Importance of weed control prior to planting for the establishment of planted forests in Sabah, Malaysia

Agustan Aiwí; Mahadir Lapammu; Y Jarapudin; Kevin Molony; David Boden; Paul MacDonell; Paul Warburton; Jeremy Brawner; Roger Meder

doi:10.26525/jtfs2020.32.4.349

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Importance of weed control prior to planting for the establishment of planted forests in Sabah, Malaysia

Journal article

Peer reviewed

Importance of weed control prior to planting for the establishment of planted forests in Sabah, Malaysia

Agustan Aiwí, Mahadir Lapammu, Y Jarapudin, Kevin Molony, David Boden, Paul MacDonell, Paul Warburton, Jeremy Brawner and Roger Meder

Journal of Tropical Forest Science, Vol.32(4), pp.349-354

2020

DOI: https://doi.org/10.26525/jtfs2020.32.4.349

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Abstract

Productivity

Trees

Weed control

Forests

Fertilization

Plantations

Factorial experiments

Fertilizers

Herbicides

Experimental design

Canopies

Residual effects

Remediation

Closures

Design of experiments

Planting

Weeds

The establishment of fast-growing trees in the production forests of Sabah, Malaysia may be severely compromised if weed control, during the initial months following site preparation, is inadequate. A two-way factorial experimental design, comparing levels of manual and chemical weed control, with and without fertilisation at planting, was used to demonstrate significant impacts on the mean tree volume of Acacia mangium trees, 3½ years after plantation establishment. Eliminating weeds at 23 months, with remedial treatment across the factorial experiment, demonstrated little residual effects. No productivity benefit was observed at 14 months, after remedial weed control at 23 months post-establishment, nor was there any productivity gain observed at 10 months, after remediation application of fertiliser at 26 months post-establishment. The results emphasised the need for weed control during site preparation, including complete chemical weed control prior to planting and quarterly until canopy closure.

Details

Title: Importance of weed control prior to planting for the establishment of planted forests in Sabah, Malaysia
Authors: Agustan Aiwí (Author) - Sabah Softwoods Bhd.
Mahadir Lapammu (Author) - Sabah Softwoods Bhd.
Y Jarapudin (Author) - Sinamatella Ltd
Kevin Molony (Author) - Sinamatella Ltd
David Boden (Author) - Boden & Associates
Paul MacDonell (Author) - Forestry Research Services
Paul Warburton (Author) - Nur-Seed Pty Ltd
Jeremy Brawner (Author) - University of the Sunshine Coast, Queensland, Forest Industries Research Centre
Roger Meder (Author) - University of the Sunshine Coast, Queensland, Forest Industries Research Centre
Publication details: Journal of Tropical Forest Science, Vol.32(4), pp.349-354
Publisher: Forest Research Institute Malaysia
Date published: 2020
DOI: 10.26525/jtfs2020.32.4.349
ISSN: 2521-9847; 0128-1283
Organisation Unit: Tropical Forests and People Research Centre; Forest Industries Research Centre; Forest Research Institute
Language: English
Record Identifier: 99502308002621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Forestry

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