157 results about "Sagittaria sagittifolia" patented technology

The invention relates to the technical field of aquaculture, and in particular relates to a macrobrachium rosenbergii feed comprising traditional Chinese medicine components. The feed is prepared from the following raw materials in parts by weight: 12-15 parts of wheat bran, 10-12 parts of peanut straws, 15-18 parts of tomato seed meal, 20-25 parts of corn, 10-12 parts of wheat middling, 5-8 parts of cooked rice, 2-3 parts of Clanis bilineata powder, 1-2 parts of goat blood powder, 2-3 parts of shrimp shell meal, 2-3 parts of fly maggot powder, 1-2 parts of mountain flour, 4-5 parts of chlorella powder, 5-6 parts of sagittaria sagittifolia, 0.2-0.5 part of codonopsis pilosula, 0.2-0.5 part of poria cocos, 0.2-0.5 part of curcuma zedoary, 0.2-0.3 part of polygonum multiflorum, 0.2-0.5 part of radix paeoniae alba, a proper amount of salt and 4-5 parts of phagostimulant. The feed provided by the invention is rich in multiple high-quality protein raw materials, and can prompt growth and development of macrobrachium rosenbergii; due to adoption of the active components in the traditional Chinese medicine components such as codonopsis pilosula, poria cocos, curcuma zedoary, polygonum multiflorum and radix paeoniae alba, the immunity of the macrobrachium rosenbergii can be effectively improved; the macrobrachium rosenbergii fed with the feed grow rapidly, the weight is remarkably increased, the morbidity can be effectively reduced, and no medicine residue problem is caused as the raw materials are all pure natural green raw materials.

The invention discloses a sagittaria sagittifolia planting method. The sagittaria sagittifolia planting method includes the following steps of germination accelerating, seedling raising, transplanting and field planting, field management, disease and pest prevention and harvesting. The sagittaria sagittifolia planting method is conducive to healthy growth of sagittaria sagittifolia, high in growth speed, good in quality, capable of guaranteeing sufficient nutrient content and high in edible value.

The invention relates to a protected Sagittaria sagittifolia seedling raising method, which belongs to the technical field of agricultural (vegetable) cultivation and includes: building a level bed in an insulation facility, and making sure that ridges around the bed are higher than the same; spreading a plastic film on the bed top and the ridges to form a water storage tank; filling the water tank with fresh water; pouring selected terminal buds of Sagittaria sagittifolia into the water tank, raking well to lead the terminal buds to densely float in the water, and making sure that each terminal bud is partially immerged in the water while being partially exposed; erecting an arch shed over the level bed, covering the arch shed with one layer or a plurality of layers to achieve thermal insulation and increase; guaranteeing sunlight to guarantee photosynthesis of leaves of seedlings; and when interior temperature of the facility ready for transplanting reaches more than 15 DEG C, picking out the seedlings which are 20-25cm high, separating mutually entangled roots, and transplanting the seedlings. The method is simple and easy, pest and disease damage in seedling period can be prevented effectively, labor and seedling land are reduced, roots of the seedlings are rich, the roots of the seedlings are less apt to break in lifting before transplanting, and the seedlings can quicklyrecover to grow after transplanting.

The invention provides a natural plant selective algistat. The natural plant selective algistat is composed of the following components in percent by mass: 70%-20% of wedelia chinensis, 5%-20% of acorus calamus, 5%-10% of sagittaria sagittifolia, 0%-10% of composite effective microbial community, and 2%-10% of composite bio-enzyme, wherein the composite effective microbial community is composed of bacillus powder and nitrobacterium powder in mass ratio of 1.5 to 1, the composite bio-enzyme is composed of cellulase and phytase in mass ratio of 1.3 to 1. The invention discloses a preparation method of the algistat at the same time. The algistat provided by the invention is capable of selectively inhibiting harmful algae such as blue-green algae, and capable of avoiding harming of useful algae and useful microorganisms in a water body to a relatively great degree while the blue-green algae are inhibited, and capable of relieving the eutrophication of the water body to a certain degree, and is easy to store; the algistat is easy to operate and is suitable for large-scale application.

The invention provides an oil suspension type herbicide containing cyhalofop-butyl and penoxsulam, relating to the technical field of production of pesticides. The oil suspension type herbicide is composed of effective components including the cyhalofop-butyl and the penoxsulam, wherein the cyhalofop-butyl accounts for 8% of the total mass of the herbicide; the penoxsulam accounts for 2% of the total mass of the herbicide; and the oil suspension type herbicide also contains 8% of a dispersion wetting agent, 1% of an anti-freezing agent, 1% of a thickening agent, 2% of a de-foaming agent and 78% of a filler. The oil suspension type herbicide contains the effective components including the cyhalofop-butyl and the penoxsulam, and can be applied to prevention and removal of various weeds including direct seeding paddy field barnyard grass, leptochloa chinensis, nutgrass flatsedge, convexutricle sedge herb, wild water chestnuts, short sagittaria sagittifolia, alternanthera philoxeroides and paspalum distichum at the periphery of four ridges are good; the oil suspension type herbicide is safe to crops and has low cost and good prevention effect; and the herbicide composition has a stable chemical performance, is efficient and broad-spectrum, and has obvious broad-spectrum weeding and supplementary effect on prevention and removal objects.

The invention discloses a penaeus vannamei ecological culture method for improving the culture efficiency. The method comprises the following steps that a culture pool is selected; water is thoroughly discharged; a sagittaria sagittifolia planting pool is selected on the periphery in the culture pool; a middle part is used as the penaeus vannamei culture pool; sludge in the penaeus vannamei culture pool is cleared way; a plurality of water discharge pipes are laid on the pool bottom of the penaeus vannamei culture pool; water is introduced for soaking sterilization; the water is thoroughly discharged; sagittaria sagittifolia is planted in the sagittaria sagittifolia planting pool; a plurality of pollution suction devices are arranged in the penaeus vannamei culture pool; water is introduced; the pH value of the water is regulated; fertilization is performed; a mixture of straws, chicken manure and cow manure is applied in the sagittaria sagittifolia planting pool for culturing planktonts; shrimp fries and feed are fed; the pollution suction devices are turned on for pollution suction every 10 to 15 days; then, the water discharge pipes are opened for pollution discharge. The penaeus vannamei ecological culture method has the advantages that the growth of the sagittaria sagittifolia can be promoted; the damage to the water quality in the penaeus vannamei culture pool can be prevented; the planktonts cultured in the sagittaria sagittifolia culture pool is food of the sagittaria sagittifolia; the growth of the sagittaria sagittifolia can be promoted; the culture of the planktonts and the culture of the sagittaria sagittifolia have complementary relation.

The invention discloses a pharmaceutical composition for treating swine high fever and a preparation method thereof. The pharmaceutical composition comprises the following raw medicinal materials: Zornia diphylla Pers, Myricaria laxiflora, pterocephalus hookeri heck, bastard indigo, jasmine leaves, Potentilla discolor, fructus forsythia, radix paeoniae rubra, apricot kernels, radices lithospermi, pubescent holly root, Eichhornia crassipes, Sagittaria sagittifolia and glycyrrhiza uralensis. The pharmaceutical composition disclosed by the invention has the beneficial effects that the pharmaceutical composition takes focus on clearing away heat and relieving exterior syndromes, clearing qi and clearing away the heat both in Qi and Ying systems, is supplemented by cooling and activating blood, inducing urination, invigorating stomach and tonifying spleen and tonifying middle-Jiao and Qi and has the advantages of good treatment effect, high curative rate, fast effect, free of toxic and side effects, low cost and the like when used for treating the swine high fever; in addition, the pharmaceutical composition also plays a role of preventing the swine high fever.

The invention discloses a feed for domestic ducks. The feed comprises the components in parts by weight: 25-30 parts of sagittaria sagittifolia, 8-10 parts of wheat, 8-12 parts of corn, 2-6 parts of bean meal, 0.5-1.5 parts of rice bran alcohol residue, 0.5-1 part of escargots, 0.5-1 part of fish meal, 0.8-1.8 parts of calcium carbonate, 0.01-0.05 part of lysine, 0.02-0.1 part of methionine, 0.01-0.08 part of threonine, 0.02-0.06 part of calcium hydrophosphate, 1-1.5 parts of tea oil residue, 0.05-0.1 part of salt, 0.1-0.8 part of additive and 0.1-1 part of Chinese herbal and crude drug preparation. Because of containing the Chinese herbal and crude drug preparation, the feed is capable of improving the immunity of the domestic ducks fed with the feed and greatly increasing the survival rate; the Chinese herbal and crude drug preparation has no side effects.

The invention discloses a method for sweep-frequency ultrasonic wave enhanced subcritical water extraction of nutritional components from Sagittaria sagittifolia Linm, and relates to the technical field of processing of agricultural products. The method is performed according to the following steps: slicing fresh Sagittaria sagittifolia Linm, immediately adding the sliced Sagittaria sagittifolia Linm into a citric acid aqueous solution, carrying out pulping, then injecting an obtained pulp into an ultrasonic pool of an ultrasonic wave treatment system, subjecting the pulp to sweep-frequency ultrasonic treatment, and after completion of sweep-frequency ultrasonic treatment, filtering an obtained pulp so as to obtain a filtrate I and residues; andn continuing adding the citric acid aqueous solution into the residues, pumping an obtained mixture into a subcritical water extraction kettle, controlling the pressure and temperature of extraction, after a period of time of extraction, releasing an extract, carrying out filtering so as to obtain a filtrate II, and combining the filtrate I with the filtrate II so as to be able to obtain a Sagittaria sagittifolia Linm solution rich in nutritional components. The Sagittaria sagittifolia Linm solution prepared by using the method provided by the invention is used as a raw material or an auxiliary material for a variety of nutritious products or medicinal products, and also can be used for preparing active components like polysaccharides, proteins, polypeptides and polyphenols of Sagittaria sagittifolia Linm through separation/enrichment. The method provided by the invention has simple process and realizes comprehensive nutritional components.

The invention discloses chicken feed. The chicken feed is prepared from the following raw materials in parts by weight: 50-80 parts of corn, 20-30 parts of soybeans, 20-30 parts of potatoes, 10-20 parts of dried small shrimps, 10-20 parts of fish meal, 5-15 parts of eggshell, 5-15 parts of feather meal, 5-10 parts of sagittaria sagittifolia, 5-10 parts of lotus seeds, 5-10 parts of red dates, 2-5 parts of salt, 0.5-1 part of fish oil, 0.5-1 part of selenium yeast, 0.1-0.5 part of lactic acid bacteria, 0.1-0.5 part vitamin and 4-8 parts of traditional Chinese medicine powder. The chicken feed does not contain any antibiotics, chemical synthetic drug, chemical hormone and the like, anti-stress ability and body immunity of chickens are improved, morbidity rate of the chickens is reduced, survival rate of the chickens is improved, development and rapid growth of the chickens are promoted, a digestive system of the chickens is not perfect, and the chicken feed discloses by the invention provides lactic acid bacteria as beneficial bacteria, so that development of intestines and stomach of the chickens is benefited, and digestibility is improved.

The invention discloses blood-enriching Sagittaria sagittifolia L.-apricot kernel paste. The blood-enriching Sagittaria sagittifolia L.-apricot kernel paste is prepared from 18-20 parts by weight of butter, 4-6 parts by weight of white sugar, 1-2 parts by weight of russule, 2-4 parts by weight of Sagittaria sagittifolia L., 1-2 parts by weight of pholiota nameko, 10-20 parts by weight of pine kernel, 188-200 parts by weight of apricot kernel, 50-80 parts by weight of thick broad-bean sauce, 5-10 parts by weight of soybean oil, 1-2 parts by weight of table salt, 0.6-1 part by weight of monosodium glutamate, 1-2 parts by weight of table vinegar, 2-4 parts by weight of yellow rice wine, 4-5 parts by weight of chive, 2-4 parts by weight of ginger, 1-2 parts by weight of gynura bicolor, 1-2 parts by weight of edible amaranth, 14-28 parts by weight of beef, 3-5 parts by weight of pork liver, 1-2 parts by weight of ficus carica, 3-6 parts by weight of pig trotter, 1-2 parts by weight of ginkgo, 1-2 parts by weight of barbary wolfberry fruit, 1-2 parts by weight of black fungus, 1-2 parts by weight of sea cucumber, 1-2 parts by weight of sea-tangle and 3-5 parts by weight of blood-enriching fruit and vegetable powder. The raw materials such as russule and gynura bicolor have the good effect of enriching blood. Sagittaria sagittifolia L. has a delicious taste. Therefore, the blood-enriching Sagittaria sagittifolia L.-apricot kernel paste is excellent and has a fragrance striking the nose.

The invention relates to a film-covering and ridging mechanizing culturing method for sagittaria sagittifolia. The film-covering and ridging mechanizing culturing method includes the following steps: 1, seedling growing, wherein germination accelerating is carried out on terminal buds or bulbs, then seedlings are arranged in a hole disc to be cultured through matrixes, a film is laid below the seedlings to keep moisture, complete watering is carried out after inserted sowing is carried out, and then the matrixes are kept wet to facilitate rooting; 2, crop growing land preparing, wherein a paddy field is selected to be deeply plowed, fertilizers are applied to the paddy field, rotary tillage and levelling are carried out, and then ridging and black film covering are carried out; 3, transplanting, wherein the seedlings and the hole disc are jointly transported for planting, water is immediately let out to flood the field after planting is completed, and the water is kept shallow; 4, crop growing land management, wherein shallow-water frequent irrigating is carried out, dryness is strictly prevented, and fertilizer applying management is carried out; 5, harvesting, wherein harvesting is carried out through a machine after field soil is dried in the sun, and the sagittaria sagittifolia is plowed out of the soil surface to be manually picked, cleaned and packaged. According to the film-covering and ridging mechanizing culturing method, as a ridging film covering machine, a vegetable transplanting machine and a mechanical harvesting machine are applied, mechanization is greatly improved, the labor intensity of persons is reduced, and the good use effect is achieved through practical application.

The invention relates to a sagittaria sagittifolia beverage with an original taste and a processing method of the sagittaria sagittifolia beverage, and belongs to the technical field of food processing. The sagittaria sagittifolia beverage comprises the following components in percentage by weight: 6-9 parts of sagittaria sagittifolia, 0.01-0.05 part of sodium bisulfite, 0.005-0.05 part of liquefied alpha-amylase, 2-5 parts of white granulated sugar or xylitol, 0.03-0.05 part of sodium salt of carboxy methyl-cellulose, sodium alginate or agar, 0.01-0.05 part of fatty acid glyceride and 85-90 parts of purified water. The processing method comprises the working procedures of pretreatment of raw materials, pulping, filtration, enzymolysis, enzyme deactivation, blending, homogenization, degasification, filling and sealing, sterilization, inspection and like. The sagittaria sagittifolia beverage is strong in flavor, and has the natural and nutritional characteristics; besides, the production process is clean and environmentally friendly, the technology is simple, and industrialized production is easy to achieve.

The invention discloses a sagittaria sagittifolia Linn polysaccharide composition capable of enhancing an immunologic function and a preparation method of the sagittaria sagittifolia Linn polysaccharide composition, and relates to the technical field of medicine and agricultural product processing. The sagittaria sagittifolia Linn polysaccharide composition is prepared from 10 to 50 parts by massof sagittaria sagittifolia Linn polysaccharide and accessories, wherein the accessories are prepared from the following auxiliary components in parts by mass: 5 to 10 parts of dextrin, 5 to 20 parts of starch, 1 to 5 parts of beewax and 1 to 5 parts of dodecyl sulfuric acid, and the sagittaria sagittifolia Linn polysaccharide composition is prepared according to the proportions, can be prepared into oral preparations such as powder, capsules, tablets and granules, and can be used for enhancing the immunologic function. Effective parts and effective components, for enhancing the immunologic function, of sagittaria sagittifolia Linn are cleared, and a new resource is provided for accurately developing medicine or nutritional healthcare products having an immunoregulation function from a sagittaria sagittifolia Linn resource. The invention provides the preparation method of the sagittaria sagittifolia Linn polysaccharide composition capable of enhancing the immunologic function. The preparation method provided by the invention is simple, has no environmental pollution and is easy in industrialized enlargement.

The invention provides laying duck feed. The laying duck feed is prepared from basic feed and a traditional Chinese medicine additive, wherein the basic feed is prepared from corn vinasse, soybean meal, sagittaria sagittifolia, wheat bran, fish bone meal, littlecnical rabdosia herb stem ash, calcium hydrogen phosphate and calcium carbonate; and the traditional Chinese medicine additive is prepared from zedoary, Chinese fevervine herb, cockscomb flowers, heartleaf houttuynia herb, pale butterflybush flowers, liquorice roots, caesalpinia minax hance, bitter oranges, all-grass of viscidhairy knotweed, hawthorn fruits, salt and table vinegar. The invention further discloses a preparation method of the laying duck feed. With the adoption of the feed and the preparation method thereof, the survival rate of laying ducks in a feeding process can be improved and the egg yield of the laying ducks is improved.

The invention belongs to the technical field of food, and discloses a juicy fresh meat baozi and a preparation method thereof. Baozi wrappers are prepared from the following raw materials in parts byweight: 400-600 parts of flour, 200-300 parts of clear water, 20-30 parts of lard, 10-30 parts of white sugar, 3-8 parts of yeast and 1-5 parts of baking powder. Baozi stuffing is prepared from the following raw materials in parts by weight: 300-500 parts of pork, 40-60 parts of skin jelly, 30-50 parts of sagittaria sagittifolia granules and 300-400 parts of a seasoning. The seasoning comprises the following raw materials in parts by weight: 100-200 parts of fresh soup, 40-60 parts of ginger and scallion water, 30-50 parts of scallion oil, 15-20 parts of a soy sauce, 5-15 parts of sesame oil,3-8 parts of edible salt, 3-8 parts of cooking wine, 1-3 parts of monosodium glutamate, 1-3 parts of chicken essence and 0.1-1 part of ground pepper. The prepared fresh meat baozi is rich in stuffingsoup, delicate and crisp in taste, fresh, tender, delicious and free of fishy smell.

The present invention discloses a radix puerariae blood pressure lowering health-care tea which consists of the following raw materials: 120-150 parts of radix puerariae, 40-60 parts of plumula nelambinis, 40-60 parts of cassia seeds, 6-8 parts of glutinous rice flour, 6-7 lotus leaves, 8-10 parts of winter bamboo shoots, 10-15 parts of selenium-rich matcha powder, 6-10 parts of rose petals, 1-2 parts of bamboo salt, 7-11 parts of sagittaria sagittifolia serous fluid, 5-7 parts of gracilaria lemaneiformis, 4-5 parts of distiller's yeast, 3-5 parts of herba hedyotis, 1-2 parts of pseudo-ginseng, 2-3 parts of stigmata maydis, 2-4 parts of phoenix tree leaves, 1-2 parts of salvia miltiorrhiza, and 7-9 parts of nutritional additive solution. The radix puerariae blood pressure lowering health-care tea uses radix puerariae as the main raw material which has efficacies of lowering blood pressure, lowering blood fat, lowering blood sugar, beautifying feature and protecting skin, and lowering lipid and losing weight, adds winter bamboo shoots, gracilaria lemaneiformis, etc. as accessory ingredients which are rich in vitamins and can promote metabolism, enhance immunity, and at the same time uses stigmata maydis and other various Chinese herbal medicines which have efficacies of lowering blood pressure and causing diuresis, and strengthening spleen and stomach.

The invention discloses sea cucumber and purple sweet potato kidney-tonifying powder. The sea cucumber and purple sweet potato kidney-tonifying powder is prepared from the following raw materials in parts by weight: 260-280 parts of purple sweet potatoes, 7-8 parts of a nutritional supplement, 16-20 parts of iron yam, 3-4 parts of condensed milk, 4-6 parts of celeries, 10-14 parts of spinach powder, 13-14 parts of sea cucumbers, 7-8 parts of lard oil, 3-4 parts of pumpkin jam, 8-9 parts of oyster mushrooms, 13-15 parts of soybean meal, 10-12 parts of sagittaria sagittifolia, 4-6 parts of wheat bran, 6-7 parts of banana peels, 2-3 parts of corn oil, 9-10 parts of green soybeans, 7-8 parts of jelly, 2-2.2 parts of limonium sinuatum, 1.3-1.5 parts of radix scirpi triangulati, 1-2 parts of herba habenariae rhodochellae, 0.6-1 part of rhizoma cibotii and 2-3 parts of ramie seeds. According to the purple sweet potato powder, the components including the iron yams, the celeries, the oyster mushrooms, the sea cucumbers and the like are added so that the mouth feel of the purple sweet potatoes is enriched; and the sea cucumber and purple sweet potato kidney-tonifying powder also contains a plurality of health components such as herba habenariae rhodochellae, radix scirpi triangulate and rhizoma cibotii so that the powder has very good effects of reinforcing kidney and draining dampness, and clearing away heat and toxic materials.

The invention discloses feed with Chinese herbal medicines for laying ducks. The feed is prepared by smashing and uniformly mixing the following raw materials in parts by weight: 30-40 parts of sagittaria sagittifolia, 10-20 parts of wheat, 6-10 parts of corn, 2-6 parts of bean meal, 50-70 parts of corn germ meal, 30-50 parts of corn protein powder, 25-35 parts of rapeseed meal, 25-35 parts of sesame meal, 2-4 parts of dicalcium phosphate, 1-3 parts of table salt, 1-3 parts of baking soda, 0.5-0.8 part of lysine, 0.2-0.4 part of choline, 0.1-0.3 part of lysozyme, 6-8 parts of betaine, 200-240 parts of pine needle powder, 80-100 parts of medical stone, 0.8-1 part of multi-vitamins and 12-18 parts of Chinese medicine additives. The feed for the laying ducks has the advantages that the feed is made of purely natural environment-friendly raw materials and contains abundant nutrition, traditional Chinese medicine components are added into the feed, accordingly, the organism immunity can be improved, diseases can be reduced in a raising process, use of medicines can be decreased, and safe and trustworthy duck eggs can be produced.

The invention discloses a traditional Chinese medicine decoction for treating infantile malnutrition. The traditional Chinese medicine decoction for treating infantile malnutrition comprises the following raw materials in parts by weight: 15-20 parts of tartary buckwheat head, 10-12 parts of coloured malt, 3-5 parts of sagittaria sagittifolia, 5-7 parts of centipeda minima, 3-5 parts of radix pseudostellariae, 2-4 parts of justicia procumbens, 3-5 parts of gardenia florida, 8-10 parts of pericarpium citri reticulatae, 2-4 parts of sweet potato leaves, 4-6 parts of pomegranate leaves, 3-5 parts of semen raphani, 11-13 parts of honey-fried licorice root, 6-8 parts of poria cocos, 3-5 parts of horsetail, 2-4 parts of pothos chinensis, 1-3 parts of curcuma aromatica, 4-6 parts of quispualis indica, 2.5-3.5 parts of radix asteris, 2-4 parts of medicated leaven, 1-3 parts of common melastoma herb, 2-3 parts of heteropappus, 1-3 parts of artemisia annua and 2-4 parts of bidens biternata. The traditional Chinese medicine decoction disclosed by the invention has the effects of tonifying spleen, promoting appetite, removing stagnation, prompting purgation, and helping digestion and expelling parasite, and is capable of reinforcing qi, nourishing blood, soothing the liver, invigorating the circulation of blood, activating yang and restoring the pulse, and then accurately and rapidly treating infantile malnutrition fundamentally.

The invention provides a method for preparing original-taste sagittaria sagittifolia linm juice through double enzymolysis. The method comprises the steps of raw material pretreatment, pre-boiling, pulping, liquifying enzymolysis, saccharifying enzymolysis, enzyme deactivation, rough filtration, refined filtration, blending, homogenizing, filling and sterilization. No stabilizer or essence is added to the original-taste sagittaria sagittifolia linm juice, so that the flavor and nutrients of sagittaria sagittifolia linm are reserved to the maximum degree; sensory quality is high, and the flavor of sagittaria sagittifolia linm is thick.

The invention discloses a method for controlling rice blast and sheath blight by intercropping sagittaria sagittifolia in a rice field, and particularly relates to a method for planting rice and sagittaria sagittifolia in an intercropping way and harvesting mature rice and mature sagittaria sagittifolia in sequence. Field experiment results prove that with intercropping, rice and sagittaria sagittifolia have the symbiotic period in the field, so that the rice sheath blight infection rate of the rice intercropping cultivation is lower than that of rice monoculture; in an elongation stage, a heading stage, a filling state and a milk-ripe stage, the disease occurrence rates of the rice intercropping cultivation are respectively lower than that of the rice monoculture by 64.29%, 88.24%, 25% and 60%; furthermore, the rice blast infected leaf rate of the rice intercropping cultivation is lower than that of the rice monoculture on the whole, and the average control effect reaches up to 31.33%. Compared with the prior art, the method does not use chemical pesticides when being used for controlling the rice sheath blight and the rice blast, thus having obvious ecological economic benefits and guaranteeing the safe production of agricultural products; furthermore, field operation is convenient, and thus the method is convenient for actual popularization and application.

The invention discloses a nutrient solution seedling culture method of Sagittaria sagittifolia. The method comprises several steps of terminal bud selection, germination acceleration, seedling culture, nutrient solution management and planting. Compared with the prior art, the method has the advantages as follows: terminal bus of Sagittaria sagittifolia corms are selected for seedling culture, germination acceleration is performed after the terminal buds are fully disinfected, then seedling culture is performed with a nutrient solution seedling culture method, seedling culture conditions at different stages are controlled strictly, a nutrient solution can be fully utilized, cultured seedlings are high in uniformity, low in infection rate and easy to manage, and the strong seedling rate after planting is higher than 92%.

The invention provides a stabilizer for preparing a sagittaria sagittifolia beverage, and a preparation method and application thereof. The preparation method comprises the following steps of conducting dry-mixing and unifirm-blending on xylitol, xanthan gum, sodium alginate and CMC (Carboxymethylcellulose Sodium); dissolving the mixture with pure water at 80 to 85 DEG C; and stirring for 15 to 20 minutes by using a high-speed shear mixer so as to fully dissolve the mixture to obtain the stabilizer for preparing the sagittaria sagittifolia beverage. The stabilizer for the sagittaria sagittifolia beverage has high stabilizing performance; the sagittaria sagittifolia beverage prepared from the sterilizer has extremely high stability; the phenomena of participating, layering and the like of the beverage can be reduced; and the shelf life can be prolonged.

The invention relates to a facility sagittaria sagittifolia cultivation method. The method includes the following steps of variety and seed bud screening, seedling culturing, sowing, fertilizing and disease and pest control. The method has the advantages that the method is simple, the yield is high, sagittaria sagittifolia is planted two times per year through the facility technology, in other words, early spring cultivation and summer and autumn crop cultivation are achieved, the time to market of spring crop sagittaria sagittifolia can be effectively shortened through early spring cultivation, the time to market of sagittaria sagittifolia can be delayed through the summer and autumn crop, the market vacancy of sagittaria sagittifolia can be filled in through early spring cultivation and summer and autumn crop cultivation, and economic income is increased.