91results about How to "Removal of pesticide residues" patented technology

The invention relates to a microbial inoculum for fermenting and producing organic fertilizers, comprising cellulomonas, bacillus, lactobacillus, methagen, thiobacillus, streptomyces, thermoactinomyces, thermomonospora, azotobacter, nitrosomonas, nitrobacter, rhizobium, aspergillus, yeast, penicillium, humicola, rhizopus and mycorrhizal fungi. In addition, the invention also relates to organic fertilizers fermented and produced by using the microbial inoculum and a method for fermentation and production.

The invention discloses a production method of Maotai-flavor liquor. Compared with conventional process, the invention replaces sorghum and wheat with rice, sticky rice, corn, wheat and sorghum which serve as brewing materials, replaces the process of only taking Maotai-flavor daqu as a ferment with the fermentation process of combining two daqu: Luzhou-flavor daqu and Maotai-flavor daqu for preparation, and replaces the convenient process of twice of grain addition, eight rounds of fermentation and seven rounds of liquor taking with the process of one-time grain addition, nine times of fermentation and eight times of liquor taking. The invention has the following advantages: the quality of each round of liquor and combined mixed body of each round of liquor is superior the quality of the existing method, thus obviously reducing the yield of liquor of inferior quality rounds, obviously improving the yield of liquor of superior quality rounds and improving the total yield, and the Maotai-flavor style of the product and aftertaste thereof are both superior to Maotai-flavor style and aftertaste of the Maotai-flavor liquor prepared by the existing method, and the product has elegant multi-grain compound flavor.

The invention relates to a microbial agent used for producing a soil modifying agent by fermentation, consisting of fiber monad, bacillus, lactobacillus, methanobacteria, thiobacillus, streptomycete, high-temperature actinomyces, high-temperature monad, azotobacteria, nitration monad, nitration bacilus, rhizobium, koji mold, leaven, blue mold, detritus mold, rhizopus as well as mycorrhizal fungi and substrate. In addition, the invention also relates to a soil modifying agent produced by the fermentation of the microbial agent, application thereof and the like.

The invention provides an enzyme preparation for removing pesticide residual on the surfaces of vegetables and fruits and a preparation method of the enzyme preparation. The enzyme preparation comprises one or more enzymes and alkaline buffer salts, wherein each enzyme preparation is the particular preparation with aperture distributed from 50 to 500 nanometers. The enzyme preparation further comprises fillers with porous structures; and the enzyme preparation is prepared by the method comprising the following steps: pelletizing the mixing materials of one or more enzymes and fillers to obtain the enzyme particle mixture; embedding 45wt% to 55wt% of enzyme in the enzyme particle mixture into the filler; and then mixing the enzyme particle mixture and the water solution of the alkaline buffer salt through a fluidized bed. With the adoption of the enzyme preparation provided by the invention, the pesticide residual on the surfaces of the vegetables and the fruits can be completely and effectively removed; harmful microorganism on the surfaces of the vegetable and fruit can be removed; and the quality of the vegetable and fruit can be further improved.

The invention relates to a biological organic fertilizer adopting microbial fermentation and a preparation method thereof. The method comprises the following steps: firstly uniformly mixing pig manure, chicken manure, cow manure, grass carbon, vegetable cake, sawdust and bran according to weight proportion, then adding biological active water with certain concentration, stirring uniformly, and simultaneously regulating pH to be 6.9-8.9 to start fermentation, overturning every 2-7 days after stacking (when the temperature in the stack can reach 55 DEG C), then stacking in a concentrated way for fermentation again until fermentation maturing is finished (the total time is 7-15 days), namely, the temperature does not rise any more; and drying, smashing, screening and packing the obtained material when the water content is lower than 20 percent, thus obtaining the product. The organic fertilizer not only can improve soil, replace chemical fertilizers, cause yield of crops to be increased and improve crop quality, but also can reduce the content of harmful element, eliminate pesticide residue in soil, and can improve saline-alkali soil.

The invention discloses a production process for removing pesticide residue from extract of Ginkgo biloba (EGB), aiming to remove the pesticide residue in EGB and ensuring the quality of the EGB. The production process is characterized by comprising the following steps of: heating, stirring and dissolving an EGB sample by a water solution containing ethanol; cooling, adding active carbon, stirring and adsorbing; filtering and recycling filtering liquid; and concentrating and drying the filtering liquid to obtain finished products. The production process comprises the concrete steps of weighing 10-100 kg of the EGB sample, adding 1000 L of the 30-70% ethanol solution, heating and stirring to dissolve the sample completely; cooling to 30-50 DEG C, adding active carbon powder which accounting for 1-20% of the weight of the EGB, stirring and adsorbing for 30-60 min; filtering and recycling the filtering liquid; and finally concentrating and drying the filtering liquid to obtain finished products.

The invention relates to a method for preparing a pure natural fruit and vegetable cleaning agent. The method comprises the following steps of cleaning shells with water, airing, heating in an oven of which the temperature is 300 DEG C-450 DEG C for 5-10 minutes, then stripping the cuticula, and activating the cuticula-stripped shells at 900 DEG C-1200 DEG C for 3-5 hours; pulverizing the activated shells by virtue of a high-speed pulverizer or a ball mill; adding pulverized and activated shell powder to water while uniformly mixing under stirring, and aging for 2-3 hours; evenly stirring aged activated shell powder slurry, and drying by virtue of a spray dryer; and bottling the product and persevering in a sealed manner. The method disclosed by the invention has the advantages that the process is simple and the low in cost, the cleaning agent has strong bactericidal and antibacterial effects, pesticide residues on surfaces of fruits and vegetables can be effectively removed by virtue of the cleaning agent, and waxiness on surfaces of fruits and vegetables can be also removed, the cleaning agent is non-toxic and harmless to human bodies, and thus fruits and vegetables are more safely eaten.

The invention discloses a process for brewing white liquor of Maotai flavor, which mainly comprises the following steps in turn: preparing grains, carrying out primary feeding, wetting grains, adding yeasts, piling, blending, carrying out secondary feeding, fermenting, collecting liquor and the like, wherein a broomcorn raw material used in primary feeding and secondary feeding are not crushed. In the invention, instead of the conventional grain crushing process, a non-crushed whole grain soaking process is adopted; and the breakthrough in the conventional technical means removes old grains, pesticide residue and odor from the grain raw material and can effectively control the starch dissolution rate and improve quality of the liquor.

The invention discloses a refreshing and sterilizing control device and the control method thereof for realizing safety temperature adjustment and timing in a varying temperature compartment. The control device is used in the varying temperature compartment and comprises a gate controlled switch, a manual switch, a main control panel, an ultraviolet lamp, an LED refreshing lamp and a red warning lamp, wherein the gate controlled switch is used for starting the sterilizing and refreshing control device automatically when a door of the varying temperature compartment is closed and closing the sterilizing and refreshing control device compulsively when the door of the varying temperature compartment is opened; the manual switch is used for closing the sterilizing and refreshing control device compulsively and manually when the sterilizing and refreshing control device is in on-state for a long time, which is caused by that the gate controlled switch cannot work under the state that the door of the varying temperature compartment is opened; and the red warning lamp is started and closed synchronously with the ultraviolet lamp when the door of the varying temperature compartment is in open state. According to the control method provided by the invention, the interval time and the opening time for opening the sterilizing ultraviolet LED lamp are determined by the temperature set in the varying temperature compartment, and the opening of the refreshing LED lamp is determined comprehensively by the set temperature and the actual temperature in the varying temperature compartment.

The invention relates to a preparation method of a natural composite fruit and vegetable cleaning agent, and belongs to the technical field of fruit and vegetable cleaning agents. The method comprises the following steps: firstly, washing and boiling out the rice, wherein the alkaline substances in the rice washing water are allowed to react with harmful substances in the pesticide, so that the pesticide loses toxicity, the starch and the polysaccharide in the rice pulp can effectively dissolve oil stains and impurities on the surface of the fruits and vegetables; extracting tea tree oil from tea tree branches, wherein the fat-soluble small molecules in the tea tree oil are utilized to permeate into the surface layer of the fruits and vegetables, so as to dissolve the pesticide on the surface layer and the surface; subjecting shell to alkali activation and high-temperature firing, wherein the shell powder has strong adsorption and alkaline sterilization action and can decompose residual pesticide, fruit wax and impurities on the surface of the fruits and vegetables. The fruit and vegetable cleaning agent disclosed by the invention solves the problem that the existing fruit and vegetable cleaning agent cannot effectively clean residual impurities, oil stain and pesticide on fruits and vegetables and is easy to remain after the fruits and vegetables are cleaned and secondary pollution is caused; and the removal rate of the fruit and vegetable cleaning agent can reach 98.6%-99.3%, the original flavor of the fruits is not changed, and the fresh-keeping period can be prolonged by 10-15 days.

The invention relates to a low-temperature plasma continuous fruit and vegetable fresh-keeping processing device and a using method thereof. The device comprises a cabinet, a housing, a hood, a plasmagenerator, a fan, and a transmission mechanism. The plasma generator is formed by an array of mul;tiple insulating tubes with metallized inner wall surface, an inner wall metal layer acts as a plasmagenerating electrode, the insulating tube acts as a medium barrier layer, and a cooling liquid is introduced to the tube to simultaneously cool the electrode and a tube wall. The fan diverts airflowfrom top to bottom, and a directional gas forms plasma after passing through the plasma generator, the plasma directionally flows to the surface of tumbling and flowing fruits and vegetables, and thesurface of the tumbling and flowing fruits and vegetables is sterilized at 360 degrees without dead angle to achieve a preservation effect. Accordinfg to the invention, the sterilization and fresh-keeping process is carried out under normal temperature and normal pressure, and a dry sterilization and fresh-keeping treatment is adopted. The plasma reacts with residual agents on the surface of the fruits and vegetables, degrades and eliminates the residual agents, does not damage the quality of food, maximizes original ecological freshness, prolongs a shelf life, has near zero emission, and doesnot pollute the environment.

The invention discloses an alcaligenes faecalis subsp.faecalis strain, an enzyme preparation as well as application thereof in degrading pesticide residue. The invention provides an alcaligenes faecalis subsp.faecalis FY-2 strain, and a preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No. 13518. The invention also provides a method for screening, inducing and domesticating the strain and a preparation method of active enzyme for degrading pesticide residue. Chlorphrifos is used as a carbon source to screen a target bacterium, and the target bacterium is induced and domesticated in single pesticide and mixed pesticide. The strain is fermented, the bacteria are collected, lysed and centrifuged, and the supernatant can be used for preparing the pesticide residue degradation enzyme preparation which can be used for degrading the pesticide residue of vegetables and fruits and has application potential in the aspect of degrading the pesticide residue of the vegetables and fruits.

The invention belongs to the field of cleaner preparation, and particularly relates to a pesticide residue remover for fruits and vegetables. The pesticide residue remover for fruits and vegetables is prepared from 10-15% of vegetable sponge superfine powder, 0.01-0.5% of tea saponin, 3-5% of Malabar spinach extract, 0.1-0.4% of cedrela sinensis juice, 5-8% of starch and the balance semen coicis water extract. The amphiprotic pesticide residue remover for fruits and vegetables is hydrophilic and lipophilic, the rubbing and adsorbing effects of the remover are enhanced with the assistance of vegetable sponge superfine powder and starch, and residues on the surfaces of fruits and vegetables can be easily removed; added tea saponin, Malabar spinach extract and cedrela sinensis juice have the effects of resisting bacteria, diminishing inflammation, killing insects and the like and are natural, free of pollution and harmless to the human body; the pesticide residue remover has good cleaning and sterilizing effects.

The invention discloses a multifunctional cold sterilization basin comprising a water bin basin. An air bin formed by surrounding of an air bin barrel plate is arranged above one end of the water bin basin, the lower portion of the air bin barrel plate is immersed in the water bin basin, a gap is reserved between the lower portion of the air bin barrel plate and the bottom of the water bin basin, an electrical appliance bin is arranged on the top of the air bin, a driving motor, an ozone generating device and a tail gas absorbing and decomposing device are arranged in the electrical appliance bin, a porous inverted-umbrella shaped air-liquid delivering device with multiple nets covering on an umbrella top is arranged on the outer side of the bottom of the electrical appliance bin and connected with a rotating shaft of the driving motor, the umbrella top of the porous inverted-umbrella shaped air-liquid delivering device with the multiple nets covering on the umbrella top is arranged in the water bin basin, and the ozone generating device and the tail gas absorbing and decomposing device are respectively communicated with the air bin through pipelines. By the multifunctional cold sterilization basin, human feet suffering from foot diseases, polluted fabrics, vegetables or the like can be subjected to cold sterilization, high-concentration ozone dissolving in water is realized, and ozone gas harmful to respiratory systems of humans is prevented from leaking.

The invention provides a method and application of a photosynthetic bacteria culture solution in medicinal material planting. The method comprises the following steps: diluting the photosynthetic bacteria culture solution; and evenly irrigating soil, soaking seeds, irrigating roots and spraying. By utilizing the method, the medicinal material growth can be promoted; the occurrence of various disasters can be prevented and treated; the problem of manual culture quality reduction caused by utilizing chemical fertilizers and pesticides can be solved; the traditional Chinese medicine extract content can be increased; the content of the effective components in the traditional Chinese medicinal material is increased; the heavy metal content is reduced; the utilization of the Chinese medicinal material is improved; the sustainable utilization of the Chinese medicinal material is realized; the resources are protected; the implementation of GAP (good agriculture practice) in China can be improved; the problem that crop rotation can not be performed in Chinese medicinal material planting can be solved; and the fertilizer amount is saved by one third.

The invention relates to a microbial inoculum for fermenting and producing organic fertilizers, comprising cellulomonas, bacillus, lactobacillus, methagen, thiobacillus, streptomyces, thermoactinomyces, thermomonospora, azotobacter, nitrosomonas, nitrobacter, rhizobium, aspergillus, yeast, penicillium, humicola, rhizopus and mycorrhizal fungi. In addition, the invention also relates to organic fertilizers fermented and produced by using the microbial inoculum and a method for fermentation and production.

The invention relates to a microbial agent used for producing a soil modifying agent by fermentation, consisting of fiber monad, bacillus, lactobacillus, methanobacteria, thiobacillus, streptomycete, high-temperature actinomyces, high-temperature monad, azotobacteria, nitration monad, nitration bacilus, rhizobium, koji mold, leaven, blue mold, detritus mold, rhizopus as well as mycorrhizal fungi and substrate. In addition, the invention also relates to a soil modifying agent produced by the fermentation of the microbial agent, application thereof and the like.

The invention discloses a processing method of cleaning powder which takes coarse cereals as main raw materials. The processing method comprises the following steps: firstly, grinding millet, black beans, buckwheat and red beans into coarse cereal flour proportionally, slicing radix glycyrrhizae, crushing green beans into green bean sauce, adding water to boil radix glycyrrhizae slices and then fishing out the radix glycyrrhizae slices to obtain radix glycyrrhizae water, pouring the green bean sauce into radix glycyrrhizae water while being hot, airing and grinding into radix glycyrrhizae-green bean flour after the green beans fully absorb radix glycyrrhizae water, cleaning egg shells and then carrying out steam sterilization, airing and grinding into egg shell powder, finally, mixing the radix glycyrrhizae-green bean flour, the egg shell powder and the coarse cereal flour according to a weight ratio of (10-20):(0.5-10):(50-100), thereby being capable of preparing the coarse cereal cleaning powder. The processing method of the coarse cereal cleaning powder, disclosed by the invention, completely uses the coarse cereals, the egg shells and the like as the raw materials, thereby being green and environment-friendly; the prepared coarse cereal cleaning powder has a strong decontamination ability and a detoxifying effect on pesticide residues of vegetables and fruits, further does not hurt hands in the process of using and has health and nutrition effects for skin.

The invention discloses a method for preparing a water-retaining biological organic fertilizer by using high-water-content poultry and livestock manure. The method comprises the following steps: adding calcium-containing mineral powder into the high-water-content poultry and livestock manure, and stirring uniformly to obtain poultry and livestock manure slurry; mixing the slurry with concentrated sulfuric acid to ensure that the poultry and livestock manure slurry is solidified; adding a soil biological enzyme water-retaining agent into the solidified poultry and livestock manure to perform fermentation so as to obtain a decomposed water-containing and water-retaining biological organic fertilizer; and then drying to dewater until the water content is less than 12%, thereby obtaining a water-retaining biological organic fertilizer. According to the method, the high-water-content poultry and livestock manure and a soil biological enzyme are fermented together to obtain the water-retaining biological organic fertilizer, so that the aims of reasonably utilizing the poultry and livestock manure, improving the hygienic environment of a poultry and livestock farm, reducing breeding of mosquitoes and preventing the poultry and livestock manure sewage from flowing into a water channel are achieved; and the obtained water-retaining biological organic fertilizer contains rich nutrient elements, and can eliminate fertilizer damages and pesticide residues in soil, thereby effectively improving the activity of the soil, culturing high-quality crops and improving the production output.

The plant extract for eliminating organophosphorus pesticide is alliin extracted from garlic or garlicin produced through oxidizing alliin. The plant extract may be mixed with solvent and surfactant to form plant extract composition for eliminating organophosphorus pesticide. Specially, one kind of plant extract composition consists of alliin and / or garlicin in 50 wt%, surfactant sodium dodecyl benzoate or sodium dodecyl benzene sulfonate in 5 wt% and solvent coconut oil diethanolamine in 10 wt%. When it is used, the plant extract composition is diluted by 200-1000 times and sprayed to plant for washing.

The invention discloses an organic planting method for flue-cured tobacco obtained after soil improvement. The planting method comprises the steps of 1 field plot selection, 2 flue-cured tobacco variety selection, 3 soil improvement and 4 flue-cured tobacco planting. Due to the comprehensive soil improvement mode of fallowing, shallow ploughing and deep ploughing, the purpose of effectively improving the deteriorated soil is achieved, the land soil structure, beneficial microbial communities and nutrient balance are better improved, the problems of original growth imbalance, nutrient imbalance, tobacco leaf quality decrease and the like are solved due to the planted flue-cured tobacco, tobacco plants grow well, and the tobacco leaf yield and quality are obviously improved. No chemical fertilizer or chemical pesticide is needed in the whole process, the field production and management mode is adopted, the produced flue-cured tobacco is good in growth and development in the whole growing period, and tobacco leaves are delicate and pretty and have little diseases.

The invention discloses microorganism fermented organic fertilizer and a preparation method thereof. After lotus corniculatus is cut, cattle, horses and sheep are fed with fresh grass or dry grass; the lotus corniculatus accounts for 50 percent or more of the total food weight of the cattle, the horses and the sheep; lotus corniculatus plants are partially decomposed and crushed when the cattle, the horses and the sheep ruminate and repeatedly chew the lotus corniculatus plants and the lotus corniculatus plants are fermented in stomachs, and then excrement is formed; the excrement is mixed with mixed straws, sawdust, plant ash and canteen waste dreg; then the materials are stacked together and are subjected to first-time fermentation; after the first-time fermentation is finished, fermented matters are turned; a microorganism nutrient solution and crushed lotus corniculatus root stalks are added layer by layer in a turning process and are subjected to secondary fermentation; a mixtureis turned for one time every other 3 to 10 days, so as to prepare the microorganism organic fertilizer. By adopting the organic fertilizer, the problem that underground insects are easy to hatch in afermentation and composting process of the biological organic fertilizer can be solved; meanwhile, after the fertilizer is applied, the breeding and reproduction capability of the underground insectsof a fertilized land can be inhibited, so that the problem of soil insect pests is radically solved, self-balance of soil is regulated and controlled and the self-recovery capability of the soil is improved.

The invention relates to continuous fruit-vegetable preservation plasma treatment equipment and a using method thereof. The equipment comprises a box, an electrode component, a power source, an air blower, air incoming holes, air outgoing holes, a transmission rack, a feeding bucket and a discharging tank, the box comprises a discharging area and a treatment area, the transmission rack is arrangedin the treatment area, and the electrode component is arranged in the discharging area. The using method is simple in operation, and the equipment is convenient to use and simple in loading and unloading. The equipment is used at normal temperature and normal pressure, effective sterilization is realized without damaging food quality, original freshness is maintained to greatest extent, pesticideresidue on the surfaces of fruits and vegetables is eliminated, and fruit-vegetable preservation period is prolonged.

The invention provides a high-pressure gas-liquid mixing washing basin. The high-pressure gas-liquid mixing washing basin comprises a basin body, a sprayer installed in the basin body, a high-pressuregas pump used for generating high-pressure gas, an electrolytic water generator used for generating electrolytic water, and a gas-liquid mixing chamber connected with the high-pressure gas pump, theelectrolytic water generator and the sprayer. After the high-pressure gas is introduced into the gas-liquid mixing chamber, under the injection effect of high-pressure gas, the electrolytic water canbe introduced, and a gas-liquid mixture can be formed. The high-pressure gas-liquid mixing washing basin has the effects of automatic washing, sterilization and disinfection.

The invention discloses a weak alkali fruit cleaning and fresh keeping waxing agent. The weak alkali fruit cleaning and fresh keeping waxing agent comprises the following components in parts by weightbased on total weight of 100 parts: 5-20 parts of a natural or modified waxing film former, 0.1-10 parts of a ripener, 0.1-10 parts of an emulsifying agent, 0.1-10 parts of organic alkali, 0.1-5 parts of an antifoaming agent, 0.1-5 parts of an antifreeze agent, 0.1-5 parts of essence, 0.1-10 parts of a processing aid and the balance of water. Through adoption of the weak alkali fruit cleaning andfresh keeping waxing agent disclosed by the invention, pesticide residues on the surfaces of fruits can be effectively removed, the fruits are ripened, a wax layer bright in color can be formed on the surfaces of the fruits, besides, moisture of the fruits can be prevented from being dissipated for a long term, and the fruits look bright and attractive in gloss. Through adoption of the weak alkali fruit cleaning and fresh keeping waxing agent disclosed by the invention, the wax layer formed on the surfaces of the fruits can be removed through water washing, so that the weak alkali fruit cleaning and fresh keeping waxing agent is harmless to human bodies and is healthy and safe.

The invention provides an ammonium sulfate paste tobacco bud inhibitor and an application method thereof. The bud inhibitor is prepared by taking ammonium sulfate as a bud removing active substance and paste as a carrier at the mass ratio of the ammonium sulfate to the paste of 2 to 1; the paste is paste formed by mixing flour and water in a container at the mass ratio of 1 to 8, pouring the mixture into a boiler, heating by an induction cooker with the power of 500W to 100 DEG C and boiling for 2min. The application method comprises the following steps: preparing the bud inhibitor; then, preparing for bud inhibition; selecting a tobacco plant with tobacco bud as a treatment object; directly smearing ammonium pyrosulfate paste tobacco bud inhibitor on the tobacco bud by adopting a brush; after treating, checking for one time every 3d to 5d and carrying out paste smearing and bud removal on newly growing tobacco buds in sequence so as to realize the aim of inhibiting the buds. The ammonium sulfate paste tobacco bud inhibitor has the advantages that the ammonium sulfate paste tobacco bud inhibitor is safe to human and livestock and the tobacco buds are withered fall off after the bud inhibitor is smeared; the consumption on potassium nutrients by the tobacco buds is reduced; pesticide residues on tobacco leaves, caused by chemical bud removal, are eliminated and the bud inhibitor is suitable for all tobacco planting farmers and units.

The invention discloses a fruit and vegetable sterilization machine. The machine includes a shell which is provided with a through hole; the machine comprises an ozone generator, an ultrasonic generator, a control piece and a coil pipe output piece which are arranged inside the shell; the control piece is separately connected to the ozone generator, the ultrasonic generator and the coil pipe output piece; the ozone generator and the ultrasonic generator are separately connected to the input end of the coil pipe output piece; the output end of the coil pipe output piece is over against the through hole; the control part controls the output end of the coil pipe output piece, and performs reciprocating motion inside and outside the shell; and a power supply piece is separately connected to the ozone generator, the ultrasonic generator, the control piece and the coil pipe output piece. According to the machine of the application, the coil pipe output piece can flexibly sterilize fruits andvegetables in various volumes, and ozone generated by the ozone generator and ultrasonic generated by the ultrasonic generator are used for performing double sterilization, so that the pesticide residues and pigments on the fruits and vegetables can be efficiently and completely removed.

The invention discloses a processing technology of picked fresh tea.The processing technology comprises the following steps that 1, the picked fresh tea is spread until a moisture content of the tea is 65-75%; 2, the tea obtained in the step 1 is placed in a pesticide degradation device to degrade residual pesticides, then the tea is dried after washed, the dried tea is immersed in ethanol and ultrasonically processed for 6-8minutes; 3, the tea obtained in the step 2 is dried and the dried tea is put into a fresh bamboo tube for aerobic fermentation; 4,the tea after fermentation processing is rolled by a rolling machine; 5,the rolled tea is put into a steam-hot fixation machine to be fixed for three times; 6, after fixation is completed, the tea is transferred to a deblocking machine to be scattered, and after deblocked, the tea is put into a dryer to be dried and taken out until the moisture content of the tea is 20-30%; 7,the tea is spread and dried for moisture regaining, formation is carried out at the temperature of 80-90 DEC C, and then the tea is dried until the moisture content is equal to or less than 6%.

The invention provides a natural and nontoxic washing agent for removing pesticide residues on fruits and vegetables. The natural and nontoxic washing agent for removing the pesticide residues on the fruits and the vegetables is prepared from the following raw materials in parts by weight: 10 to 15 parts of modified starch, 10 to 15 parts of gypsum and 9 to 18 parts of lime putty, and the raw materials are made into an emulsion. Compared with the prior art, the natural and nontoxic washing agent for removing the pesticide residues on the fruits and the vegetables has the beneficial effects that the raw materials are mostly natural ingredients; the natural and nontoxic washing agent for removing the pesticide residues on the fruits and the vegetables does not pollute an environment, has no harm to a body, and can be used for effectively removing the pesticide residues on the surfaces of the fruits and the vegetables when being added into water to wash the fruits and the vegetables; the flavors of the fruits and the vegetables are not changed.

A tobacco sprout-inhibiting weed-killing agent is provided. The sprout-inhibiting weed-killing agent is a NaOH solution having a concentration of 5% by adopting NaOH the purity of which is 100% as a solute and water as a solvent with a mass ratio of the NaOH to the water being 5:95. An applying method includes a step of preparing the sprout-inhibiting weed-killing agent, a step of sprout inhibition preparation, namely a step of selecting tobacco plants with sprouts or a tobacco farm overgrown with weeds as a treating object, a step of directly smearing tobacco sprouts with the NaOH solution having the concentration of 5% with a brush, a step of spraying weeds in the tobacco farm with the NaOH solution having the concentration of 5%, a step of checking every 3-5 days after treatment and coating newly grown sprouts orderly to remove the sprouts, and a step of spraying or manually pulling up weeds not killed which are of a small amount, thus achieving the objective of inhibiting sprouts and killing weeds. The sprout-inhibiting weed-killing agent and the method are advantageous in that the sprout-inhibiting weed-killing agent is safe to human and livestock and has significant sprout inhibiting and weed killing effects, tobacco sprouts wither and drop after being smeared, potassium nutrient consumption of the tobacco sprouts is reduced, tobacco leaf pesticide residues during chemical sprout removing and chemical weed killing are avoided, and the sprout-inhibiting weed-killing agent and the method are suitable for all tobacco planting farmers and units.