and common or tetraploid ryegrasss. Suggestions on planting time, seeding rate, fertilizing, irrigating, harvest and management are discussed.
Forage stands are maintained longer when pastures are properly managed. When a mixture is used, try to maintain each species in its original proportion. This article gives suggestions for maintaining pastures.
ARIZONA PEST MANAGEMENT CENTER
University of Arizona College of Agriculture and Life Sciences Maricopa Agricultural Center