Mulyadi Mulyadi

Pedogenic Differentiation Across Volcanic Landforms in Tropical Rainforest: Evidence from Clay Activity and Carbon Dynamics in East Kalimantan, Indonesia

Mulyadi Mulyadi, Bagus Adi Nugroho, Donny Dhonanto & Titin Eka Setianingsih · International Journal of Plant & Soil Science · 2026

Volcanic soils in humid tropical environments undergo intensive weathering and pedogenic differentiation, producing marked variation in clay activity and soil organic carbon across landforms. This study evaluated pedogenic differentiation across volcanic landforms in Barong Tongk...

Open access Research Article 10.9734/ijpss/2026/v38i96290

Suitability of Oil Palm Plantation on Tunjung Plateau´s Volcanic Parent Material in West Kutai Districts, East Kalimantan, Indonesia

Mulyadi Mulyadi, Doni Dhonanto & Surya Darma · International Journal of Plant & Soil Science · 2026

The study of Oil Palm plantation suitability on Tunjung Plateau Vulcanic parent materials in Wast Kutai Districts of East Kalimantan, Indonesia, has been done. The soil profile on two different physiographic, i.e.,on almost flate and undulating/hilly topography, was selected. The...

Open access Research Article 10.9734/ijpss/2026/v38i15919