Damanik, MMB, University of North Sumatera, Indonesia
Vol 5, No 1 (2017) - Articles
Aplikasi Pupuk SP-36 dan Pupuk Kandang Sapi terhadap Ketersediaan dan Serapan Fosfor pada Tanah Inceptisol Kwala Bekala AbstractPDF
Vol 6, No 1, Januari (2018) - Articles
Application of Various Organic Matter and Incubation Period to change some Chemical Properties of Ultisol Soil AbstractPDF
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