The aim of this research was to determine the optimal NPK fertilizer dosage for oil palm plants after the dry season and to study the response of oil palm plants in peat swamp land to NPK fertilizer. The study was conducted at the PT. Buyung oil palm plantation in Pulau Negara Village, Pemulutan Barat District, Ogan Ilir Regency, South Sumatra, with the position of 3°11’17”S 104°42’04…
Soil quality is the ability of the soil to support its various functions, on soils that have been managed or are still natural. The Soil Quality Index (SQI) is an index calculated based on the value and weight of each soil quality indicator. The chemical properties of the soil are one of the constituents of soil quality. Soil chemicals are linked to the availability of essential nutrients neces…