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300 results about "Freeze injury" patented technology
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Definition of Freezing injury. Freezing injury means that the roots shall be of a normal color and only moderately affected by discol- ored roots which affect the normal growth of the plant. Black roots caused by disease shall not be permitted. ( d) "Broken or split crowns, mechanical injury" means the breaking or severance...
Plant antifreezer and its preparation method
Owner:DAQIAN ECOLOGY & LANDSCAPE
Pesticide composition for relieving phytotoxicity of herbicide
ActiveCN102960341APromote protoplasm flowIncrease vitalityPlant growth regulatorsBiocideVerticillium speciesFreeze injury
The invention relates to a pesticide composition for relieving the phytotoxicity of herbicide. Effective components are a plant growth regulating agent and active polysaccharide, wherein the plant growth regulating agent is any one or a mixed agent of two of compound nitrophenolate and diethylaminoethyl hexanoate; the active polysaccharide is any one or a mixed agent of two of chitosan oligosaccharide and poly-glucosene; and the pesticide composition comprises the effective components in parts by weight of 0.05-90.0 parts of the plant growth regulating agent and 0.05-90.0 parts of the active polysaccharide. The pesticide composition comprehensively utilizes the synergism effect of the plant growth regulating agent and the active polysaccharide to resist disease source force and relieve the phytotoxicity of the herbicide. The pesticide composition is further applicable to crop exogenous damages including hormone phytotoxicity, low-temperature frozen injury, salt alkaline injury and the like, and also can be used for crop diseases of crops virus diseases, verticillium wilts and the like.
Owner:郭红甫
Compound plant anti-freezing agent and preparation method thereof
InactiveCN103922840AImprove cold resistanceImprove solubilityBiocidePlant growth regulatorsTectorial membraneAdenosine
The invention discloses a compound plant anti-freezing agent and a preparation method thereof, aiming at the problems of single function and short protection period of the traditional plant anti-freezing agent. The compound plant anti-freezing agent comprises the following ingredients: 8-12% of a film-forming agent, 4-6% of saccharide, 10-16% of an anti-freezing reagent, 0.8-1.6% of an anti-freezing element, 4-6% of a micro element fertilizer, 0.2-0.4% of vitamin, 0-2% of a growth regulating agent, 1.2-2% of a surfactant and 60% of magnetized water. The compound plant anti-freezing agent is characterized in that the magnetized water is used for replacing common water to improve the activity of the anti-freezing agent. On one hand, one layer of protective film can be formed on the surface of the plant so as to perform the functions of resisting cold, preventing freezing and reducing transpiration water loss. On the other hand, the content of saccharide in plant cells can be improved, the activity of plasma membrane ATP (adenosine tTriphosphate) enzyme is increased, the phenomena of freezing in cells and cell freezing dehydration are avoided, and therefore the influence on the plant by freezing injury is effectively lowered.
Owner:QINGDAO UNIV
Chinese rose or rose rapid propagation method by utilizing non-thorn multiflora for no-root grafting
InactiveCN103598023AIncrease productivityShorten seedling timeHorticultureRootstockPlant propagation
The invention belongs to the technical field of plant propagation, in particular to a Chinese rose or rose rapid propagation method by utilizing a non-thorn multiflora for no-root grafting. The method includes 1, shearing a branch of an annual non-thorn multiflora, cutting the branch with the length of 15 to 20 cm, and keeping 1 to 2 buds to serve as grafting rootstocks; 2, selecting an annual or less annual Chinese rose or rose to serve as scions, cutting the Chinese rose or rose with the length of 10 to 15 cm, and keep 1 to 2 buds; 3, grafting the scions to the rootstocks by the grafting method, tying through a plastic film tightly, and cutting cuttings into growing matrix; 4, shielding, moisturizing and preventing the cuttings from freezing injury; when buds sprout in the next year, keeping the buds sprouted on the scions, and removing the buds sprouted on the rootstocks; 5, transplanting obtained cutting seedlings to the field after 45 d. By the aid of the method, survival rate is high, growth potential of the seedlings is strong, and the seedlings can be propagated annually.
Owner:HUAZHONG AGRI UNIV
Tunnel anti-freezing dehumidification system
InactiveCN103437799APrevent frostbiteFreezing damage will not occurUnderground chambersTunnel/mines ventillationElectricityAnti freezing
The invention provides a tunnel anti-freezing dehumidification system, and belongs to the technical field of tunnel engineering. The tunnel anti-freezing dehumidification system solves the problems that an existing tunnel is low in temperature and high in humidity. The tunnel anti-freezing dehumidification system comprises a plurality of solar heat collection pipelines and a plurality of electric heating pipes I, wherein the solar heat collection pipelines are arranged at a tunnel portal, the electric heating pipes I are arranged inside a tunnel, one end of each solar heat collection pipeline is a closed end, and the other end of each solar heat collection pipeline is connected with a heating pipeline; electric heating pipes II are further arranged in the solar heat collection pipelines and connected with a storage battery pack II; the electric heating pipes I are evenly arranged on the two side walls inside the tunnel and connected with a storage battery pack I; a solar cell panel and a windmill set are also arranged at the tunnel portal, wherein the solar cell panel is connected with the storage battery pack I, and the windmill set is connected with the storage battery pack II. The tunnel anti-freezing dehumidification system can heat the tunnel so as to prevent rails from freeze injury and can dehumidify the tunnel so as to prevent the rails from rotting at the same time.
Owner:ZHEJIANG OCEAN UNIV
Railroad bed repair method without affecting existing running conditions
InactiveCN102071607AImprove waterproof and drainage performanceImprove bearing capacityTrack maintainenceSoil preservationFrostFreeze injury
The invention discloses a railroad bed repair method without affecting existing running conditions. The method comprises the following steps of: determining the destroy section position and the destroy type of a bed; drilling grouting holes on two sides of the destroy section bed; determining a grouting method and a grouting material according to the destroy type and the destroy section position; and grouting the grouting material into the bed by using the grouting method through the grouting holes. The construction of the scheme does not occupy the railway running space, does not affect normal running of the railway, and can perform reinforcement from the surface of the bed to the deep place of dozens of meters below the bed. The foundation and the ground surface do not need to be dug during construction, so the method has low labor intensity, high mechanization degree and short construction period, effectively treats frost boiling, sinking, extrusion, freezing injury and the like, improves the bearing capacity of the bed and improves the drainage resistance of the bed.
Owner:北京中铁瑞威基础工程有限公司
Method for improving quality of kiwi fruit and special high-quality fruit comprehensive agents
The invention provides a method for improving quality of kiwi fruit and special high-quality fruit comprehensive agents. According to the method, a high-quality fruit agent No.1 capable of increasing color, sugar, hardness and yield and preventing diseases is used after fruit picking, before and after blooming an during base fertilizer application; a high-quality fruit agent No.2 capable of thickening cell walls and increasing cell density is used in a fruit swelling period, a fruit strengthening period and a fertilizer application period, wherein weight ration of the high-quality fruit agents No.1 and No.2 to water is 1:400-600, the high-quality fruit agent No.1 can be sprayed on leaves or applied to soil once after fruit picking, before and after blooming an during base fertilizer application, the high-quality fruit agent No.2 can be applied twice, once every a half month, in the fruit swelling period, the fruit strengthening period and the fertilizer application period. Through adoption of the method and the special high-quality fruit comprehensive agents, the internal quality and external fruit shape, color, storability and freeze injury resistance of kiwi fruit can be improved, the use is convenient, the cost is reduced, kiwi fruit trees become strong and can bloom and bear fruits easily, the quality of fruits is improved greatly, the disease resistance is enhanced and yellows can be prevented and controlled.
Owner:建宁县富农果蔬专业合作社
A hemopoietic stem cell cryopreserving solution, and a hemopoietic stem cell cryopreserving method
InactiveCN107094753AImprove protectionDrop in recovery rateDead animal preservationHydroxyethyl starchCell culture media
The invention relates to the technical field of cytobiology, and particularly relates to a hemopoietic stem cell cryopreserving solution, and a hemopoietic stem cell cryopreserving method. The cryopreserving solution includes following raw materials by weight: 10-20 mL of dimethyl sulfoxide, 6-10 g of hydroxyethyl starch, 4-8 mL of a cell culture medium, 6-10 mL of human serum albumin, and 60-100 mL of human autologous plasma. The formula of the cryopreserving solution is simple, and the raw materials are cheap. The cryopreserving solution can effectively protect hemopoietic stem cells from freezing injuries, is high in safety and low in cell injuries, can increase the resuscitation survival rate of hemopoietic stem cells. The survival rate after resuscitation can be 96% or above, and after resuscitation, the cell viability is high, the quantity of cell proliferation is high, the cells are not liable to age, physiological functions and biological characteristics of the hemopoietic stem cells after resuscitation can be ensured, and microbe detection indexes meet requirements. The survival time of the hemopoietic stem cells is prolonged.
Owner:DONGGUAN BOALAI BIOLOGICAL TECH CO LTD
Compound fertilizer
InactiveCN101817703ANo pollution in the processAdjustable hardeningFertilizer mixturesContinuous croppingFreeze injury
The invention discloses a compound fertilizer, which consists of the following raw materials: 6 percent of fulvic acid, 0.5 percent of magnesium sulfate, 0.5 percent of ferrous sulfate, 1 percent of zinc sulfate, 2 percent of ammonium sulfate, 0.5 percent of manganese sulfate, 0.2 percent of ammonium molybdate, 1.2 percent of borax, 6 percent of superphosphate, 25 percent of polypeptide urea and 15 percent of potassium sulfate. The compound fertilizer has the advantages of adjusting too low or too high soil acidity or alkalinity, resisting salinity and alkalinity, improving hardened soil, promoting the growth of crops, improving disease-resistant capacity of the crops, resisting lodging, resisting continuous cropping, resisting plant diseases and insect pests, resisting freeze injury, protecting soil against water loss, improving drought resistance capacity, improving the yield of the crops, improving the quality of the crops, vegetables, melons and fruits, improving the original quality and taste of the vegetables, melons and fruits, and prolonging the refreshing time thereof.
Owner:李金伟
Natural cold-resistant agent for tea trees and preparation method for natural cold-resistant agent
InactiveCN102887786AImprove cold resistanceNo pollutionBiocidePlant growth regulatorsBiotechnologyAbscisic acid
The invention discloses a preparation capable of improving the cold resistance of tea trees and a preparation method for the preparation. Late spring cold greatly affects the production of tea, but an effective cold-resistant agent which ensures that the tea trees are free from freezing injury is not invented at present. The preparation mainly comprises bamboo vinegar, physiological cold-resistant substances, a growth promotion substance, an acidity regulator and the like. The preparation method comprises the following steps of: 1, taking the required bamboo vinegar in a proportion, adding a lot of trace elements which are required to be mixed, and stirring until the trace elements are dissolved; 2, dissolving physiological cold-resistant substances which are required to be mixed such as abscisic acid into absolute ethanol; 3, mixing a solution obtained in step 1 and a solution obtained in step 2, adding a proper amount of acidity regulator, regulating until the PH value is appropriate, stirring until the acidity regulator is dissolved, adding other physiological cold-resistant substances, and stirring until the physiological cold-resistant substances are dissolved; 4, dissolving a growth hormone which is required to be mixed into hot absolute ethanol, and fixing the volume by using the bamboo vinegar; and 5, mixing a solution obtained in step 3 and a solution obtained in step 4, and uniformly blending to obtain the preparation. The preparation is characterized in that a natural organic substance is taken as a main raw material, and the preparation can be safely used, does not pollute the environment, and can remarkably improve the cold resistance of the tea trees.
Owner:CHINA JILIANG UNIV
Multi-temperature-region ice-temperature fresh keeping storehouse and fresh keeping method for bergamot pears
ActiveCN106472659AQuality impactGuaranteed qualityLighting and heating apparatusStationary refrigeration devicesPEAREngineering
Owner:SOUTH CHINA UNIV OF TECH
Tissue sample preservative solution and preparation method thereof
The invention discloses a tissue sample preservative solution used for preserving tissue samples, such as fat, umbilical cords, placentas and the like, after collection and before separation. The tissue sample preservative solution mainly comprises following components: high-glucose DMEM dry-powder culture medium, sodium bicarbonate, DMSO, dexamethasone, insulin, penicillin, streptomycin, amphotericin and a heparin sodium injection. The high-glucose DMEM dry-powder culture medium and the sodium bicarbonate are used for maintaining osmotic equilibrium among cells inside and outside tissue, maintaining a pH value, maintaining a moistening situation of the tissue and providing nutritional components. The DMSO is a freeze-storage protective agent and can prevent freeze-injuries on the tissue samples. The dexamethasone can inhibit immunization and protect activity of stem cells in the tissue sample; the insulin can promote absorption and utilization of the tissue sample to glucose. The penicillin, the streptomycin and the amphotericin can prevent pollution from bacteria and moulds and can eliminate pollution which has occurred. The heparin sodium injection can prevent blood solidification in the tissue samples and increase a yield of the stem cells. The tissue sample preservative solution is simple in components, is low in cost, is convenient to use, can maintain activities of the stem cells in the tissue samples, such as fat, umbilical cords, placentas and the like, and can greatly reduce a time limit from collection to preparation of the tissue samples.
Owner:上海鑫曙医疗科技有限公司
Plant antifreeze containing ribitol substances
The invention relates to plant antifreeze containing ribitol substances. With the adoption of the plant antifreeze, the problem that freezing injury on growing crops due to late spring cold and cold currents can be effectively solved. According to the technical scheme solving the problem, the plant antifreeze is prepared from the components in percentage by weight: 6-13 percent of nucleotide, 6-13 percent of glucose, 6-13 percent of amino acid, 6-13 percent of glycerol, 4-8 percent of zinc sulfate, 5-10 percent of ferrous sulfate, 3-5 percent of copper sulfate, 3-5 percent of magnesium sulfate, 3-5 percent of borax, 2-3 percent of manganese sulfate, 3-5 percent of citric acid, 5-10 percent of urea, 3-5 percent of potassium dihydrogen phosphate and 18-22 percent of water. The plant antifreeze is simple in method, good in the using effect, comprehensive in nutrition, high in concentration and good in absorption, and is the very good plant antifreeze containing the ribitol substances for crops under the adverse climate conditions of severe cold, the late spring cold and the like.
Owner:新疆高冠土壤研究所
Chitosan-based anti-freezing antibacterial spraying agent for cutting surfaces of rubber trees and preparation method thereof
InactiveCN102524316AGood antibacterial effectGood antifreeze and antibacterial effectBiocidePlant growth regulatorsDiseasePolyvinyl alcohol
The invention discloses a chitosan-based anti-freezing antibacterial spraying agent for cutting surfaces of rubber trees and a preparation method thereof. The spraying agent contains active ingredients, an additive and a propellant. The active ingredients comprise chitosan, tea-tree essential oil, polyvinyl alcohol, a plant growth regulator and glacial acetic acid. The spraying agent can form a layer of cold-proof antibacterial protective film on cutting surfaces of rubber trees, and not only enables the cutting surfaces of the rubber trees to avoid freezing injury and live through the wintersafely and protects the cutting surfaces from bark cracking and gummosis, but also is capable of protecting the cutting surfaces of the rubber trees from infection of pest and disease damages of strip canker, bark beetle and the like. The spraying agent is mild in preparation conditions and simple in preparation process, industrialized production of the chitosan-based anti-freezing antibacterial spraying agent is easy, and the chitosan-based anti-freezing antibacterial spraying agent is convenient to carry and simple to operate.
Owner:AGRI PRODS PROCESSING RES INST CHINESE ACAD OF TROPICAL AGRI SCI
Nutrient solution for preventing frost damage of plant and production method
InactiveCN101485340ANormal growthIncrease productionBiocidePlant growth regulatorsForest industryHydrolysate
The invention relates to a plant freezing injury resistant nutrient solution containing potassium hydroxide hydrolysate of plant seed dregs and peat, phosphoric acid, a microelement fertilizer and polyatomic alcohol and a preparation method thereof. The nutrient solution has the functions of promoting photosynthesis of plants, reducing the moisture in plant cells, preventing membrane lipid from being converted from liquid to gel at low temperature, has the advantages of reasonable formulation, low energy consumption in production, simple and convenient production technique, convenient use, increase of the crop output, reduction of the labor intensity, and the like, and has wide application in the fields of agriculture, forestry and the like.
Owner:宫玲玲
Method for storing and refreshing fruits through ozone ice film
InactiveCN102450316AInhibition of transpirationDelay the ripening processFruits/vegetable preservation by coatingFruits/vegetable preservation by freezing/coolingMicroorganismTranspiration
The invention relates to a method for storing and refreshing fruits. The method for storing and refreshing fruits through an ozone ice film provided by the invention is as follows: based on the storing environment below 0DEG C, a manual ice film containing ozone gas is formed on the surfaces of the fruits through an ozone water soaking method, the ice film not only can inhibit the transpiration and water loss of the surfaces of the fruits and can prevent the occurrence of damage caused by low temperature and freeze injury, but also can kill the various types of microorganism on the surfaces of the fruits, oxidize the substances released by the fruits, such as ethylene, ethanol and the like, and delay the after-ripening process of the fruits. By using the method provided by the invention, the fruit storing refreshment time is prolonged, and the refreshing effect is improved.
Owner:ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI
Device for culturing porphyra tenera in deep water area and application method thereof
ActiveCN104488691AReduce distractionsReduce disease incidenceCultivating equipmentsSeaweed cultivationDiseaseSludge
The invention discloses a device for culturing porphyra tenera in a deep water area. The device comprises a plurality of pairs of brackets, cylindrical foamed buoys, and a cultivation curtain for culturing porphyra tenera; two cylindrical foamed buoys are bound to a pair of brackets through vinylon ropes; holes are drilled in two ends of each bracket; a tied rope passes through the through holes in two ends of each pair of brackets to fix the brackets; two ends of the cultivation curtain are tied to brackets which are adjacent to each other and in different pairs; the plurality of brackets, the foamed buoys bound on the bracket, and the cultivation curtain tied on the brackets form a row of porphyra tenera culturing float raft. According to the device, the full-floating raft type culturing technology is adopted, and thus the interference of float sludge and wild alga can be obviously reduced, and the disease incidence can be greatly lowered down; the device is suitable for cultivation in the deep water area; the net can be sunned actively to avoid freezing injury; bamboo brackets for fixing the foamed buoys are wrapped with a layer of fiberglass materials, and therefore, the strength of the traditional bamboo poles can be improved, the corrosion of seawater to the bamboo poles can be reduced, and as a result, the service life of the bamboo poles can be obviously prolonged, and as a result, the cost can be decreased.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
Anti-frost and anti-freezing apparatus
ActiveCN105075755ANo lossReliably achieve the first purpose to the fifth purposePlant protectionFrostAnti freezing
The invention provides an anti-frost and anti-freezing apparatus which can solve the difficulty of effectively increasing temperature near crops in an energy-saving manner. For the anti-frost and anti-freezing apparatus, a fan at a high position blows down warm wind from a high place to a low place, and a fan at a low position blows wind at a substantially horizontal direction. A garden field is provided with a structure which has a heater. The fan at the high position is workable only when the temperature at a high place where a thermal inversion layer happens is higher than the temperature near crops. Subsequently, the heater is operated when the temperature near the crops is further lowered. On the contrary, when the temperature at the high place where the thermal inversion layer happens is below the temperature near the crops, the fan at the high position is not operated, and the heater and / or a heater at a low position are / is operated. Warm wind is blown at a substantially horizontal direction so as to prevent frost and freeze injuries.
Owner:FULTA ELECTRIC MACHINERY CO LTD
Spraying agent for winter protection of plant trees
InactiveCN103621555AReduce frost damageEffective coverBiocideDead plant preservationFreeze injuryChemistry
The invention discloses a spraying agent for winter protection of plant trees. According to the formula, the spraying agent comprises the following components in percentage by weight: 20% of calcium carbonate, 5% of titanium dioxide, 2% of ethylene glycol, 13% of a cationic styrene-acrylic emulsion, 57% of water, 2% of calcium polysulfide and 1% of sheep grease. 1% of ethylicin or 1% of quintozene is used to replace calcium polysulfide to achieve the same effect. The using method comprises the following step: at the time of the year when autumn changes into winter, uniformly spraying the spraying agent by a pesticide spraying device or manually on the surface of limbs of the plant trees. The method disclosed by the invention has the beneficial effects of effectively preventing various fruit trees and plant trees of greening tree species such as blueberries and sweet cherries from sprouting in winter, greatly alleviating freeze injury of the plant trees, preventing and treating diseases of limbs of the plant trees, accelerating old wounds of the limbs to heal, and protecting the plant trees for three years by spraying once. Compared with conventional whitewash agents, the spraying agent has remarkable advantages.
Owner:广州宇芝洁化工有限公司
Pesticide residue degradation agent
InactiveCN103044159APromote formationPromote growth and developmentFertilizer mixturesContinuous croppingChilling injury
The invention discloses a pesticide residue degradation agent, relating to a disinfectant. The pesticide residue degradation agent consists of the following substances in parts by weight: 56 to 84 parts of water, 15 to 28 parts of amino acid, 1 to 5 parts of glutathione, 4 to 13 parts of beneficial microbial bacteria, 1 to 2.2 parts of borax, 0.6 to 2.4 parts of calcium sulfate, 0.2 to 0.8 part of magnesium sulfate, 0.5 to 1.7 parts of zinc sulfate, 4 to 9 parts of potassium sulfate, 0.2 to 0.7 part of frankincense, 0.2 to 0.5 part of radix bupleuri, 0.25 to 0.6 part of honeysuckle, 0.2 to 0.55 part of rhubarb, and 0.1 to 0.3 part of gentian. The pesticide residue degradation agent has the advantages of improvement of soil, continuous cropping resistance and strong stress resistance, significantly reduces the usage of chemical fertilizers and pesticides, greatly improves the quality and taste of agricultural products, achieves an obvious effect of increasing both production and income, removes pesticide injuries and herbicide residues, has a special effect on chilling injuries and freezing injuries, and can degrade poisonous gases.
Owner:绿安阔野(北京)国际农业科学研究院
Planting method for white flesh loquats and greenhouse thereof
InactiveCN103355130AIncrease productionClimate change adaptationGreenhouse cultivationMain branchGreenhouse
The invention discloses a planting method for white flesh loquats and a greenhouse thereof. The method comprises the following steps: transplanting white flesh loquat seedlings to specified positions at the planting density of (3-5)*(2-4) meters in February to April, preferably March; and fixing poles 25-50 centimeters away from the transplanted white flesh loquat seedlings, keeping four side branches as main branches after side branches sprout each year, keeping three branches sprouting on each main branch for serving as secondary main branches, keeping three branches sprouting on each secondary main branch for serving as a fruiting branch group, and culturing for three and a half years till branches of each tree body reach grade 9-10 so as to enter a blossoming and fruit setting period. Specific to the problems existing in the conventional greenhouse equipment and open field white flesh loquat production, the planting method and the structure of a greenhouse facility are improved, so that yield reducing factors such as freeze injury, fruit cracking, sun burn and the like are eliminated completely, and the aims of preventing freezing in winter as well as shading from rain to prevent fruit cracking and shading from high temperature to prevent sun burn at a fructescence period can be fulfilled.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
Fireproof thermal-insulation layer of tunnel and construction method thereof
ActiveCN101638990ADon't burnNo corrosionUnderground chambersDust removalGlass fiberThermal insulation
The invention relates to a fireproof thermal-insulation layer of a tunnel and a construction method thereof, wherein the fireproof thermal-insulation layer comprises a polyurethane thermal-insulationlayer connected with two linings of the tunnel and an external fireproof layer, wherein the fireproof layer is made by pressing one or two kinds of medium-alkali glass fiber cloth and non-woven fabricwhich are taken as basal materials and waterproof and fireproof components. The fireproof thermal-insulation layer of the tunnel can effectively solve the problem that the fire prevention and the thermal insulation are difficult in atrocious climatic environment areas, such as northwest parts in China, has excellent fireproof performance, good thermal insulation performance and favorable waterproof performance and reduces the freezing injury to the tunnel. The invention also provides the construction method of the fireproof thermal insulation layer of the tunnel, which is convenient, rapid and firm.
Owner:湖南新纪元建设发展有限公司
Grade evaluation method for ecological adaptability of afforestation tree species
The invention relates to the field of grade evaluation of afforestation tree species, in particular to a grade evaluation method for the ecological adaptability of the afforestation tree species, and solves the problem that the current tree species ecological adaptability evaluation is undefined in indexity, insufficient in quantization degree and bigger in error. The method comprises the following steps: firstly, adopting a field survey method namely an ecological adaptability survey method for the same experimental point and different tree species, the same tree species and different strains and the tree species at different experimental points; secondly, for tree species researched by three survey methods, assigning values for freeze injury, drought injury, insect injury, crown growth potential, bark condition and stem form of the tree species, and then performing grade separation according to adaptability grade evaluation indexes. The method provides an approach for comprehensively evaluating the ecological adaptability of the tree species by scientifically and comprehensively selecting external characteristics capable of embodying the growth conditions, the growth potential and the health conditions of trees as evaluation factors, evaluating and marking the grades of all the factors and reasonably judging the weights of the evaluation factors in an evaluation system.
Owner:SHANXI UNIV
Wide zero tillage fertilizing seeder
InactiveCN103283330AIncrease the number ofPrevent frostbiteSpadesTilling equipmentsDrive shaftAgricultural engineering
The invention provides a wide zero tillage fertilizing seeder which comprises a machine frame, an universal drive shaft and a suspension arm are mounted at the front end of the machine frame, a speed changing box, a fertilizer box and a seed box are mounted at the middle part of the machine frame, a rotary blade is mounted at the bottom of the machine frame, the rotary shaft is connected with the output shaft of the speed changing box, the cutting edges of the rotary blade are sawtooth-shaped, a suppress wheel carrier is mounted at the rear end of the machine frame, and suppress wheels are mounted on the suppress wheel carrier; a fertilizer conveying tube is arranged at the bottom end of the fertilizer box, a fertilizer conveying tube is arranged at the bottom end of the seed box, the bottom end of the fertilizer conveying tube is lower than the bottom end of the seed conveying tube, and the fertilizer conveying tube and the fertilizer conveying tube are mounted on the machine frame through a bracket. The arrangement of the saw tooth on the rotary blade can increase the cutting strength to straws or weeds, smash straws or weeds forcefully, avoid the increasing of the number of the rotary blade, keep larger bandwidth, and is beneficial to the growth of crops in the future, ventilation and light transmitting between the lines, increasing of yields, especially in winter, permeability of the soil is decreased, so that the temperature decreases slowly, and the crop freeze injury is avoided accordingly.
Owner:马根众
Fireproof thermal-insulation layer of tunnel and construction method thereof
ActiveCN101638990BReduce crackingImprove securityUnderground chambersDust removalGlass fiberThermal insulation
Owner:湖南新纪元建设发展有限公司
Easy-to-assemble freeze protection cover for plants
InactiveCN104145755APrevent frostbiteEasy to assemblePlant protective coveringsFreeze injuryEngineering
Disclosed is an easy-to-assemble freeze protection cover for plants. The freeze protection cover comprises a plurality of base units which are combined together in an end-to-end connection manner, a vertical rod is inserted in each base unit, and a heat preservation pad is fixed on each vertical rod and surrounds one plant by a circle. The freeze protection cover is easy to assemble, good in heat preservation effect, and reusable and not easy to wear and can be assembled without skilled workers, a heating function can be started when it is extremely cold, and freezing injury to precious or tender plants can be avoided.
Owner:李召义
Method for preventing masui dauphine fig tree from freezing damage
InactiveCN101099440ASafe winterExpand the scope of cultivationCultivating equipmentsPlant protective coveringsFruit treeFreeze injury
The present invention belongs to the field of fruit tree cultivation technology, in the concrete, it relates to a method for protecting ficus carica tree from freezing injury. Said method includes the following two procedures: A, form pruning and B, overwintering under mulch. Besides, said invention also provides the concrete requirements of above-mentioned every procedure and its concrete operation steps.
Owner:ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS
Trunk whitewashing composition, trunk whitewashing agent containing trunk whitewashing composition, and application
ActiveCN104814012AStable sourceWill not polluteBiocidePlant growth regulatorsMethyl celluloseFreeze injury
The invention discloses a trunk whitewashing composition, a trunk whitewashing agent containing the trunk whitewashing composition, and application. The composition is composed of hydroxypropyl methyl cellulose and an ethylene-vinyl acetate copolymer, wherein the weight percentage of vinyl acetate in the ethylene-vinyl acetate copolymer is 70 to 95%. In the trunk whitewashing agent, the mass percentage of the composition is 1 to 70%, and the rest components of the trunk whitewashing agent are accessory materials. All the components of the trunk whitewashing composition show substantial synergistic interaction; and the trunk whitewashing composition can effectively alleviate occurrence of phenomena like overwintering freeze injury, sunburning and sprouting and improves the growth conditions of plants. The composition or the trunk whitewashing agent containing composition has the advantages of environment friendliness of each component, stable quality, a small usage amount, a wide application scope and convenience and safety in application.
Owner:四川嘉智生态科技有限公司
Device for testing early frost heave deformation of cement concrete and method thereof
InactiveCN107941847ASimple working principleImprove test accuracyMaterial thermal coefficient of expansionSwelling capacityFreeze injury
The invention relates to a device for testing early frost heave deformation of cement concrete and a method thereof, which solve the problem of large precision difference of test results due to ambient temperature influence in the prior art. The device is characterized in that one end of a cable ties an upper end of a sealing bag, the other end is connected with an upper end of a container B through a pulley, and a lower part of the container B is immersed below a water surface in a container C. The testing method comprises the following steps: placing the sealing bag in freezing liquid, continuously adding fine sand in the container B, wherein the top of the container B and the sealing bag are in a same height, and recoding height of the liquid surface in the container C; and when a buoyancy added value of the container B in the container C is equal with the buoyancy added value generated by expansion of the sealing bag, performing conversion to obtain volume swelling capacity generated by concrete freezing by monitoring a difference value of water scale values H in the container C. The method is capable of evaluating freeze injury damage degree by monitoring the early frost heaveamount of concrete, and performing real-time monitoring on volume deformation of frozen concrete, and precision is high.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2
Microbial fertilizer for rice and preparation method and use thereof
ActiveCN103319216APrevention and treatment of chilling injuryOrganic fertilisersMicroorganismBacillus licheniformis
The invention discloses microbial fertilizer for rice. The microbial fertilizer comprises the following components in percentage by weight: 20%-30% of microbial bacteria, 10%-20% of diatomite, 15%-20% of an assistant and 20%-28% of soluble starch. The microbial bacteria comprise endophytic bacillus subtilis and endophytic bacillus licheniformis by a weight ratio of 7:1. The invention further discloses a method for preparing the microbial fertilizer. The method comprises cultivation of the microbial bacteria and preparation of the microbial fertilizer. The invention has the advantages that freeze injury of rise in a seedling stage is prevented and treated while nutrition is provided to rice.
Owner:山东京青农业科技有限公司
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