GENERAL INFORMATIONS
Funding agency: Ministry of Agriculture & Rural Development
Project lead organization: Vietnam Academy of Forestry Sciences
Project implementation organization: Southeastern Forest Research and Experimental Centre
Project leader: Dr. Tran Huu Bien
Implementation time: 2018-2022
TARGETS AND RESEARCH CONTENTS
Targets:
– To establish 02 ha technologically advanced Acacia auriculiformis clones (AA42, AA53, AA56, AA92, AA95) trial in the south central.
– To establish 04 ha the soil preparation and fertilizer trial in the southeast and south central.
– To establish 30 ha pilot plantation (15 ha/region) which achieve MAI of 20 m3/ha/year with at least 40% of wood volume are suitable for sawlog production in the southeast and south central at harvest.
– To select and be approved at least 02 Acacia auriculiformis clones for extension.
– To complete 01 protocol for intensive cultivation of Acacia auriculiformis.
– To transfer germplasms and intensive cultivation tecnichques of Acacia auriculiformis clone (AA42, AA53, AA56, AA92, AA95).
Research contents:
(1) Research of plantation technology:
+ Growth evaluation of Acacia auriculiformis clones (AA42, AA53, AA56, AA92, AA95) in south central Vietnam;
+ Effect of soil preparation in growth of Acacia auriculiformis plantation in the southeast and south central;
+ Effect of fertilizer in growth of Acacia auriculiformis in the southeast and south central;
(2) Transfer germplasm and establish the Acacia auriculiformis hedge orchard for propagation
(3) Establishment of Acacia auriculiformis pilot plantation
(4) Training and transferring propagation and planting techniques
Key results:
(1) Three Acacia auriculiformis clones (AA92, AA95, AA56) with mean annual increment from 20,9 to 31,5 m3/ha/year in Ba Tơ – Quang Ngai were approved for extension.
(2) Protocol for intensive cultivation Acacia auriculiformis for sawlog production was issued.
(3) Two ha clonal trial with 21,3 m3/ha/year mean annual increment; 02 ha the soil preparation trial with 19,4 m3/ha/year mean annual increment and 02 ha the fertilizer trial with 21,1 m3/ha/year mean annual increment were established
(4) Half-hectare of Acacia auriculiformis hedge orchard for propagation of 5 clones (AA42, AA53, AA56, AA92, AA95) was establised which produced an average of 800.000 cuttings/year in 2019 – 2021 period.
(5) Thirty ha pilot plantations were established with 16 m3/ha/year mean annual increment at 38 month old.
(6) Two training courses on intensive cultivation tecnichques of Acacia auriculiformis clones (AA42, AA53, AA56, AA92, AA95) for sawlog production were organized. The training courses covered 3 topics: Acacia auriculiformis propagation technique; Techniques of site management and planting; Techniques of tending, pruning and thinning. Participants were farmers of Dong Nai and Quang Ngai provinces, 50 participants/training course.
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