HIGH, T. W., Jr.; DUNCAN, H. R.; FELTS, J. H.; HIGH, J. W., Jr.
Bulletin of the Tennessee Agricultural Experiment Station
Carrying capacity of pastures of Poa or cocksfoot with clover, each irrigated or not, was assessed during 7 years in Tennessee with yearling Hereford bullocks. Grazing started about April in each year and finished at the beginning of September. The Poa pasture had been established for 20 years and the cocksfoot had been sown in the autumn before the experiment began. Irrigation had no effect on average daily liveweight gain but significantly increased number of animal-grazing days per acre. This effect was greater on Poa. The usual reduction of daily gain in mid summer was not prevented by irrigation. The increased carrying capacity of the irrigated pastures was not enough to offset the cost of irrigation.
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University of Tennessee (Knoxville campus), Agricultural Experiment Station
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Organism descriptor(s) :
clovers, grazing, liveweight, liveweight gain, pastures, summer
grazing lands, liveweight gains, pasturing, United States of America
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Broader term(s) :
Bos, Bovidae, ruminants, Artiodactyla, mammals, vertebrates, Chordata, animals, eukaryotes, Poaceae, Poales, commelinids, monocotyledons, angiosperms, Spermatophyta, plants, Appalachian States of USA, Southern States of USA, USA, APEC countries, Developed Countries, North America, America, OECD Countries, East South Central States of USA