90results about How to "Control Fusarium Wilt" patented technology

The invention provides a phosphate-solubilizing composite microorganism fungicide, which has effective components of pantoea ananatis, pythium oligandrum, trichoderma harzianum and paecilomyceslilacinus. According to the invention, high-efficiency phosphate-solubilizing bacterium-increase bacterium pantoea ananatis with wide applications and fungus of high-efficiency antagonistic crop disease areorganically combined, by applying the composite fungicide of the invention, while soil phosphorin is efficiently utilized and phosphatic fertilizer utilization rate is improved, the effect of antagonistic microorganisms in preventing soil-borne diseases can be sufficiently played, and the effects of solubilizing phosphate to increase yield and resisting diseases to increase yield are achieved. The phosphate-solubilizing composite microorganism fungicide has tremendous application value.

The invention provides efficient phosphorus-dissolution promotion bacteria and a microbial agent prepared from the same. The effective components of the microbial agent include Pantoea agglomerans P36 and Trichoderma harzianum. In the invention, the widely-adaptable efficient phosphorus-dissolution yield-increasing bacteria Pantoea agglomerans P36 and the efficient anti-crop disease Trichoderma harzianum are organically combined; by applying the composite bacterial agent provided by the invention, the effect of the microorganism in preventing soil-borne diseases is sufficiently exerted while efficiently utilizing the soil phosphorus and improving the utilization rate of phosphate fertilizer; an effect of increasing yield by dissolving phosphorus and resisting diseases is realized; and theinvention has tremendous application values in agriculture.

The invention discloses a strain of plant pathogenic fungi antagonistic bacterium and the application of the plant pathogenic fungi antagonistic bacterium in preventing and curing plant diseases. The plant pathogenic fungi antagonistic bacterium is bacillus subtilis BEB2 CGMCC No.2243. The plant pathogenic fungi antagonistic bacterium bacillus subtilis BEB2 CGMCC No.2243 can prevent and cure the plant diseases which are caused by banana vascular wilt pathogen, colletotrichum musae, pyricularia grisea, corynespora leaf-fall disease of hevea rubber, bamboo fusarium axysporum and mango anthracnose pathogen, and the plant pathogenic fungi antagonistic bacterium bacillus subtilis BEB2 CGMCC No.2243 in particular can inter-grow with bananas, can survive in the bananas stably, and can prevent and cure banana panama diseases.

The invention relates to the technical field of microorganisms, and discloses bacillus subtilis and application thereof. The preservation number of the bacillus subtilis is CGMCC No. 17357. The strainof the bacillus subtilis disclosed by the invention has a wide antibacterial spectrum; the inhibitory effect on fusarium wilt germs of multiple crops reaches up to 75% or above; moreover, the inhibitory effect on other 26 kinds of fungal pathogenic bacteria and 2 kinds of bacterial pathogenic bacteria is obvious; field planting in soil is easy; pesticide resistance is less liable to generate; thedurability of pesticide effect is good; the usage amount of pesticide can be effectively reduced; pollution-free production of the crops is facilitated; the expenditure of farmers is reduced.

The invention relates to a biological control method and a biocontrol agent for banana vasicular wilt, pertaining to the field of biological control over banana vasicular wilt. The method comprises following steps: colonizing antagonistic bacteria of vasicular wilt during transplant of banana tissue culture seedlings, colonizing antagonistic bacteria of vasicular wilt during transplant of banana seedling land, and colonizing antagonistic bacteria of vasicular wilt during growth of banana plants. The biocontrol agent is an antagonistic compound microorganism bacterium agent for banana vasicular wilt and antagonistic bio-organic fertilizer for banana vasicular wilt. The compound microorganism bacterium agent is prepared by compound of two or multiple kinds from five agents including azotobacter chroococcum YKT41, burkholderia vietnamiensis P418, bacillus megaterium Ap25, trichoderma viride LTR-2 and trichoderma harzianum T110W. The bio-organic fertilizer is prepared by 5-25% of the compound microorganism bacterium agent, 10-30% of protein residues, 5-300% of lignite, 10-25% of biochemical fulvic acid, 10-35 % of biogical charcoal and added with 0.5-2.5% of calcium carbonate according to the above mixture. The biological control method and the biocontrol agent for banana vasicular wilt have following advantages: the biological control method and the biocontrol agent helps effectively prevent and control infection and morbidity of bacteria for banana vasicular wilt and are eco-friendly; and the method is easy and convenient.

The present invention relates to banana endogenous streptomycete, its separation and culture method and its use in promoting banana growth and preventing and treating banana fusarium blight. The banana endogenous streptomycete CCTCC M203070 may be obtained from banana plant in banana blight area through separation and culture. Experiment shows that the streptomycete CCTCC M203070 has the functions of promoting banana seedling growth and raising the resistance to fusarium blight, so that it may be used in promoting banana growth and preventing and treating banana fusarium blight.

The invention relates to the technical field of plant disease prevention and treatment and discloses a composition for preventing and treating fusarium wilt of cucumber. The composition comprises, by mass, 9-11% of amino acids, 5-10% of polyoxin, 6-8% of chitosan oligosaccharide, 1-5% of propamidine, 5-15% of Zhongshengmycin and 55-65% of kasugamycin. The amino acids comprise lysine, methionine and arginine. The composition is used for preventing and treating fusarium wilt of cucumber and reduces incidence of disease by 38.8%. The composition realizes high-efficiency prevention and treatment on fusarium wilt of cucumber.

The invention discloses a planting method for radix puerariae with high disease resistance and a high yield, and relates to the field of agricultural planting. The planting method comprises the following steps: seed selection, seed treatment, pit ridging and fertilization, seedling transplantation, fertilization management, and mature harvesting. The planting method for the radix puerariae with the strong disease resistance and the high yield provided by the invention is scientific and reasonable, and has simple operation, low costs and high efficiency, and the planted radix puerariae has theadvantages of strong disease resistance, a high yield and high economic value, and is suitable for large-scale promotion in the field of agricultural planting.

The invention discloses Streptomyces sp.B5017. The Streptomyces sp.B5017 is characterized in that the preservation number is CCTCC NO: M2019648, and the Streptomyces sp.B5017 is classified and named as Streptomyces sp.B5017. Tests show that the marine-derived streptomyces new strain disclosed by the invention has the effect of antagonizing various phytopathogens, and has an inhibiting effect on gloeosporium musarum, colletotrichum gloeosporioides, colletotrichum pearl plum, botryosphaeria dothidea, fusarium oxysporum f.sp.cubense race 4, fusarium oxysporum f.sp.cubense race 1 microspecies or alternaria alternata. Fermentation liquor prepared from the Streptomyces sp.B5017 disclosed by the invention can effectively avoid withered and yellow withering of leaves caused by the fusarium oxysporum f.sp.cubense race 4 and race 1 in potting experiments, which proves that the Streptomyces sp.B5017 is capable of effectively preventing and treating banana wilt and enhancing the disease resistanceof bananas, has good ecological benefits and social benefits, and has a good application prospect when being developed as a biocontrol agent.

The invention relates to a biological agent used for preventing and curing cotton wilt and cotton greensickness and the preparation method of the biological agent used for preventing and curing cotton wilt and cotton greensickness. The biological agent adopts three bacterial strains, ACCC10620: Bacillus subtilis(Ehrenberg)Cohn, ACCC10700;Bacillus subtilis(Ehrenberg)Cohn and ACCC10700;Suction Streptomyces jinggang variants (Streptomyces hygrospinosus var.jinggangensis). The biological agent which is formed by ferment and mixing with other adjuvant materials has the advantage of being capable of efficiently preventing and curing cotton wilt and cotton greensickness.

The invention relates to the technical field of biologics and in particular relates to a novel strain Acidomelania saccharicola LZ3 and application thereof. The novel strain LZ3 is separated from rhizosphere soil of sugarcane, and the preservation number is CGMCC NO.18805; according to taxonomy methods, the strain is a novel variety of the Acidomelania family, the taxonomic status of the strain isAcidomelania sp., according to naming methods of the International Bacterium System Taxonomy Committee, the strain is named as Acidomelania saccharicola sp.nov., and the strain LZ3 is selected as a type strain of the variety. Discovery and utilization of the novel strain enrich available microbial resources of endophytic fungi, and the strain has functions of preventing and treating banana wilt and promoting crop growth, and is capable of providing excellent culture resources in fields of plant growth promotion and agricultural application for disease and insect prevention.

The invention discloses a microcapsule for preventing and treating plant diseases. The microcapsule contains pseudomonas fluorescens, a protective agent and a carrier; and the protective agent is selected from one or two or more of maltodextrin, sodium caseinate and sodium carboxymethyl cellulose. The invention further discloses a preparation method and application of the microcapsule. The microcapsule containing the pseudomonas fluorescens is formed by using liquid fermentation to produce the pseudomonas fluorescens serving as an effective component and organically compounding the carrier, the protective agent and the pseudomonas fluorescens. The microcapsule disclosed by the invention can be used for preventing and treating various plant soil-borne diseases and particularly has a bettereffect for preventing and treating vegetable bacterial wilt and plant wilt; in addition, compared with a living bacterial preparation produced by using a traditional method, the microcapsule has stronger vitality and stress tolerance as well as more effects and functions and is more suitable for production application. The problems that large-scale production cannot be realized and dust is generated in production and application processes due to short shelf life and high death rate during processing of a current biopesticide containing the pseudomonas fluorescens are solved.

The invention discloses a pest control method of watermelons. The pest control method comprises following control steps of: (1) seed sterilization: a. laying out and exposing watermelon seeds in the sun for 3 to 5 hours and flipping watermelon seeds one time per hour; b. putting soaking watermelon seeds into saline water at the concentration of 8 to 12% for about 0.5 to 1 hour; (2) cleaning of a melon field: thoroughly removing weeds in the melon field and the periphery of the melon field in the range of 5 to 8m and scattering 120-150g of lime powder per square meter and scattering 180 to 250g of sulphur powder per square meter two days later; (3).seeding stage: a. diluting ningnanmycin at the concentration of 1.5 to 2.5% for about 300 to 350 times, controlling once every 5 to 7 days by spraying and spraying 3 to 4 times; b. diluting 20g of a Jinjier wilt killer by utilizing water for 12 to 15Kg, controlling once every 10 to 12 days by spraying and spraying 2 to 3 times; and (4) flowering phase: a. diluting azadirachtin at the concentration of 0.2 to 0.4% for 800 to 1200 times, controlling once every 10 to 12 days by spraying and spraying 4 to 6 times; b. diluting the Jinjier wilt killer by utilizing water for 8 to 12 Kg, controlling every 8 to 10 days by spraying and spraying 2 to 3 times. The pest control method of watermelons is adopted in order to effectively control pests.

Disclosed is a field management method for melon facility long-season cultivation. The method comprises the steps that dual-root-cut-grafting floating seedling growing is adopted; dual-vine pruning is carried out, and a robust secondary vine is selected to firstly bear one melon; after a first batch of melons expands, the other vine is made to bear one melon, old vines bearing melons are pruned off after the first batch of melons is mature and harvested, compound fertilizer and water are applied once to promote unfixed vines of plant roots to sprout and grow, one robust unfixed vine is selected and kept, foliage dressing is carried out, and vigorous growth of new vines is promoted; after a second batch of melons expands, the reserved new vines bear one melon, old vines bearing melons are pruned off after the second batch of melons is mature and harvested, compound fertilizer and water are applied once to promote the unfixed vines of the plant roots to regenerate, one robust unfixed vine is selected and kept as a melon bearing vine of the next batch of melons, and foliage dressing is carried out to promote vigorous growth of the next batch of melon bearing vines; the steps are operated repeatedly, and total at least five batches of melons are produced and harvested. According to the method, multiple melons can be harvested through one plant, and the aims of reducing cultivation links, being high in yield and efficient and achieving long-season cultivation can be achieved.

The invention relates to bacillus velezensis which has beneficial effect on plants and can be used for preventing and treating soil-borne diseases of plants and a microbial inoculum of bacillus velezensis, and belongs to the technical field of biological pesticides. The strain is separated from three-year-old panax notoginseng root soil, is identified as bacillus velezensis, and is preserved in China General Microbiological Culture Collection Center with the preservation number of CGMCC No. 15320. The bacillus velezensis, a bacterial strain suspension or a bacterial strain fermentation broth or a bacterial strain fermentation broth extracting solution or a microbial inoculum containing the bacterial strain not only can promote seed germination and growth of plants to a certain extent, butalso can remarkably reduce the occurrence rate of soil-borne diseases of the plants, particularly the occurrence rate of the soil-borne diseases of the plants on a continuous cropping field. The microbial inoculum containing the strain can also be mixed with an organic fertilizer to be prepared into a bacterial fertilizer for use, and a wide application prospect is brought to the field of biological prevention and control of plant diseases.

The invention discloses a nematicidal disease-resistant composition and application thereof. The composition comprises the active ingredients of fluensulfone and lentinan, and the mass ratio of fluensulfone to lentinan ranges from 1:80 to 80:1. The composition has a significant synergistic effect, can prevent and treat nematodes of the whole crop growth period, can improve the immunity of crops and has a good preventing and treating effect on soil-borne diseases such as virus diseases and blight.

The invention discloses an entomopathogenic nematode symbiotic bacteria strain for inhibiting various plant fungal diseases and application. The bacteria strain is a high-toxicity bacteria strain NN6of xenorhabdus bovienii, the preservation number is CCTCC NO: M 2020097, and the bacteria strain is preserved in China Center for Type Culture Collection on April 29, 2020. The xenorhabdus bovienii NN6 disclosed by the invention has relatively strong ability of inhibiting growth of fusarium oxysporum f.sp.niveum, fusarium oxysporium f.sp.cucumerinum, fusarium graminearum, pyricularia grisea, botrytis cinerea and phytophthora capsici hypha, the ability is increased along with the increase of volume concentration, and the antibacterial effect is obvious. The bacteria strain also has the effect of inhibiting the germination of fusarium spores, and the inhibition effect is remarkable. The bacteria strain has the characteristics of low culture condition requirement, long lasting period, environment-friendly and non-toxic source and the like, has important significance in protecting the ecological environment and improving the added value of agricultural products, and has good market development and application prospects due to the advantage of wider antibacterial spectrum.

The invention discloses a preparation method and application of a plant growth regulator pesticide capsule. The pesticide capsule comprises 1-100 weight parts of mepiquat chloride, 0-20 weight parts of fulvic acid, 0-10 weight parts of salicylic acid, 0-40 weight parts of citric acid, and 0-40 weight parts of sodium bicarbonate. The pesticide capsule can regulate and control the nutritional growth of plants to make plants have high number of roots and let plants be short and compact, regulate and control the plant type, reduce plant height to make the plant type tend to be rational, improve the lodging resistance, drought resistance, bactericidal action, anti-bacterial erosion property and other adversity resistances of plants, has obvious effect on controlling verticillium wilt and fusarium wilt, and can significantly raise the yield and quality of the plants. According to the invention, the effects of accurate quantification, high efficiency, and convenience in usage are achieved.

The invention relates to a biological organic pesticide fertilizer capable of preventing and treating soil-borne diseases and a preparation method therefor. The biological organic pesticide fertilizer is prepared from the following ingredients in parts by weight: 45-100 parts of organic matters, 0.1-0.2 part of phenazino-1-carboxylic acid and 0.1-0.3 part of bacillus cereus. The biological organic pesticide fertilizer has the pH value of 5.5 to 8.5, the total content of nitrogen, phosphorus and potassium in the biological organic pesticide fertilizer is higher than 5%, and the moisture content is lower than 30%. The preparation method comprises the steps of metering and mixing all the ingredients, carrying out thorough stirring by a stirrer, then, carrying out crushing, and carrying out metering and packaging. The biological pesticide fertilizer has the effects of promoting the growth and development of crops, increasing both production and income, preventing and treating diseases, being free of pollution, and the like. The biological pesticide fertilizer is remarkable in disease preventing and treating effect, great in market potential and obvious in economic and social benefits and can be used for effectively promoting plant growth and increasing both production and income, thereby having a very broad application prospect.

The invention discloses an aspergillus aculeatus strain and an application thereof. The aspergillus aculeatus strain NH9 is collected in a CGMCC (China General Microbiological Culture Collection Center) on April 1, 2019, and the collection number of the strain is CGMCC No. 17191. Cucumber plant growth can be effectively promoted, the strain can be used as a biological pesticide and is low in cost,simple to operate and free from pollution, and environmental harm is avoided.

The invention discloses a botanical sterilization preparation. The botanical sterilization preparation comprises 10 parts by weight of Zanthoxylum nitidum extract, 1-2 parts by volume of an organic solvent and 20-30 parts by volume of sterile water. The invention also discloses a preparation method of the botanical sterilization preparation. The preparation method of the botanical sterilization preparation comprises the following steps: uniformly stirring 10 parts by weight of the Zanthoxylum nitidum extract, 1-2 parts by volume of the organic solvent and 20-30 parts by volume of sterile water, bottling the obtained mixture, and packaging the bottled mixture. The organic solvent is one or a mixture of ethanol and methanol. A method for applying the botanical sterilization preparation to prevention and control of blight of vegetables comprises the following steps: extracting the otanical sterilization preparation containing the Zanthoxylum nitidum extract, adding purified water with the volume 200-250 times the volume of the Zanthoxylum nitidum extract, uniformly stirring the purified water and the Zanthoxylum nitidum extract, and irrigating roots with the obtained solution.

The invention relates to a pesticide for plants. The pesticide is characterized by comprising the following components in parts by mass: 15.4-26.6 parts of garlic, 29.4-39.7 parts of onion, 2.4-2.6 parts of rheum officinale, 2.8-3.2 parts of radix sophorae flavescentis, 2-3 parts of sulphur, 2-3 parts of calamine, and 3.8-9.9 parts of 40% ethyl alcohol. The pesticide is easy to prepare and convenient to use; edible plants are used as the raw materials, so that the pesticide integrates insect prevention and control and plant nutrition supplementation and is pollution-free, residue-free and high in efficiency; the using amount of the plant pesticide is small, and the withdrawal time is not needed.

The invention discloses a method for planting high-yield insect-pest-resistant radix puerariae and relates to the field of agricultural planting. The method comprises the following steps of seed sorting, seed treatment, ridge pit fertilizing, seedling transplanting, fertilization management and mature harvesting. The method for planting the high-yield insect-pest-resistant radix puerariae, disclosed by the invention, is scientific and reasonable and is simple in operation, low in cost and high in efficiency, and the planted radix puerariae has the advantages of insect pest resistance, high yield and high economic value, so that the method is applicable to large-scale popularization in the field of agricultural planting.

The invention relates to the technical field of preventing and controlling the plant disease, and in particular discloses a composition for resisting plant disease, pesticide and application. The composition disclosed by the invention comprises the following components in part by weight: 9-11% of amino acid, 7-9% of bamboo vinegar, 4-6% of azoxystrobin, 65-75% of liquorice, and 6-8% of oligosaccharide, wherein the amino acid comprises lysine, methionine and arginine. The composition is used for preventing and controlling cucumber downy mildew, the morbidity is reduced by 34.4%; the composition is used for preventing and controlling banana wilt, and the morbidity is at least reduced by 30.9%. Therefore, the composition can be used for effectively preventing and controlling plant disease and has wide application value.

The invention discloses a sterilizing composition containing phenamacril. The active components of the sterilizing composition are phenamacril, hymexazol and metalaxyl-M. The sterilizing composition has the advantages that the sterilizing composition is prepared by combing the phenamacril, the hymexazol and the metalaxyl-M, the sterilizing composition is applicable to banana root irrigation treatment and paddy rice seed treatment and capable of effectively preventing and treating banana wilt and paddy rice bakanae disease and damping off, and the use effect of the sterilizing composition is increased; the acting mechanisms of the effective components of the sterilizing composition are different, so that the pesticide tolerance generation of germs can be delayed; by the root irrigation treatment or seed treatment, the number of pathogenic bacteria in soil or seeds can be reduced, and the risks of diseases are lowered; the pathogenic bacterium invasion resistance of bananas and paddy rice are increased, and a large number of pesticides used in conventional prevention and treatment are reduced; the sterilizing composition is efficient, low in toxicity, lasting in effect and quick in action.

The invention relates to a Chinese herbal medicine fermentation fertilizer capable of preventing cucumber wilt disease, and a preparation method thereof. The Chinese herbal medicine fermentation fertilizer comprises the following raw materials: seaweed, enteromorpha, mikania micrantha, liquorice, black false hellebore, radix sophorae flavescentis, celeries, molasses, silica sol, an EM microbial agent and a soil modifier. The preparation method comprises the following steps: mixing and grinding the Chinese herbal medicine raw material, adding the molasses, the EM microbial agent and a proper amount of water, and conducting anaerobic fermentation at normal temperature; evenly mixing the fermentation product with the soil modifier and preparing particles; adding the mixed particles into a fluidized bed coating machine, spraying silica gel at 50-55DEG C for coating, cooling and sieving to obtain the Chinese herbal medicine fermentation fertilizer. By compounding the fermented Chinese herbal medicine with the soil modifier, and then coating to form a sustained-release fertilizer, the fertilizer not only has the functions of being synergistic, promoting plant to absorb nutrients and playing sustained-release action, but also can effectively inhibit the proliferation of cucumber wilt disease pathogenic bacteria, control the disease scale and degree, thus realizing the restoration and improvement of soil ecological environment, and avoiding environment pollution.

The invention relates to a cotton transplanting water-saving agent comprising the following components in percentage by weight: 5-20 parts of straw powder, 0.1-10 parts of high molecular polymers, 0.1-10 parts of fulvate, 0.1-10 parts of hexanoic acid 2-(diethylarnino)ethyl esters and 50-80 parts of water, wherein the components are blended according to a proportion and then uniformly mixed and stirred. The invention has outstanding water-saving effect without toxity or pollution and opens up a new agricultural economy way of making wastes profitable and recycling again through the utilization of straws.

The invention discloses a synergistic agent and a preparation method thereof, wherein the synergistic agent comprises the following raw materials according to proportion by weight: 70.8-87.5 parts of stone potassium, 3-8 parts of polyaspartic acid, 3-8 parts of maleic anhydride, 0.3-0.5 parts of azone, 5-10 parts of urea or ammonium hydrogen carbonate, 0.4-0.7 parts of d bacteria liquid, 0.3-0.8 parts of EDTA (Ethylene Diamine Tetraacetic Acid) and 0.2-0.5 parts of n-butyl alcohol. The preparation method of the stone potassium comprises the following steps: respectively crashing 50 parts of zeolite ore, 20 parts of phosphorite and 30 parts of leopoldite into 100-200 meshes and then uniformly mixing so as to obtain a mixture; taking 73.5-87.3 parts of mixture, 2-4 parts of urea, 2-5 parts of phosphorus pentoxide, 1-2 parts of potassium sulfate, 0.2-0.5 parts of ammonium molybdate or sodium molybdate, 1-2 parts of manganous sulfate, 3-6 parts of ferrous sulfate, 1-2 parts of zinc sulfate, 1-2 parts of sodium borate, 0.5-1 parts of copper sulfate and 1-2 parts of fulvic acid; and stirring and sealing up for keeping standby. The preparation method of the bacteria liquid comprises the following steps: uniformly mixing colon bacillus, Fusarium moniliforme, Corynebacterium pekinense, Streptomyces jingyangensis, Bacillus megatherium, Bacillus mucilaginosus and Streptomyces according to a proportion of 0.5%: 0.5%: 0.5%: 0.5%: 0.5%: 0.5%: 0.5%. The synergistic agent is multipurpose, nutritious, low in cost, non-toxic, nuisanceless and free of residue.

The invention discloses a method for planting cucumbers. The method is characterized by comprising steps of selecting soil and preparing lands, to be more specific, selecting the water and fertilizerretention slightly cohesive sandy soil with abundant organic matters and excellent drainage and irrigation, and preparing the deep-furrow high-ridge lands in south-north trend; sowing seeds and growing seedlings, to be more specific, selecting the high-quality seeds and growing the seedlings by the aid of nutrient blocks; planting the seedlings with soil to fields so as to prevent root injury, andthoroughly spraying water with bacterium nutrient solution on the planted seedlings; carrying out fertilizer and water management and ridging, to be more specific, heavily applying base fertilizers,frequently and slightly applying additional fertilizers and controlling moisture in cucumber gardens; carrying out stand erecting, vine guiding and pruning; harvesting the first cucumbers early. Plants can be uniformly distributed by means of stand erecting, vine guiding and pruning, the reasonable natural lighting locations can be kept, the optimal leaf coefficients can be maintained, the photosynthetic efficiency can be improved, accordingly, the growth vigor can be strengthened, and the cucumber bearing periods can be prolonged. The first cucumbers are harvested early, so that influence ongrowth of the follow-up cucumbers can be prevented, interference on the growth of the plants can be prevented, and abnormal cucumbers and premature senescence of the plants can be prevented. The method has the advantages that the method is reasonable and is easy to operate, and good growth effects can be realized.