13 research outputs found
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Forest Grazing in the South
Potential forage production is higher in the South than in other range areas of the United States, although actual production is declining rapidly due to accelerated pine regeneration. The cutover longleaf (Pinus palustris Mill.) pinelands that produced an abundance of forage have been largely regenerated with fast-growing slash (P. elliottii Engelm.) and loblolly pines (P. taeda L.) and these young plantations reduce herbage production drastically within a few years. Few large industrial timber companies encourage grazing, although some allow it, often without fee, as a public relations gesture. Cattlemen who depend on forest range alone seldom own the land their cattle graze, often lease the land under an annual permit, and have little incentive to improve the range. Attempts to promote cooperation among livestock producers through grazing associations have generally been unsuccessful. Public land managers are under pressure from wildlife and environmental organizations to prohibit or curtail grazing. Operational-scale multiple-use research is needed to evaluate compatibility of cattle, wildlife, and other resources.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Variation in Pinehill Bluestem, a Southern Ecotype of the Andropogon scoparius Complex
Pinehill bluestem is the most common variant of the little bluestem (Andropogon scoparius) complex in pine forests of north and central Louisiana and east Texas. It is also frequent in adjacent portions of Oklahoma and Arkansas. It differs from other inland forms of little bluestem primarily in its unreduced pedicellate spikelets, which are equal in size to the sessile spikelets. Because of vegetative similarity between pinehill bluestem and associated forms of A. scoparius, separation of varieties for purposes of forage management is not recommended.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Herbage Responses to Fire and Litter Removal on Southern Bluestem Range
Yield and nutrient content of herbage on burned plots differed little from that on plots that were closely mowed and raked. Thus, the beneficial effects of burning were attributed mainly to litter removal.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Responses of Herbage, Pines, and Hardwoods to Early and Delayed Burning in a Young Slash Pine Plantation
Early burning in slash pine plantations on southern forest ranges did not prevent herbage yields from dropping sharply as the overstory developed. Unburned plots and plots burned initially at ages 5, 9, or 12 had 90% less herbage at age 13 than at age 6. Early burning prevented most scrub hardwoods and shrubs from reaching a size uncontrollable by fire, kept browse accessible to cattle and deer, and prevented pine litter from eliminating herbaceous plants from the understory. Burning had no effect on pine survival and growth.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Comparison of Cage Methods for Determining Utilization on Pine-Bluestem Range
Plucking herbage from caged quadrats to simulate grazing resulted in lower estimates of yield and utilization than did monthly or yearly clipping of herbage from caged and open quadrats. At the end of the grazing season, estimates of ungrazed herbage did not differ significantly by measurement technique. The overestimate of yield when herbage was clipped once a year was probably caused by greater growth on caged than on open quadrats.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Season of Burning Affects Herbage Quality and Yield on Pine-Bluestem Range
Burning different portions of a range in winter, spring, and summer provided adequate protein in herbage for a much longer period than winter burning alone. Phosphorus was deficient the year round, regardless of burning schedule.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Prescribed Burning Rotations on Pine-Bluestem Range
Burning one-seventh of a range each year in winter, one-seventh in spring, and one-seventh in summer produced no more gain on Brahman crossbred heifers than did burning one-third of the unit in winter. Average gains during the 4-year study ranged from 120 to 271 lb./head for a 168-day period, or 0.7 to 1.6 lb./head/day.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Liquid Supplements for Cattle on Southern Forest Range
A molasses-urea mixture fed free-choice yearlong as a supplement to cows on pine-bluestem range produced a higher calf crop and heavier calves than cottonseed cake fed only during winter. Because the liquid supplement required no feeding labor, it was 0.81 per acre more profitable than the cottonseed cake.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Livestock and Deer Activities on the Edwards Plateau of Texas
This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Herbage Response to Precommercial Thinning in Direct-Seeded Slash Pine
Direct-seeded slash pines (Pinus elliottii Engelm. var elliottii) were thinned at age 3 years to densities ranging from 500 to 5,300 trees/acre. At stand age 12 years, herbage yields were inversely related to tree basal area, varying from 560 lb./acre under tree basal areas of 125 ft2 to 2,230 lb. under 54 ft2. Where timber stand densities were equal, yield did not vary between plots that had been thinned selectively and those on which continuous opening had been created by removing trees in strips.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202