Resource Details

Effects of nutrient addition, mulching and planting-hole size on early performance of Dryobalanops aromatica and Shorea parvifolia planted in secondary forest in Sarawak, Malaysia

Literature: Journal Articles

Vincent, A. & Davies, S.J. 2003, "Effects of nutrient addition, mulching and planting-hole size on early performance of Dryobalanops aromatica and Shorea parvifolia planted in secondary forest in Sarawak, Malaysia", Forest Ecology & Management, vol. 180, no. 1-3, pp. 261-271.

Contact Info

sdavies@oeb.harvard.edu

Affiliations

  • Forestry Department Headquarters, Wisma Sumber Alam, 93660, Kuching, Malaysia
  • Center for Tropical Forest Science-Arnold Arboretum Asia Program, Harvard University, 22 Divinity Avenue, Cambridge, MA 02138, USA

Link(s)

Forest Ecology & Management

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Species Info

  • Dryobalanops aromatica
  • Shorea parvifolia

Description

  • In this research, three methods were tested for their ability to improve growth of dipterocarp seedlings planted in west Sarawak, Malaysia.
  • Those methods (nutrient addition, mulching and increasing plant-hole size) are thought to enhance below-ground resource availability.
  • The two species, Dryobalanops aromatica and Shorea parvifolia, were used for enrichment planting in two sites classified as nutrient-poor, post-shifting cultivation, degraded secondary forests.
  • Vegetation was slashed in 2m wide lines where the seedlings were planted; weeding was conducted around the planted seedlings every six months.
  • Total mortality was 4.2% for D. aromatica and 5.5% for S. parvifolia and did not differ significantly between species and planting treatments.
  • The authors assert that this high survival rate is rare for dipterocarp plantation experiments.
  • The effects of mulching was found to vary based on site and species, while planting hole size did not significantly affect seedling growth.
  • Nutrient addition was the treatment with the the strongest effect on seedling growth and significantly increased seedling diameter growth rates by 50%, compared with control seedlings

Geographical Region

  • Insular Southeast Asia
  • Ecosystems

  • Tropical Wet Forest
  • Country

  • Malaysia
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