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    • Journal of Range Management, Volume 28 (1975)
    • Journal of Range Management, Volume 28, Number 5 (September 1975)
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    S-Triazine Herbicides Combined with Nitrogen Fertilizer for Increasing Protein on Shortgrass Range

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    Author
    Houston, W. R.
    Van Der Sluijs, D. H.
    Issue Date
    1975-09-01
    
    Metadata
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    Citation
    Houston, W. R., & Van Der Sluijs, D. H. (1975). S-triazine herbicides combined with nitrogen fertilizer for increasing protein on shortgrass range. Journal of Range Management, 28(5), 372-376.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/647023
    DOI
    10.2307/3897497
    Additional Links
    https://rangelands.org/
    Abstract
    Three s-triazine herbicides (atrazine, simazine, and cyanazine) applied annually at 1.1 and 3.4 kg/ha to shortgrass range in northcentral Colorado, consistently increased protein concentration in range herbage for 3 years, 1970-72. Overall, herbage yields were not affected. Spring applications were slightly more effective than fall applications. Atrazine and simazine were about equally effective. However, herbage treated with simazine retained protein better into fall and winter than that treated with atrazine. Cyanazine was the least effective. Increases in protein from the three herbicides were additive to increases from N fertilizer applied at 22 and 45 kg N/ha, except in a drought year. During drought, 3.4 kg of atrazine or simazine combined with 45 kg N reduced herbage yields and yields of protein. The most practical treatment was a combination of 1.1 kg simazine and 22 Kg N/ha. Averaged over 3 years, this combination increased protein concentration 43% and yield of protein 35% in September.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3897497
    Scopus Count
    Collections
    Journal of Range Management, Volume 28, Number 5 (September 1975)

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