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  • 8/18/2019 Mg Concentration

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    Re

    V

    ABSTRACT

    Magnesium

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    80

     

    GRONO

    Table 1.

    Soil methodology

    l 'ammeter

     

    rocedure

     

    Partici• size hy o

    ydrometer

     

    211 RC

    re logical

     

    etrographic

     

    21

    avralogi cal

     

    -ray

     

    D

    ig:

    ale matter

     

    a I kley lack

     

    p II

     

    lass electrode

     

    Electrical conductivity

     

    aturated paste extra

    CA CO

      quivalent

     

    cid neutralization

     

    Cation exchange capacity

     

    H,

    -saturation

     

    Extractable cations N

    NH,

    OAc. pit 7.0

    Water soluble cations

    aturated paste extra

    Saturation water content i fa y

     I metric

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    MA

    T-test, P 0.05) from that for the

    fourth or fifth year. The decrease in

    centrations during each season con

    pean repo rts, but may he related to ph

    of the crested wheatgrass in this stu

    ence of legumes in European pastu

    year differences in Mg concentratio

    are not known, but may relate to so

    and to seasonal growing conditions.

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    82

     

    GRONO

    4, ----, P. R. Stout, and J. R. Brownell.

    of ruminants. Advan. Agron. 22:331-374

    5.

    Hooper, L. J. 1967. The uptake of mag

    aml its relationship with soil analysis d

    Soil potassium and magnesium, Tech. B

    Stationery Office, London.

    6. Kershaw, E. S., and C. L. Banton. 1965.

    of 5.22 ryegrass on calcareous loam so

    tilizer treatments. J. Sci. Food Agr. 16:6

    7. Kirkby, E. A. 1969. Ion uptake and ion