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    • Journal of Range Management, Volume 47 (1994)
    • Journal of Range Management, Volume 47, Number 1 (January 1994)
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    Seeding Indian ricegrass in an arid environment in the Great Basin

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    Author
    Young, J. A.
    Blank, R. R.
    Longland, W. S.
    Palmquist, D. E.
    Issue Date
    1994-01-01
    Keywords
    variety trials
    desert soils
    planting depth
    planting date
    Achnatherum hymenoides
    scarification
    arid zones
    seedling emergence
    sowing rates
    establishment
    Nevada
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    Citation
    Young, J. A., Blank, R. R., Longland, W. S., & Palmquist, D. E. (1994). Seeding Indian ricegrass in an arid environment in the Great Basin. Journal of Range Management, 47(1), 2-7.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644462
    DOI
    10.2307/4002831
    Additional Links
    https://rangelands.org/
    Abstract
    Indian ricegrass [Oryzopsis hymenoides (R. & S.) Rickerl is a valuable forage species adapted to arid rangelands in temperate deserts. The purpose of this study was to test the influence of seeding date, depth, and rate on Indian ricegrass emergence and seedling establishment of acid scarified and intact caryopses (seeds). The seeding experiments were conducted on a wind eroding sand sheet of Lahontan age in western Nevada. During the initial year of planting, seeds of the cultivars Nezpar and Paloma Indian ricegrass were successfully established without pretreatment by acid scarification. Acid scarified seeds did not result in the established seedling stands in the field. Initial seedings were done in a season with prolonged moisture events with total precipitation about twice the average. Seedling stands of crested wheatgrass [Agropyron desertorum (Fisch.) ex Link Schult] as well as other exotic and native herbaceous and woody species were established during the first year. During the next 4 years crested wheatgrass seedlings were never again established. Indian ricegrass seedlings were established in 3 of the 4 subsequent years of seeding trials using a seeding rate of 0.8 seeds/cm of row and a seeding depth of 1 cm. Indian ricegrass seedling emergence was increased by either increasing the planting depth to 5 cm or by reducing the seeding rate to 0.03 seeds/cm of row. The ultra-low seeding rate resulted in a significant saving in seed cost.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4002831
    Scopus Count
    Collections
    Journal of Range Management, Volume 47, Number 1 (January 1994)

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