Weathering indices based on the relative proportions of different chemical elements are a
useful tool to investigate the degree of weathering of soils. This characterization is missing in …

The establishment of an Acacia mangium plantation often alters physicochemical
characteristics and nutrient concentrations of soils. We aimed to evaluate the invasive …

Residual liming is one of the measures of the efficacy of liming materials. Ca 2+-
amendments such as calcium hydroxide (Ca (OH) 2), calcium oxide (CaO) and calcium …

Discharging the palm oil mill effluents (POME) might result in environmental pollution, thus
the POME wastes that had high total solids, abundant in oil palm mills, potential to be …

Many life support systems are built on the foundation of land. Biomass (producing function)
that directly or indirectly provides humans with food, feed, fiber, fuel, wood, and other …

Khilau Watershed (DAS) is one of the sub-watersheds with the status of should be restored.
The biophysical conditions of the watershed must be assessed, to determine the suitable …

Khilau Watershed (DAS) is one of the sub-watersheds with the status of should be restored.
The biophysical conditions of the watershed must be assessed, to determine the suitable …

1.1 Background Acid Ultisols and Oxisols which occur during geological evolution,
especially in areas of high rainfall due to relatively easy leaching from soils, leaving them …