50 results about "Every Two Months" patented technology

The invention relates to the new technical field of disease control during plant cultivation, in particular to a cultivation management method for controlling banana wilt. The cultivation management method comprises the following steps: turning up the soil of a banana plantation and drying the soil in the sun for 7 to 10 days before banana seedlings are planted; selecting banana seedlings which pass quarantine inspection as seedlings; selecting 30 percent metalaxyl-hymexazol as a disinfecting and disease preventing agent for early, middle and later stage management of banana plants, absorbing and solidifying a disinfectant prepared from the metalaxyl-hymexazol by using a water-retaining agent to obtain a solid disinfectant, distributing the solid disinfectant at the peripheries of roots of the planted banana seedlings to make the solid disinfectant slowly release the disinfectant to eliminate pathogenic bacteria in the soil, wherein the disinfecting effect can last for 1 to 2 months; irrigating the disinfectant every two months, absorbing and storing the disinfectant by using a water-retaining agent, and continuously disinfecting for 1 to 2 months; and after the roots of banana plants are irrigated with the disinfectant each time, spraying the disinfectant onto the whole banana plants until banana fruits are harvested.

Disclosed is a method for removing green algae in the middle and late culture stages of Porphyra yezoensis. The method is characterized by comprising (1) preparing 50-100ml of 10% sodium hypochlorite solution, adding cleaned and disinfected seawater to reach a volume of 1L, adding trisodium phosphate and disodium phosphate at molar ratio of 3:1 to the above solution, and adjusting pH to 9.0-9.5 for later use; (2) during the culture process after nori mesh screens are placed into the sea (i.e. from September 21 to April of the next year), performing smear operation in the sea; (3) during the process to clear green algae, adding analytical grade citric acid to the solution of step (1) to allow pH value of the solution to be about 5.0-5.5; (4) smearing the solution obtained in step (3) in batches every day to green algae attached to mesh screens, raft frames and cables so that the damaged green algae break under the effect of seawater flow and enter the sea; and (5) smearing with the solution obtained in step (3) once every two months. The method of the invention can remove green algae attached to mesh screens, raft frames and cables in the middle and late culture stages of Porphyra yezoensis.

The invention discloses a method for increasing the gutta-percha content in eucommia leaves by spraying chemicals on the leaves. The method comprises the steps of preparing water solution with the concentration of salicylic acid being 10-200ppm and the mass fraction of magnesium sulfate being 0.01-0.08 percent, spraying the prepared solution to the leaves of growing eucommia trees on the rainless days before sunrise or after sunset and carrying out spraying for 1-4 times every two months, wherein the spraying interval is not shorter than 15 days. By adopting the method for carrying out foliage spray, the eucommia leaves can be harvested from October to November, and the gutta-percha content in the eucommia leaves is higher than the gutta-percha content in the eucommia leaves growing on the same condition without foliage spray by 20-50 percent. The method can be implemented in an industrialized, large-scale and standardized mode, and is good in economic benefit and wide in market application prospect.

A method of culturing Chinese yew seedlings comprises the following steps: (1) the construction of a seedling bed: the seedling bed is 0.9 to 0.1m wide, and the length of the seedling bed is determined according to requirement; (2) the selection and the processing of cutting woods: a one-year branch is chosen, the tender part at the top of the branch is cut off, the branch is cut into the cutting woods which are 9 to 15 cm long respectively, (3) the cuttage of the cutting woods: holes are arranged on the seedling bed according to the density of 4cm multiplied by 5cm; (4) the final-period management of the cutting woods: within seven days after the cuttage, the humidity of a plastic greenhouse is kept at more than 90 percent, seven days after the cuttage, the humidity of the plastic greenhouse is kept at between 75 percent and 85 percent, after the cuttage, foliage dressing is carried out on the cutting woods at intervals of 7 to 10 days, (5) the transplant of the cutting woods: a ditch which is 10m multiplied by 1.2m multiplied by 0.3m is arranged in the north-south direction, 50kg / mu of calcium magnesium phosphate and 250kg / mu of organic fertilizer are spread on the ditch, so that the seedling bed is formed, after 200 to 250 days of culture in the plastic greenhouse, the cutting woods are transplanted in the seedling bed 50 cm deep according to the row spacing of 10cm multiplied by 20cm, after the transplant, the cutting woods are watered for one time until water flows out of the seedling bed; and (6 ) the management after the transplant of the cutting woods: one month after the transplant of the cutting woods, nitrogen fertilizer can be applied, and the nitrogen fertilizer is applied once every two months afterwards, so that the survival rate of the Chinese yew seedlings is improved.

The invention belongs to the technical field of breeding, and particularly relates to an ecological breeding method for beef cattle. The method comprises the specific steps of cowhouse building, wherein a cowhouse is built by the adoption of a tile structure and a concrete floor; pasture management, wherein a mountainous area in which the mean annual sunshine duration is 8-10 hours per day serves as a pasture, Albizzia julibrissin, Mimosa pudica, orchard grass, sweet elephant grass, barley and clover are planted to serve as a movement area of the beef cattle, and construction is conducted; scatter breeding management, wherein the beef cattle is driven to the pasture for scatter breeding at 8:00-11:30 and 14:00-15:30 every day; breeding management, wherein while scatter breeding is conducted, after scatter breeding and homing, the beef cattle is fed with daily ration every day; disease prevention, wherein the cowhouse is disinfected once every 15 days, preventive vaccine is injected once every two months, and the beef cattle are fed with an anti-parasitic drug; faeces of the beef cattle are fermented, and a fertilizer is prepared to be applied to soil of the pasture. In the method, natural resources are completely used, and no chemical synthetic matter is contained. By means of the method, the production performance of the beef cattle is improved.

The invention provides a lanreotide long-acting injection microsphere preparation, which is prepared from the following raw materials in part by weight: 10 to 400 parts of lanreotide or salt thereof, 100 to 4,000 parts of polylactic acid-glycolic acid copolymer, 0.1 to 50 parts of stabilizer, 50 to 5,000 parts of excipient and 0.1 to 200 parts of surfactant. The invention also provides a preparation method for the lanreotide long-acting injection microsphere preparation. The lanreotide long-acting injection sustained-release microsphere preparation is subjected to subcutaneous injection once every two months, one conventional treatment course only needs two times of medication, and the preparation greatly relieves the treatment burden of patients, improves the medication compliance and reduces the treatment cost; and the preparation method has the advantages of simple process, low production cost and easy popularization.

The invention discloses a radix isatidis planting method, which comprises the following steps of selecting a clay block which is good in drainage, fertile and loose for planting and applying a base fertilizer; carrying out seeding, thinning and final singling, applying a compound fertilizer and spraying a foliage fertilizer, wherein the base fertilizer is prepared from bryozoatum, akadama, rice bran, duck manure and a nitrogen-phosphorus-potassium compound fertilizer, and the compound fertilizer is prepared from urea, plant ashes, kaolin, basic zinc sulfate and a rhizobium inoculant; the foliage fertilizer is prepared from zinc sulfate, borax, ammonium molybdate, ammonium molybdate, fulvic acid, naphthylacetic acid and rapin ficusin; spraying a pest and disease prevention agent with 450fold water once every two months, wherein the pest and disease prevention agent is prepared from tubatoxin, cinnamon, onion and ramie; and harvesting folium isatidis and collecting roots in November. According to the radix isatidis planting method, the yield of radix isatidis can be greatly improved, pests and diseases of the radix isatidis are greatly reduced and the growth environment of the radix isatidis is purified; and the folium isatidis is good in palatability and high in input-output ratio and suitable for massive popularization and the nutrient value is improved.

The invention discloses a planting method for improving qualities of mangoes, and belongs to the technical field of fruit cultivation. The planting method for improving the qualities of the mangoes comprises the following steps that (1) land is selected; (2) soil is prepared, the land is cleaned up and a special quality fertilizer is applied, deep sowing is carried out in one month before planting, a base fertilizer is applied, and the base fertilizer is mixed with topsoil to turn back to a cave; (3) seedlings are selected and planted, plants without pests and diseases are selected as new seedlings, fix planting is carried out in cloudy or rainy days, roots are watered adequately, and a soil layer is covered with straws; (4) fix planting and fertilization are carried out, once topdressingis carried out every two months after the new seedlings sprout, urea is applied after flowers wither, the fertilizer is applied once to twice every month before fruiting, a fruit swelling fertilizer is applied before fruiting, and corresponding fertilizers are applied at corresponding growth stages; (5) fruit trees are trimmed, main branches are selected and part of the branches nearby are removed, pinching is carried out, and a nutrient is sprayed once every other week; and (6) mangoes are picked up. The planting method for improving the qualities of the mangoes can promote the growth, earlyfruiting, and high and stable yield of mango trees.

The invention discloses a eustoma grandiflorum cultivation method comprising the following steps: selecting field, soil working, applying fertilizer, disinfecting soil, and applying fertilizer; removing underground insects; using a single-particle-sing-hole mode to sow eustoma grandiflorum seeds into deep hole trays filled with a sowing matrix, wherein the sowing matrix is excellent in draining performance; examining seedlings when the eustoma grandiflorum seedling grows to 3cm above the ground, removing a film and transplanting the seedlings when the eustoma grandiflorum seedlings grow to 5-10cm in height and the roots grow to 8-10cm in depth; weeding when the seedlings grow to 12cm, and weeding in every two months; topdressing; timely removing top buds when the seedlings grow to 10cm. The method can improve the eustoma grandiflorum germination capacity, and the produced eustoma grandiflorum seedlings are stronger, thus improving the seedling transplanting survival rate; the anaphase growth vigor is fast, and the product quality is good; cut flower eustoma grandiflorum anaphase growth consistency is good, and the flower leaves are tidy; the eustoma grandiflorum is strong in disease resistance, thus reducing insect diseases, improving cut flow yield, and improving the economic benefits.

The invention relates to an interplanting method of hickory nuts and crape myrtle. The interplanting method comprises the following steps of selecting a field, selecting seedlings, performing soil preparation, digging holes, planting the crape myrtle, and grafting the crape myrtle by a conventional method; selecting hickory nut seedlings, and placing the hickory nut seedlings in a liquid medicine pot for soaking for one day before the hickory nut seedlings are planted; and by using the crape myrtle as a center, planting three hickory nut seedlings around each crape myrtle, fertilizing the crape myrtle every two months, fertilizing the hickory nuts every two months, and trimming and drawing branches in the fertilizing process once every one month. The interplanting method has the beneficial effects that the hickory nuts and the crape myrtle are interplanted, through the technique, not only is the problem that the soil is in short supply solved, but also the yield of the hickory nuts planted by the interplanting method is higher than that of the hickory nuts by a method for singly planting the hickory nuts, the nutrient value is high, and the survival rate of the crape myrtle is also increased by 15%-20%.

The invention discloses a planting method of castanea mollissima. The planting method of the castanea mollissima comprises the following steps of A, carrying out detoxifying treatment on a land: selecting a 20 mu and more than 20 mu of continuous flat land or hillside land as a farmland for castanea mollissims to be planted, turning the soil of the farmland for once, spraying a fermentation liquor, spreading various weed seeds or rhizomes in a nearby hillside so as to plant weeds, covering with dry weeds, turning the soil again in the beginning of autumn, and spraying the fermentation liquor again; B, cutting: during the seven days before Insects Awaken of the next year, cutting strong branches of the castanea mollissima higher than 600mm, avoiding watering after cutting, and covering root parts of plants with fresh weeds without roots; C, carrying out field management: crushing down the weeds higher than the castanea mollissima plants every two months, and pruning the branches and leaves before the winter solstice; and D, harvesting: harvesting and reserving seeds for planting in the autumn of the third year, pruning the branches and leaves before the winter solstice, and acquiring large output after the fourth year. The planting method of the castanea mollissima provided by the invention can solve the problems that castanea mollissima planting is more in poisons and poor in quality.

The invention discloses an efficient breeding method for high-quality abalone seedlings high in environmental adaptability. The efficient breeding method includes: (1) selecting seedlings: selecting healthy abalone seedlings; (2) cultivating adaptability of the abalone seedlings: breeding the abalone seedlings in a breeding pond with a water temperature ranging from 20 DEG C to 22 DEG C for 7 days; (3) domesticating and selecting abalone seedlings: rising up the water temperature by 1 DEG C every day till the water temperature reaches to 28-29 DEG C, maintaining the water temperature for 10-15days, observing growing situations of the abalone seedlings every day, clearing up dead abalone seedlings, lowering the water temperature to 24 DEG C gradually after the 10-15 days, and maintaining the water temperature; (4) repeating the domesticating and selecting step in the step (3) once every two months till the abalone seedlings grow maturely. The efficient breeding method for the high-quality abalone seedlings high in environmental adaptability has the advantages that through adaptability cultivating, the abalone seedlings just put into the breeding pond are enabled to adapt to an environment in the breeding pond, the post domesticating and selecting steps can be implemented conveniently, before the abalone seedlings grow maturely, the abalone seedlings are subjected to multiple times of domesticating and selecting, the abalone seedlings irresistible to high temperature are screened out, and the abalone seedlings resistible to the high temperature can be cultivated and selectedefficiently.

The invention discloses a planting method of subprostrate sophora, and relates to the field of Chinese herb planting technologies. The planting method comprises the following steps: A, selection and preparation of land; B, seeding; C, thinning; D, transplanting; E, weeding and topdressing. Compared with the prior art, sufficient farmyard manure is applied to seedbeds, and after seeding in autumn, seeds are covered with fine soil, watered and covered with grass to be moisturized, so that germination and growth of the seeds are promoted, and the emergence rate is increased; when seedlings grow to 10 cm-12 cm, the seedlings are shoveled up together with soil from the one side through a shovel, transplanted and planted, so that the survival rate of the transplanted seedlings is high; intertillage and weeding are carried out once every two months, thin manure water is applied, and fermented compost is applied in winter, so that fertilizer needed by growth of the subprostrate sophora is guaranteed, growth of the subprostrate sophora is promoted, and the yield is increased.

The invention discloses a planting method of high-quality selenium-enriched tea. The planting method comprises the following steps: selecting a planting land, and constructing horizontal terraced fields on the planting land; spreading a first matrix fertilizer on the surface of the terraced fields, performing overturning and crushing on the terraced fields, and after the overturning and crushing are completed, airing the terraced fields; after the airing is completed, spreading a second matrix fertilizer on the surface of the terraced fields, performing overturning and crushing on the terracedfields, and after the overturning and crushing are completed, airing the terraced fields; after the airing is completed, flatting the surface of the terraced fields, and inserting tea seedlings on the flattened terraced fields; after tea seedling cutting is completed, performing watering on the terraced fields; performing shallow ploughing and weed removing 3-4 times every year during the non-picking season; performing irrigation according to the degree of drought in the dry season, and performing proper drainage in the rainy season; after the tea seedlings are planted, applying a selenium-enriched fertilizer on the 10th day, and applying the selenium-enriched fertilizer every two months thereafter; and when young leaves of tea trees grow to a picking standard, performing picking on the tea trees. The planting method can improve the selenium content of the tea, thereby improving the quality of the selenium-enriched tea.

The invention discloses a cultivation method for a Longtan pearl-shaped plum tree. The method comprises the following steps: (1) soil and land preparation; and planting in a mountainous region; (2) planting: in September and October, planting a seedling into a planting hole with planting density of 100 to 120 plants per mu, wherein the cultivated plants comprise 80 to 90% of main cultivars and 10 to 20% of pollination varieties, and the pollination varieties are uniformly distributed in the main cultivars; (3) nutrient and water management: a step of applying a fertilizer every two months on a sapling in an age of 1 to 2 years; and applying fertilizers more than four times every year on mature trees; (4) shaping and prunning; and (5) field management: a step of carrying out hole expanding, deep ploughing and green manure applying every autumn, deepening distribution of a root system, carrying out irrigation, mulching and intertillage, mulching tree disks with crop straws from March to September, and carrying out timely drainage in a rainy season. Through the cultivation method for the Longtan pearl-shaped plum tree, the planted pearl-shaped plum tree has high yield, wherein yield per mu can reach 4000 kg. The Longtan pearl-shaped plum has fragrant, sweet and crisp taste.

The invention discloses a method for planting white wax in saline-alkali soil, and belongs to the technical field of agricultural production. The method comprises the steps that planting ditches are dug in the saline-alkali soil; clean water is injected into the planting ditches until the planting ditches are full of water; a cobblestone layer is laid on the side wall of each planting ditch, and asponge layer is laid on the inner side of each cobblestone layer; a gravel layer, a sand layer and a soil layer are sequentially paved in each planting ditch from bottom to top; a fertilizer layer islaid on the upper portion of each soil layer, and shallow pits are reserved in filling soil for planting; white wax branches are subjected to trunk cutting and branch cutting in the dormant period inspring, and half crowns are reserved; the branches are immediately watered after transplanting; fertilizer is additionally added into the planting ditches every two months after transplanting. The method is reasonable, the humidity requirement of the white wax can be met, saline-alkali components can be prevented from entering root systems, and the growth period of the white wax is shortened.

The invention provides a tillering reproduction method for a sago cycas. The tillering reproduction method for the sago cycas comprises the steps that (1) selecting and processing on a tiller bud are conducted, the tiller bud on a stock plant of the triennial sago cycas is cut off from the root portion connected with the stock plant, plant ash is smeared on the wound of the tiller bud, and the tiller bud which is not rooted is placed in a cool ventilated place to dry for two days as a standby; (2) root promoting is conducted, the tiller bud which is not rooted is planted into the pure sand, watering is conducted once after the planting, and maintaining is conducted in a room with lots of sunshine; (3) transplanting is conducted, the tiller bud is transplanted into the culture soil when the new leaves completely expand from curled leaves; (4) managing is conducted, and the tiller bud is placed in the sunshine when the new leaves appear; the culture soil is watered permeably once when the culture soil is dry, and water is sprayed on the leaves twice in the morning and evening everyday when the tiller bud grows fast; in the seeding stage, pancake fertilizer and water are applied once every two months, and leaf fertilizer is applied once every other month; the soil is replaced once every three years, and scrap iron is added in the soil when the oil replacing is conducted; (5) pest controlling is conducted. According to the tillering reproduction method for the sago cycas, the reproductive survive rate is high and the growth of the sago cycas is good.

The invention relates to a planting method of artemisia argyi. The method comprises the steps that step 1, a seed bed is prepared, and disinfection is conducted by using quick lime; step 2, soil preparation and ridge forming are conducted, a base fertilizer is applied, 4,000 kg of thoroughly decomposed farmyard manure is applied per mu, and then base water is sprayed; step 3, seedling is sowed, seed coating processing is conducted before sowing is conducted, and the coating process is completed by adopting an automatic coating machine; step 4, transplanting is conducted, and transplanting is conducted when artemisia argyi seedlings on the seed bed reach the height of 10-15 cm; step 5, film mulching is conducted, after the artemisia argyi is transplanted, films are mulched on ridges, holesare formed in the films, and the artemisia argyi seedlings are exposed; step 6, top dressing is conducted, fertilizers are applied to the artemisia argyi seedlings in the growing period, and fertilizer application is conducted for once every two months; step 7, weeding is conducted, weeds in a planting area are timely removed, and the weeds are transported out of the planting area. By means of themethod, the problems of non-uniform stirring and potential harms on the health of bodies of traditional manual coating are solved.

The invention provides a black goat breeding method. The method includes the following steps: feeding pregnant ewes with green grasses and carrots, and feeding the pregnant ewes with a first additive every day; feeding parturient ewes with green grasses and carrots, and feeding the parturient ewes with a second additive every day; adding a third additive for lactating ewes on the basis of the second additive; performing breast feeding on young goats with an age of 1-10 days; adding a fourth additive supplemented with green grasses for young goats with an age of 15-60 days; and performing daily management including crossbreeding improvement, cross-season mating, parasite expelling once every two months and sheepfold disinfecting each week. The above technical scheme has the advantages that the method obviously improves growth rate, meat production performance, carcass quality and the like of the black goats on the basis of maintaining precocity, crude feed tolerance and good meat quality of the black goats.

The invention discloses a traditional Chinese medicine composition for disinfection and parasite elimination in aquaculture. The traditional Chinese medicine composition is prepared from, by weight, 60-100g of herb of caulis spatholobi, 50-80 parts of sargentgloryvine stem, 100-150 parts of sinomenium acutum, 20-80 parts of herb of clerodendrum bungei, 30-120 parts of herb of seguin lobelia, 20-80 parts of herb of polygonum hydropiper and 20-100 parts of walnut leaves. The traditional Chinese medicine composition is prepared by putting the medicinal materials into a decocting tool, adding 2000-3000 parts of drinking water according to a weight ratio, heating, decocting for 20-30 minutes, cooling naturally, sealing and packaging. 0.5L of the liquid medicine is sprinkled to per cubic meter of aquaculture ponds once every two months. The traditional Chinese medicine composition for disinfection and parasite elimination in aquaculture is capable of effectively killing various parasites, especially parasites parasitizing fish scales, in the aquaculture ponds and further capable of treating red-gill disease, red-scale disease and enteritis of fishes with the effective rate being 91%.

The invention relates to a gas-fired shock wave ash removal device in petroleum refining. In the prior art, gas rich in CO is regenerated and introduced into a furnace to burn in a delay mode by using a CO furnace, vapor is generated by using waste heat at the same time, but due to the fact that fume comprises a great amount of catalyst dust, on the condition that the CO furnace recycles fume heat, a high-temperature superheater tube and an economizer tube deposition are very serious, the existing ash removal device cannot meet requirements, and generally the furnace needs to be stopped for ash removal every two months. The gas-fired shock wave ash removal device in the petroleum refining comprises a shock wave generator, a mixer and an igniter. Air and fuel gas are respectively communicated with the mixer through two air inlet pipelines. The other end of the mixer is connected with the shock wave generator through the igniter. The lower end of the shock wave generator is arranged inside a furnace wall in a penetrating mode through pipelines. A magnetic valve is arranged on the air inlet pipeline of the mixer. The gas-fired shock wave ash removal device in the petroleum refining is wide in range of application, good in ash removal effect and small in maintenance.

The invention provides a scale inhibitor as well as a preparation method and an application thereof. A scale inhibition mechanism is based on chelation solubilization, dispersion, electrostatic repulsion and lattice distortion. Several medicament monomers are selected in a formula to be compounded and used, and the scale inhibition capability of the scale inhibitor is far higher than that of the medicament monomers by means of synergistic effect between the monomers; calcium carbonate scale and magnesium carbonate scale can be effectively prevented from being produced, wherein the inhibition rate of calcium carbonate scale is 89.3%-92.6%, the inhibition rate of magnesium carbonate scale is 92.1%-96.2%, organic scale can be effectively prevented from adhering to the pipe wall, so that the pipe wall is smooth, and circulation flux of a leachate is ensured; the pipe cleaning frequency of an existing anaerobic system can be reduced to once a year from once every two months; equipment suchas an anaerobic circulating pump, a denitrification water inlet pump and the like in contact with the leachate in a biochemical section in an anaerobic system can be protected, blockage of the equipment is prevented, and the service life of the equipment is prolonged; pipe bursting and other accidents caused by pipe fouling and blocking can be effectively prevented, and production can be performedcontinuously and stably.

The invention relates to the technical field of wormwood cultivation and discloses a wormwood cultivation method. The wormwood cultivation method comprises the steps of land selection and preparation,plant separation and transplanting, film covering and field management, wherein the field management step comprises one-time topdressing every two months, the topdressing includes the following operating steps: A, fertilizers are mixed, wherein the fertilizers and clear water are mixed according to the ratio of 10 to 1; B, the fertilizers are compressed, wherein the fertilizers are extruded by using an extruding device, and blocky substances in the fertilizers are crushed; C, the fertilizers are applied, wherein the fertilizers are allied in the circumferential direction of wormwood seedlings, and soil is watered thoroughly during fertilizer application. The fertilizer applying step is automatically carried out by adopting a fertilizer mixing and applying device. The fertilizer mixing andapplying device comprises a body, a fertilizer mixing mechanism for mixing fertilizers and clear water, an extruding mechanism for extruding the fertilizers and a fertilizer applying mechanism for applying wormwoods, the fertilizer mixing mechanism, the extruding mechanism and the fertilizer applying mechanism are located in a cart body. By adopting the wormwood cultivation method, the problem can be solved that fertilizers cannot be uniformly distributed, and the growing quality of wormwoods can be improved.

The invention discloses a method for substantially increasing content of total saponins of panax notoginseng. Annual panax notoginseng with developed root systems and without diseases and damage is selected as a seedling and infiltrated with one or more of an ethanol solution of methyl jasmonate, a choline chloride water solution or a naphthylacetic acid solution before transplantation, plant probiotics are poured into soil surrounding the transplanted seedling 10-15 days after transplantation, a 20-30-fold diluted solution of an agrobacterium tumefaciens treatment agent or a 2-4-fold dilutedsolution of an agrobacterium tumefaciens resistant microbial agent is sprayed to the surrounding of the root part of a plant every two months after the seedling is transplanted for 1 year; after the seedling is transplanted for 2 years, a salicylic acid solution and a paclobutrazol water solution are uniformly sprayed to leaf surfaces every month on the basis of the spray amount allowing the leafsurfaces to be wet without liquid drops dripping; potassium fulvic acid is applied 5 months before harvesting. By means of the method, growth of main roots of the panax notoginseng can be promoted, the weight of the main roots is increased, the content of the total saponins of the panax notoginseng can be notably increased, the morbidity of root rot is reduced, the utilization rate of fertilizer is increased, and the cost is reduced. The method is easy to master, has remarkable benefits and is applicable to popularization.

The invention discloses a catfish breeding method. The catfish breeding method comprises the steps that a breeding pond is arranged to have the area of 5 mu and the depth of 1.5 m, multiple oxygen increase devices are arranged in the breeding pond, and a layer of river mud of 20 cm is arranged at the bottom of the pond; comprehensive disinfection and sterilization are conducted on the breeding pond in 10 days before fry putting, fries are cleaned by using potassium permanganate during fry putting, and 2500 fries are put in the breeding pond per mu; a fodder and a green fodder are mainly adopted, feeding is performed for one time every day, feeding is performed for one time every half a month in winter, disinfection liquid is scattered to the whole pond at regular intervals, and ritodrine and other drugs can be mixed in the fodders to serve as a bait for treatment; starting for oxygen increase is performed every day for 2 hours, 1 / 3 of pond water is replaced every week, coarse salt is put, the transparence of the pond water is kept to be 30-40 cm, quick lime is scattered to the pond water every month, and aquatic plants are put in the fish pond every two months, wherein the putting amount of the aquatic plants is 10-15 kg per mu. By the adoption of the catfish breeding method, a water body environment can be improved, and the farming cost of farmers can be also reduced.

The invention relates to a filter device for a resin emery wheel grinding liquid, comprising a fluid reservoir. The device is characterized in that the top part of the fluid reservoir is provided with a filter tank body; broken sponge for filtering is filled in the filter tank body; a liquid inlet and a liquid outlet are reserved on the top part and the bottom part of the filter tank body; and an oil pump is arranged in the filter tank body, and is communicated with the liquid inlet on the top end of the filter tank body through an oil pipe. Grinding fluid to be filtered is pumped in the filter tank body through the oil pump, impurities in the grinding fluid are adsorbed by the broken sponge, and the filtered grinding fluid is introduced to a grinding machine through the fluid outlet. By adopting the filter device with the structure, the broken sponge is only required to be changed every two months, so the device is convenient for operation, saves labor force, reduces usage of mass non-woven fabrics, reduces nonproductive necessary consumption of grinding oil, and saves production cost.

The invention discloses a wind-water linked spray and aspirating device, which comprises a wind pipe and a water spray pipe, wherein the wind pipe and the water spray pipe are fixed through a connection rod, one end of the wind pipe is sealed, one end of the water spray pipe is sealed, the other ends of the wind pipe and the water spray pipe are respectively provided with a wind pipe interface and a water spray pipe interface, the wind pipe and the water spray pipe are respectively provided with blow pipes and spray pipes which mutually correspond to each other, and the outlets of the blow pipes are opposite to the outlets of the spray pipes. The wind-water linked spray and aspirating device has the advantages of simplicity in operation, good spray effect and the like. According to the invention, as the facility uses fewer materials, the investment cost is less; a set of common spray equipment is about 500 yuan, while a set of novel wind-water linked spray and aspirating device is 100 yuan, so that each set of equipment can save 400 yuan; the common spray equipment needs to be replaced every two months, while a set of novel wind-water linked spray and aspirating device can be used for four months, so that the efficiency of expenditure saving and consumption reduction can be obtained; and the capital which is about several hundred thousand yuan can be saved for my company every year.

The invention provides a method for preventing and treating the momordica grosvenori root knot nematode disease. A mountain land or a dry land or a cultivated land which is leeward, faces the sun, isgood in drainage, is provided with a thick soil layer and is loose and fertile is selected between March 20th to April 10th for planting momordica grosvenori plants, and maidenhair plants are interplanted in the planting area of the momordica grosvenori plants; the maidenhair plants are harvested from June 20th to July 10th; a solvent special for momordica grosvenori is applied to the momordica grosvenori plants every two months before the maidenhair plants are harvested; after the maidenhair plants are harvested, a solvent special for momordica grosvenori is applied to the momordica grosvenori plants every month. Alpha-terthienyl secreted by root systems of the maidenhair plants make cytomembrane of nematode oxidized, the structure and functions of the cytomembrane of the nematode are damaged and accordingly the nematode is dead so that the nematode in soil can be poisoned and killed by the maidenhair plants. The solvent special for momordica grosvenori is prepared by mixing a maidenhair extracted solution with fosthiazate, so that the momordica grosvenori plants are prevented against damage of the nematode in the whole growth period.

The invention relates to the technical field of culture and particularly relates to a high-yield culture method for snake-headed fishes. The method comprises the following steps: preparing a microbialwater purifying agent; stocking fish fries; and feeding the fish fries with high-protein feed, starting to feed drug-carrying fingerlings once every two months one year later, and harvesting adult snake-headed fishes two years later. The water purifying agent can settle to an interface of water and deposit of a pond bottom and can achieve the aim of purifying culture pond water; a magnetic nano-material with a large specific surface area is adopted as a carrier, so that the microbial water purifying agent has the advantages of easiness in settling, high purification efficiency, stable effect,easiness in treatment and the like; by using the feed which is reasonable in proportioning ratio and balanced in nutrition, water pollution can be alleviated, the growth of the snake-headed fishes can be promoted, and the quality of snake-headed fish can be improved; and through the drug-carrying fingerlings, the disease resistance of the snake-headed fishes can be further improved, and the snake-headed fishes can thrive.