Rangeland Fertilization for Balanced Forage and Cattle Nutrition

摘要: An important grazing resource in the United States is big sagebrush-bunchgrass complex. It occupies nearly 94 million acres southern Idaho, Utah, western Wyoming, Nevada, southeastern Oregon and south-central Washington. This area often referred to as Great Basin because of its precipitation pattern. Annual precipitation generally less than 14 inches, most it falls during winter spring. The principal grasses are perennial bunch types, including species wheatgrass, bromegrass, bluegrass, needlegrass fescue.