Publishing Journal • Multidisciplinary Indonesian Center Journal (MICJO)

RECLAMATION OF FORMER COAL MINING LAND AT THE NORTHERN PIT OF CV. SEMOGA SURYA SENTOSA, SELUANG RIVER, SAMBOJA, EAST KALIMANTAN

DOI: 10.62567/micjo.v3i1.2110 Published: 30 January 2026 Pages: 11-25 (Vol. 3, No. 1) Views: 1
Authors & Researchers
Y
Yustina Hong Lawing Kutai Kartanegara University1
M
Merdi Handayani Kutai Kartanegara University2

Abstract

The rehabilitation of post-mining land with low nutrient content is carried out using chemical and organic materials. To improve soil fertility, the application of fertilizers is required. Soil fertility is crucial as a medium for plant growth to enable replanting. Once the planting medium is available, it is then cultivated with plants suitable for the land conditions. The methodology of this study involved observing land conditions by examining soil structure, texture, and pH in the research area. The results showed that the soil texture belongs to the sandy clay loam or clay loam class, with a soil pH of 3.72. Soil improvement was carried out by applying dolomite lime at 100 grams per planting hole, requiring a total of 66.7 kilograms. Goat manure was applied at 2 kilograms per planting hole, with a total requirement of 133.4 kilograms for 667 trees. The tree species planted were Sengon (Paraserianthes falcataria) and Trembesi (Samanea saman).

Indexing Journal

Multidisciplinary Indonesian Center Journal (MICJO) Cover

Multidisciplinary Indonesian Center Journal (MICJO)

ISSN: 3032-2472 Publisher: PT. Jurnal Center Indonesia Publisher