Enrichment planting with Fokienia hodginsii and Cinnamomum obtusifolium for forest recovery in Northern Vietnam
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Abstract. Minh NT, Thang NT, Duc DT, Bon TN, Khoi TT, Hoang NH, Tuan NV, Dung PT, Thanh HV, Trinh DC, Phuong NTT, Do TV. 2026. Enrichment planting with Fokienia hodginsii and Cinnamomum obtusifolium for forest recovery in Northern Vietnam. Asian J For 10 (1): r100104. https://doi.org/10.13057/asianjfor/r100104. This study evaluated the survival, growth, and stem quality of Fokienia hodginsii and Cinnamomum obtusifolium in enrichment planting for forest recovery. The study was conducted in Lao Cai Province, Vietnam, where F. hodginsii and C. obtusifolium were planted using the line planting technique under forest canopy conditions. Three 1,000 m² plots were established, and survival rates, growth parameters, and stem quality were assessed over four years. Results indicated high survival rates of 90.32% for F. hodginsii and 92.47% for C. obtusifolium, with no significant difference between species (p>0.05). Both species exhibited over 82% good-quality stems. While F. hodginsii showed slightly higher diameter growth (D₁.₃=2.03±0.28 cm vs. 1.88±0.15 cm) and greater height (H=2.88±0.22 m vs. 2.49±0.20 m), though these differences were not statistically significant (p>0.05). Linear correlations among growth parameters were significant for both species (p<0.005, R²=0.42-0.77), demonstrated predictable growth patterns, with both species adapting well to the site’s environmental conditions. These findings confirm the ecological compatibility and economic viability of using F. hodginsii and C. obtusifolium in enrichment planting programs. This study provides insights into optimizing restoration strategies and highlights the potential of these species to support sustainable forest management and ecological recovery in degraded tropical landscapes.
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