Carbon input to forest ecosystem is mainly from Net Primary Production (NPP), therefore estimating NPP becomes important to understand the global carbon cycle. In this study, allometry for aboveground biomass increment (ΔAGB) and litter trap technique for litterfall (LF) were use...
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Research Article10.9734/ajarr/2020/v8i430207
Tran Van Do, Dang Van Thuyet, Nguyen Toan Thang, Phung Dinh Trung, Vu Tien Lam, Tran Duc Manh, Pham Dinh Sam, Vu Van Thuan, Nguyen Quang Hung, Pham Tien Dung, Ninh Viet Khuong, Dao Trung Duc, Tran Hoang Quy, Nguyen Huy Hoang & Dinh Hai Dang·Asian Journal of Advances in Agricultural Research·2018
To increase productivity of forest plantation, fertilization has been widely applied, especially in poor soil condition, of which Nitrogen (N), Phosphorous (P), Potassium (K) and compost are usually used. The amount is decided basing mainly on species and soil condition. The obje...
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Research Article10.9734/AJAAR/2018/41890
Tran Van Do, Dang Van Thuyet, Nguyen Toan Thang, Phung Dinh Trung, Ly Thi Thanh Huyen, Nguyen Thi Thu Phuong, Dang Hai Ha, Nguyen Van Tuan, Le Thi Hanh, Hoang Thi Nhung & Tran Hong Van·Asian Journal of Soil Science and Plant Nutrition·2018
Acacia plantations have been contributing to national economic and livelihood of millions people living in rural areas of Vietnam. It has been widely planted and accounted for nearly 50% areas of plantations in Vietnam. In this study, different planting densities including 1,110...
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Research Article10.9734/AJSSPN/2018/41258
Fertilization has been widely applied to increase and sustain productivity of plantations, especially in poor soils. N, P, K, and compost are usually used for forest plantation in Vietnam. The amount of fertilizer and rates of concerned nutrient are decided basing on species and...
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Research Article10.9734/JALSI/2017/34069
There are more than 3,200 km shoreline and 3,000 islands with more than 408,000 ha of mangrove forests in Vietnam. A total of 77 mangrove species were found in Vietnam including Rhizophora mucronata, R. apiculata, R. stylosa, Kandelia candel, Avicennia alba, Sonneratia caseolaris...
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Research Article10.9734/ARRB/2015/16843
Ba Vi National Park (BNP) is known as one of the first parks established in Vietnam and has been well preserved against human disturbances. A study was conducted to understand altitudinal changes and aspect differences of species diversity and stand structure in evergreen broadle...
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Research Article10.9734/ARRB/2015/14867
Agroforestry has been practiced for a long time in Vietnam. In this study, the cost-benefit was analyzed in four agroforestry systems, which have been widely established in north mountainous provinces with Star Anise (Illicium verum) + tea (IT), bead tree (Melia azedarach) + cass...
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Research Article10.9734/AJAEES/2015/15750
Aims: Apply different silvicultural approaches to improve oil productivity and quality from abandoned stands and analyze cost-benefit of developing tea oil camellias. Study Design: Three experiments were conducted as (1) Changing canopy of 36-year-old plantation by grafting, (2)...
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Research Article10.9734/AJAEES/2014/6377
This study examines the former Gia Lai province as it existed prior to the July 2025 administrative merger with Binh Dinh province; all data and analyses refer exclusively to pre-merger boundaries. The former Gia Lai was located in the northern Central Highlands of Vietnam. With...
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Research Article10.9734/ajraf/2026/v12i2488
Cutting propagation plays a vital role in producing high-quality seedlings from superior genotypes for establishing intensive plantations, as this method preserves the genetic characteristics of selected mother trees while enabling rapid, large-scale multiplication. Among the var...
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Research Article10.9734/jeai/2026/v48i104500
Carya tonkinensis Lecomte is a multipurpose tree species, naturally distributing in India, China, and Vietnam. Extract from leaves of C. tonkinensis contains pinostrobin acting as anti-bacteria and anti-infection. It is used as traditional medicine. Seeds are edible and contain o...
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Research Article10.9734/ajraf/2018/v2i430023
Tran Duc Manh, Nguyen Toan Thang, Dao Trung Duc, Nguyen Thi Thu Phuong, Mai Thi Linh, Nguyen Thuy Duong, Ly Thi Thanh Huyen & Tran Van Do·Asian Plant Research Journal·2026
Camellia kirinoi is a golden camellia whose flowers have been used for human healthcare. Seedling production through cutting propagation provides uniform plant material and enables large genetic gains from superior genotypes for increased production. In this study, the effects of...
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Research Article10.9734/aprj/2026/v14i5401
Trinh Ngoc Bon, Mai Thi Linh, Dao Trung Duc, Pham Quang Tuyen, Nguyen Thi Hoai Anh, Nguyen Thuy Duong, Truong Trong Khoi & Tran Van Do·Asian Plant Research Journal·2026
Camellia mairei var. lapidea belongs to Theaceae family, which has beautiful red flowers used as ornamental plant and seed oil is edible. In this study, C. mairei var. lapidea was first found to have natural distribution in Northwest Vietnam. It grows naturally in an evergreen br...
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Research Article10.9734/aprj/2026/v14i2366
Trinh Ngoc Bon, Pham Quang Tuyen, Hoang Thanh Son, Nguyen Thi Hoai Anh, Bui Thanh Tan, Nguyen Thanh Son, Nguyen Quang Hung, Nguyen Thi Van Anh & Tran Van Do·Asian Journal of Research in Botany·2019
Ginsengs are perennial forest herbs, belonging to genus Panax L. A species of ginseng was found in Tuyen Quang province, North Vietnam and named as Panax sp. – Tuyen Quang ginseng. Understanding the ecology, morphology, and saponin of Tuyen Quang ginseng becomes important for dev...
Nguyen Toan Thang, Tran Duc Manh, Dao Trung Duc, Mai Thi Linh, Nguyen Thi Thu Phuong, Bui Thanh Tan, Nguyen Thuy Duong, Nguyen Viet Cuong, Ly Thi Thanh Huyen & Tran Van Do·Advances in Research·2026
Camellia impressinervis is a golden camellia whose yellow flowers have been widely used for healthcare. To produce seedlings from superior genotypes for intensive plantation, cutting propagation has been widely applied because of its simple technique and high rooting efficiency....
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Research Article10.9734/air/2026/v27i51737
Nguyen Toan Thang, Nguyen Quang Hung, Vu Tien Lam, Trinh Ngoc Bon, Tran Hoang Quy, Nguyen Huu Thinh, Duong Quang Trung, Nguyen Thi Thu Phuong, Dao Trung Duc & Tran Van Do·Asian Journal of Advances in Agricultural Research·2026
Persian walnut (Juglans regia L.) is one of the most economically important cultivated tree species worldwide, valued for both its high-quality timber and nutritionally valuable nuts. Walnut kernels are also recognised for their potential health-promoting properties, owing primar...
Open access
Research Article10.9734/ajaar/2026/v26i9758
Dao Trung Duc, Nguyen Toan Thang, Tran Hoang Quy, Hoang Van Thanh, Vu Tien Lam, Tran Duc Manh, Nguyen Thi Thu Phuong, Hoang Thi Nhung, Le Thi Bich Thao, Ly Thi Thanh Huyen & Tran Van Do·Asian Journal of Agricultural and Horticultural Research·2026
Ardisia gigantifolia Stapf (Khôi tía), a shade-tolerant medicinal shrub of high pharmacological and economic value, is increasingly cultivated as a non-timber forest product under forest canopies in northern Vietnam. This study investigated leaf morphological parameters (length,...
Open access
Research Article10.9734/ajahr/2026/v13i3501
Tran Hai Long, I. M. Sangjun, Trieu Thai Hung, Qiwen Li, Ninh Viet Khuong, Nguyen Van Tuan, Tran Hoang Quy, Trinh Ngoc Bon, Tran Cao Nguyen, Le Thi Thu Hang & Tran Van Do·Annual Research & Review in Biology·2020
An ecological understanding of natural forests after anthropogenic intervention is important for sustainable forest management. This study analyzed the overstory characteristics (species composition, growth, and diameter distribution) and regeneration (species richness, density,...
Open access
Research Article10.9734/arrb/2020/v35i1230321
Tran Duc Manh, Nguyen Toan Thang, Hoang Thanh Son, Dang Van Thuyet, Phung Dinh Trung, Nguyen Van Tuan, Dao Trung Duc, Mai Thi Linh, Vu Tien Lam, Nguyen Huu Thinh, Nguyen Thi Thu Phuong & Tran Van Do·Archives of Current Research International·2019
Golden camellias or yellow camellias are species belonging to genus Camellia L., family Theaceae. Fifty two species were described in southern China and Vietnam. Active ingredients such as polysaccharides, polyphenols, saponins, and flavonoids are well known characteristics of go...
Open access
Research Article10.9734/acri/2019/v16i230085
Trinh Ngoc Bon, Trieu Thai Hung, Phung Dinh Trung, Tran Cao Nguyen, Dang Thi Hai Ha, Nguyen Thi Hoai Anh, Hoang Thanh Son, Tran Hai Long, Pham Quang Tuyen, Ninh Viet Khuong, Tran Hoang Quy, Vu Van Nam & Tran Van Do·Journal of Pharmaceutical Research International·2020
Background: Anoectochilus orchids have been widely used as medicine. However, it has been overharvested in nature because of high commercial values. This study aims at identifying distribution ranges and ecological characteristics of Anoectochilus orchids serving for sustainable...
Open access
Research Article10.9734/jpri/2020/v32i1130551
Pham Tien Dung, Do Van Ban, Pham Quang Tuyen, Phung Dinh Trung, Nguyen Huy Hoang, Luu Quoc Thanh, Ninh Viet Khuong, Nguyen Van Tuan, Tran Hai Long, Bui Thanh Tan, Nguyen Huu Thinh, Bui Huu Thuong, Pham Thi Quynh & Tran Van Do·Asian Journal of Advanced Research and Reports·2020
Soil provides nutrients, water, and growing space for plants, and thus is the basis for life on earth. Soil nutrient availability impacts productivity of terrestrial ecosystems i.e. forest. However, support for this phenomenon in the tropics remains elusive. In this study, the ef...
Open access
Research Article10.9734/ajarr/2020/v12i230285
Nguyen Van Tuan, Phung Dinh Trung, Tran Duc Manh, Nguyen Toan Thang, Dang Van Thuyet, Dao Trung Duc, Mai Thi Linh, Nguyen Thi Thu Phuong, Ninh Viet Khuong, Vu Tien Lam, Nguyen Huu Thinh, Hoang Thanh Son, Trinh Ngoc Bon, Ho Trung Luong, Vu Van Thuan & Tran Van Do·Asian Journal of Agricultural and Horticultural Research·2019
Camellia impressinervis is known as a golden camellia, naturally distributing in China and Vietnam. Leaves and flowers of golden camellias contain active ingredients such as polysaccharides, polyphenols, saponins, and flavonoids. It was found to be able to inhibit the transplante...
Open access
Research Article10.9734/ajahr/2019/v3i330000
Pham Tien Dung, Bui Thi Minh Nguyet, Nguyen Toan Thang, Truong Tat Do, Nguyen Huy Hoang, Hoang Van Thanh, Nguyen Van Tuan, Dao Trung Duc, Nguyen Trong Minh, Nguyen Thi Thu Phuong, Hoang Thanh Son, Vu Tien Lam, Tran Hoang Quy, Truong Trong Khoi, Tran Ngoc The, Dao Cong Trinh & Tran Van Do·International Journal of Environment and Climate Change·2025
This research evaluates the current status of area and distribution of natural evergreen broadleaf forests classified as poor production forests across Northeast Vietnam based on 2023 national forest data. Mounting pressures on natural forest resources-including overexploitation...
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Research Article10.9734/ijecc/2025/v15i125171
Nguyen Toan Thang, Dang Van Thuyet, Nguyen Quang Hung, Vu Tien Lam, Ninh Viet Khuong, Phung Dinh Trung, Tran Hoang Quy, Nguyen Huu Thinh, Pham Quang Tuyen, Hoang Thanh Son, Trinh Ngoc Bon, Ho Trung Luong, Nguyen Van Tuan, Duong Quang Trung, Nguyen Thi Thu Phuong, Dao Trung Duc & Tran Van Do·Asian Journal of Advanced Research and Reports·2019
Persian walnut, Juglans regia L., is a long-lived, wind-pollinated and deciduous tree, which produces large, woody, shelled and edible nuts. J. regia is one of the most economically important cultivated species for timber and nutritious nuts. Its nuts have medicinal importance fo...
Open access
Research Article10.9734/ajarr/2019/v5i130123
Nguyen Toan Thang, Vu Tien Lam, Dang Van Thuyet, Phung Dinh Trung, Pham Dinh Sam, Tran Hoang Quy, Nguyen Thi Thu Phuong, Ly Thi Thanh Huyen, Nguyen Huu Thinh, Nguyen Van Tuan, Dao Trung Duc, Dang Thi Hai Ha, Duong Quang Trung, Ho Trung Luong, Nguyen Thi Hoai Anh, Mai Thi Linh & Tran Van Do·Asian Journal of Research in Agriculture and Forestry·2019
Net primary production (NPP) is an important index for understanding carbon cycling in forest ecosystems. In this study, aboveground NPP at Acacia mangium plantation was estimated basing on allometry for aboveground biomass increment (ΔM) and litter trap technique for litterfall...
Open access
Research Article10.9734/ajraf/2019/v3i330038
Phung Dinh Trung, Tran Duc Manh, Nguyen Toan Thang, Dang Van Thuyet, Dao Trung Duc, Mai Thi Linh, Nguyen Van Tuan, Nguyen Thi Thu Phuong, Ninh Viet Khuong, Tran Hoang Quy, Tran Cao Nguyen, Dang Thi Hai Ha, Vu Tien Lam, Nguyen Huu Thinh, Hoang Thanh Son, Trinh Ngoc Bon, Ho Trung Luong, Ly Thi Thanh Huyen, Hoang Van Thanh, Vu Van Thuan & Tran Van Do·Asian Journal of Research in Crop Science·2019
Plus tree selection is the first step to improve production and quality in forestry. An individual-based method is widely used to select plus trees for timber production, timber form, freedom from diseases and insects. In this study, a method to select plus trees for flower produ...
Open access
Research Article10.9734/ajrcs/2019/v4i130063