Items where Author is "Martaguna, Ongky Arindra"

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Martaguna, Ongky Arindra (2022) Pengaruh Pemupukan Rock Phosphate dan Pupuk Dolomite Terhadap Produksi Kelapa Sawit (Elaeis Guineensis Jacq) Di Divisi I PT. Dwi Mitra Adhiusaha. Diploma thesis, Politeknik Negeri Jember.

Martaguna, Ongky Arindra (2022) Pengendalian Gulma Tanaman Kelapa Sawit Secara Kimiawi Pada Piringan Pokok Dan Pasar Pikul Di Divisi I PT. Dwi Mitra Adhiusaha Kalimantan Tengah. [Experiment] (Unpublished)

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