Browsing Undergraduate Theses by Keyword "Abu Boiler"
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Pemanfaatan Kompos Tandan Kosong Kelapa Sawit dengan Penambahan Abu Boiler terhadap Perbaikan Sifat Kimia Tanah dan Pertumbuhan Tanaman Jagung ( Zea mays L. ) pada Tanah Ultisol
(Universitas Sumatera Utara, 2021)The provision of compost from Oil Palm Empty Fruit Bunch (OPEFB) by Addition of of various doses of boiler ash is expected to optimize the utilization of palm oil mill effluent to increase the fertility of Ultisols and ...