Showing 11 - 20 results of 20 for search '"Soils Nitrogen content."', זמן שאילתה: 0.02s Refine Results
  1. 11

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

    יצא לאור 1977
    Visual Material

    Microbiological transformations of nitrogen in flooded maahas clay [microform]
  2. 12

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

    יצא לאור 1977
    Visual Material

    Distribution of the forms of nitrogen in some Philippine soils [microform]
  3. 13

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

    יצא לאור 1977
    Visual Material

    In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields [microform].
  4. 14

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

    יצא לאור 1970
    Thesis

    Microbiological transformations of nitrogen in flooded maahas clay
  5. 15

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

    ספר

    Distribution of the forms of nitrigen in some Philippines soils
  6. 16

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

    ספר

    Evaluation of nitrogen test methods for soils planted to sugarcane
  7. 17

    Evaluation of nitrogen and phosphorus soil tests for upland soils of Bukidnon מאת Cagmat, Rebecca Benoza 1948-

    ספר

    Evaluation of nitrogen and phosphorus soil tests for upland soils of Bukidnon
  8. 18

    In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields מאת Alimagno, Bonifacio Villanueva 1947-

    ספר

    In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields
  9. 19

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

    ספר

    The effect of tillage method and nitrogen rate on some soil properties and corn response
  10. 20

    Soil nitrogen as fertilizer or pollutant proceedings and report of a research coordination meeting

    ספר

    Soil nitrogen as fertilizer or pollutant proceedings and report of a research coordination meeting

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