. Improving productivity on forests and rangelands : 1980 research accomplishments. Forest management United States; Range management United States; Forests and forestry Research United States; Rangelands Research United States; Forest management United States Bibliography; Range management United States Bibliography. MORE FAST-GROWING TREES In addition to studying hybrid poplars in the Lake States and the Mississippi Delta, Forest Service researchers are testing fast-growing eucalyptus species in the warm tropical environments of southern Florida and Hawaii. Eucalyptus wood can be used for pa
. Improving productivity on forests and rangelands : 1980 research accomplishments. Forest management United States; Range management United States; Forests and forestry Research United States; Rangelands Research United States; Forest management United States Bibliography; Range management United States Bibliography. MORE FAST-GROWING TREES In addition to studying hybrid poplars in the Lake States and the Mississippi Delta, Forest Service researchers are testing fast-growing eucalyptus species in the warm tropical environments of southern Florida and Hawaii. Eucalyptus wood can be used for paper production, but use as a substitute for fuel oil in the boilers of citrus concentrating plants or electric generating plants seems more likely. Scientists from the Southeastern Forest Experiment Station have shown that Eucalyptus grandis will produce about 3 cords per acre per year on land that is currently unproductive. Over 12,000 acres of commercial plantations have already been established and as much as 3 million acres in the southern half of Florida may be suitable. Much of this land is now used as unimproved pasture, but the soil is so low in nutrients that about 30 acres are needed to support one cow. Researchers at the Institute of Pacific Islands Forestry of the Pacific Southwest Forest and Range Experiment Station are developing guidelines for establishing, cultivating, and harvesting plantations of eucalyptus. In studies funded by the Department of Energy, scientists have shown that closely spaced, fertilized trees can grow 35 feet high in 3 years. Tests have also been conducted usinga combination of eucalyptus wood chips and bagasse, a byproduct of sugarcane production, to fuel boilers. Wood chips may soon be used to supplement or replace oil and other expensive fossil fuel, which Hawaii must now import to produce electricity. 42. Forest Service researchers are testing fast-growing eucalyptus species in the warm tropical environments of southern Florida an
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