Ngā hua rapu - "Phosphate rock"

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  1. 1
    Evaluation of the Heavy Metal Contents of Soil and Crops on a Field Treated with Ogun Rock Phosphate and Cowdung Fertilizers

    Evaluation of the Heavy Metal Contents of Soil and Crops on a Field Treated with Ogun Rock Phosphate and Cowdung Fertilizers mā Anwadike, Benjamin Chukwumah

    I whakaputaina 2015
    Ngā marau: “…Phosphate rock…”
    Whiwhi kuputuhi katoa
    Thesis
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    I tiakina i:
  2. 2
    Comparative efficiencies of liquid humic substances extracted from raw and composted agro-wastes on phosphorus release from phosphate rock

    Comparative efficiencies of liquid humic substances extracted from raw and composted agro-wastes on phosphorus release from phosphate rock mā Adeoye, Margaret Tofunmi

    I whakaputaina 2019
    Ngā marau:
    Whiwhi kuputuhi katoa
    Thesis
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