Relevant bibliographies by topics / Tree planting Vietnam Hoa Binh (Province)

Academic literature on the topic 'Tree planting Vietnam Hoa Binh (Province)'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Tree planting Vietnam Hoa Binh (Province)"

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Le, Hai Dinh, Thi Mai Anh Tran, and Huong Thanh Pham. "Key factors influencing forest tree planting decisions of households: A case study in Hoa Binh province, Vietnam." Forests, Trees and Livelihoods 30, no. 1 (December 18, 2020): 57–73. http://dx.doi.org/10.1080/14728028.2020.1863864.

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Nguyen, Hai X., Hong T. Tran, Ha T. T. Pham, Anh V. T. Pham, Trang T. Phan, and Ho N. Pham. "Land Improvement Solutions: Afforestation and Planting Fruit Trees and Short-Term Crops after Mine Closure in Luong Son District, Hoa Binh Province, Vietnam." Applied and Environmental Soil Science 2020 (May 8, 2020): 1–10. http://dx.doi.org/10.1155/2020/5189497.

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Luong Son is a district to the east gateway of Hoa Binh province, adjacent to Hanoi the capital and the northwest of Vietnam. Against the background of the rapidly expanding natural resources exploitation, a lack of experience in the general management of resources is obvious. The problem of serious environmental pollution occurs due to the increase of mining activities. This is especially true in mining areas located near fast-growing urban areas. In particular, after the end of the exploitation and mine closure, there is a need to improve and recover the environmental conditions in order to protect untapped mineral reserves and to keep the exploitation site in a sustainable status. This includes questions of environmental safety and soil recovery within the affected areas. This article deals with 2 types of land improvement and restoration in Luong Son district: (1) designing a method for land improvement by afforestation and (2) designing a method for land improvement by planting fruit trees and short-term crops.
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Duc, Hoang Huu, Phan Viet Cuong, Bui Van Loat, Le Tuan Anh, Nguyen Dang Minh, and Le Hong Khiem. "Correlation Between \(^{137}\text{Cs}\) and \(^{40}\text{K}\) Concentration in Soil and Tea Tree in Luong My Farm, Hoa Binh Province, Vietnam." Communications in Physics 29, no. 4 (December 16, 2019): 527. http://dx.doi.org/10.15625/0868-3166/29/4/14417.

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In this work, the correlation between 137Cs and 40K concentration in tea tree and soil in Luong My farm, Tan Thanh district, Luong Son commune, Hoa Binh province was experimentally investigated. The measurements were carried out using gamma spectroscopy with high purity germanium detector HPGe. The results showed that 40K is uniformly distributed in the soil depth while 137Cs is mainly located in 10 cm of the soil surface. Soil-plant transfer factor (TF) for 40K varies in the range of 0.491 to 0.623 and that of 137Cs is in range of 0.384 to 0.510. The concentration of these two radionuclides in tree parts is opposite to each other, while 40K is concentrated in the leave, 137Cs is mainly found in the root.
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Tien Bui, Dieu, Biswajeet Pradhan, Owe Lofman, and Inge Revhaug. "Landslide Susceptibility Assessment in Vietnam Using Support Vector Machines, Decision Tree, and Naïve Bayes Models." Mathematical Problems in Engineering 2012 (2012): 1–26. http://dx.doi.org/10.1155/2012/974638.

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The objective of this study is to investigate and compare the results of three data mining approaches, the support vector machines (SVM), decision tree (DT), and Naïve Bayes (NB) models for spatial prediction of landslide hazards in the Hoa Binh province (Vietnam). First, a landslide inventory map showing the locations of 118 landslides was constructed from various sources. The landslide inventory was then randomly partitioned into 70% for training the models and 30% for the model validation. Second, ten landslide conditioning factors were selected (i.e., slope angle, slope aspect, relief amplitude, lithology, soil type, land use, distance to roads, distance to rivers, distance to faults, and rainfall). Using these factors, landslide susceptibility indexes were calculated using SVM, DT, and NB models. Finally, landslide locations that were not used in the training phase were used to validate and compare the landslide susceptibility maps. The validation results show that the models derived using SVM have the highest prediction capability. The model derived using DT has the lowest prediction capability. Compared to the logistic regression model, the prediction capability of the SVM models is slightly better. The prediction capability of the DT and NB models is lower.
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Nguyen, Huong Thi Thuy, Giles E. St J. Hardy, Tuat Van Le, Huy Quoc Nguyen, Duc Hoang Le, Thinh Van Nguyen, and Bernard Dell. "Mangrove Dieback and Leaf Disease in Sonneratia apetala and Sonneratia caseolaris in Vietnam." Forests 12, no. 9 (September 17, 2021): 1273. http://dx.doi.org/10.3390/f12091273.

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Even though survival rates for mangrove restoration in Vietnam have often been low, there is no information on fungal pathogens associated with mangrove decline in Vietnam. Therefore, this research was undertaken to assess the overall health of mangrove afforestation in Thanh Hoa Province and fungal pathogens associated with tree decline. From a survey of 4800 Sonneratia trees, the incidence of disorders was in the order of pink leaf spot > shoot dieback > black leaf spot for S. caseolaris and black leaf spot > shoot dieback > pink leaf spot for S. apetala. Approximately 12% of S. caseolaris trees had both pink leaf spot and shoot dieback, while only 2% of S. apetala trees had black leaf spot and shoot dieback. Stem and leaf samples were taken from symptomatic trees and fungi were cultured in vitro. From ITS4 and ITS5 analysis, four main fungal genera causing leaf spots and shoot dieback on the two Sonneratia species were identified. The most frequently isolated fungal taxa were Curvularia aff. tsudae (from black leaf spot),Neopestalotiopsis sp.1 (from stem dieback), Pestalotiopsis sp.1 (from pink leaf spot), and Pestalotiopsis sp.4a (from black leaf spot). The pathogenicity of the four isolates was assessed by under-bark inoculation of S. apetala and S. caseolaris seedlings in a nursery in Thai Binh Province. All isolates caused stem lesions, and Neopestalotiopsis sp.1 was the most pathogenic. Thus, investigation of fungal pathogens and their impact on mangrove health should be extended to other afforestation projects in the region, and options for disease management need to be developed for mangrove nurseries.
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Phong, Dinh Thi, Tran Thi Lieu, Vu Thi Thu Hien, and Hoang Thanh Loc. "Nucleotide diversity of a nuclear gene ITS region and chloroplast genes (matK, rbcL, rpoC1) of Canarium nigrum in some provinces in Northern Vietnam." Vietnam Journal of Biotechnology 16, no. 3 (December 18, 2018): 439–50. http://dx.doi.org/10.15625/1811-4989/16/3/13468.

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In this study, three chloroplast genes (matK, rbcL and rpoC1) and one nuclear gene (ITS) were used to assess the nucleotide diversity for nine individuals of Canarium nigrum species in Bac Giang, Hoa Binh and Phu Tho provinces (three individuals from each province). The nucleotide sequence of the four regions (ITS, matK, rbcL and rpoC1) of C. nigrum were determined with the results showing their size to be 696 bp, 798 bp, 702 bp and 522 bp, respectively. Results of nucleotide sequence comparison for the studied samples exhibited 100% similarity for all the four gene regions. Sequence comparison with other species in the Canarium genus available in the GenBank revealed that the nucleotide diversity level (π) was the highest for the ITS gene (0.02), followed by matK (0.007), and the lowest for rbcL (0.003). The phylogenetic tree of C. nigrum with the species in Canarium genus indicated that the separation of species was the clearest for the rpoC1 gene, followed by rbcL, matK and ITS gene, with the bootrap values obtained from the branching nodes of each species ranging from 98 to 99%, 35 to 67%, 65 to 98% and 98 to 99%, respectively. The species C. nigrum had the closest nucleotide similarity to C. tramdenum (KP093200) and C. album (KP093198) for the ITS gene and to species C. subulatum (KR530509), C. acutifolium (KR530512) for matK gene region. These results suggests the rpoC1 gene region could be used as barcode for the species in genus Canarium.
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Dung, Bui Xuan, Tran Thi Tra My, Kieu Thuy Quynh, Tran Thanh Tu, Trieu Duc Tri, and Sandar Kyaw. "CLEAR-CUTTING OF ACACIA PLANTATION IN A HEADWATER CATCHMENT OF VIETNAM: ENVIRONMENTAL IMPACTS AND SOLUTIONS FOR SUSTAINABLE MANAGEMENT." Journal of Forestry Science and Technology, no. 14 (2022): 109–21. http://dx.doi.org/10.55250/jo.vnuf.2022.14.109-121.

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To assess impacts of clear-cutting at a pure Acacia plantation on soil and water quality, a 7-year-old Acacia forest within the area of 2.5 ha in Hoa Binh province was selected to investigate at 2 stages: before and after clear-cutting. 03 standard plots (500 m2/plot) at 3 positions (downhill, mid-hill and top-hill) for determining forest characteristics, 30 sampling subplots (1 m2/plot) for monitoring forest covers and some soil properties. 15 of 30 subplots were used to measure infiltration; and 4 points along forest flow were chosen to take water sampling for assessing water quality. Main findings include: (1) Forest cover decreased within the removal of tree, reduction of understory vegetation cover, litter and biomass ranged from 10 to 20%; (2) Soil quality decreased by 8.35% dropped of porosity due to the rise of 8.57% in dry bulk density; (3) Soil nutrients: Organic matter, total Phosphorus and Nitrogen amount decreased at the proportion of 20.91%, 62.86% and 27.86% respectively after clear-cutting; (4) Total infiltration rate decreased after harvesting. The positions that had high infiltration rate before clear-cutting tended to infiltrate noticeably less (Downhill: reducing from 397.7 mm to 201.2 mm); (5) Soil erosion increased significantly after cutting and was remarkably higher in comparison with other research results due to the slope of researching area; (6) Most water quality indicators were at acceptable values, however, TSS and COD were 180-time and 5.6-time higher than water standard at B1 category (water for irrigation) according to QCVN 08:2015/BTNMT; (7) Some solutions suggested for sustainable management are (a) replacing production planted forest at researching site by protection forest or natural forest or (b) remaining commercial plantation forest but adjust management methods.
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Thanh Pham, Van Huynh, Cam Thi Hong Lam, and Nghia Ngoc Nguyen. "Factors Affecting the Agricultural Restructuration: A Case of Cham Community in Chau Phu District, An Giang Province, Vietnam." International Journal of Agricultural Sciences 4, no. 2 (May 27, 2022): 53. http://dx.doi.org/10.25077/ijasc.4.2.53-61.2020.

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The national policy of agricultural restructuring plays a vital role in adapting to climate change's effects and economic development in the Mekong Delta of Vietnam. Unproductive areas have been converted into other crops with higher efficiency. Drawn by the sustainable livelihoods approach, this article explores the current situation and factors challenging the Cham community in implementing the agricultural restructuring. The mixed method included in-depth interviews, focus group discussions, and a questionnaire survey. The results showed that the Xuong Com Vang longan (Dimocarpus longan) variety has occurred in Khanh Hoa commune for a long time as an indigenous fruit tree of this area. In terms of the farming system, the polyculture system combining fruit trees and upland crops brought more income sources than the monoculture system. The asset abilities of the Cham farmers are various from one to the others. Soil and weather conditions are appropriate for planting. But farm size is small, which is one of the difficulties of developing fruit areas. Human and social assets were good since farmers had enough knowledge to manage the gardens, and a close connection existed among the Cham community. It was not a case of the financial status since a lot of money needs to be invested in the starting year. Therefore, the private loan still exists as one of the farmer's choices. For better future development, land management and financial resource should be considered for better agricultural restructuring aims. To increase farmers' incomes, create production chains helping enterprises and farmers work more efficiently for the better life of Cham gardeners in An Giang province in Vietnam.
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Phuong Giang, Nguyen, Doan Huong Mai, and Do Thi Xuyen. "Biological and ecological characteristics of Rhus tree - Toxicodendron succecdanea (L.) Kuntze planted in Da Bac district, Hoa Binh province." VNU Journal of Science: Natural Sciences and Technology 33, no. 1S (October 10, 2017). http://dx.doi.org/10.25073/2588-1140/vnunst.4642.

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Rhus tree - Toxicodendron succecdanea (L.) Kuntze is an industrial plant that provides precious and unique plastics in Vietnam. Rhus tree was originally planted in Phu Tho province, but so far many areas have been experimenting with Son and Da Bac (Hoa Binh) as one of the pilot sites for planting rhus tree. This study described the morphology and microstructure characteristics of Son trees grown in Cao Son commune, Hao Ly district, Da Bac district, Hoa Binh province. Especially latex tubes are present in both the body, roots and leaves, the number of tubes are many, usually forming the ring around the trunk and roots, the size of the tube large latex. Besides, the Ph of soil in Cao Son ranges from 3.71 to 4.32; In Hao Li from 3.68 to 3.98; Humus index in soil 0.47-3.98; N (%) is 0.08-0.25, Ca2 + is 0.25-2.5; Mg2 + is 0.5-2.38; Total phosphorus is 0.38-0.40; Phosphorus is readily digested at 43.43-59.06; Total potassium is 0.13 to 2.2. Land for growing mild soils or medium soils
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Tram, P. T. M., N. K. Suong, and L. T. T. Tien. "Effects of Plant Growth Regulators and Sugars on Ehretia asperula Zoll. et Mor. Cell Cultures." Indian Journal Of Agricultural Research, Of (February 3, 2021). http://dx.doi.org/10.18805/ijare.a-609.

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Background: Belonging to the Boraginacae family, Ehretia asperula Zoll. et Mor., called “Xa den”, is a precious medicinal plant also known as the “cancer tree” by the Muong ethnic group in Hoa Binh Province, Vietnam. Xa den has been demonstrated to inhibit the development of malignant tumors, reduce oxidation and enhance the human immune system. This research focused on examining friable callus induction from young stems of Ehretia asperula Zoll. et Mor. Methods: Samples of Xa den were less than two years old. Young stems with 2 to 6 leaves served as explants for callus induction. Explants placed on autoclaved B5 nutrients incubated at 25oC, in the dark. The testing factors were concentrations of 2,4-Dichlorophenoxyacetic acid (2,4-D) and Benzyl adenine (BA), types and concentrations of sugars.Result: Friable callus was induced on B5 medium with 0.4 mg/L of 2,4-D, 0.1 mg/L of BA and 30 g/L of glucose at the highest rate (100%). Additionally, callus grew best after 5 weeks of culture weighing 0.194 g. Friable callus was used as material for cell suspension cultures. After two weeks, the Xa den cell suspension cultures contained single cells and small cell clumps. The liquid medium had changed from dark yellow to light brown.
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Dissertations / Theses on the topic "Tree planting Vietnam Hoa Binh (Province)"

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Tran, Da Binh. "Potential to integrate high-value native tree species into the upland farming systems of Hoa Binh Province, Vietnam." Thesis, 2006. http://hdl.handle.net/2440/69428.

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This study examines the potential for integrating high-value native-tree species into the farming systems of upland households in Hoa Binh Province, North Vietnam. The fieldwork undertyaken during March to June 2005 involved Participatory Appraisal survey methods in four villages representing the range of physical and social environments of upland farming systems in Hoa Binh Province.
Thesis (M.Ag.Sc.) -- University of Adelaide, School of Agriculture, Food and Wine, 2006
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