Browsing Proceedings by Subject "Humic acid, oil palm, degraded soil, zeolite."
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Peningkatan Produksi Kelapa Sawit pada Tanah-Tanah Bermasalah dengan Aplikasi Asam Humat dan Zeolit (Increasing Oil Palm Production in Degraded Soils by Application of Humic Acid and Zeolite)
(2009)More than 50% of soils in Indonesia are classified as degraded soils which characterized by low pH, low organic matter and nutrients. Some of those soils are used for oil palm plantation due to oil palm has adaptability ...