165 results about "Wilting" patented technology

The invention discloses a fresh-keeping method for fruits and vegetables, which comprises the following steps that: (1) selecting fruits and vegetables and encasing in boxes; (2) prestorage: disinfecting the prestorage room and placing in fruit boxes full of fruits and vegetables; when the prestorage begins, turning on an ultrasonic humidifiens and an ozone generator to control the relative humidity of the prestorage room less than 80 percent, the ozone concentration of the prestorage room between 5 and 20mg / m<3>; (3) storing in the storeroom: disinfecting the storeroom and placing in the prestored fruit boxes and at the same time turning on the ultrasonic humidifiens and the ozone generator to control the relative humidity of the storeroom between 80 percent and 98 percent, the ozone concentration of the storeroom between 5 and 20mg / m<3>. The invention combines ultrasonic humidifying with ozone sterilization to carry out humidification and sterilization and antisepsis to the fruits and vegetables, etc., stored in the storeroom; moreover, synchronically preventing fresh fruits and vegetables from wilting and decay, which greatly reduces the decay rate of raw material and keeps the raw material in good state, thus acquiring a longer preservation period.

An irrigation and fertilization system based on crop environment cooperative feedback comprises a meteorological station, a soil humidity sensor, a leaf area index measuring instrument and a controller. After the meteorological station, the soil humidity sensor and the leaf area index measuring instrument obtain the sunshine duration, air pressure, air temperature, air humidity, precipitation amount, small climate environment 2-meter high wind speed, solar radiation, field water holding capacity, field water holding rate, water saturation degree, moisture content of withering point soil, a wilting coefficient and leaf area index parameters related to growth of crops, the parameters are transmitted to the controller for data processing and calculation, the infiltration amount, the potentialinfiltration amount, the potential crop transpiration amount, the soil surface potential evaporation amount and potential evaporation amount parameters are obtained, and a mathematical model is further established through calculation to form an irrigation plan.

The present invention provides a ganoderma health preserving black tea and a processing technology thereof, belonging to the tea-leaf processing field and solves the problem that ganoderma and the active components of tea leaves can not be effectively combined or absorbed by human bodies in the prior art, and the product quality problems of poor mouth feel and bad color. The raw materials of the ganoderma health preserving black tea comprise one or more selected form tea leaves of black tea, refined ganoderma powder and ganoderma spore powder. The processing technology comprises the steps of selecting tea leaves of superior black tea, wilting, rolling, fermentating, drying, winnowing and selecting as well as checking and accepting finished products. In the invention, the ganoderma health preserving black tea is prepared from the ganoderma and the black tea through mixing and fermentation so that the internal quality of the tea leaves is enriched and the health care function of the teais enhanced. The ganoderma health preserving black tea has the functions of liver protection, stomach nourishing, heart calming and mind tranquilization, eyesight improvement, reduction of blood pressure, blood fat and blood glucose, human immunity improvement, senility deferring, health care, beauty, and the like, and has the advantages of good mouth feel and obvious economic benefit.

The present invention provides a ginseng black tea and a processing technology thereof, belonging to the tea-leaf processing field and solving the problem that ginseng and the active components of tealeaves can not be effectively combined or absorbed by human bodies in the prior art, the product quality problems of poor mouth feel and bad color and the problems of thermal performance of ginseng tea. In the ginseng black tea of the invention, black tea is used as a main material, radix pseudostellariae is used as an auxiliary material, and the processing technology comprises the steps of selecting tea leaves of superior black tea, wilting, rolling, fermenting, drying, winnowing and selecting as well as checking and accepting finished products. In the invention, the ginseng black tea is prepared from the radix pseudostellariae and the black tea through mixing and fermentation so that the internal quality of the tea leaves is enriched, and the health care function of the tea is enhanced.The ginseng black tea has the functions of liver protection, stomach nourishing, heart calming and mind tranquilization, eyesight improvement, reduction of blood pressure, blood fat and blood glucose, human immunity improvement, aging deferring, health care, beautifying, and the like, and has the advantages of good mouth feel and obvious economic benefit.

The invention relates to a method for preparing high-altitude sweet persimmon leaf tea, which comprises the following steps of: 1) picking sweet persimmon fresh leaves or sprouts from sweet persimmon trees growing at a place with the altitude of 1200-2000m, wherein the sweet persimmon fresh leaves or sprouts are picked in spring and autumn; 2) adjusting wilting; 3) killing out; 4) twisting; 5) drying and 6) bagging. The method has the beneficial effects that the best picking date of the persimmon fresh leaves is confirmed, so that the standard guidance is provided for producing the sweet persimmon leaf tea with high-content vitamin C and high-content flavone, and the sweet persimmon leaf tea with best taste can be processed by using the method; the preparation method is simple and liable in technology; and the prepared sweet persimmon leaf tea not only maintains the original natural ingredients of persimmon leaves, but also is faint scent and sweet in taste and unique in fragrance, thus being relatively beneficial to the health.

The invention discloses a method to promote a lotos subgenus water lily to form a dormancy ball, and relates to a method to force the lotos subgenus water lily to form the dormancy ball. The method to promote the lotos subgenus water lily to form the dormancy ball comprises the steps that fine germchits of the lotos subgenus water lily are selected, and the fine germichits are planted into containers with the common pond sludge as substrate, and apertures of the containers are 10cm to 12cm. The germchits are placed into a natural water area with at least 6 hours direct solar radiation every day and cultivated until the first frost. The water level is the only thing that needs to be guaranteed, the old leaves and the weed are cleaned timely, and topdressing and other measures are not needed. The plants are removed from the water body one to two days after the local first frost, the unnecessary leaves are removed and only 3 to 4 new leaves are remained. The plants are placed in shade area on land with a temperature ranging from 7 degrees to 15 degrees intensively. The dormancy balls are excavated after the wilting and drying of the leaves, the dormancy balls are cleaned and dried in the shade until the epidermis water disappears, and the dormancy balls are stored for overwintering. The method to promote a lotos subgenus water lily to form a dormancy ball is simple and practicable, the probability that the lotos subgenus water lily forms the dormancy ball is improved exponentially, and the problems that lotos subgenus water lily is difficult to form a dormancy ball in the northern area and difficult to reproduce are solved.

The invention discloses lotus leaf black tea which comprises lotus leaves and tea green in wilted weight ratio of 1-1.2 to 1, wherein the lotus leaves are selected from spring lotus leaves or summer lotus leaves or autumn lotus leaves; the tea green is selected from Meizhao or Fuyun Number six or Fudingdahao. The processing method of the lotus leaf black tea comprises the following steps: selecting materials, removing the leaf navels, folding and rolling to carry out slitting, spreading on a tedding frame to carry out natural wilting, mixing the raw materials, rolling, screening to carry out dewaxing, flattening to carry out fermentation, frying by using a double-pot twisting machine, taking out from the pots after the leaves become soft, putting into a shaping machine to carry out shaping until the materials become 90% rolled or granular, carrying out first baking, baking until the materials are dry enough and carrying out aeration. The lotus leaf black tea is good in soup color, heavy and mellow in taste, sweet and elegant and long in fragrance, has the faint scent of the lotus leaves and the black tea flavor like the orchid fragrance, and is capable of satisfying the demands of the consumers requiring the faint scent of the lotus leaves and the black tea flavor; by carrying out alternate shaping through stir frying, more physiologically active ingredients can be retained so that benefit is brought to improve the health effect; and the shape of the finished tea is heavily practical so that the packaging and the conveying are convenient.

The invention discloses a high-quality tobacco leaf baking process. Major aims to be fulfilled at every time interval of tobacco leaf baking are classified into a yellowing stage, a wilting stage, a color fixing and leaf drying stage and a stalk drying stage, a more intuitional baking process curve is drawn, and a temperature raising speed, upper and lower limit temperature values, a humidity range to be controlled, heat preserving time, and quality appearance forms including color luster, dryness shape and percentage in all tobacco leaves to be achieved in tobacco leaf baking are set at every stage. At the yellowing stage, the leaf surfaces of tobacco leaves on first and second tobacco leaf baking frames in a baking room become yellow completely; at the wilting stage, all tobacco leaves in a furnace wilt and become yellow; at the color fixing and leaf drying stage, tobacco leaves on a bottom tobacco leaf baking frame become pointed, leaves are drum-shaped or approximately drum-shaped, and the leaf surfaces are dry; and at the stalk drying stage, heat is preserved till all tobacco stalks in the furnace are dried completely. According to the baked tobacco leaves, the green smoke rate and ash hanging rate can be reduced remarkably, and green stalks, clear sheets, green flotation, ash hanging and the like are reduced.

A device and method that uses the application of light to retard the wilting and spoilage of cut flowers. The lamps used can direct focused illumination in the targeted wavelengths known to positively and optimally affect the viability of different types of cut flowers, hi the most preferred embodiment, an LED light source is positioned to direct light upwardly toward the flowers, either from a base structure upon which a vase holding the flowers and having a transparent bottom surface is placed, or from a position within an opaque vase holding flowers that is substantially below the flower stems. Optionally, light can be directed from the side or overhead, but such a configuration is not optimal. Side-by-side testing confirms that flowers exposed to the light lasted more than a week longer than those not having the added illumination.

The invention discloses a frequency conversion type flue-cured tobacco heat pump double-power curing barn and a curing preparation process thereof. The frequency conversion type flue-cured tobacco heat pump dual-power curing barn comprises a flue-cured tobacco chamber, a heating chamber, a heat pump unit, a biomass fuel stove, an air inlet for supplying circulating heating air flow between the flue-cured tobacco chamber and the heating chamber, an air return port, and a heat pump unit and a biomass fuel stove in the heating chamber. The frequency conversion type flue-cured tobacco heat pump dual-power curing and curing process comprises a yellowing period, a wilting period, a color fixing period and a dry rib period. The invention adopts gas flow closed-circuit circulation and biomass fuelfurnace external heating to be used simultaneously or alternately. As the double power curing is for and controlled automatically by the control device, the temperature change can be controlled precisely, the heat utilization efficiency is high, the curing cost is low and the energy is save, the curing loss of tobacco curing is reduced, the curing quality is improved, the tobacco leaves turn yellow and the color fixation are coordinated, the drying and the fragrance are matched, and the curing goal of curing tobacco leaves is realized.

The invention relates to treatment of industrial wastes and a use of the industrial waste in producing an organic liquid fertilizer, and is applied to the fields of agriculture and forestry. Industrial liquid wastes include an alcohol liquid waste, a molasses liquid waste and a starch fermentation liquid waste; the industrial liquid wastes contain lots of nutrient elements needed by plants, such as amido acids, humic acids and organic matters, and also contain some harmful bacteria; water insoluble matters, suspended matters and the COD (Chemical Oxygen Demand) value in the industrial liquid wastes are about 5*10<5>mg / L; therefore, if the industrial liquid wastes are directly used without treatment, hazards such as environmental pollution and rot roting and seedling wilting of plants can be caused. Innocent treatment of liquid wastes mainly comprises the following steps of acidification, oxidization, biochemical treatment, neutralization, flocculation and precipitation separation treatment; after the industrial liquid wastes are subjected to innocent treatment, the mother liquor obtained is used for producing a green environment-friendly organic liquid fertilizer; the fertilizer is capable of achieving the effects of promoting crops to absorb nutrients, keeping nutrient balance and improving the taste and quality of products, and the yield of crops can be increased by 20-40%; therefore, the fertilizer is an organic green environment-friendly liquid fertilizer.

The invention relates to the technical field of plant genetic engineering, in particular to an application of RAF49 protein and an encoding gene of the RAF49 protein to regulation and control of drought resistance of plants. According to the invention, the corn RAF49 gene is found to positively regulate the drought resistance of the plant, and the drought resistance of the plant can be effectivelyimproved by increasing the expression quantity of the RAF49 gene. The RAF49 overexpression transgenic corn plant is constructed, the growth condition of the plant under the drought condition is obviously superior to that of a wild type corn plant, the leaf wilting degree is obviously reduced, the transpiration rate and the stomatal conductance are obviously lower than those of the wild type cornplant, the water loss of the plant is effectively reduced, and the drought resistance is obviously improved. The discovery of the drought-resistant function of RAF49 provides a new gene target and resources for cultivating new varieties of drought-resistant plants, and provides a theoretical basis for illustrating the molecular mechanism of plant drought stress signal response.

The invention provides a black tea manufacturing method which comprises the following special steps: (1) wilting: tea leaves are put in a wilting machine for wilting, the spreading thickness of the tea leaves is 40-60 cm, the tea leaves are first wilted for 2-3 h by cold air and then wilted for 1-2 h by hot air, the hot air temperature is 35-40 DEG C, the wilting machine is stopped for 1 h, the tea leaves are wilted for 1-2 h by hot air again, the hot air temperature is 35-40 DEG C, and during the wilting process, the tea leaves are turned every 15 minutes; (2) twisting: a twisting machine is adopted for twisting the tea leaves; (3) fermenting: a full-automatic fermenting machine is adopted for fermenting; (4) drying: the tea leaves are put in a drying machine, the spreading thickness is 8-10 cm, the tea leaves are dried for 10-15 min for the first time at the control temperature of 130 DEG C, then are dried for 10-15 min for the second time at the control temperature of 80 DEG C, next, the tea leaves are taken out from the drying machine, and are cooled for 30-40 min after being spread, and the tea leaves are put in the drying machine again and then dried for 6-10 min for the third time at the control temperature of 80 DEG C. The black tea manufacturing method can reduce the manufacturing time of black tea considerably, and improves the black tea quality.

The invention provides a method for identifying pathogen of the paroxysmal foliage wilting disease in myrica rubra, comprising separating the xylem from the phloem of a myrica rubra branch, respectively cutting the phloem and xylem into small sheets of tissue without the surface disinfection, placing them on a PDA flat, culturing in a thermotank of 25 DEG C for 2 days, picking out fluffy fungal hyphae and placing the fungal hyphae to another new PDA flat, continuously culturing in the thermotank of 25 DEG C for 5 days, and picking out purified hypha blocks of 0.5cm<2> for the inoculation experiment of the pathogenicity. The method for testing the pathogen of the paroxysmal foliage wilting disease in myrica rubra in vitro is reliable and fast, needs no expensive materials, comprises simplesteps, and has high accuracy.

The invention discloses an edible fluid sericin fresh-keeping film. The edible fluid sericin fresh-keeping film comprises the following components in parts: 10-15 parts of sericin protein fluid and 85-90 parts of matrix, wherein the matrix comprises the following components in parts: 5-8 parts of polyvinyl alcohol, 1-2 parts of glycerol, 0.6-0.9 part of sodium benzoate, 1-2 parts of carboxymethyl cellulose, 1-2 parts of sodium alginate and 85-90 parts of water. By virtue of the fluid sericin fresh-keeping film disclosed by the invention, a layer of thin fluid coating film is formed on the fruits and vegetables to enhance the protective effect of food skin layers, reduce the mechanical damage, control water loss, prevent shrinkage and wilting, appropriately block the opening portions, reduce nutrient consumption, inhibit microorganisms from invading, prevent decay and deterioration and keep the flavor of the products.

The invention discloses a prunus maritima marshall hard branch cutting propagation method, which is carried out according to the following six steps that (1) a cutting seedbed is prepared; (2) root growth promoting agents are prepared; (3) cutting branches are prepared; (4) cutting is carried out; (5) post-cutting management is implemented; (6) domestication is carried out. When being adopted, the method disclosed by the invention avoids the problems of easy germ contamination decay, water loss wilting, low survival rate and the like of cutting slip callus caused by summer cutting, in addition, the damage to parent bodies of the prunus maritima marshall and the potential contamination risk in the cutting process are reduced, the cost is low, the management is simple, and the popularization is easy.

The invention provides a device and a method for automatically monitoring and evaluating soil parameters. The device comprises a measuring device and a main control device, wherein the measuring device is used for generating a nuclear magnetic resonance signal for original soil to be tested according to the nuclear magnetic resonance principle; the main control device is electrically connected with the measuring device, and is used for analyzing the original soil to be tested immediately according to the nuclear magnetic resonance signal to obtain the soil parameters. According to the scheme, the water content, the porosity, the field capacity and the wilting coefficient of the soil, the relationship between the soil water potential and the soil moisture content, and the like can be researched.

The invention discloses a preparation method for organic fertilizer for preventing and treating secondary salinization of a solar greenhouse vegetable field. The preparation method comprises the following steps: (1), mixing cow dung or a mixture of the cow dung with one or more of goat manure, chicken manure, pig manure, straws and waste tobacco shreds according to the volume ratio of 1:1 and fermenting, thereby obtaining a material A; (2), preparing earthworm cast after cow dung is fermented; (3), crushing crop straws, adding the crushed straws to chicken manure or pig manure, and enzyme microorganism, mixing uniformly, building stacks and fermenting, thereby obtaining a material D; (4), mixing the materials A, C and D to obtain a material E; (5), mixing the material E, calcium cyanamide, diammonium phosphate, zinc sulfate and sodium borate, thereby obtaining finished products organic fertilizer. According to the preparation method for the organic fertilizer for preventing and treating the secondary salinization of the solar greenhouse vegetable field, wastes of agriculture and animal husbandry industries are utilized as main materials and match natural antibacterial materials, such as lime nitrogen, in accompany with secondary and trace elements, such as calcium, boron and zinc, so as to solve problems of vegetable wilting and soil harmful bacteria caused by the salinization of the solar greenhouse vegetable field. Compared with application of common fertilizer, application of the prepared organic fertilizer has the advantages that the fertilization costs are reduced and the yield and quality of vegetables are improved.

A biotin-avidin enzymoimmunoassay aiming at the corn bacterial wilt includes the following steps of preparing a polyclonal antibody, purifying the polyclonal antibody and performing biotin labeling; extracting bacterium in a sample and coating the extracting solution of the sample on a micro-perforated plate; then sequentially adding a biotin labeling antibody, an alkaline phosphatase labeled strepen avidin compound and a PNP zymolyte, developing and then reading the value of the absorbency with the wavelength below 405 nm by an enzyme-labeling instrument. The biotin-avidin enzymoimmunoassay aiming at the corn bacterial wilt has the advantages of strong specificity, high detecting sensitivity reaching 1*10 cfu / mL, simple and rapid operation, accurate result and high efficiency.

The present invention relates to the field of medicine bio-engineering technology, and is a novel tumor wilting extract 2 ligand complete gene, i.e. Apo-2LI gene, and utilizes the said gene to prepare human soluble tumor wilting extract protein, i.e. tumor wilting extract or called Apo-2L I100. This invention uses Apo-2LI gene as template, and uses pBV220 to constitute prokaryotic expression vector pBV-Apo-2L I100, and its prepared Apo-2LI100 can directly express biological activity.

The invention belongs to the technical field of forestry planting, in particular to a seedling transporting device faciliating feeding for forestry planting, which can solave the -inconvenience of feeding the seedling conveyor for forestry planting, poor stability during seedling transportation. The following programmes are proposed, which comprises a transport vehicle, wherein the transport vehicle comprises a cockpit and a rear vehicle plate, and the top outer wall of the rear vehicle plate is bolted with a mounting plate, the top outer wall of the mounting plate is bolted with slide rails,the number of the slide rails is three to six, a plug box is slidably connected with the slide slot of the slide rails, and the plug hole is arranged on the top outer wall of the plug box. The feedingprocess is simple and quick, the feeding efficiency of the seedling transport device for forestry planting is effectively improved, the seedling bottom is avoided to be stabilized by a water-shortageand wilting splint in the transport process, the first side plate, the second side plate and the regulating plate are matched, the upper part of the seedling is stabilized, and the stability in the seedling transport process is effectively improved.

The present invention discloses a fruit and vegetable additive-free fresh-keeping method without separation from a culture medium. The method comprises: carrying out disinfection on a storage space with ozone, selecting the plant with characteristics of no plant disease, no insect pest, and no mechanical damage, removing dead branch and yellow leaf, placing the survival fruit and vegetable plant, the edible fungus hypha, and the fruiting body in a movable matrix into a refrigerating cabinet, maintaining relative humidity of 80-85%, and carrying out refrigerating, gas adjusting, and light supplementing to adjust the optimal sense organ characteristics and the physical and chemical characteristics of the fruit and vegetable. The method of the present invention has characteristics of strong operability, green property, economy, environmental protection, and no additive, the stored fruit and vegetable has characteristics of bright and fresh color, green and full property, rich juice, pure taste, rich nutrition, and long storage period, and the method is suitable for prevention of fruits and vegetables from disease infections, easy discoloration, wilting and rottening during the fruit and vegetable stream warehousing and selling process.

An environmental controlling system to better preserve cut flowers and other flora in vase water. The system uses thermoelectric modules, heat exchangers, fans, power supply, and a thermal conductor to cool and / or heat the water in a flower vase as required. By cooling the water, formation of algae and formation of a callus on the cut stem is reduced. In addition, keeping the stems in water of optimal temperature controls production of ethylene and other phytohormones. These effects prevent premature wilting, leaf abscission, flower senescence, and reduces the care required to maximize the life of cut flowers and other flora. In the event of cold ambient conditions that might cause freezing, the flow of heat can optionally be reversed, warming the water in the vase to avoid freezing the stems and / or maintain optimum temperature and other conditions for a specific variety of flora.

The invention provides a cherry biological antibacterial antistaling agent, which is characterized in that it is composed of the following raw materials in mass ratio: eucalyptus leaf extract 1.0-5.0%, cassia bark extract 0.5-2.5%, patchouli extract 5.0-15.0%, chlorinated Calcium 0.5-5.0%, phytic acid 0.1-2.0%, and the balance is water. The use of this preservative not only effectively inhibits the growth of mold and prevents the rot of cherry fruit, but also reduces the evaporation of water in the fruit, prevents the oxidation between the oxygen in the air and the components of the fruit, reduces the respiration intensity, and increases the surface of the fruit. Brightness improves its appearance and greatly increases the value of the product. When stored at 0-4°C for 20 days, the good fruit rate reaches 92%, and the water loss rate is ≤1.7%. Even if it is stored at room temperature, it can prevent moisture Lost, shrunken and wilted, stored at room temperature for 10 days, the good fruit rate is 85%, and the water loss rate is ≤3.0%, so as to better maintain the nutritional value, color, aroma, taste and shape of cherry fruit, and prolong the shelf life of the fruit , will not cause damage to human health.

The invention discloses a trichoderma harzianum and polyglutamic acid compounded microbial agent and an application thereof. The microbial agent comprises trichoderma harzianum, polyglutamic acid and a pesticide carrier, and the pesticide carrier is selected from a wetting agent, an emulsifier, a dispersant, a stabilizer, a synergist, inorganic filler and organic filler. The composition is compounded from trichoderma harzianum and polyglutamic acid and can improve the soil and improve the crop quality; besides, the microbial agent has a better control effect on pathogenic bacteria of soil-borne diseases, has a remarkable synergistic interaction effect and can control seedling death, root rot, green wilting, dead standing, yellow wilt, butt rot, stalk rot, damping off and other common agricultural diseases.

The invention belongs to the field of tea processing and provides sweet and soft black tea with pure flowery flavor and a making method thereof, aiming at solving the problem that the conventional black tea is low in quality and instable in quality. The method comprises the following steps: picking fresh leaves, cooling the fresh leaves, wilting, rolling, fermenting and drying, wherein the step of cooling comprises the sub-steps: thinly spreading the fresh leaves in a bamboo sieve and blowing cold air, wherein the temperature of the cold air is 15-25 DEG C, and the time is 1-2 hours; the step of wilting comprises the sub-steps: putting the fresh leaves in a wilting tank and blowing hot air, wherein the temperature of the hot air is 30-40 DEG C, and the time is 3-5 hours; and the step of fermenting comprises the sub-steps: containing the rolled semi-finished product in a large bamboo basket and putting the bamboo basket in a fermentation chamber, wherein the fermentation temperature is 37-45 DEG C, and the fermentation time is 2-4 hours. According to the making method provided by the invention, the color, aroma, taste, shape and leaf bottom of the black tea can be excellent.

The invention discloses an evaluation and identification method for the flooding tolerance of magnoliaceae plants. Through flooding stress on different magnolia germplasms, the phenotypic change of the magnoliaceae plants in the flooding process is observed and recorded, through the four indexes of the leaf color change, plant wilting condition, stem basal part change and survival rate change, thephenotypic change is quantitatively graded, a grade score standard and an evaluation scheme are formulated, then the flooding tolerance is comprehensively evaluated through the sum of all index scores, and an evaluation system is established. According to the method, the quick, easy and convenient evaluation system for the flooding tolerance of the magnoliaceae plants is established for the firsttime, flooding tolerance resources are evaluated and identified, the flooding tolerance grade of the magnoliaceae plants is determined, and the basis is laid for flooding tolerance seed cultivation of magnolia and flooding tolerance evaluation work of the large-scale magnolia germplasms.

The invention discloses a lactic acid bacteria contained tomato cultivation medium and a preparation method thereof. The cultivation medium is characterized in that the medium comprises, by weight, 30% of rice hulls, 10% of sword bean vines, 20% of cucumber stems, 10% of rhodospirillum, 30% of river sand, 0.1% of fermentation microflora I and 0.1% of fermentation microflora II. According to the preparation method of the cultivation medium, agricultural organic wastes are smashed and subjected to solid state fermentation and decomposition for 24 hours at high temperature and high speed, and plant lactobacillus is added to perform uniform mixing. By means of the lactic acid bacteria contained tomato cultivation medium and the preparation method thereof, the cultivation medium is safe, environmental friendly, and poisonless and tasteless, seedling wilting and root rotting can not occur after direct usage, dinitrogenase, active amino acids and nutrients of plant somatomedin are contained, tomato root stock diseases such as root rot, damping off and sheath blight can be prevented, and aflatoxin produced during usage of the rice hulls can be removed.

The invention discloses a method for making high-fermentation elder leaf black tea. The method comprises the following steps: taking elder leaves of Wuyi rock tea trees as raw materials, picking fresh leaves, performing secondary wilting, performing alternative operations on three-time rolling and three-time fermentation, drying and the like. According to the invention, the unique rolling and wilting process is adopted, so that the elder leaf cells are uniformly and fully destroyed, and due to long-term fermentation, lots of substances contained in the elder leaves are fully oxidized and transformed, chemical changes of principle polyphenols and subsidiary transformation and accumulation of substances such as free amino acids, theanine, polysaccharides and the like are formed, the sufficiency and uniformity of tea leaf fermentation are effectively guaranteed, and the color, aroma, taste and shape of the tea leaves are improved, so that the made elder leaf black tea is tight and uniform in strip, oily in color, orange red and bright in soup, similar to dry aroma of longan, mellow in taste and obvious in sweetness after drinking tea.

The invention relates to a seedbed disinfectant and especially relates to a seedbed disinfectant for controlling soil-borne diseases of seed potato. The seedbed disinfectant solution is characterized by comprising components of, in per kilogram, 1.05-2.1g of metalaxyl. Hymexazol, 0.5-0.75g of chitin, 0.35-0.5g of S-ABA, 0.1-0.2g of farm-oriented streptomycin and the balance of water. The preparation method includes steps of: mixing the above amount of raw materials; stirring; blending well; and diluting until a liquid medicine content in per square meter of seedbed (vermiculite) reaches 6.0 kg. The usage method comprises steps of: spraying the disinfectant on old vermiculite used for seed potato production to reach a liquid medicine amount of 6.0kg / m<2>; covering with a plastic film to sterilize for 3 days; revealing the film and airing for 10 days; then carrying out cuttage on the potato virus free propagation seedlings. The disinfectant of the invention not only can kill pathogenic fungi and bacteria, mitigate harms of soil borne diseases, such as damping off, seedling blight, droop, root rot and green wilting in seed potato production, but also can enhance crop biological activity and immunity, promote crop growth, and has disease resistance, mithridatism, root-knot nematode resistance, cold resistance and saline-alkali resistance.