Dangos 1 - 5 canlyniadau o 5 ar gyfer chwilio '"Soils Phosphorus content. Philippines."', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 1

    Environmental fate of macro-elements in upland soils under different land uses in Rizal gan Urriza, Gavino Isagani P.

    Cyhoeddwyd 2004
    Traethawd Ymchwil

    Environmental fate of macro-elements in upland soils under different land uses in Rizal
  2. 2

    Ecological study of the Bontoc rice paddy system a case of human-environment interaction gan Omengan, Elizabeth A., Sajise, Percy E.

    Cyhoeddwyd 1982
    Analytics

    Ecological study of the Bontoc rice paddy system a case of human-environment interaction
  3. 3

    Nitrogen and phosphorus cycles in a Bontoc rice paddy system gan Omengan, Elizabeth A.

    Cyhoeddwyd 1981
    Traethawd Ymchwil

    Nitrogen and phosphorus cycles in a Bontoc rice paddy system
  4. 4

    Status and behavior of phosphorus in some acid soils in the Philippines gan Metra, Teodula Malong 1954-

    Llyfr

    Status and behavior of phosphorus in some acid soils in the Philippines
  5. 5

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

    Llyfr

    Evaluation of nitrogen and phosphorus soil tests for upland soils of Bukidnon

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