Planting methods
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This article aims to explore and analyze various strategies for overcoming the limitations of conventional methods that rely on hyperaccumulating plants to uptake and accumulate metals without intervening in the substrate or the plants themselves.
12p viengfa 28-10-2024 1 1 Download
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Seed-borne rice endophytes are capable of disseminating into host plant tissues as well as to their rhizosphere. Here, we investigated the occurrence of siderophore-producing bacteria (SPB) in the seed endospheres of two distinct rice (Oryza sativa L.) cultivars, TK8 (ssp. japonica) and TCN1 (ssp. indica), and their dissemination into the rhizospheres through culture-dependent methods.
13p vibecca 01-10-2024 0 0 Download
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This study was conducted to establish the procedure for in vitro propagation of Japanese cherry (Prunus sp.) to produce large quantity of plantlets and initial planting materials for climate adaptation research of this plant in Hanoi.
9p vibecca 01-10-2024 2 1 Download
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The article shows a short review of the main methods in order to treat the type of raw material as well as some current applied technology in Vietnam. Based on the knowledge,a study to recover the iron of Kip-Tuoc tailing from the tailing pond is presented. The applied technology is the combination of a trommel screen, spiral and shaking table.
14p viyoko 01-10-2024 2 1 Download
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This article analyzes and evaluates the impact of the Yen Dinh solar power plant in Thanh Hoa, Vietnam when connected to the 22kV power grid such as: reverse power flow, overvoltage, influence of harmonics, changes operational methods for placing economic capacitors and coordinating protection when the plant is connected to the distribution grid are also calculated and analyzed.
8p viyoko 01-10-2024 3 1 Download
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It can be seen that the objects of wastewater that need to be treated are quite diverse in types and complex in terms of reaction mechanisms. The methods mainly focus on the treatment of toxic organic compounds, especially phenols or plant protection agents in industrial wastewater, paper industry, food production, textile industry, printing industry.
6p vikwong 29-09-2024 2 0 Download
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Buxus latistyla Gagnep. (Buxaceae) has been used as a remedy for treating malaria, haemoptysis, amoebic dysentery etc. However, its chemical constituents are still unknown. Thus, the aim of this study was to identify phytochemicals isolated from this plant.
7p vifaye 20-09-2024 3 1 Download
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The purpose of the dissertation: Create low molecular weight, water-soluble chitosan with antifungal ability from chitosan by the degradation method by hydrogen peroxide agent to prevent effectly the anthracnose on post-harvest fruit and vegetables (mango, banana and chili pepper)
34p tunelove 11-06-2021 39 3 Download
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Objectives of the study: Determination of technical parameters such as variety, nutrition, EC, pH, planting density and harvest time, which are suitable for growth, quality of spinach grown on recirculating hydroponic systems. From there, evaluation the effects of using artificial light (luminescence spectrum and light intensity) on the growth, yield and quality of spinach grown on recirculating hydroponic systems indoor.
26p thebadguys 08-06-2021 26 4 Download
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Aim of the thesis: Development of a new method for determining concentration of the radionuclides in enviromental samples by mean of gamma spectroscopy. Establishing a data set of the soil-plant transfer factor (TF) of radionuclides 238U, 232Th and 40K for some vegetables in Truong Sa island and that of 238U, 232Th, 40K and 137Cs for tea tree from Luong My farm, Hoa Binh province, Vietnam and evaluate the influence of natural radionuclide concentration to the soil-plant transfer process of artificial radionuclide 137Cs.
30p extraenglish 24-05-2021 23 3 Download
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The objects of the thesis: Study and develop the simultaneous analysis method of plant growth stimulants in vegetables using by high-performance liquid chromatography coupled with ion-trapping mass spectrometry. Apply the studied method of analysis and assessment of the current use, residue level and the potential accumulation of plant growth stimulants used in vegetable production in several districts belonged to Hanoi.
28p extraenglish 24-05-2021 12 2 Download
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In spite of the labor scarcity, uniform population as well as adequate plant spacing cannot be possible in the field this also one of the factor for low productivity of finger millet. To rectify these problems mechanical transplanting is only the possible way to achieve maximum production and productivity (Vasudevan et al., 2014).
6p chauchaungayxua10 19-03-2021 13 3 Download
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From the methanol extract of dried powders of Hedyotis diffusa Willd. (Rubiaceae) plant growing in Tuyen Quang Province, three compounds were isolated and identified: B-sitosterol, daucosterol and ursolic acid. Their structures were confirmed by various spectral methods (IR, NMR, MS, 1H-NMR, 13C-NMR, etc.) and by comparison with those of references.
5p larachdumlanat127 20-12-2020 29 3 Download
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Smilax glabra Roxb. is a medicinal plant of Vietnam to treat several diseases such as: Piercing pain in the bones, detoxicating, scabies, nephritis, cystitis, syphilis,... From ethanol extracts of Smilax glabra Roxb. cultivating in Thai Nguyen, 5 compounds were isolated and structurally elucidated in the first time by various spectral methods, such as IR, MS, 1H-NMR, 13C-NMR, DEPT, HSQC, HMBC.
9p larachdumlanat127 20-12-2020 19 3 Download
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Compared to regressions obtained using the traditional logarithmic transformation method, the above regressions had a much better fit. The original biomass data of the sample trees were also used to calculate the proportion of total biomass apportioned to trunk, branches, leaves and roots.
13p tamynhan8 04-11-2020 13 1 Download
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A field experiment was conducted at the experimental area of Indian Agricultural Research Institute, New Delhi, during kharif season of 2011- 2013 to evaluate the effect of different crop geometries and irrigation methods on the yield and irrigation water use efficiency of bottle gourd (Lagenaria Sicenaria L.). The experiment consisted of three crop geometries (G1 - row distance 3m and plant distance 0.5m, G2 - row distance 2m and plant distance 0.75m and G3 - row distance 1m and plant distance 1.5m) with two methods of irrigation (I1- ridge & furrow and I2 – check basin).
7p cothumenhmong7 09-09-2020 15 3 Download
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The main aim of this thesis is to overcome the second limitation of the automatic plant identification (low recognition accuracy) by proposing novel and robust methods for plant recognition. For this, we first focus on improving the recognition accuracy of plant identification based on images of one sole organ. Among different organs of the plant, we select leaf as this organ is the most widely in the literature.
27p gaocaolon6 30-07-2020 28 3 Download
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The development of fruits without fertilization is known as parthenocarpy. Parthenocarpy improves the fruit quality, processing attributes, production and productivity of vegetable crops like tomato, cucumber, watermelon etc. Absence of seeds can enhances the shelf life of the fruits, allowing a better conservation, fruit set in adverse climatic conditions, early and offseason production of vegetable crops. Therefore, it is important to ensure yield stability regardless of environmental conditions.
20p gaocaolon5 14-06-2020 16 3 Download
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Fast bus transfer method is the most popular and residual voltage transfer method that is used as a backup in medium voltage buses in general. The use of the advanced technology like open circuit voltage prediction and digital signal processing algorithms can improve the reliability of fast transfer scheme.
11p christabelhuynh 31-05-2020 18 1 Download
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The article reviews methods of transportation for various types of imported medicinal plant materials of ginseng roots from China to the Russian Federation, with due consideration for risks.
6p tohitohi 22-05-2020 27 0 Download