136 results about "Calcareous" patented technology

The invention relates to a magesia-calcia tundish dry working lining refractory and a method for preparing the same. The technical scheme comprises mixing 55-65wt% of particle material with a grain size of 3-0mm, 22-35wt% of powder with a grain size less than 0.088mm, 0 or 0.5-8wt% of additives and 6-12wt% of binding agent according to a theoretical content of MgO 55-85wt% and CaO 10-40wt%, baking at 200-350 DEG C after stirring and vibration molding, getting the tundish dry working lining after demoulding, wherein the particle material is one or a mixture more than one selected from the magnesia, magnesite, limestone and dolomite; the powder is one or a mixture more than one selected from the magnesia, hydrated lime, limestone, dolomite and magnestie. The invention has advantages of simple technology, convenient construction, low cost, environment friendly and saving energy, and the magesia-calcia tundish dry working lining has a good metallurgical effect and the feature of easy disintegration after use.

The invention discloses a treatment method for blow-filling a foundation on islands and reefs in South China Sea with carbonate sand. The method comprises the steps that 1, construction and measurement are conducted; 2, a conveying pipe is laid; 3, a dredge boat sucks seabed carbonate sand; 4, a microorganism bacteria solution and a nutrient solution are prepared; and 5, materials are sufficiently aerated and stirred in a mixing tank. The treatment method has the beneficial effects that a microorganism curing agent is added into the mixing tank, so that microorganisms and the carbonate sand are sufficiently stirred and mixed in the mixing tank, then the mixed carbonate sand blow-fills a reef, and then the processed foundation is formed. In this way, after a period of time, the strength, deformation and stability of the processed foundation formed by the mixed carbonate sand all meet the engineering construction requirement, and other redundant foundation treatment measures are not needed. The treatment method has the remarkable characteristics that construction is convenient, the project cost is low, the construction period is remarkably shortened, and pollution to the environment is avoided.

The invention discloses a complex lithology clastic rock stratum constituent logging processing method which comprises the following steps: determining whether a stratum contains coal according to logging curve characteristics and respectively processing stratigraphic classification according to the situation that whether the stratum contains coal; calculating the contents of feldspar quartz, coal and porosity when the stratum contains coal; and calculating the contents of the feldspar quartz, calcium, rock debris and the porosity by applying a mixed lithology calculation method when the stratum contains no coal. The complex lithology clastic rock stratum constituent logging processing method solves the problems of coal-bearing stratum identification and coal-bearing stratum constituent calculation and also solves the problem of calculating three rock constituents in the coal-free stratum and the porosity by applying two porosity logging curves.

The invention relates to an extracting and composition analyzing method of organic phosphorus of calcareous sediment. The method is characterized in that acidic EDTA solution is used for flushing and centrifuging the sediment; a traditional extraction method that the mixed solution of NaOH and EDTA (NaOH plus EDTA) is used for oscillating, extracting and centrifuging the sediment; a part of the extracted solution of NaOH plus EDTA is tested by a spectrometer to determine the total phosphorus; the rest extracted solution is concentrated; ultimately, the <31>P nuclear magnetic resonance technique (<31>P-NMR) is used for analyzing the composition of organic phosphorus in the extracted solution.

The invention relates to a preparation method and the application of a biochar-based conditioner for cadmium contaminated soil. The preparation method comprises the following steps: firstly, mixing biologic materials with sludge, or separately using the sludge and adjusting the moisture content to 10 to 90 percent; adding calcareous materials, carrying out high-temperature carbonization in the oxygendeficit or oxygen-free environment to obtain calcium-loaded biochar; secondly, adding a zeolite powder into a soluble phosphorus solution, carrying out soaking treatment, standing and carrying outair drying to obtain phosphorus modified zeolite; thirdly, uniformly mixing the calcium-loaded biochar obtained in the first step with the phosphorus modified zeolite obtained in the second step according to the ratio of 2-5 to 1, moisturizing, aging and drying, so as to obtain a finished product. The preparation method disclosed by the invention has the advantages of simple technology, low energyconsumption and no pollution discharge in the processing process. The biochar-based conditioner for the cadmium contaminated soil is mixed with the soil for use according to a certain proportion, sothat the absorption of plants to heavy metal cadmium can be reduced by 30 to 50 percent.

Calcareous materials which are very purified residues of corallinaceae particulary Lithothamnium corallioides have unusual therapeutic properties including treatment of conditions created by failure of immune regulation, for example rheumatoid or osteo arthritis, osteoporosis and other conditions involving pH control. A method for purification is provided. Also provided are compositions of the residues together with fatty acids, glycerides, polyglycols and emulsifiers. Particularly advantageous are compositions of the residues and medium chain triglycerides.

The productivity of hydrocarbons from hydrocarbon-bearing calcareous or siliceous formations is enhanced by contacting the formation with a well treatment composition which contains a hydrofluoric acid source, a boron containing compound and a phosphonate acid, ester or salt thereof.

The invention discloses a dovelet feed. The dovelet feed can effectively improve the immunity and the survival rate of dovelets, contains no antibiotics or antiseptics, and improves the quality of adult doves. The dovelet feed comprises, by weight, 8 parts of sorghum, 7 parts of soybean, 4 parts of brown rice, 6 parts of wheat, 3 parts of pea, 1 part of vitamin D, 2 parts of bone meal and 2 parts of vitamin A; and soybeans and peas are ground, and then are uniformly mixed with other ingredients. The dovelet feed has rich nutrition and fine particles, is suitable for dovelets to eat, and is conducive to digestion. A variety of vitamins are added to promote calcium absorption and bone development and benefit hair growth; and purslane powder and Semen Plantaginis powder have a certain anti-inflammatory effect, are natural herbs, and are beneficial and harmless.

The invention provides a microbial immobilization method for self-repairing of concrete cracks and belongs to the field of microbiology and civil engineering material crossing technologies. The methodcomprises the following steps: immobilizing microorganisms or microbial spores in a carrier, and carrying out an immobilization process of wrapping treatment; carrying out a secondary immobilizationprocess of loading nutrient substances in the carrier; and carrying out an embedding process of doping the immobilized carrier obtained by the secondary immobilization process into a concrete raw material, wherein the carrier is coral reef calcareous sand; and the nutrient substances comprise 3, 5-dinitrobenzyl alcohol and sodium trimetaphosphate. According to the method provided by the invention,the survival rate of microorganisms can be increased; the crack repairing width can be increased (the maximum repairing width reaches 1 mm or above, and the average repairing width reaches 0.7-0.9 mm), and the concrete compressive strength is recovered by 80% or above; the compressive strength loss of the repaired concrete under sulfate erosion can be effectively reduced, the sulfate erosion resistance of the repaired concrete is improved, and the durability of the concrete is improved.

The invention discloses biscuits made of ilex latifolia thunb and shrimp shells. The biscuits comprise, by weight, 105-110 parts of flour, 14-20 parts of pumpkin powder, 10-14 parts of the shrimp shells, 9-12 parts of the ilex latifolia thunb, 3-4 parts of lotus seeds, 1-2 parts of castanea seguinii leaves, 2-3 parts of purslane, 4-5 parts of lilies, 6-8 parts of polygonatum odoratum, 1-2 parts of mustard, 1-3 parts of sunflower discs, 3-4 parts of Chinese hawthorn leaves, 3-4 parts of onion skins, 1-2 parts of pomegranate seeds, 17-20 parts of margarine, 10-15 parts of cane sugar powder, 1-2 parts of glycerin, 1-2 parts of sodium bicarbonate and 0.8-1 part of codonopsis pilosula pollen. The biscuits have the advantages that the biscuits are excellent in aroma, color and taste and are high in healthcare value; the shrimp shells are puffed, so that calcium contents of the shrimp shells can be absorbed easily; the ilex latifolia thunb mainly can be used for realizing effects of dispelling wind and clearing heat, improving the eyesight and promoting the secretion of saliva or body fluid, and is mainly used for treating headache due to pathogenic wind-heat, toothache, hot eyes, otorrhea, mouth ulcer, polydipsia due to heat disease, diarrhea and dysentery; the biscuits can realize effects of relieving distraction and insomnia, improving the immunity, preventing diseases and the like.

The method of the invention comprises the steps of: (1) collecting health coral containing a hermatypic coral oocyte in seafloor; (2) fixing the coral; (3) removing a calcareous skeleton of the hermatypic coral; (4) removing moisture from the texture of the coral; (5) conducting hyalinization to the texture; (6) immersing paraffin into the texture so as to make preparation for sectioning; (7) revising the section; (8) fixing the section on a glass slide; (9) removing the paraffin from the section; (10) carrying out coloration; (11) performing dewatering and section sealing. Considering the characteristic of lime skeleton in hermatypic coral, the method of the invention solves the problem that the lime skeleton of hermatypic coral is unsuitable for making paraffin sections by applying formic acid decalcification method and the like, thus providing accurate technical support for studying hermatypic coral oocyte growth and predicting the ovulation time of hermatypic coral.

The invention relates to a calcic nutritive meat tenderizer, a method for preparing the same and application. The meat tenderizer comprises main components of calcium oxide, sodium chloride and organic acid sodium salt, and is prepared by dissolving the calcium oxide, the sodium chloride and the organic acid sodium salt in water. In application, meat is marinated in the meat tenderizer to absorb water so as to increase the weight and achieve the effect of tenderizing the meat in the cooking process, simultaneously the loss of the water content in the meat is reduced so that the meat keeps the original flavor and is tender and elastic to eat; besides, the meat can play a role in calcium supplement for an eater simultaneously. The meat tenderizer has the advantages of cheap and easily-obtained raw materials, low requirement on production equipment and easy realization of operation steps and is particularly applicable to batch production.

The invention discloses a culture medium of calcium-rich pleurotus eryngii. The culture medium consists of following raw materials and auxiliary materials, by weight, 50-80 parts of corncob, 10-15 parts of rice bran, 5-7 parts of rapeseed cake fertilizer, 5-8 parts of corn flour, 2-4 parts of shell fossil, 1-3 parts of calcium acetate, 10-15 parts of dried cow dung, 1.0-1.5 parts of saccharose, 0.5-1.2 parts of calcium superphosphate, 1.0-1.5 parts of gypsum powder and 1.2-1.5 parts of lime powder. A preparation method comprises following steps: dissolving the shell fossil, the calcium acetate, the calcium superphosphate, the gypsum powder and the lime powder in water to obtain a solution; adding the corncob, the rice bran, the rapeseed cake fertilizer, the corn flour, the dried cow dung and the saccharose; and stirring and uniformly mixing the materials to obtain the culture medium. The pleurotus eryngii produced with the culture medium is rich in calcium, is increased by 3-5 times in the content of calcium when compared with common pleurotus eryngii, is high in nutritional value, and can promote growth of bones when being eaten for a long period.

The invention discloses a shale classification method and application thereof and a shale lithofacies distribution construction system, and the classification method comprises the steps: dividing to-be-classified shale according to the particle size distribution of particles, and carrying out construction to form a first stratum; on the basis of the constructed and formed first layer, obtaining the contents of siliceous minerals, calcareous minerals and clay minerals in the shale in a targeted mode, forming a second stratum through corresponding division, and constructing a unique non-intersection system of shale classification through division of the first stratum and the second stratum, wherein the siliceous minerals contain no detritus quartz. By means of the design, the technical problems that in the prior art, no matter whether shale classification is conducted purely according to particle sizes or based on three-end-member component classification, classification intersection oroverlapping relations may occur, the reliability of classification results is not enough, and the influence on environment analysis is large are solved.

A Ca-enriched tablet of tree frog bone contains tree frog bone powder, granular white sugar, glucose and milk powder proportionally. It is prepared from tree frog bone through crushing, mixing it with distilled water, enzymolyzing, low-temp vacuum drying, pulverizing, mixing it with granular white sugar, glucose and milk powder, and tabletting.

The invention relates to a calcium-milk biscuit for children, which is prepared from ,flour, sugar, oil, syrup and milk powder, and also comprises natural calcium, docosahexaenoic acid DHA and arachidonic acid AA needed by children development. The biscuit also contains complex enzyme 0.01-0.20% by weight of the flour which comprises granuloma alpha-amylase and neutral proteinase by the weight ratio pf 1:1-2.

The invention discloses an enzyme biological organic fertilizer applicable to rice field eels and loaches and a preparation method thereof. The enzyme biological organic fertilizer comprises the following components by weight: 210 kg of albumen powder, 190 kg of oil cake, 370 kg of dried chicken manure, 10 kg of trace elements, 8 kg of enzyme bacterium, 100 kg of grass meal, 12 kg of dried earthworms, 3 kg of calcareous shale, 3 kg of brown sugar, 5 kg of rice bran and 100 kg of bentonite. In the invention, the multifunctional enzyme bacterium is used as a core, high quality organic matter isused as a carrier, and a right amount of inorganic nutrients and nutrient albumen is compounded to form an efficient biological organic-inorganic fertilizer for rice field eels and loaches. Various nutrients in the fertilizer for rice field eels and loaches are reasonably proportioned, the growth of unicellular algae, beneficial bacteria and beneficial algae can be rapidly promoted, and the waterbody environment is dually adjusted. Moreover, cultivated rice field eels and loaches have fresh and tender meat quality, toxic matter can be effectively degraded, the water quality is improved and becomes fertile, active, tender and cool, the immunity is increased, and the occurrence of bacterial diseases is inhibited.

The invention provides a method for solidifying island reef calcareous sand through indigenous microorganisms. The method for solidifying the island reef calcareous sand through the indigenous microorganisms comprises the specific steps: firstly a calcareous sand sample is adopted through a sterile measure, and growth promotion fluid and consolidating fluid are prepared; when the growth promotionfluid with 1.2 times of the pore volume is injected into the calcareous sand till the concentration of carbonate ions in an effluent is equal to or larger than 70% of the concentration of urea in thegrowth promotion fluid, the growth promotion fluid stops being injected; when the consolidating fluid is injected for the first time, a Tris-HCl buffer solution with 1.2 times of the pore volume of sandy soil is injected into the sandy soil firstly, then the consolidating fluid with the equal pore volume is injected into the calcareous sand, the fluid is injected in the direction from bottom to top, the fluid is continuously injected for 7-9 days, and consolidating is completed; and then demolding and drying are conducted, and a consolidated sample is obtained. Operation is easy, the cost is low, the homogeneity of the solidification effect of the calcareous sand can be effectively improved, and meanwhile the adverse impact on the ecological environment due to introduction of exogenous microorganisms is avoided.

The invention relates to chick breeding feed prepared by mixing 55-60 percent of coarse rice, 6-8 percent of rice, 25-28 percent of bean dregs, 2-3 percent of rice bran, 2-4 percent of cotton seed dregs, 1-1.5 percent of stone powder, 1-1.5 percent of calcium hydrogen phosphate, 0.2-0.3 percent of salt and 1-1.5 percent of premix. All kinds of the raw materials of the special chick breeding feed are carefully combined to supply the energy for the chick to grow, various nutritional components in the raw materials, which are needed by the chick, are balanced, and calcium is added to the chick breeding feed, thus the chick breeding feed can improve the appetite, increase the immunity and reduce the death rate of the chick. The chick bred by the chick breeding feed can grow into the middle-aged chick one week earlier than the chick bred by the other chick breeding feed, and the chick breeding cost can be reduced by 6.5 percent.

The present invention discloses a sweet sorghum straw and distillers' grain compound feed. The compound feed consists of 2.5 kg-5 kg of sweet sorghum straw kneaded and crushed powder, 1 kg of Baijiu distillers' grains, 35 g-45 g of iodine-containing edible salt, 45 g-55 g of edible caustic soda, 60 g-70 g of bone meal, 15 g-20 g of medicago sativa, 30 g-40 g of calcium powder, 5 kg of corn silages, 60 g-70 g of a pre-mixed feed for fattening cattle, and 50 g-60 g of vitamins. The sweet sorghum straws are relatively high in fiber contents. Unique flavor and softness are produced by a fermentation, the palatability of beef cattle is relatively strong, and an experiment of refined feed fed beef cattle shows that the beef cattle at 1 year old prefers the compound feed. During the kneading and crushed process of the sweet sorghum straws, a large number of rich nutrients are accumulated, and the compound feed can help the beef cattle stomach digestion, regulate the balance of microorganisms and improve the fattening speed of the beef cattle.

The present invention discloses a low value fish bone polypeptide chelated calcium. The low value fish bone polypeptide chelated calcium is prepared from low value fish bones and prepared by fish bone meal coarse preparing, fish bone meal fermenting, stepwise enzymolyzing, isoelectric point precipitating, chelating and freeze-drying. Beneficial effects are as follows: small molecule bone polypeptides are prepared by using a synergetic enzymatic hydrolysis of marine protease and terrestrial protease. The prepared bone polypeptides are small in molecular weight, chelated with calcium ions to obtain the bone polypeptide chelated calcium, and high in an absorption rate in human body, and do not produce blood calcium symptoms. The human body is good in an absorption effect for calcium in the bone polypeptide chelated calcium. After a long term consumption, a calcium apparent absorption rate, a calcium retention rate, a bone density, a bone mineral salt content, a bone cortex area, a bone energy absorption, etc. all show an obvious increasing trend.

The invention relates to a flotation method of siliceous and calcareous collophanite. The method comprises the following steps that (1) crushed collophanite crude ores are calcined at the temperatureof 500-950 DEG C; (2) the calcined ores are fed into a mill, ground into the appropriate ore-grinding fineness through ore-grinding operation and then fed into a reverse flotation roughing stirring tank; (3) a dispersant, an inhibitor and a collector are added into in the stirring tank, and pulp-mixing operation is conducted; and (4) mixed ore pulp is fed in for reverse flotation roughing operation, roughing foam is scavenged for 1-4 times, a product in the tank is concentrated by 1-4 times, and finally a concentrate product is obtained. The flotation method of the siliceous and calcareous collophanite has the advantages of simple and novel process, stable procedure, good flotation effect, low ore dressing cost and the like, and provides a new separation way for development and utilizationof the siliceous and calcareous collophanite.

The invention discloses a classified ore dressing method of calcareous and siliceous mixed type stone coal vanadium ore. Main minerals of raw ore consist of 20-28wt% of quartz mineral, 10-15wt% of mica mineral, 5-10wt% of tourmaline-amphibole mineral and 35-40wt% of carbonate mineral; the grade of vanadium in the raw ore is 0.6-1wt%. The classified ore dressing method comprises the following steps: a) grinding crushed raw ore in a ball mill, and classifying ore materials according to classification size of 0.037-0.075mm to obtain coarse and fine products; b) regrinding the coarse products, then recovering vanadium by adopting a forward flotation process, and removing carbonate in the fine products by adopting a reverse flotation process to obtain vanadium concentrate and calcium concentrate. The method can be used for treating calcareous and siliceous mixed vein type stone coal vanadium ore with the vanadium grade of 0.6-1wt%, the concentration ratio of the obtained vanadium concentrate V2O5 reaches more than 2.5 and the vanadium recovery rate can reach more than 85 percent.

The invention discloses pannage for quick growth and fine meat quality. The pannage is characterized in that passion fruit powder serving as a main raw material is uniformly mixed and stirred with corn, bran, fish meal, edible salt, calcium powder, trace elements, bone meal and pulverized coal, wherein the proportion of the feed in parts by weight is 8 to 12 parts of corn meal, 40 to 55 parts of passion fruit powder, 25 to 35 parts of bran, 5 to 8 parts of fish meal, 1 part of edible salt, 1 part of calcium powder, 0.2 part of trace elements, and 0.5 part of pulverized coal. According to the feed, vines, leaves, peels of waste passion fruits are used as raw materials, so that waste is changed into valuable, and the cost for feeding pigs is reduced; and the feed has better nutrition because of containing nutrition of passion fruit vines, leaves and peels, and has the flavor of passion fruit, so that the pig likes the feed, grows fast and has fine meat quality.

The invention mainly relates to the technical field of breeding, and discloses a method for preserving laying hen hatching eggs. The method comprises the steps of hatching egg selection, hatching egg elution and hatching egg film spraying. The method is simple and convenient to operate, the preservation time of the hatching eggs is prolonged to 18-20 days, the hatchability reaches 90.8%, and economic income is increased by 16.8%. The fresh hatching eggs are placed in a hollowed egg plate, elution liquid is sprayed, dirt on the surfaces of the hatching eggs is washed away, bacterium inhibition and bacterium resistance are achieved, pathogenic microorganism infection is avoided, nutritional ingredients are increased, and embryo activity is kept. The elution liquid is rich in calcium, the thickness of egg shells can be increased, the large ends are downwards during spraying, the large ends are upwards after spraying is completed, the large ends are fast dried, it is avoided that the elution liquid directly impacting on the large ends, the contractility and completeness of airbags are kept, and the preservation time of the hatching eggs is prolonged. Protection liquid is sprayed to the hatching eggs, germs on the surfaces of the hatching eggs are killed, protection films are formed on the surfaces of the hatching eggs, yolk carries out dormancy, more nutritional ingredients and high activity are reserved, and the preservation time is prolonged.

The invention relates to a synergist special for edible fungus and a preparation and use method thereof. The synergist special for the edible fungus comprises the following compositions by weight portion: 40 to 70 portions of treated fowl manure, 10 to 25 portions of calcareous shale, 5 to 35 portions of wheat bran and 5 to 10 portions of lime. The method comprises: adding 5 to 30 percent of pine needles and 0.1 to 0.5 percent of fermenting agent for deodorization according to the weight of dry fowl manure; adding water and uniformly mixing manure materials to control the water content of the manure materials to be between 55 and 65 percent, and performing stacking fermentation for 15 to 25 days at natural temperature; drying fermented fowl manure until the water content is less than 20 percent; and uniformly mixing the four compositions to synthesize the synergist. The amount of the synergist accounts for 10 to 30 percent of the weight of edible fungus cultivated materials, and the water content of the cultivated materials is between 55 and 60 percent. The synergist not only reduces the production cost and improves the yield of edible fungus but also reduces environmental pollution of the fowl manure, is favorable for normal growth and metabolism of hypha or fruiting bodies, has no toxicity, harm and potential accumulated toxicity on human beings and animals, and can be widely used for cultivating edible fungus such as oyster mushrooms, yellow oyster mushrooms, chicken leg mushrooms and branched oyster mushrooms.

The invention relates to a feed used for aquaculture industry, in particular to a calcareous invertase used for shrimp feed and a production technology thereof. The invertase is characterized in that in terms of composition mixture rate, spirulina accounts for 30-55 percent, cerevisiae fermentum accounts for 10-20 percent, medical stone accounts for 10-20 percent and seaweed meal accounts for 20-30 percent. The invention has the beneficial effects as follows: by the technical proposal, the protein in the feed can be converted in the bodies of shrimps or other aquatic livestock, decomposed and then completely absorbed, thus promoting the growth speed of shrimps, enhancing the immunity and achieving strong disease-resistant ability and anti-stress ability as well as low feed coefficient.

The invention relates to a feed premix nutrient elements of calcium and iron. The premix comprises 1200-1600 parts of Fructus Psoraleae, 10-200 parts of calcium gluconate, 10-200 parts of cod liver oil, 5-10 parts of a bone strengthening factor and 10-20 parts of iron dextran. The additives added by the invention can help poultry or livestock to supplement rich calcium and iron and benefit fast growth and reproduction of livestock.

The invention relates to a tortoise-hen nutrient solution mainly comprising the ingredients with the percentage by weight being, tortoise 1%-5%, white pile black-bone chicken 1%-3%, wolfberry fruit 2%-5%, oyster 1%-5%, poria cocos wolf 2%-5%, haw 1%-3%, dried orange peel 1%-2%, potassium sorbate 0.1%-0.5%, ferrous lactate 0.02%-0.05%, cane sugar 12%-20%, the rest for water. The solution contains complete amino acids, a great amount of animal glue and various vitamin minerals necessary for human body.

The invention discloses a maguey rejuvenation culture medium. The maguey rejuvenation culture medium comprises the following raw materials in parts by weight: 300-400 parts of agricultural organic material, 100-150 parts of organic soil, 30-50 parts of calcium, 0.5-1 part of zymocyte, 1-5 parts of nutritive salt and 0.5-1 part of functional bacteria, wherein the organic soil is humus, peat soil, bentonite, and diatomite; the calcium is a mixture of shell powder and donkey bone powder; the zymocyte is EM fungicide; the nutritive salt is a mixture of ammonium nitrate, magnesium sulfate heptahydrate, monopotassium phosphate, potassium nitrate, inositol, niacin, thiamine hydrochloride, pyridoxine hydrochloride and glycine; the functional bacteria comprises phosphate solubilizing bacteria, lactic acid bacteria, saccharomycetes, photosynthetic bacteria, nitrogen-fixing bacteria and bacillus subtilis. The maguey rejuvenation culture medium disclosed by the invention is capable of improving the structure of the soil, the nutritive elements such as manganese, zinc, magnesium, potassium and the like are obviously increased, the symbiotic bacteria of the maguey root system has obvious increasing effect, the average morbidity of the maguey is obviously lowered from the original 100% to 15%, and the disease resistance is obviously enhanced.