102 results about "Lemna minor" patented technology

The invention discloses a leech high-density stereoscopic cultivation method. The leech high-density stereoscopic cultivation method includes the following steps: arranging cultivation net cages, arranging cultivation media, putting in seedlings, putting in feeds, managing water quality and carrying out inter-cultivation outside the net cages. According to the leech high-density stereoscopic cultivation method, the cultivation density and the survival rate of leeches are greatly improved, and the yield is improved. By means of the existing leech cultivating technology, the dried leech products per mu is about 40kg, after the leech high-density stereoscopic cultivation method is adopted, the dried leech products per mu can reach about 50kg, and the yield is improved by 25%. The feeds (apple snails and field snails) and the leeches are inter-cultivated, the use rate of soil source is improved, meanwhile, lemna minor or water hyacinth planted on the water surface can meet the growth requirements of the apple snails and the field snails, two purposes are achieved, the use rate of the feeds is improved, the production cost is saved, and the economic benefits are improved.

The invention provides a treatment method of livestock / poultry culture wastewater, belonging to the technical field of wastewater treatment. The method comprises the steps of pretreatment, heavy metal treatment, antibiotic treatment and Lemna minor culture. The wastewater treatment method is mainly used for treating livestock / poultry culture wastewater in summer, and adopts the Lemna minor for culture, thereby lowering the contents of ammonia nitrogen and phosphorus in wastewater and providing natural feed for livestock / poultry culture; and the livestock / poultry wastewater is well treated, thereby relieving the economic pressure of the culture farmer, and solving the problem of pollution.

The invention relates to a waste water treatment technology and specifically relates to a device and method for treating organic waste water by combining a microorganism electrolytic tank and lemna minor cultivation. The device comprises a microorganism electrolytic tank, a photobioreactor and a master controller, wherein a secondary light source, an illumination intensity detector and a nitrogen phosphorus concentration detector are arranged on the photobioreactor, and the lemna minor is cultivated in the photobioreactor. The defects that the microorganism electrolytic tank and the lemna minor are respectively used for treating the organic waste water can be overcome simultaneously, the treatment effect of the sewage is improved, and the obtained biofuel methane and biomass can be used for compensating the sewage treatment cost, a new path for efficiently treating the organic sewage is provided, and the method and the device have important significance on energy conservation and emission reduction and environmental management. And furthermore, the device is capable of overcoming the influence of the overcast and rainy weather and haze weather on the treatment efficiency, and the sewage treatment automatic control under different weather conditions can be realized.

The invention discloses a high-efficiency hair care cosmetic and a preparation method thereof, and belongs to the technical field of cosmetic preparation. The cosmetic comprises the following main raw materials: humifuse euphorbia herb, shrubalthea bark, Polygonum aviculare, radix ligustici sinensis, phellodendron bark, Mangnolia officinalis, chrysanthemum flower, gardenia, catechu, chaulmoogra, Cyrtomium fortunei, radix ampelopsis, stemona, pomegranate rind, morning glory seed, southernwood, dark plum, pasqueflower, Lemna minor, tea bran, lysozyme, sericin, hydroxylated soybean lecithin, polyoxyethylene fatty acid ester and modified chitosan. The hair care cosmetic disclosed by the invention has high efficiency and safety, has a remarkable hair care effect, has the favorable effects of sterilization, bacterium resistance and itching relief, improves the infection resistance of hair, can effectively prevent and control phenomena such as head louse appearance and the like on the hair, and exerts favorable hair care action, thereby being worthy of popularization and application.

The present invention discloses a high protein feed for high yield and high survival rate of lobsters. The high protein feed comprises corn flour, cereal chaffs, soybean meal, wheat bran, rice straws, pea powder, seaweed powder, lemna minor powder, earthworm powder, egg yolk, fish meal, tenebrio molitor powder, fly maggot powder, oyster powder, silkworm chrysalis powder, stone powder, shell powder, bone meal, zeolite powder, oil residues, vegetable oil, seaweed powder, calcium hydrogen carbonate, seasame cake, tapioca powder, sodium diacetate, soybean oil, wheat middlings, bacitracin zinc, vitamin A, vitamin C, vitamin E, vitamin D, a disease resistant slow release filling material and a modified antibacterial filling material. The feed for the lobsters can satisfy nutrient requirements for growth of the lobsters, can effectively improve disease resistance of the lobsters, and effectively improves the yield and quality of the lobsters.

The invention discloses a remote-control airboat for collection and compression of lemna minor and a using method of the remote-control airboat, and belongs to the field of water environment treatment. The remote-control airboat comprises a constant immersion-depth airboat. A hydraulic transmission system and a lemna minor collecting, pressing and storing device are arranged on the constant immersion-depth airboat. The lemna minor collecting, pressing and storing device comprises a float grid, lemna minor collection rake teeth, spiral pressing water filters and water filtering perforated plates. The hydraulic transmission system is used for driving the lemna minor collection rake teeth so as to send lemna minor to the spiral pressing water filters. Lemna minor subjected to moderate pressing treatment enters a storage chamber so as to be compressed and stored. A fan of the constant immersion-depth airboat drives the airboat to advance. When the weight of lemna minor in the lemna minor collecting, pressing and storing device is increased, river water of corresponding weight is discharged from the airboat, so that the constant immersion depth of the airboat is ensured. The lemna minor collecting, pressing and storing device further comprises the water filtering perforated plates. The high ends of the water filtering perforated plates are mounted at the bottoms of the lemna minor collection rake teeth. The remote-control airboat realizes lemna minor filtering and compressing, and is strong in collection ability, and compressed lemna minor can be recycled.

The invention relates to the field of a traditional Chinese medicine, and in particular relates to a traditional Chinese medicine for treating pneumonia. The traditional Chinese medicine is prepared from the following raw materials in parts by weight: 5-9 parts of poria cocos, 8-12 parts of licorice root, 6-12 parts of almond, 3-9 parts of ginger processed pinellia, 5-10 parts of lumbricus, 5-20 parts of radix bupleuri, 2-10 parts of pericarpium citri reticulatae, 6-10 parts of herba patriniae, 7-15 parts of radix pseudostellariae, 4-13 parts of golden cypress, 4-9 parts of black nightshade, 6-14 parts of radix curcumae, 5-15 parts of the root of red-rooted salvia, 4-15 parts of pulp of dogwood fruit, 6-15 parts of angelica sinensis, 5-14 parts of leech, 6-15 parts of rhizoma curculiginis, 6-12 parts of raphanus satlvus linne, 4-12 parts of plantain herb, 8-15 parts of Chuanxiong, 6-10 parts of lemna minor and 6-15 parts of the root of fangfeng. The traditional Chinese medicine has significant effect of treating pneumonia without any toxic and side effects.

Provided is a compound biological green manure optimized culturing method. Adversity simulation processing is carried out on lemna minor matched according to different varieties, and then adequate nutrients and proper light are provided to achieve the aim of efficient and quick culturing. The lemna minor comprises duckweed, spirodela oligorrhiza and multi-root lemna minor. According to the concept, which the public pay much attention to, about the production process of green food, agrochemical use policies and the problems of seasonal growth and breeding of the lemna minor, harmless performance difficult to achieve and use inconvenience, by means of the method, quick and efficient reproduction of the lemna minor can be achieved, and nutrient substance in chemicals can be used for culturing of lemna minor green manure more safely and efficiently after being efficiently converted and applied.

The invention provides a Chinese medicinal composition for treating pig body surface parasites and a preparation method thereof, and relates to the technical field of preparation of a pig veterinary medicine. The Chinese medicinal composition is prepared from the main raw materials: cleistocalyx operculatus bark, radix ampelopsis, yellow lycoris bulb, tobacco, Incised Corydalis Herb, wintercherry, delphinium, maritime dock, golden larch bark, Chinese mugwort leaf, sessile stemona root, mint, lemna minor, philippine violet herb, eucalyptus grandis leaves, alderleaf sida leaf, roegneria thoroldiana, senecio dianthus franch and liquorice root. By scientific compatibility and a synergistic effect of various raw materials, the Chinese medicinal composition has effects of removing toxicity and killing parasites, dispelling wind and arresting itching, inhibiting bacteria and promoting granulation and the like, can effectively remove and treat parasites of louse, mite, tick, flies, mosquitoes and the like on body surfaces of pigs and symptoms of pruritus, bleeding, abscess, dermatitis and the like, which are caused by the parasites, meanwhile, can inhibit microorganism and mould breeding on the body surfaces of the pigs, promotes regeneration of damaged skin, is safe, has no irritation and is valuable to popularize and use.

The invention discloses a method for utilizing running water net cages to breed whitmania pigra. The method includes the following steps that (1) the net cages are manufactured; (2) the net cages are placed at the sheltered and sunny positions in a water area, and the interval between every two adjacent net cages ranges from 2m to 3m; (3) the net cages are placed into water 10 days before the whitmania pigra is placed into the net cages, meanwhile, water hyacinth, lemna minor and other aquatic plants are placed into the cages, and the placed aquatic plants account for 35-40% of the net cage water surface area; (4) food of the whitmania pigra is placed in the water area, wherein the weight of food is 2-3 times the weight of the whitmania pigra; (5) in an appropriate cloudy day early in July, the young whitmania pigra is placed into the different net cages of a river channel according to the body sizes, and the 3000 whitmania pigra is placed in each net cage; (6) in general, nets are hauled and the whitmania pigra is caught from late October. Due to the adoption of the method, the defects that artificial running water breeding cost is high, the yield of the whitmania pigra bred in natural running water surfaces is low, and the whitmania pigra is not easy to catch can be well overcome. The practice shows that due to the adoption of the method, the yield can be effectively improved and social benefits and economic benefits are remarkable.

The invention discloses a multifunctional lemna minor culturing net cage for a pond, which comprises a net cage, a floating body check block and an outer edge net, wherein the upper end face of the net cage is an open face; the net cage is provided with sinkers; the floating body check block is arranged at the upper end of the net cage in a manner of surrounding the edge of the upper edge of the net cage; the outer edge net is a netty sheet body, is connected with the floating body check block, is laid around the upper end of the net cage in a surrounding manner and is provided with floats so as to float on the water surface; the net cage is suspended in the water under the combined action of buoyancies of the floating body check block and the floats and sinking forces of the sinkers; the floating body check block floats on the water surface in a manner that the top half part of the floating body check block is exposed out of the water surface; the floating body check block is provided with at least one foodstuff opening. The multifunctional lemna minor culturing net cage for the pond has good lemna minor culturing and preservation functions and not only can continuously provide edible lemna minor for fishes, but also takes an effect of purifying water quality of the pond. Moreover, the multifunctional lemna minor culturing net cage for the pond can also be used for culturing and breeding fancy fishes such as goldfishes and the like and can also be used as a temporary rearing net cage of fishes in necessity.

The present invention provides a lemna minor hydrolysate, and a method of using the lemna minor hydrolysate to cultivate microorganism to prepare carotenoid.

The invention discloses an amino acid foliar fertilizer produced with edible fungus residue as the main material and a preparation method thereof. The fertilizer adopts edible fungus residue as the main material, and takes waste molasses liquid, Chinese herbal medicine, shell powder, acacia leaf, rice bran, plant ash, naphthylacetic acid and indoleacetic acid, etc as the auxiliary materials. According to the characteristics of the raw materials, Aspergillus niger, Aspergillus oryzae and Bacillus licheniformis are employed for step fermentation in order, stirring is carried out continuously during fermentation, and quantitative oxygen is introduced regularly. Specifically, the Chinese herbal medicine is composed of lemna minor, cinnamomum camphora leaf, astragalus, acorus calamus and mint. The shell powder is prepared by drying and crushing of lobster shell or crab shell. The amino acid foliar fertilizer prepared by the method provided by the invention has an amino acid content of more than or equal to 30% and comprehensive nutrition, contains crop growth required macroelements, trace elements and growth regulator and a lot of active substances produced by fermentation, has high plant absorption and utilization rate, and has wide raw material sources and low price. Also, the production process has no pollution or sewage discharge, and is environment-friendly and sanitary.

The invention provides a medicine composition for treating rashes. The medicine composition is a preparation prepared from the following active pharmaceutical ingredients in parts by weight: 20-40 parts of lemna minor, 17-31 parts of coix seed, 17-31 parts of rhizoma smilacis glabrae, 10-20 parts of belvedere fruit, 7-13 parts of radix sophorae flavescentis, 7-13 parts of cortex dictamni, 7-13 parts of rhizoma atractylodes, 17-31 parts of flaxseed, 7-13 parts of periostracum cicadae, 2-5 parts of Chinese tamarisk twig, 4-8 parts of fineleaf schizonepeta herb, 4-8 parts of divaricate saposhnikovia root, 5-11 parts of great burdock achene, 17-31 parts of gypsum, 7-13 parts of rhizoma anemarrhenae, 7-13 parts of cortex phellodendri, 10-20 parts of Sinkiang arnebia root, 8-16 parts of radix rehmanniae, 7-13 parts of angelica sinensis and 2-5 parts of liquorice. The invention also provides a preparation method and an application of the medicine composition. The medicine composition can effectively eliminate or greatly relieve the symptoms of such rash diseases as eczema, prurigo and rubella, can cure the primary diseases to some extent and provides a new choice for clinical medication.

The invention discloses an organic compound fertilizer and a preparation method thereof. The organic compound fertilizer comprises the following raw materials in parts by weight: 1-3 parts of EM stock solution, 28-30 parts of sheep manure, 4-8 parts of bittern, 6-8 parts of apatite, 2-6 parts of brucite, 5-9 parts of kieselguhr, 2-4 parts of magnetic iron ore, 6-8 parts of oyster shell, 3-5 parts of furfural residue, 12-14 parts of chara, 10-12 parts of malachium aquaticum, 8-10 parts of sphagna, 4-6 parts of wolffia arrhiza, 8-10 parts of lemna minor and 13-15 parts of azolla. The organic compound fertilizer takes effect quickly and can improve the soil properties, enhance the soil fertility and increase the crop yield.

The invention provides a method for quickly inducing, sub-culturing and efficiently regenerating spirodela calli. A rapid spirodela regeneration system is firstly created by taking spirodela of spirodela schleid of lemna minor as a material and by inducing and sub-culturing the spirodela calli, and regenerating the spirodela calli. According to the method, the formation of spirodela regeneration plants can be efficiently induced by using a hormone-free formula; the regeneration time is shortened to two weeks; both the regeneration rate of the regeneration plants and the regeneration rate of spirodela roots reach 100 percent. The efficient spirodela rapid regeneration system established by the method can be applied to related research and production work very well and also provides an important technical platform and support for the research of transgenosis and the like.

The present invention provides a feed promoting rapid growth of live pigs, enhancing immunity and being relatively low in drug residues, and relates to the technical field of breeding the live pigs. The feed comprises the following raw materials: 110-130 parts of soybean flour, 125-135 parts of corns, 80-95 parts of fish meal, 88-101 parts of soybean meal, 75-85 parts of blood and bone meal, 56-84 parts of silkworm chrysalis powder, 30-38 parts of glutinous rice wine, 11-18 parts of periostracum cicada, 8-15 parts of herba asari, 4-13 parts of chamomile, 10-18 parts of equisetum hyemale herbs, 7-12 parts of lemna minor, 2-8 parts of mulberry leaves, 3-9 parts of fructus viticis, 11-16 parts of radix geutianae, 8-15 parts of radix scutellariae, 4-10 parts of cortex moutan, 9-20 parts of cortex lycii radicis, 12-16 parts of intestine moistening herbal medicines and 14-22 parts of toxin removing herbal medicines. Beneficial effects are as follows: the feed is sufficient in nutrition components, can help pigs absorb and digest nutrients, promotes growth and development of the pigs, further contains trace elements enhancing immunity, and is relatively low in the drug residues.

The invention discloses a pollution-free laying hen feed. The pollution-free laying hen feed comprises the following components in parts by weight: 100 parts of corn, 40-45 parts of soya bean meal, 10-15 parts of eggshell powder, 3-5 parts of methionine, 30-35 parts of a mixture of fly maggots and chicken manure, 2-3 parts of peanut seedling grass meal, 0.6-1 part of alfalfa meal, 0.5-0.6 part of corn straw grass meal and 0.5-0.7 part of lemna minor grass meal. The pollution-free laying hen feed has the advantages that the used raw materials are cheap and easy to obtain and no hormone addition agent is used; and the egg laying peak of laying hens is prolonged and the obtained economical benefits are remarkable.

The invention belongs to the field of traditional Chinese medicines, in particular relates to traditional Chinese medicine preparation for gynecological nursing for sterilizing and relieving itching. The traditional Chinese medicine preparation is prepared by the following raw materials by weight: 10-50 g of dandelion, 30-60 g of honeysuckle, 20-50 g of rhizoma smilacis glabrae, 15-35 g of yam rhizome, 10-30 g of Lemna minor, 15-35 g of fructus forsythiae, 20-50 g of radix sophorae flavescentis, 10-30 g of scorpio, 10-30 g of folia perillae acutae, 15-35 g of kawazure, and 10-30 g of liquorice. The traditional Chinese medicine preparation has the compatibility of medicines, achieves the effects of clearing heat, removing poison, killing parasites and relieving itching, and suits the remedy to the case so as to have quick effect and high cure rate; 393 gynecological patients are cured within one week through the clinical treatment; the cure rate reaches 100%.

The invention discloses a medical color doppler ultrasound coupling agent and a preparation method thereof, and belongs to the field of traditional Chinese medicines. Effective components of the coupling agent, namely a traditional Chinese medicine preparation, comprise the following raw materials: calendula, angelica dahurica, tea-seed oil, broom cypress fruit, lemna minor, leaves of acronychia pedunculata (L.) Miq., catalpa leaves, cinnamomum camphora leaves, delavay pararuellia herb, begonia fimbristipula, passiflora wilsonii Hemsl, potentilla fulgens Wall.ex Hook., cherry, milk, pinus koraiensis Sieb.et Zucc., and aloe. The herbs selected and used in the traditional Chinese medicine preparation are compatible, and the coupling agent conforms to the traditional Chinese medicine and modern medicine theories, has efficacies of clearing heat to remove toxicity, sterilizing and diminishing inflammation, and is excellent in lubrication effect, convenient to use, excellent in absorption effect, and free of adverse, toxic and side effects; clinical application proves that the coupling agent is non-irritant to a human body, excellent in imaging effect, high in image resolution, and suitable for clinical popularization and application to medical color doppler ultrasound diagnosis.

The invention belongs to the field of Chinese medicament application, and in particular relates to a Chinese medicament for treating edema. The Chinese medicament is prepared from the following raw materials in a certain weight proportion: forsythiae capsule, rhizoma alismatis, Chinese lobelia herb, glutinosae rice root, motherwort, loofah sponge, Chinese date, lemna minor, golden cypress, Chinese atractylode rhizome, coix seed, scandent hop, radish seed, grifola, sclerospora graminicola and levant cotton root. The Chinese medicament has the advantages of simple preparation, good absorption effect, long drug effect duration, remarkable curative effect, no side effect, high safety and low production cost, and is advantageous to reducing symptoms of a patient in time.

The invention discloses a lemna minor salvage ship. The ship comprises a storage chamber, a salvage device, a slide block, a supporting rod, a pushing rod and a stepping motor, and the storage chamberis formed in a ship body; the salvage device is located at the prow position and comprises a salvage shovel, the salvage shovel is in a scraper pan shape, and the facing direction of an opening of the salvage shovel is consistent with the running direction of the salvage ship; the back portion of the salvage shovel is fixedly connected to one end of the supporting rod, and the other end of the supporting rod is hinged with the ship body; the slide block is slidably connected with the supporting rod, one end of the pushing rod is hinged with the slide block, the other end of the pushing rod isconnected with the stepping motor, and the stepping motor is fixed to the ship body.

The invention relates to a traditional Chinese medicine tea bag for treating psoriasis and a preparation method thereof and belongs to the technical field of traditional Chinese medicine preparations. A technical scheme is that the traditional Chinese medicine tea bag includes 25-30g of kochia scoparia, 25-30g of honeysuckle, 25-30g of salvia miltiorrhiza bunge, 25-30g of smilax glabra, 25-30g of mix-fried zaocys dhumnades, 25-30g of dictamnus dasycarpus turcz, 20-25g of cortex pseudolaricis, 20-25g of paeonia suffruticosa, 20-25g of mix-fried hedgehog hide, 20-25g of mix-fired elephant hide, 15-20g of fructus cnidii, 15-20g of fructus forsythiae, 15-20g of red peony roots, 15-20g of sophora flavescens, 15-20g of cicada slough, 15-20g of divaricate saposhnikovia roots, 15-20g of herba schizonepetae, 10-15g of fructus arctii, 10-15g of crude gardenia, 10-15g of lemna minor, 10-15g of lithospermum erythrorhizon and 5-10g of radix glycyrrhizae. In the invention, a conventional traditional Chinese medicine decoction is replaced by tea, has an effect of treating both the interior and the exterior, is free of any toxic and side effect, is low in cost, allows a patient to avoid hospitalization, is quick in pain relieving and is convenient to take.

The invention discloses a preparation method of a lemna minor protein feed. The preparation method comprises the following steps of (1) taking 80 parts by weight of lemna minor under the condition of45 DEG C, performing drying until the water content is 80%, and performing crushing to obtain a mixture 1; (2) adding 20 parts of corn flour to the mixture 1 in step (1) to obtain a mixture 2; (3) adding 1% of nutritive salt liquid to the mixture 2 in the step (2), wherein the nutritive salt liquid comprises 0.18% of ammonium sulfate, 0.36% of potassium dihydrogen phosphate, 0.27% of magnesium sulphate and 1000ml of water to obtain a mixture 3; (4) placing the mixture 3 in the step (3) under the condition of 121 DEG C for heating for 20min, and performing sterilization to obtain a culture medium; (5) performing inoculating in the mixture in the step C in the proportion of geotrichum candidum to candida utilis to beer microzyme culture medium bacteria being 2.9 to 2.5 to 2.5, and at the temperature of 30 DEG C, performing sealed culturing for 80 hours; and (6) performing permanent-temperature drying the mixture in the step D at 65 DEG C to obtain permanent weight, and performing grinding to obtain powder. According to the preparation method of lemna minor fermentation protein powder, provided by the invention, the economical efficiency can be increased, and the lemna minor sources can be used to the maximum extent.

The invention belongs to the technical field of feeds, and particularly relates to a sow constipation preventing feed. The sow constipation preventing feed is prepared from the following raw materials in parts by weight: 30-70 parts of rice, 20-40 parts of sorghum, 15-35 parts of corn meal, 10-30 parts of cottonseed hull, 8-18 parts of peanut hull, 20-40 parts of soybean meal, 3-11 parts of bone meal and 4-16 parts of a traditional Chinese medicinal additive, wherein the traditional Chinese medicinal additive is prepared from the following raw materials in parts by weight: 20-40 parts of elsholtzia, 18-30 parts of ligusticum, 10-22 parts of fructus viticis, 8-18 parts of lemna minor, 5-15 parts of bamboo leaf, 2-10 parts of herba commelinae, 1-8 parts of pipewort and 1-5 parts of bitter apricot kernel. The sow constipation preventing feed is safe and high in efficiency, can prevent occurrence of sow constipation and treat and relieve sow constipation symptoms, is suitable for taste needs of sows, and can greatly improve the appetite of the sows and the reproductive performance of the sows.

The invention relates to a wind-dispelling and itching-arresting lotion. The drug is prepared from the following raw materials by weight: 7-11 parts of cicada slough, 4-10 parts of muscardine silkworm, 10-15 parts of cortex dictamni, 6-12 parts of Cynanchum paniculatum, 14-20 parts of lemna minor, and 8-12 parts of fructus viticis. The wind-dispelling and itching-arresting lotion provided by the invention has the efficacy of clearing heat and removing dampness, expelling wind and arresting itching, and has special curative effect on urticaria, eczema, skin allergies, allergic dermatitis and other skin diseases.

The invention discloses an oolong tea shampoo and shower gel and a preparation method thereof. The hair shampoo and shower gel is made of oolong tea, glutinous rice, duckweed, imperina coronata root, mulberry leaves, cassia buliu xing, royal jelly, medical stone, Prepared from Ravenul, PEG‑120 methyl glucose dioleate, disodium cocoamphodiacetate; volatile oil and catechin extract prepared from oolong tea boiled and extracted; prepared by injecting ozone into glutinous rice Glutinous rice juice; the rest of the traditional Chinese medicine components are decocted to prepare a thick paste; the medical stone is crushed to the micron level; the processed raw materials are mixed with other auxiliary materials to make shampoo and shower gel according to the conventional method; the innovative use of oolong tea in the present invention And the active ingredients of a variety of plants, the drug source is rich, the cost is low, and the preparation process is simple. From the perspective of drug compatibility, the combination of cold and heat is flat, suitable for people with various skin types, and can solve the problem while maintaining the original skin care and cleaning performance. A variety of small skin problems, a wide range of applications.

The invention discloses a method for preventing incrustation for cress and a water charging matched device for a cress pool. Incrustation can be prevented from being deposited on the sheath and the stem of the cress effectively, so that the production commodity rate, the quality and the efficiency of the cress are improved significantly. The method for preventing incrustation for the cress comprises construction of a leakproof cress pool with a proper area, management of mud at the bottom of the cress pool and strict water management for the cress pool. The water charging matched device for the cress pool can prevent water from directly washing the mud at the bottom of the cress pool and the cress; lemna minor is planted to absorb the organic impurity in the water of the cress pool so as to purify the water of the cress pool and shade the light. Accordingly, the tenderness and the whiteness of the sheath and the stem of the cress are improved.

The invention discloses special-grade crucian feed and a preparing method thereof. The special-grade crucian feed is prepared from, by weight, 25-30 parts of bean flour, 25-30 parts of rapeseed powder, 10-15 parts of rice bran, 10-15 parts of wheat starch, 8-15 parts of wheat bran, 12-20 parts of river snail meat powder, 12-20 parts of earthworm powder, 4-6 parts of lotus plumule leaves, 5-10 parts of folium artemisiae argyi, 3-6 parts of lemna minor and 50-80 parts of water. The special-grade crucian feed and the preparing method thereof have the advantages that original feed is adopted for all ingredients and contains no additives or hormones, all the ingredients are mixed and added with water, evenly stirred and then put for sufficient time for fermentation, and the food snatching rate of crucian is increased; the lotus plumule leaves, the folium artemisiae argyi and the lemna minor are added, and thus the oral cavity fester disease, the body surface blood cake disease and the intestinal tract flatulence disease of the crucian are prevented; the crucian fed with the feed is smooth and tender in taste and rich in nutrition.

The invention discloses a starter feed for meat geese. The starter feed is prepared from the following components in parts by weight: 180-220 parts of rice bran, 160-180 parts of bean dregs, 80-90 parts of peanut vines, 60-70 parts of sweet potato seedlings, 30-40 parts of lemna minor, 30-40 parts of fish meal, 4-6 parts of dicalcium phosphate, 2-4 parts of table salt, 0.8-1.4 parts of complex vitamins, 1.5-2.5 parts of composite trace elements and 4-6 parts of traditional Chinese medicine nutrient fluid, wherein the traditional Chinese medicine nutrient fluid is prepared from the following raw materials in parts by weight: 3-5 parts of radix acanthopanacis senticosi, 8-10 parts of radix astragali, 6-8 parts of bighead atractylodes rhizomes, 5-7 parts of radix codonopsis, 2-4 parts of heartleaf houttuynia herbs, 2-4 parts of folium isatidis, 3-5 parts of licorice roots, 3-5 parts of dandelions and an appropriate amount of water. The starter feed disclosed by the invention can enhance the immunity of young meat geese, increase the survival rate of the young meat geese, promote the maturation of digestion systems, accelerate the growth rate, and increase the utilization rate of the feed, and is good in starting properties, comprehensive in nutrients and capable of enhancing the immunity of the young meat geese, and the survival rate of the young meat geese can be obviously increased.