. An assessment of the forest and range land situation in the United States. Forests and forestry United States; Forest management United States; Rangelands United States. The production of herbage from pastures in the humid eastern half of the country can be increased by as much as three times with improved practices. Pasture yields are assumed to increase by 50 percent or to 4 AUM's of grazing per acre by 2030. By 2030, pasture yields per acre would be less than 50 percent of cropland pasture yields. Under these yield esti- mates, pasture could provide 454 million AUM's of grazing by 2030. R
. An assessment of the forest and range land situation in the United States. Forests and forestry United States; Forest management United States; Rangelands United States. The production of herbage from pastures in the humid eastern half of the country can be increased by as much as three times with improved practices. Pasture yields are assumed to increase by 50 percent or to 4 AUM's of grazing per acre by 2030. By 2030, pasture yields per acre would be less than 50 percent of cropland pasture yields. Under these yield esti- mates, pasture could provide 454 million AUM's of grazing by 2030. Range Sources Range grazing trends. —The supply of range graz- ing has historically followed the pattern of changing beef cattle numbers and the price relationships of range grazing to other livestock feed sources. Range grazing increased as the West was settled and peaked during the food crisis of World War I, especially on Federal lands. Thereafter, it stabilized at a somewhat lower level. From the 1940's until the present, most of the increases in livestock feed for the rapidly growing beef cattle numbers were supplied, not by range graz- ing, but by increased use of grain and by roughage sources formerly used for dairy cattle, sheep, and horses. Thus, the production and use of range grazing has been relatively unchanged. In 1976, range pro- duced about 213 million AUM's of livestock grazing, the same produced in 1970. Extending this 1970 to 1976 trend to 2030, the supply of range grazing would remain about 213 million AUM's of grazing if the investment in range improvement is not increased above the current level. Biological potential. —The Nation's range has the physical capacity to produce more grazing to meet projected demands. The ultimate biological potential production from the range has been estimated at 566 million AUM's, more than 2Vi times the 1976 supply level of 213 million AUM's. This could be achieved by applying intensive management levels on all of the mo
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Keywords: ., book, bookcentury1900, booksubjectforestsandforestryunitedstates
