Ngā hua rapu - "Coffee Papua New Guinea Soils."

Ngā kaupapa kua whakahuatia i roto i tō rapu.
  • E whakaatu ana i te 1 - 3 hua o te 3
Whakamahine hua
  1. 1
    A preliminary report on the arabica coffee soils of Papua New Guinea /

    A preliminary report on the arabica coffee soils of Papua New Guinea / mā Harding, P. E.

    I whakaputaina 1984
    Ngā marau: “…Coffee Papua New Guinea Soils.…”
    Pukapuka

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    I tiakina i:
  2. 2
    A preliminary report on the robusta coffee soils of Papua New Guinea /

    A preliminary report on the robusta coffee soils of Papua New Guinea / mā Harding, P. E.

    I whakaputaina 1985
    Ngā marau: “…Coffee Papua New Guinea Soils.…”
    Pukapuka

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    I tiakina i:
  3. 3
    A comparison of coffee soil and leaf analyses from three laboratories /

    A comparison of coffee soil and leaf analyses from three laboratories / mā Harding, P. E.

    I whakaputaina 1988
    Ngā marau:
    Pukapuka

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