155 results about "Lime sulfur" patented technology

The invention discloses a restoration agent for lowering cadmium / lead effective state content in soil, which is composed of quicklime, calcium sulfate, wood charcoal, iron chloride and water, wherein the weight ratio of the quicklime, calcium sulfate, wood charcoal and iron chloride is (1-2):(1-2):(1-2):(0.5-1), and the water accounts for 30-45 wt% of the soil. The restoration agent can be used for treating heavily polluted soil; and common chemical passivators can only restore lightly polluted soil, and do not have obvious effect on heavy pollution. The restoration agent can be used for treating both acidic soil and neutral soil. The restoration agent has high remediation efficiency for cadmium polluted soil; the reaction mechanisms relate to chemical precipitation and physical adsorption; and when one action fails due to change of the outside conditions, the other action can perform the guarantee function. The restoration agent has certain control actions on the lead effective state content in the polluted soil.

The invention discloses a technology of enhanced-dispersion partial selective and bulk flotation of lead and zinc sulfide ores under low and high alkalinity. During grading of the lead and zinc sulfide ores, sodium hexametahposphate is taken as a dispersion agent and directly added into a ball mill, the ores are ground till the ores with the size of 0.074mm account for 67%-70%, lime is taken as an adjusting agent, zinc sulfate and sodium sulfite are taken as inhibitors, dithiophosphate BA and diethyldithiocarbamate are taken as collectors, and selective flotation of part of lead minerals with good floatability can be performed under low alkalinity; then xanthate and the diethyldithiocarbamate are taken as collectors, and the flotation of the lead minerals is further performed under high alkalinity; copper sulfate is added in lead flotation tailings for activation, butyl xanthate is further taken as the collector for flotation of zinc blende and part of pyrite, and zinc-sulfur separation flotation is further performed on zinc-sulfur mixed concentrate; and sulfuric acid is added in zinc flotation tailings for activation, and the xanthate is taken as the collector for flotation of the remaining pyrite. By adopting the technology, the lead-silver recovery rate can be improved, the using amount of lime and sulfuric acid can be reduced, the circulating amount of middlings can be reduced, the ore dressing cost can be reduced and the grade of the concentrate can be improved.

The invention discloses a whitewashing agent applied to the protection of tree trunks and application. The whitewashing agent comprises the following components in percentage by weight: 40 to 45 percent of calcined lime, 2 to 3 percent of lime sulfur mixture stock solution, 3 to 6 percent of lime sulfur mixture residues, 2 percent of salt, 0.5 percent of grease and the balance of water, wherein the lime sulfur mixture residues are a mixture which mainly contains silicon oxide. A preparation method for the whitewashing agent comprises the following steps of: adding the water and lime hydrate into a reaction kettle, and heating and stirring continuously for later use; putting the calcined lime into a hot-water boiler, and dissolving to prepare lime milk solution, putting sulfur powder which is blended to form paste in advance, stirring and mixing while adding the pasty sulfur powder for 40 to 60 minutes until liquid medicine has a rufous color, and the liquid surface has a layer of membrane, cooling the liquid medicine and collecting supernatant; and mixing the two liquid mixtures, heating, stirring and cooling to obtain the whitewashing agent. By applying the whitewashing agent, fruit tree barks can be prevented from being cracked, the resinosis can be avoided, the day-night temperature difference of branches can be reduced, and pathological changes caused by cold damage and insect attack can be prevented effectively, so the whitewashing agent can be used in various fields.

The invention discloses a lead-zinc floating recycling method from gold ore cyanation tailings, which comprises the following steps: (1) predisposing: adding water in the cyanation tailings; stirring to form ore paste; adding active carbon, Y0 agent, FeSO4+ammonium persulphate in the ore paste; (2) asynchronous mixing-selecting: sending the predisposed ore paste to the floater group I to proceed first roughing separation; adding Y0 agent, limestone, butyl airpotato yam to float galena; sending the tailings in the first roughing separation to floater group II; adding Y0 agent, limestone, cupric sulfate, butyl airpotato yam to float zincblende; (3) recycling and purifying tailing water: adding chlorinated lime in the tailing water to decompose CN- less than 0.5 mg per L; recycling the tailing water.

The invention discloses a solidification treatment method for sludge of urban sewage plants. The method comprises the following steps of (1) adding curing agent consisting of lime, sulfate aluminum cement, portland cement and fly ash in dehydrated sludge based on the weight of the dehydrated sludge, wherein the weight percentage of lime, sulfate aluminum cement, portland cement and fly ash in the curing agent are as follows: 1.2-1.9% of lime, 3.0-6.1% of sulfate aluminum cement, 3.0-3.7% of portland cement and 4.7-6.0% of fly ash; and (2) mixing the sludge added with the curing agent to form precursors of solidified blocks, piling the precursors up according to a height of 7 cm, and covering with waterproof membrane, maintaining the precursors for three days with a dry maintaining method, and forming sludge solidified blocks. The method provided by the invention has the advantages of efficiency, low cost, simple operation and the like.

The invention relates to medium soil produced prepared from active sludge building waste residue and a production method of the medium soil. The production method of the medium soil is characterized by comprising the following steps of: uniformly mixing active sludge, quick lime, ferrous sulfate and magnesium sulfate, carrying out deodorization, sterilization and chelation, drying and crushing; then, carrying out dynamic type high-temperature aerobic fermentation on the crushed mixture, forestry three-residue waste residue, peanut shells and an organic material decomposition agent; drying, grinding and screening the fermented mixed clinker to prepare mixed powder; uniformly mixing the mixed powder with raw materials including building waste residue soil, calcium hydrophosphate, ammonium nitrate, potassium sulphate, amino acid, a root growth promoting agent, potassium polyacrylate and soil improvement agent by utilizing a stirrer and drying, then, packaging into an active sludge building waste residue medium soil product by adopting a full-automatic electronic metering machine. The product has the advantages and effects of containing nitrogen, phosphor, potassium and various trace elements as well as various nutrients of organic acid for meeting the growth needs of plants, having no pollution, low cost and good benefits, and protecting the environment, and saving the land.

The invention discloses an energy-saving optimizing technology for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral, which includes the following steps: 1) feeding water to blend gold concentrate or gold ores into ore pulp; 2) spraying the newly-pressurized the ore pulp into the reaction chamber of a microwave roasting furnace to form spray, and simultaneously spraying lime powder to carry out microwave radiation roasting in the reaction chamber; 3) discharging the calcine from the microwave roasting furnace, feeding Fe2(SO4) 3 and FeSO4 into the calcine, and feeding water for fine grinding; and 4) feeding Na2SO3, copper sulfate and ammonia water into the fine ground ore pulp, and carrying out first-stage LSSS leaching; adding lime sulfur into the washed leaching residue after the first-stage LSSS leaching for second-stage LSSS leaching; and recovering the pyrrhotite from the leaching residue through the magnetic separation method after the second-stage LSSS leaching. By adopting the technical scheme, the leaching rate of the gold in the sulfur-bearing gold mineral or the gold concentrate can be improved to more than 97%.

An efficient batch or semi-continuous method of production of relative high concentration, low byproduct-containing, calcium thiosulfate (CaS2O3) from lime, sulfur or calcium polysulfide, and sulfur dioxide under elevated reaction temperature conditions is described. The product is an emulsion of liquid calcium thiosulfate and solid byproducts. Under the conditions of the art, including the mole ratios of lime to sulfur, the temperature of the reaction process and the sulfur dioxide reaction conditions, including rate and duration, the byproducts are reduced to about 2% by weight.

A preventive method for kiwifruit canker includes system approaches of breaking down invasion ways of germs, avoiding proper temperature for the germs, managing water, fertilizer and soil, managing plants, managing sterilization, managing freeze protection and the like. The preventive method has the advantages that lime sulfur basic solution can be applied to wounds of the kiwifruit plants to break down the invasion ways of the germs; as the germs only attack at the temperature range of from 5 DEG C to 29 DEG C, avoiding the proper temperature for the germs to manage pruning can avoid canker;managing water, fertilizer and soil can improve growth environment for the plants and improve germ resistance of the plants; managing the plants can also improve disease resistance of the plants; managing sterilization can kill the germs; managing freeze protection can also avoid germ invasion due to plant injury; and using the series of system approaches can effectively avoid kiwifruit canker.

The invention relates to a method for planting chrysanthemums. The method comprises the steps of seed selecting, planting, watering, disease prevention and insect prevention, fertilization and flower harvesting, wherein seed planting, planting, watering and flower harvesting are done according to the conventional methods, soil disease prevention and insect prevention processing is added, and the methods of fertilization and disease prevention and insect prevention are improved. According to the method, soil is turned up and furrowed in early December every year, the amount of lime put into the soil is 150kg / mu, and lime sulfur is sprayed on the chrysanthemums in mid-February of the coming year; after the chrysanthemums are planted for one month, fertilizer is applied to the chrysanthemums after the chrysanthemums turn green, nitrogenous fertilizer is mainly applied to the chrysanthemums at the first time, cake fertilizer and night soil are applied to the chrysanthemums at the second time, all-in-one protein fertilizer is better, fertilization is conducted on the chrysanthemums five to six times every year, 13ml of protease, 28ml of humic acid and 22kg of water are mixed to be sprayed onto leaf surfaces, and root manure is organic and accounts for 80-85% of the whole-year fertilizer; protease and humic acid which avoid insects are mixed with water to be sprayed onto the leaf surfaces, yellow paper boards are installed for insect prevention, and one-year-old chicks are put into farmland to eat the insects to avoid the insects. The method for planting the chrysanthemums is suitable for large-area planting, and the produced chrysanthemums are big and brightly yellow in flower, fleshy in petal and large in petal number, have the ball-shaped appearance, are fragrant and sweet, and have no diseases or insects.

The invention relates to a method for comprehensive prevention and control of plant diseases and insect pests in northern pear gardens. When flower buds of pear trees are just revealed, pesticide is applied for the first time, and the used pesticide is 5-degree lime sulfur. When 90% of flowers of the pear trees fall, the pesticide is applied for the second time, and the used pesticide is 20% acetamiprid powder or 48% chlorpyrifos emulsifiable concentrate. Before young pear fruits are bagged, the pesticide is applied for the third time, and the used pesticide is 5000 times of 10% imidacloprid or 4000 times of 1.8% abamectin emulsifiable concentrate and 1000 times of 70% thiophanate methyl wettable powder or 400-600 times of 70% atomized mancozeb wettable powder. The appropriate pesticide application time and appropriate pesticide are selected according to the plant diseases and insect pests at the stages, and only three-time pesticide application is needed. In addition, natural glass growing and corrugated paper binding on tree trunks in the gardens and the method for the comprehensive prevention and control of the plant diseases and insect pests are combined, the ecological environment is protected, natural enemies of the pear gardens are protected and utilized, and safe pear production is achieved.

The invention relates to a fertilizer for reducing cadmium content of peanut and application thereof. The fertilizer for reducing the cadmium content of the peanut is prepared according to alkalinity or acidity of soil; 30-40kg gypsum, 0.6-0.8kg of copper sulfate, 0.8-1kg of zinc sulfate, 0.5-0.8kg of ferrous sulfate, and 1-1.5kg of manganese sulfate are compounded, mixed uniformly and applied per hectare of alkaline or neutral soil; and 40-50kg of lime, 0.6-0.8kg of copper sulfate, 0.8-1kg of zinc sulfate, 0.5-0.8kg of ferrous sulfate, and 1-1.5kg of manganese sulfate are compounded, mixed uniformly and applied per hectare of acid soil. According to the fertilizer, adsorption and antagonistic action between elements is utilized, and elements with the same valence as cadmium are applied in a balanceable mode, so that the adsorption of the peanut on the cadmium can be inhibited, the content of the cadmium in peanut seeds is reduced, the requirement of the peanut on various nutrient elements can be met, decayed fruits caused by interaction of potassium and calcium due to high-quantity application of calcium are avoided, the yield of the peanut is improved, and high yield and food safety are synchronized. Experiments show that according to the fertilizer, the fruit number per plant is increased to be 0.9-1.5 / plant, the milled rice rate is improved by 5.6 percent-12.1 percent, the yield of legume is increased by 9.8 percent-16.2 percent, and the content of the cadmium in the peanut seeds is reduced by 22.1 percnet-39.0 percent.

The invention discloses a pear pest and disease prevention and control method. The pear pest and disease prevention and control method is characterized by comprising the steps that cultivation management is strengthened, an applied organic fertilizer is increased to improve the disease-resistant ability of tree bodies, intertillage and weed removal are performed in time, accumulated water in an orchard is discharged, the temperature is reduced, the ventilating and light-transmitting capacities are enhanced, a phosphorus potassium fertilizer accounting for no less than 60% of the total fertilizer percentage is applied, and tree trunk whitening is suitable for implementation after leaf falling but before freezing up, wherein the whitened positions are mainly tree trunks; overwintering microbial sources are wiped out, the orchard is thoroughly swept before disease occurrence to remove fallen leaves and fruits in the orchard, the fallen leaves and fruits are destroyed in a centralized mode, and 4 Beaume degrees of lime sulfur is sprayed to eradicate the overwintering microbial sources; after blossom fall of pear trees, one-time foliar spraying is performed every 5-10 days, spraying continues for 3-5 times, and 600-800 times of liquid of 50% Tuzet wettable powder is sprayed for one time before fruit bagging, wherein a foliar spraying agent is prepared by mixing 15% triadimefon and 50% carbendazim according to the ratio of 3:1 and then using 1000-1500 times of water to perform dilution.

The invention relates to a method for protecting trunks of poplar saplings, which belongs to the technical field of protection of wood saplings. The method comprises the following steps of: I, preparing PE (Polyethylene) pipes, wherein the PE pipes are 2-3 millimeters in thickness, 5-6 centimeters in diameter and 45-55 centimeters in length, and single sides of the PE pipes are broken along the axial direction; and II, afforesting, trimming trunks and branch piles on poplar saplings on the ground and below 60 centimeters away from the ground, wherein the trunk surfaces of the trimmed poplar saplings are smooth. The method has high prevention and control efficiency and is low in cost, and 30 percent of cost is saved in comparison to the conventional prevention and control measure; good prevention and control effects are achieved, materials can be used circularly, and the gnawing prevention rate can be up to 100 percent in prevention and control processes; and moreover, the occurrence of pests and diseases is reduced, the cost on coating of a lime sulfur mixture onto trunks every year under the conventional prevention and control conditions for preventing and controlling pests and diseases can be lowered, and the prevention and control cost is saved.

The invention provides a method for preventing longan fruit trees from frosting. The method comprises the following steps of: whitening the trunks by lime sulfur before winter, wherein the lime sulfur comprises the following components of: 12 parts of quick lime, 1-2 parts of salt, 2 parts of stickers (such as clay and grease), 2 parts of lime sulfur stock solution and 35 parts of water; hilling tree bases, placing one layer of rice straws or plant ash in each tree base, and then earthing; spraying an antifreeze agent and potassium chloride solution on the leaf surfaces once every 7 days, and continuously spraying for 2 to 3 times; and fuming at windward parts during the frosty night when the temperature is descended to the critical temperature frosting longans, and setting the fuming parts at many places. By the scheme, the longan fruit trees can be obviously prevented from frosting in winter.

The invention discloses a high-survival-rate tea-oil tree cultivation method which comprises the following steps of cuttage, cuttage management, field selection, scientific land preparation, transplantation towards land, land management and harvesting. According to the high-survival-rate tea-oil tree cultivation method, the survival rate and growth speed of cuttage seedlings are greatly improved by improving a cuttage seedling cuttage method, strengthening disinfection and rooting treatment process, improving a culture medium and comprehensively managing cuttage environment maintenance, the problems of low survival rate and low growth speed of the cuttage seedlings in high-temperature and dry climate are effectively solved, and cuttage operation can be performed in all seasons. During land preparation, lime and a lime sulfur are put to play disease and pest preventing effects, a scientifically prepared organic fertilizer is added during transplantation towards land and is subjected to disinfection treatment, the growth speed of tea-oil trees is greatly improved, diseases and pests can be also decreased, and the yield is increased.

The invention discloses a method for cultivating camellia oleifera. The method for cultivating the camellia oleifera comprises the following steps of seed treatment, germination accelerating, greenhouse seedling, field selection, scientific field preparation, transplantation in field, field management and harvesting. The method for cultivating the camellia oleifera adopts a biological organic fertilizer having rich organic matters and high fertilizer efficiency, has the advantages of increasing soil organic matters, improving soil structure, promoting soil microbial activities, enhancing soilfertilizer maintaining and fertilizer supplying, and obviously increases crop yields and improves the quality of agricultural products. During the field preparation, limes and lime sulfur mixtures areinput to achieve the effect of preventing disease and pests. During the transplantation in field, the organic fertilizer with a scientific formula is added and the organic fertilizer is disinfected,so that not only the growth speed of the camellia oleifera is greatly increased, but also the disease and pests are reduced to improve the yield. The use of a Chinese herbal medicine for repelling pests and avoiding the use of pesticides is not only good for controlling pests and diseases, but also safe to natural enemies, and has practical application values, so that the production of the camellia oleifera strives forward to goals of high quality, high yield, safety and health.

The invention relates to a forest activity controlled-release coating agent. The forest activity controlled-release coating agent is prepared from the following components in parts by weight: 5-15 parts of a polymer film-forming agent, 5-15 parts of water-soluble controlled-release resin, 5-10 parts of an emulsifying agent, 1-3 parts of a dispersing agent, 1-2 parts of a coloring indicator, 4-15 parts of an inert carrier and 40-79 parts of water; the above raw materials are mixed and ground to form suspension liquid having certain viscosity, which is the activity controlled-release coating agent. The invention also relates to application of the forest activity controlled-release coating agent to pest control; the forest activity controlled-release coating agent is mixed with an insecticide, a bactericide and the like, the mixture directly coats tree trunks to form long-acting controlled-release protective chemicals. The forest activity controlled-release coating agent has strong adhesiveness, has falling-off resistance, is breathable and permeable and has high stability, effective ingredients can be added in a targeted manner, and the defects that the traditional lime sulfur has short storage period, can lose efficiency easily, can cause diseases easily, and cannot be mixed with other pesticides are overcome; and besides, the operation is simple and easy, the labor intensity is low, the labor and time are saved, and the forest activity controlled-release coating agent can be applied and popularized conveniently.

The invention relates to a method for preventing grape diseases, which comprises the following steps of: a) after grape defoliation and before early spring sprouting, spraying lime sulfur with a baume degree at 5-6 for 2 times; b) during the growth period from July to October, spraying a Bordeaux mixture (diluted for 200 times) for one time per 15-20 days, and totally spraying for 6-8 times; and c) after blooming for 10, 40 and 70 days, spraying Vitacat (diluted for 10000 times) for 3 times. According to the method provided by the invention, the lime sulfur, the Bordeaux mixture and the Vitacat are adopted during different growing periods of the grape; the technical effect is obvious; the method is simple and labor-saving, is low in cost, can effectively prevent downy mildew and powdery mildew of the grape, and plays a significant role in ensuring the production of green, organic and high-class grape.

The invention relates to an edible fungus cultivation medium containing waste feed as major ingredient and a preparation method of the edible fungus cultivation medium containing waste feed as major ingredient, and belongs to the technical field of edible fungus cultivation. The edible fungus cultivation medium containing waste feed as major ingredient contains the following ingredients: waste feed, wood dust or cottonseed hull, calcium superphosphate, urea, lime, magnesium sulfate, Mepartricin and calcium carbonate. The invention also provides the preparation method and the application of the edible fungus cultivation medium. As compared with the conventional cultivation media (such as cottonseed hull, wood dust and corn cob), the application of waste feed as cultivation medium for edible fungus cultivation can save materials and reduce cost.

The invention discloses a method for preparing a plant medicament for preventing and controlling wheat scab disease. The plant medicament comprises 5,000 grams of pine needle, 2,000 grams of tobacco leaf, 3,000 grams of nux vomica, 8,000 grams of tea dregs, 3,000 grams of thunder god vine powder and 5,000 grams of lime sulfur mixture. The method comprises the following steps: crushing the pine needle, tobacco leaf, nux vomica, tea dregs and thunder god vine powder according to the proportion and putting the crushed mixture into a large iron pan, adding 100 kilograms of warm water into the iron pan and soaking the mixture for 5 minutes, then decocting the mixture by intense fire for 30 minutes, stopping the fire, filtering the decoction, and mixing and stirring the decoction and the lime sulfur mixture for 10 minutes intensively to form a finished product.

The invention discloses a method for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral, which includes the following steps: 1) blending gold concentrate or gold ores into ore pulp; 2) spraying the newly-pressurized the ore pulp into the reaction chamber of a microwave roasting furnace to form spray, and simultaneously carrying out microwave radiation roasting in the reaction chamber; 3) discharging the calcine from the microwave roasting furnace, feeding lime powder, Fe2(SO4)3 and FeSO4 into the calcine, for fine grinding, and heating the fine ground ore pulp; and 4) feeding Na2SO3, ammonia water and copper sulfate into the heated ore pulp, and carrying out first-stage LSSS leaching; adding lime sulfur into the washed leaching residue after the first-stage LSSS leaching for second-stage LSSS leaching; and recovering the pyrrhotite from the leaching residue through the magnetic separation method after the second-stage LSSS leaching. The elemental sulfur produced through anaerobic roasting is compounded into lime sulfur for non-cyanogen gold leaching, therefore the production efficiency and the gold leaching rate are effectively improved.

The invention discloses a plant bactericide and a preparation method thereof and relates to the field of pesticides. The plant bactericide comprises the following components in parts by weight: 2-6 parts of asarum sieboldii, 3-7 parts of turmeric, 5-7 parts of radix sophorae flavescentis, 2-4 parts of liquorice, 1-5 parts of aconite, 0.5-2 parts of sulfur, 3.5-5 parts of rosin, 5-10 parts of calcium oxide, 2-5.5 parts of chlorothalonil, 5-10 parts of Dasheng, 1-5 parts of penncozeb, 7-10 parts of antracol, 10-12 parts of lime sulfur, 4-10 parts of iprodione, 3-6 parts of Guangkuling, 6-9 parts of agricultural streptozotion, 2-5 parts of Qingkuling, 4-8 parts of Xinjunan and the balance of water or tar. By adopting the technical scheme, the production efficiency is high, the steps are simple, the cost is low, the technical scheme is easy to implement, the raw materials are easily available, and the crop sterilization is enhanced while the crop growth can be protected and pesticide resistance is not generated easily.

The invention discloses a drug for preventing and treating gummosis. The drug contains the following ingredients in parts by weight: 10-15 parts of 50% alkaloid-gardenoside, 8-12 parts of 70% Baume-degree lime-sulfur mixture, 10-15 parts of 70% mancozeb wettable powder, 4-8 parts of icariin, 4-8 parts of hypericin, 6-10 parts of forsythin, 4-8 parts of bupleurum roots and 6-10 parts of artemisia annua. The drug is simple in proportion and convenient in use, and the treatment effect on peach tree gummosis is good; shown by testing, the solution of a volume which is 400-600 times that of a mixture has an obvious inactivation effect on botryosphaeria and peach physalospora (belonging to ascomycotina) and has a good bactericidal effect.

A bactericide for the melon and fruit crops is proportionally prepared from calcium lime, copper sulfate and plant ash through proportionally dissolving the broken calcium lime in cold water and the copper surface in cold water, mixing, adding plant ash, and stirring. It can be used to treat the anthracnose, powdery mildew, black spot and leaf spot of cucumber, watermelon, grapevine, fruit tree, tomato, etc.

The invention provides a spraying device for spraying lime sulfur to fruit trees. The spraying device comprises a housing. A mounting frame, the section of which is inverted U-shaped, is arranged on abottom plate of the housing, the lower portion of the mounting frame is fixedly connected to a buffer tank, and a material conveying pipe is arranged in the bottom of the buffer tank; a turbochargeris arranged on the buffer tank, an air filter assembly is arranged at the air inlet of the turbocharger, and the air outlet of the turbocharger extends into the buffer tank; a pipe wrapping shaft is rotatably arranged on the upper portion of the mounting frame, a plurality of rings of material spraying hoses wind the pipe wrapping shaft, and a spray gun is arranged at the discharge port of each ofthe material spraying hoses; a filter is arranged between each of the material spraying hoses and the buffer tank, the feed inlet of each filter is connected to a feeding pipe, the feeding pipe extends into the bottom of the buffer tank, and the discharge port of each filter communicates to the feed inlet of each material spraying hose; and a pipe retrieval mechanism for driving the pipe wrappingshaft to rotate is arranged on the mounting frame. Impurities in air are removed, so that the smoothness of lacquer finish is improved; the material spraying hoses can be also received, so that the material spraying hoses are prevented from breaking as a result of movement.

The invention discloses a zinc and magnesium-containing whitening agent for preventing and treating plant tree trunk diseases and pests and a preparation method thereof, and the inc and magnesium-containing whitening agent for preventing and treating the plant tree trunk diseases and pests comprises the following raw materials in parts by weight: 50-300 parts of calcium oxide powder, 300-600 partsof heavy calcium carbonate, 10-20 parts of magnesium sulfate, 10-20 parts of a a zinc-containing inorganic bactericide, 1-15 parts of a film-forming agent, 5-25 parts of redispersible latex powder and 10-20 parts of a dispersing agent, and the problems that a whitening layer is easy to fall off in the long-term use process of the traditional whitening agent, salt in the whitening agent is easy torinse by rainwater to flow into soil so as to accelerate the salinization of the soil, and organic pesticides and a lime sulfur mixturehave potential environmental pollution hidden dangers can be expected to be solved.

The invention discloses a flower thinning treatment method for pear trees. The method comprises the following steps: carrying out decocting to prepare a lime sulfur mixture, and diluting the lime sulfur mixture until the concentration of the lime sulfur mixture is 0.5-1 degree; preparing an aqueous solution of sodium naphthalene acetate, wherein the mass concentration of the aqueous solution of sodium naphthalene acetate is 10-15mg / L; at the stage of full bloom of the pear trees, spraying the prepared lime sulfur mixture to the pear trees needing flower thinning; after 10-15 days of the full bloom of the pear trees, spraying the prepared aqueous solution of sodium naphthalene acetate to the pear trees; and after 10-12 days of the spraying of the aqueous solution of sodium naphthalene acetate, manually vibrating the pear trees, and carrying out additional thinning by using fruit thinning shears. According to the method, the lime sulfur mixture of 0.5-1 degree is sprayed at the stage of full bloom of the pear trees, and then the aqueous solution of sodium naphthalene acetate is sprayed after 10-15 days of full bloom. Through carrying out flower thinning treatment on the pear trees by jointly using the lime sulfur mixture and the sodium naphthalene acetate solution, the flower thinning effect on the pear trees is obvious, the volume of fruits is increased, the quality of the fruits is improved, and the phenomenon of biennial bearing is prevented.

The invention discloses a tea tree cutting cultivation method which comprises the steps of cutting orchard selection, cutting orchard management, cutting orchard fertilizer application, mother cutting retaining and cultivation, pruned mother plant management, cutting cultivation and cutting collection. A 4-10 years of Linyun Baimao tea garden making plants grow healthily and strongly and making varieties pure serves as a cutting orchard, deep pruning is performed in the female parent orchard by using lime sulfur in November after orchard clearing in winter, deep grooves are formed for re-fertilization, light pruning is performed in the first ten-day period and the middle ten-day period of June, then topdressing is conducted on the female parent orchard, new shoot growth is promoted by using gibberellin, a leaf fertilizer rich in amino acid and a monopotassium phosphate leaf fertilizer are alternatively sprayed and applied in one month before cutting maturity, and finally rooting powder is sprayed and applied in 2-3 days before cutting shearing to obtain cuttings. By adopting the tea tree cutting cultivation method, the quality and yield of Linyun Baimao tea mother cuttings are improved, the shortcoming that the survival rate of a conventional Linyun Baimao tea cuttage method is not lower than 10% is overcome, and the survival rate of the cuttings after cuttage is improved to about 60%.

The invention relates to the technical field of camellia oleifera planting, and discloses tree branch pruning equipment for camellia oleifera planting. The tree branch pruning equipment comprises a pruning grab handle and a shearing pull handle, a shearing knife is fixedly mounted at an end opening of the shearing pull handle, and a notch medicament applying mechanism is arranged at one side of the shearing knife; the shearing knife is assembled to smear a medicament to notches of the branches through the notch medicament applying mechanism; a broken branch clamping mechanism is arranged at the other side of the shearing knife, and the shearing knife is assembled to clamp the cut branches to a shearing seat fixedly installed at an end opening of the pruning grab handle through the broken branch clamping mechanism; and the shearing base is of a U-shaped double-supporting-frame structure. According to the tree branch pruning equipment for camellia oleifera planting, during pruning, the cut branches can be clamped through a clamping plate at one side of the shearing knife, lime sulfur is smeared to wounds of camellia oleifera trees through a medicament applying roller, and the cut branches can be synchronously clamped while the lime sulfur is smeared to the notches, so that the cut branches can be conveniently collected.