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    • Journal of Range Management, Volume 44 (1991)
    • Journal of Range Management, Volume 44, Number 5 (September 1991)
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    Effects of seasonal rest in aboveground biomass for a native grassland of the flood Pampa, Argentina

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    Author
    Hidalgo, L. G.
    Cauhépé, M. A.
    Issue Date
    1991-09-01
    Keywords
    Paspalum dilatatum
    Sporobolus indicus
    bothriochloa laguroides
    seasonal grazing
    Bothriochloa
    floodplains
    continuous grazing
    yields
    rotational grazing
    natural grasslands
    biomass production
    grazing intensity
    seasonal variation
    Argentina
    botanical composition
    grazing
    grasses
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    Citation
    Hidalgo, L. G., & Cauhépé, M. A. (1991). Effects of seasonal rest in aboveground biomass for a native grassland of the flood Pampa, Argentina. Journal of Range Management, 44(5), 471-474.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644702
    DOI
    10.2307/4002747
    Additional Links
    https://rangelands.org/
    Abstract
    Changes in total biomass and botanical composition in a native pasture of the Flooding Pampa in the Salado River Basin (Province of Buenos Aires), under 3 grazing systems: spring-summer rest (November, December, and January); fall rest April, May, and June), and continuous grazing were evaluated from October 1979 to August 1981. A variable stocking rate based on available forage was used. Total aboveground biomass was periodically sampled to ground level and separated into dead and green components. The green biomass was subdivided into individual species. Total aboveground biomass averaged 4,600 +/- 445 kg ha-1 and 3,750 +/- 120 kg ha-1 for the spring-summer rest treatment during the first and second years, respectively. In the same period, warm-season species increased, principally due to an increase in dallisgrass (Paspalum dilatatum Poir.) and bluestem (Bothriochloa laguroides Herter) biomass. Total aboveground biomass yield was 2,000 +/- 170 kg ha-1 during the fall rest treatment, and cool-season species such as Poa spp. and Stipa spp. increased. In general, continuous grazing at a moderate intensity resulted in total aboveground biomass of about 2,000 kg DM ha-1 throughout the experimental period. Contributions of warm-season and cool-season species did not change. Only West Indies smutgrass (Sporobolus indicus (L.) R. Br.) increased under continuous grazing.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4002747
    Scopus Count
    Collections
    Journal of Range Management, Volume 44, Number 5 (September 1991)

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