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    • Journal of Range Management, Volume 41 (1988)
    • Journal of Range Management, Volume 41, Number 5 (September 1988)
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    Water and nitrogen effects on growth and allocation patterns of creosotebush in the northern Chihuahuan Desert

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    Author
    Fisher, F. M.
    Zak, J. C.
    Cunningham, G. L.
    Whitford, W. G.
    Issue Date
    1988-09-01
    Keywords
    reproductive physiology
    Larrea tridentata
    water uptake
    irrigation water
    plant development
    nitrogen fertilizers
    growth
    range management
    rangelands
    New Mexico
    
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    Citation
    Fisher, F. M., Zak, J. C., Cunningham, G. L., & Whitford, W. G. (1988). Water and nitrogen effects on growth and allocation patterns of creosotebush in the northern Chihuahuan Desert. Journal of Range Management, 41(5), 387-391.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645113
    DOI
    10.2307/3899572
    Additional Links
    https://rangelands.org/
    Abstract
    A field experiment using 2 patterns of irrigation and 1 level of nitrogen fertilizer (10 g-N m-2) was conducted in order to discern water and nitrogen interactions that may control production of creosotebush, (Larrea tridentata (D.C.) Cov. The 2 patterns of irrigation simulated precipitation from small, frequent events (6 mm water added weekly) or large, infrequent events (25 mm water added monthly). Understanding the factors controlling the production of this rangeland shrub may aid in the development of strategies for its management. Vegetative growth occurred mostly during March-May (spring) and August-October (summer-fall). Fruit production occurred mainly in the spring and root growth occurred mainly in the summer-fall. Irrigation increased vegetative growth and decreased fruit production. Responses to irrigation were greater during summer-fall than in the spring. Small, frequent water additions caused larger increases in vegetative plus fruit growth than did large, infrequent water additions. Nitrogen fertilization increased the growth of both vegetation and fruit in irrigated and unirrigated plots. Stem mortality and root growth were not significantly affected by irrigation or nitrogen fertilizer. These results suggest that creosotebush production is limited by both soil moisture and nitrogen availability and that temporal patterns of rainfall may be as important as total amounts.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3899572
    Scopus Count
    Collections
    Journal of Range Management, Volume 41, Number 5 (September 1988)

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