Enrichment planting of degraded-forest using mycorrhizal seedlings in Pasirmayang forest, Jambi

Supriyanto, . and Irawan, U. S. (2005) Enrichment planting of degraded-forest using mycorrhizal seedlings in Pasirmayang forest, Jambi. [Conference or Proceeding]

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Abstract

Frequent forest fires, shifting cultivation, illegal logging, and over-extraction of timber resources, have destroyed most of Indonesia’s natural forests. It is important to replant the degraded forest using high-quality seedlings. Enrichment planting is the cheapest way to plant the degraded areas, without disturbing the soil structure, and biodiversity composition. The recommended species are generally from commercial timber species; among them are Shorea leprosula, Shorea selanica, Shorea johorensis, etc. Fast growing tree species of Gmelina arborea, Pinus merkusii, and Duabanga moluccana, are also recommended for planting in heavy degraded forest areas. The general objective of the study was to provide a strategy to improve the forest productivity of degraded forests. Specific objective of this research was to provide the technology of restoration of degraded forest using mycorrhizal seedlings in order to improve the forest productivity. Field experiment was conducted at Pasirmayang forest, Jambi Province; and Silviculture Laboratory, SEAMEO-BIOTROP, Bogor. Enrichment planting trials were conducted in Pasirmayang Educational Forest. The growth of mycorrhizal seedlings of Shorea javanica and Shorea selanica was better than non-inoculated seedlings. Natural invasion of Accaccia mangium seedlings disturbed the growth of Dipterocarps seedlings.

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