Søgeresultater - "Soils Nitrogen content."

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  1. 1

    Distribution of the forms of nitrigen in some Philippines soils af Caramancion, Maria Nylda (Villena) 1945-

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  2. 2

    Distribution of the forms of nitrogen in some Philippine soils [microform] af Caramancion, Maria Nylda Villena 1945-

    Udgivet 1977
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  3. 3

    Evaluation of nitrogen test methods for soils planted to sugarcane af Lojo, Angelina M. 1937-

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  4. 4

    Biological nitrogen fixation in paddy field studied by in SITU acetylene-reduction assays af Watanabe, Iwao, Lee,K.K, Alimagno,B.V, Sato,M, Del Rosario,D.C, De Guzman,M.R

    Udgivet 1977
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  5. 5

    The effect of tillage method and nitrogen rate on some soil properties and corn response af Riyanto 1938-

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  6. 6

    Microbiological transformations of nitrogen in flooded maahas clay af Manguiat, Ireneo Javier 1945-

    Udgivet 1970
    Thesis


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  7. 7

    In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields [microform]. af Alimagno, Bonifacio Villanueva 1947-

    Udgivet 1977
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  8. 8

    Microbiological transformations of nitrogen in flooded maahas clay [microform] af Manguiat, Ireneo Javier 1945-

    Udgivet 1977
    Visual Material


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  9. 9

    Nitrogen and rice

    Udgivet 1979
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  10. 10

    Biological nitrogen fixation in sustainable rice farming af Watanabe, Iwao

    Udgivet 1991
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