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    • Rangeland Ecology & Management, Volume 58 (2005)
    • Rangeland Ecology & Management, Volume 58, Number 4 (July 2005)
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    New Mexico Blue Grama Rangeland Response to Dairy Manure Application

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    Author
    Stavast, Lanson J.
    Baker, Terrell T.
    Ulery, April L.
    Flynn, Robert P.
    Wood, M. Karl
    Cram, Douglas S.
    Issue Date
    2005-07-01
    Keywords
    Bouteloua gracilis
    rangeland application
    snakeweed
    
    Metadata
    Show full item record
    Citation
    Stavast, L. J., Baker, T. T., Ulery, A. L., Flynn, R. P., Wood, M. K., & Cram, D. S. (2005). New Mexico blue grama rangeland response to dairy manure application. Rangeland Ecology & Management, 58(4), 423-429.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/643292
    DOI
    10.2111/1551-5028(2005)058[0423:NMBGRR]2.0.CO;2
    Additional Links
    https://rangelands.org/
    Abstract
    New Mexico supports over 290 000 dairy cattle. These cattle produce large quantities of manure. It has been suggested excess dairy manure could be applied to rangelands as an organic fertilizer to increase soil fertility and herbaceous production. Manure was applied June 2000 to a rangeland in New Mexico dominated by blue grama (Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths) according to phosphorus (P) content: a recommended (light) rate (54 kg P ha-1) to enhance blue grama growth and a gross overapplication (heavy) rate (493 kg P ha-1) to determine their effects on vegetation. The actual application rate of manure on a dry weight basis was 0, 11 739, and 107 174 kg ha-1. Four replications of control, light, and heavy rates were established. Herbaceous standing crop (kg ha-1) was similar 1 growing season after manure application, and greater 2 and 3 growing seasons after application on the light treatment compared with the control. Initially the heavy treatment suppressed herbaceous standing crop; thereafter, standing crop responded in a linear fashion to rainfall. Three growing seasons after manure application, basal cover was similar between light and control treatments, whereas the heavy treatment continued to be characterized principally by manure/litter cover. Heavy disposal-oriented treatments are not suitable for blue grama rangelands because of persistent declines in herbaceous cover and changes in soil salinity. A light manure application rate that is based on P content can increase forb and in particular grass standing crop on arid blue grama rangelands. Successful rangeland manure applications will depend on proper management to insure objectives are met while minimizing any hazards to the environment.  
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/1551-5028(2005)058[0423:NMBGRR]2.0.CO;2
    Scopus Count
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    Rangeland Ecology & Management, Volume 58, Number 4 (July 2005)

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