232 results about "Swamp" patented technology

The invention relates to a method for preparing straw dairy manure organic fertilizer, comprising the steps of mixing a certain amount of straw powder or rice chaff, and the like, with swamp liquid; preparing into swamp liquid straw mixture with proper water content; evenly mixing the prepared swamp liquid straw mixture, the dairy manure with proper water content and zymogeneous bacteria agent; sequentially firstly fermenting, periodically piling, secondly fermenting, periodically piling, dehydrating, and stopping fermenting; and processing, packing or finish machining to prepare the organic fertilizer. The method harmlessly processes the swamp liquid and prepares the organic fertilizer therewith, not only solves the river pollution problem caused by randomly discharging the swamp liquid, but also can use the organic fertilizer for crops.

The invention relates to a microbe germ composition, a cyanophyte biological germ leaven which contains the microbe germ, a cyanophyte fermentation nutrient, a cyanophyte biological organic fertilizer and a method for preparation, wherein the microbe germ composition contains plant lactobacillus, bacillus subtilis and swamp Rhodopseudomonas, the cyanophyte biological germ leaven is prepared by microbe germ composition and base, the cyanophyte fermentation nutrient is prepared by cyanophyte biological germ leaven and cyanophyte, the cyanophyte biological organic fertilizer is prepared by cyanophyte fermentation nutrient, organics base and water-loss reducer. The microbe germ composition is provided with the ability for fermenting solid cyanophyte, which can transform nutriment in the cyanophyte into the material for crops. The cyanophyte fermentation nutrient can be superior animal feed. The cyanophyte biological organic fertilizer is provided with crop pest control effect, which adds the soil organics content and improves nutrient utility to accelerate the plant growth belonging to natural superior organics fertilizer.

The invention discloses a penaeus vannamei farming method combining bioflocculation technology and a multi-trophic-level integrated farming mode. The penaeus vannamei farming method combining the bioflocculation technology and the multi-trophic-level integrated farming mode includes the steps such as early-stage preparations of farming conditions, putting of penaeus vannamei and small-size fish, swamp cabbage planting, starch addition and feeding feedstuff management. According to the method, the multi-trophic-level integrated farming mode and the bioflocculation technology are innovatively applied to penaeus vannamei farming in a combining mode, namely, a multi-trophic-level integrated farming system composed of polyculture of the penaeus vannamei, the small-size fish and swamp cabbages. Starch is added in the farming system to serve as carbon source cultivation biological floccules. The levels of ammoniacal nitrogen and nitrous nitrogen in a water body are controlled through a bioflocculation action. Simultaneously, residual bait and excrement are utilized to form bacterium floccules which prawns and the small-size fish can ingest and utilize, and therefore the survival rate of the penaeus vannamei and the efficiency of feed utilization are improved. Relative to an ordinary single-farming mode, aspects of ecological benefits, economic benefits and farming effects in the farming system all achieve obvious effects.

The invention relates to a method for cultivating swamp eels and a device thereof and pertains to the technical field of agricultural cultivation, which is used for solving the problem of industrial high-density cultivation of the swamp eels under the unnatural conditions. The technical proposal thereof is that a three-dimensional multilayer small-area controllable water level combined-typed cultivating pool is arranged at the heliophobe indoor; according to the living habits and requirements of the best growing environmental conditions of the swamp eels, water source, the conditions of water quality, breeding density and bait proportion are configured for cultivating the swamp eels. Meanwhile, the three-dimensional combined-typed cultivating pool, a filtration pool, a deposition pool, an oxygenation pool, a dosing pump, a disinfector, a thermostat, and the like, form a closed water cycle system. And the problems of water supply, filtration, deposition, disinfection, constant temperature, constant flow, oxygenation, pollution discharge, and the like, under the condition of high density cultivation are solved in the cycle. By applying the method and the device of the invention, the swamp eels can be cultivated all the time without the influences of season and climate, and the large-scaled industrial cultivation of the swamp eels which are excellent special aquatic products can be realized.

This invention relates to a kind of photosynthetic bacterium that has a high assimilation utility to nitrite nitrogen. More specifically, this invention provides a Rhodopseudomonas palustris strain that can assimilate nitrite nitrogen, and its r ejuvenation, preservation, biological detection and application. The photosynthetic bacterium is a kind of biological water purifier and biological fertilizer, and can be used in controlling the content of nitrite nitrogen in water body for aquaculture, improve environmental pollution, and eliminate cinnamic acid and benzoic acid. The photosynthetic bacterium can be used as nitrogen-fixing biological fertilizer and cucumber growth promoter.

The invention relates to a method for planting Goprinus comatus by adopting fen liquid. The main material of cultivating base material is fen liquid and straw and after aerobic treatment, the fresh fen liquid is mixed with water according to volume ration of 1:1. The invention replaces water in mixture and normal earth covering water with fen liquid to water the soil and also applies the fen liquid as additional fertilizer; the fen liquid contains a plurality of nutrient substances, which can rich and balance nutrition in base material, thus reducing the planting cost by about 30 percent, therefore, the invention not only recycles the fen liquid and prolongs circular application chain of biomass energy, but also realizes the full and balanced nutrition of the base material of Goprinus comatus and improves the quality of Goprinus comatus by about 20 percent.

The present invention relates to systems and related methods of water purification by distillation that will operate in a self-contained mode using a passive heat source, such as, without limitation, solar heat, air conditioning waste heat, or waste heat from the exhaust or cooling systems of an internal combustion engine, which may be used to desalinate sea water, saline water, or saline water containing contaminants. The present invention may also be used to distil sewage water, creek water, swamp water or water containing contaminants or used to cleanse or purify water contaminated with mud, chemicals, minerals, or bacteria in a local environment.

The invention provides a reed-fish-shrimp-crab ecological polyculture method for inland soda saline-alkaline reed swamps, which includes crab acclimation, stocking densities of fries, juvenile shrimps and juvenile crabs, culture management and catch and reed culture. After the method is adopted, the survival rate of acclimated crabs is 81.3 percent; the average stocking densities of river crabs, fishes and shrimps are 2138 river crabs / hm<2>, 510 fishes / hm<2> and 11750 shrimps / hm<2>, the average catch weights of the river crabs, fishes and shrimps are 87.15kg / hm<2>, 233.30kg / hm<2> and 52.88kg / hm<2>, the average catch specifications of the river crabs, fishes and shrimps are 145.2g per crab, 670.6g per fish and 5.3g per shrimp, the average recapture rates of the river crabs, fishes and shrimps are 26.83 percent, 69.45 percent and 83.63 percent, the average density of reed is increased by 9.69 percent, the average yield is increased by 12.47 percent, and the input-output ratio of the experimental area is 1:3.174.

The invention relates to a purifying art for a water system in a landscape park. Surface water is delivered through a sand basin (3) and then to an oxidation pond (4) with filler, the water then flows into an artificial swamp (1), and the water which flows out of the artificial swamp is regulated and deposited by a stabilizing pond (5), finally the water flows into the water pond of the landscape park; the water is pumped into a stream swamp (2) of the park by a pumping device (6), the water in the stream swamp is pumped to a mudflat swamp (7), thus the water in the mudflat swamp can automatically flow back to the water pond of the landscape park; the domestic sewage in the landscape park is treated in the biomass energy transforming center and then is delivered into the oxidation pond (4) with filler. The biomass energy transformation includes the procedures of adjusting, oil separation, anaerobic reaction, aerobic reaction and depositing; the biomass energy transformation is mixed with the common domestic sewage after two grades of anaerobic reactions. The invention can assure the water quality in the landscape park to be equal to or better than the water quality for entertainment in the landscape park; the treatment procedure can protect environment, thereby providing satisfactory water source for an artificial lake as well as effectively treating the waste; and the invention can provide the needed energy for the whole treatment system and have great social and economic benefits.

The invention discloses a short time electric power load prediction method and device. The short time electric power load prediction method predicts an electric power load through integrating quantile regression and robustness extreme learning and using a hybrid prediction model established after optimizing a hybrid particle swamp algorithm (PSOGSA). The quantile regression uses multiple quantiles of history electric power data influence factors to obtain a quantile equation corresponding to a conditional distribution of electric power load prediction data of sometime in the future; stochastic disturbance of electric power data inputted in quantile regression can describe statistic distribution of prediction load values in detail without the need of making any hypothesis on distribution, which makes the whole prediction model strong in robustness; the robustness extreme learning machine is more robust in an abnormal load value; and the electric power load can be predicted by combining the two methods and using a hybrid model formed after optimizing the PSOGSA. The invention also provides a short time electric power load prediction device having the same beneficial effects.

The invention relates to method of crossbreeding the exotic fresh water crayfish, especially to method of crossbreeding the Luo shi swamp shrimp. The invention introduces the distant Luo shi swamp shrimp sprout A, mating the female parent shrimp and male parent shrimp of the distant Luo shi swamp shrimp sprout A with that of native breed and getting the cross cut B1+ and negative cross B1-; mating the cross cut B1+ and negative cross B1- with the native breed and getting the backcross B2++ of B1+, negative back cross B2+- of B1+, negative back cross B2-- of B1- and back cross B2-+ of B1-; breeding the backcross B2++ of B1+, negative back cross B2+- of B1+, negative back cross B2-- of B1- and back cross B2-+ of B1-. The survival rate and seed-accumulating rate of the four kinks of sprout is all good, the composition of water, coarse ash content, coarse protein, coarse fat content, amino acid and aliphatic acid is higher than that of native obviously by applying the technique in this invention, especially the breed-accumulating rate of the cross B2-+ of B1- is increased to 67.25%, the rate of emergence to 94.56%.

The invention provides a crab-mandarin fish-xenocypris composite ecological cultivation method for soda type salinization reed swamp wet land, which comprises seeding domestication, released density and cultivation management, catching and fostering. The seeding domestication survival rates (%), the average released densities (pieces / hm<2>), the average released specifications (pieces / hm<2>), the average released weights (kg / hm<2>) of the crab, the mandarin fish and the xenocypris are respectively as follows: 1) 87.7%, 86.4% and 79.2%; 2) 1450,190 and 420; 3) 5.4,25.7 and 83.2; and 4) 7.83,4.88 and 34.94. The average catching densities ((pieces / hm<2>), the average catching specifications (pieces / hm<2>), the average catching weight (kg / hm<2>) and the average recapture rates of the crab, the mandarin fish and the xenocypris are respectively as follows: 1) 479,136 and 228; 2) 165.5,289.3 and 257.1; 3) 79.25,39.30 and 58.60; and 4) 33.0,71.6 and 54.3.

The invention discloses a method for recovering sonneratia apetala artificial forest wet land benthonic animal resources. A sonneratia apetala forest is treated, pruning is performed or weeds and miscellaneous shrubs under the forest are removed and then native mangrove seedlings are planted; fishing strength on low-value variety benthonic animals excessively growing under the sonneratia apetala forest is reinforced; ditches are dug under the sonneratia apetala forest; after the ditches are dug well, first pioneer aquatic animal fingerlings are placed, economic variety benthonic animal fingerlings are placed, and finally nekton fingerlings are placed in the ditches. According to the method, the sonneratia apetala forest which recovers to be a forest does not need to be chopped down in a large area, the influence on the benthonic animals caused by some biological characteristics of sonneratia apetala is reduced by remolding the recovered sonneratia apetala artificial forest, and the goal of taking recovering sonneratia apetala artificial forest swamp as a marine fishery base to be continuously utilized is achieved. Some economic benthonic animals are reproduced artificially, and an optimal artificial forest ecological balance - economic benefit mode is established.

The invention discloses a method for improving soil and conserving soil and water in Karst rocky desertification areas, In the method, turf in humic acid soil at the foot of Karst mountains and Guizhou upland swamps as a soil nutrient and acidity improver, cultivated land clay of slope of Karst mountains as a soil fixing agent and little amount of artificially synthesized carboxymethylcellulose-polyacrylic resin as a soil and water conservation agent are applied to desertification Karst soil according to actual condition of soil in hoodoos and hills of desertification Karst uplands and demands for recovering the vegetation so as to achieve the purpose of improving the soil, reducing the loss of soil and water, increasing the water conservation capacity of the soil and improving the adaptability of the soil for the growth of plants and promoting the rapid recovery of plants.

The invention relates to a fertilizer, and particularly relates to a seaweed biological fertilizer and a preparation method thereof. The seaweed biological fertilizer is prepared from the following raw materials in parts by weight: 30-50 parts of seaweed, 1-3 parts of hoof and horn meal, 1-4 parts of EM bacteria, 2-3 parts of amino acid powder, 1-4 parts of potassium humate, 12-14 parts of soybean powder, 12-35 parts of vitamin C, 2-6 pats of plant ash, 2-4 parts of Chinese mahonia stem, 4-8 parts of rhizoma smilacis glabrae, 1-3 parts of Chinese honey locust, 2-5 parts of szechwan Chinaberry fruit, 3-5 parts of swamp mahogany leaf, 3-5 parts of asiatic striga herb, 3-6 parts of fructus cnidii, 4-6 parts of chenopodium ambrosioides, 3-8 parts of kaladana and 3-5 parts of astragalus membranaceus. The seaweed biological fertilizer and the preparation method thereof have the beneficial effects that the seaweed biological fertilizer is rich in organic matter, is high in fertilizer efficiency utilization ratio, is long in fertilizer efficiency duration time, is comprehensive in nutrition of the fertilizer, is beneficial to improving the soil, is rapid in assimilation by crops, is convenient to apply, has the living body adjusting functions of the seaweed activity and the biological agent, can effectively enhance the high yield and early ripening of crops, and can improve the disease resistance, and enhance the quality of crops.

The invention relates to the field of bioremediation of rivers, and in particular relates to a composite microbial preparation for watershed bioremediation as well as a preparation method and application thereof. The microbial preparation comprises active ingredients including bacillus natto, candida utilis and rhodopseudomonas palustris which are mixed together in a volume fraction ratio of 1:1:1; the microbes for water treatment are combined with zeolite to prepare a comprehensive preparation for water treatment; the specific gravity of the obtained comprehensive preparation for water treatment is greater than that of water, so that the obtained comprehensive preparation for water treatment quickly sinks to the bottom of water and can not be washed away by water flow easily; the zeolite is used as a carrier for the microbes to grow, and can provide certain nutrition substances required by growth for the microbes while adsorbing pollutants, and the microbes attached to the zeolite perform decomposition and anabolism on the pollutants to ensure that the zeolite restores the adsorptive property, so that a virtuous cyclic process is formed. The microbial agent provided by the invention can adapt to fresh water and seawater environments at the same time, and has an effective bioremediation effect on watercourses of certain coastal cities, wherein the water quality of the watercourses has fresh water and seawater alternating conditions along with seasonal changes.

The invention relates to an antimicrobial, which is characterized by comprising the following raw materials that: cloves, wild chrysanthemum flowers, dark plum, wormwood, swamp mahogany, frutus cnidii, radix salviae miltiorrhizae, purslane, Chinese violet, Chinese ixeris herb, herba commelinae, rhizoma coptidis, bletilla striata, honeysuckle, isatis root and sophora flavescens alkaloids. The invention also relates to a preparation method of the antimicrobial, which comprises steps such as pulverizing of raw materials, proportioning, alcohol extraction and mixing.

The invention provides a base based on a breeding method of red swamp crayfish. The base comprises a base body, base construction and a breeding technology; the base body comprises a field ridge, a water channel and a paddy field, the water channel is arranged on two sides of the field ridge, the paddy field is arranged in the water channel, the paddy field includes rice and aquatic plants, the water channel is about 31.5 m away from the field ridge, the width of an upper mouth of an annular groove is 4-6 m, the width of the lower mouth of the annular groove is 3-4 m, the depth of the annulargroove is 1.0-1.2 m, the width of the water channel is 0.5 m, the depth of the water channel is 0.6-0.8 m, the total area of the water channel is generally about 10% of the area of the paddy field, and the field ridge can be widened, heightened and strengthened to ensure that the height of the field ridge is as high as 1.2-1.5 m and the width is 2-3 m; the base construction includes site selectionof the paddy field and amelioration of the paddy field; and the breeding technology includes water quality cultivation, growth feeding, daily management, disease prevention and control and catching.The base based on the breeding method of the red swamp crayfish provided by the invention has reasonable design, and obtains an ideal effect of mutual benefits and double harvest of rice and the red swamp crayfish under the artificial management conditions; and the method of breeding the red swamp crayfish in the paddy field has the characteristics of lower costs and higher earnings.

The invention discloses an arrowhead cultivation method which comprises the following steps of waterlogged compost, wherein swamp mahogany, tea seed residue and peanut shells are ploughed under a plough layer of a breeding land as base fertilizers; seedling, wherein arrowheads are cultivated in the breeding land according to the planting distance of 5 centimeters * 5 centimeters at the early to middle of the March; transplanting, wherein the arrowheads are transplanted to a field from the breeding land at the early to middle of the June; field managing, wherein topdressing is carried out once on the arrowheads after the arrowheads are transplanted for 7-10 days, then topdressing is carried out once every half a month until the early to middle of the August, the final topdressing is carried out at the middle to late of the August, 50-60 kilograms of plant ash and 500-800 kilograms of farmyard manure are applied per mu; field water draining, wherein the water drainage is carried out after the middle of the November, and fruits can be dug out between the late of the November to the early to middle of the December. In the seedling land, the swamp mahogany, the tea seed residue and the peanut shells are ploughed as the base fertilizers and good in fertility, the swamp mahogany and the tea seed residue have a disinfection effect and can eliminate bacteria in the seedling land, growth of weak seedlings in the nursery stage can be guaranteed, the weak seedlings with diseases are prevented from being planted in the field, and causative agents are eliminated substantially.

The invention discloses a Chinese medicinal composition for treating Newcastle disease. The Chinese medicinal composition consists of the following Chinese medicinal herbs in parts by weight: 50 parts of astragalus, 50 parts of dangshen, 80 parts of cactus, 20 parts of Chinese goldthread, 20 parts of baikal skullcap root, 30 parts of isatis root, 30 parts of fructus gardeniae, 30 parts of creat, 30 parts of swamp mahogany, 30 parts of rhizoma anemarrhenae, 30 parts of moutan bark, 20 parts of balloon flower, 100 parts of raw fructus crataegi and 80 parts of radix aucklandiae. The Chinese medicinal composition has the advantages of easiness and convenience for taking, low price, readily available medicinal sources, quick response, good healing effect, no residue, no hazard and no sequela, and is an ideal medicament for treating Newcastle disease. The medicament for treating Newcastle disease of chicken has the effective rate 99 percent and the cure rate 96 percent.

The invention discloses an in-house production technology for hydroponic swamp cabbages, belonging to the field of a vegetable technology. The technology comprises the steps of directly seeding swamp cabbage seeds on the matrix surface of a square sponge after the swamp cabbage seeds are sprouted for 1 to 2 days, hydroponically culturing 2 to 3 true leaves with a nutrient solution in a water culture tank, and then seeding swamp cabbage seedlings covered by sponges into planting holes in a cystosepiment floating in the water culture tank, and then placing under a rear earth plant light source with the blue-red combination of 5:2 to culture for 35 days. The rear earth plant light source with the blue-red combination of 5:2 is best for the growth of the swamp cabbages. The in-house production technology provided by the invention has the advantages of simple operation, quick and healthy plant growth, energy saving, environmental protection and the like, thereby being applicable to the fields of the industrialized production of in-house rapid seedling, cultivation, sprouting of the swamp cabbages and the like.

A swamp cooler filter for filtering debris from fluid drawn from a fluid reservoir for a swamp cooler is provided. The swamp cooler filter includes a water intake hose being operationally coupled to a swamp cooler whereby the water intake hose is in fluid communication between a fluid reservoir and a pump of the swamp cooler. A filter member is selectively positioned in the water intake hose. The filter member is for filtering debris from the fluid being drawn from the fluid reservoir by the pump to inhibit the debris being pumped through the swamp cooler by the pump.

The invention relates to a diversity investigation and sampling method of a plant community of the wetland. The method comprises steps as follows: an investigation point is selected according to different wetland types in the following modes; belt transects and quadrats are set; investigation content is determined. According to the diversity investigation and sampling method of the plant communityof the wetland, targeted sample point selection, belt transect setting and quadrat setting methods are designed according to different types of wetland such as rivers, reservoir ponds, lakes, swamp and the like. The diversity data of plants can be obtained with the method, and the relation between the environment factor gradient and plant diversity can also be represented.

The invention discloses a method for repairing Cd contaminated soil by intercropping herbs and swamp cabbage. The method can repair Cd contaminated soil through intercropping agronomic measures. The method comprises: intercropping herbs and vegetables in Cd contaminated soil to be repaired, and carrying out normal cultivation management so that the Cd content in harvested vegetables and soil is reduced. The vegetables are swamp cabbages. The herbs are sorghum hybrid sudangrass, sudangrass, pennisetum, ryegrass, indian lettuce, chicory, amaranth, clover, alfalfa or astragalus sinicus. The invention provides the technical scheme for repairing Cd contaminated soil by agronomic measures of intercropping herbs in a swamp cabbage field. The intercropped herb has high biomass and a rapid growth rate, can enrich heavy metals such as Cd and can effectively reduce Cd content of the contaminated soil. The method can provide a basis for synchronous safe production and restoration in the Cd contaminated farmland. The method is environment-friendly and has obvious ecological, economic and social benefits.

The invention discloses a waxberry washing liquid. The waxberry washing liquid is prepared from the following components in parts by weight: 5-12 parts of swamp mahogany, 3-10 parts of the fruit of Rangoon creeper, 8-20 parts of ginger, 7-15 parts of eupatorium fortunei, 5-10 parts of orange peel, 10-18 parts of aloe, 1-10 parts of barberry, 5-12 parts of dalmatian chrysanthemum, 3-10 parts of sowthistle tasselflower herb, 20-50 parts of sodium chloride, 8-15 parts of alcohol and 1000-1500 parts of water. According to the waxberry washing liquid, as nine traditional Chinese medicine components of swamp mahogany, fruit of Rangoon creeper, ginger, eupatorium fortune, orange peel, aloe, barberry, dalmatian chrysanthemum, and sowthistle tasselflower herb which have the efficacies of sterilization and corrosion prevention are prepared into a medical solution, and then the medical solution, sodium chloride, the alcohol and the water are prepared into a washing liquid used for washing waxberries together, the waxberry washing liquid has a good washing effect, is environment-friendly without pollution, can be used for preserving the taste and the nutritional ingredients of the waxberries, is low in the cost, is simple and convenient to use and is beneficial to popularization.

The invention discloses a method for returning farmland to reconstruct deyeuxia angustifolia wetlands. The method includes the steps that 1, field preparation is carried out in mid-to-late July of thecurrent year, and a rotary cultivator is adopted for operation, wherein the ploughing depth is 10-20 cm; 2, 5-8 days before transplanting of deyeuxia angustifolia plants, the flattened abandoned farmland is irrigated with water, wherein the infiltration depth of soil is 5-10 cm; 3, deyeuxia angustifolia swamp meadow wetlands are adopted as the main parts, wherein the water content of the soil ofthis kind of wetlands is 70%, seasonal ponding to the earth's surface is achieved, the digging area of one sample block is 0.16-0.25 m<2>, the spacing between every two sample blocks is at least 1 m,the digging depth is 5-20 cm, and digging is carried out in mid-to-late August; 4, a sample cutting device is adopted for dividing the dug deyeuxia angustifolia sample blocks into multiple small blocks which are suitable for transplanting, wherein the area of each small block is 0.006-0.01 m<2>; 5, transplanting is carried out in early September, a manual insertion mode is adopted for planting, and the small deyeuxia angustifolia blocks cut in step 4 are planted into the soaked soil, wherein the transplanting depth is 5-15 cm; 6, the line spacing is set from 25 cm to 50 cm; 7, maintenance management in the later period is carried out and mainly includes periodic irrigation, and an alternate drying and wetting mode is adopted.

The invention relates to a swamp eel and loach deboning and killing machine, which belongs to the field of aquatic product processing machinery. The killing machine comprises a frame, a killing motor,a feed bin, and a killing deboning hobboing cutter; the feed bin is fixed at one end of the frame, the sliding rods are symmetrically arranged on the frame at the front end of the feed bin, and a conveying motor is fixed on the sliding rods through the symmetrically mounted mounting plates; conveying toothed discs are arranged on a transmission shaft of the conveying motor below the mounting plates; and a reserved gap is arranged between the conveying toothed discs. The killing machine has the characteristics of small size, convenient installation and commissioning, convenient use, high workefficiency, reliable work, low energy consumption, environmental protection and sanitation. The killing machine solves the problem that after killing the swamp eel and loach, deboning of the swamp eeland loach should be manually completed in the prior art. The single killing machine can kill 450-500 kilograms per hour, which is 30-40 times of artificial work efficiency. The killing machine can meet the requirements of households, restaurants, and the like, and can be produced into a processing line for the industrialization of swamp eel deep processing, which has broad market prospects.

The invention discloses a Chinese herbal feed additive for red swamp crayfish as well as a preparation method and application thereof. The feed additive contains a water extract liquid from whole flowers of perennial semi-evergreen twinning woody climbing plant honeysuckle of the Caprifoliaceae family and oligoxylose at a mass ratio of 150:1. The preparation method comprises the steps as follows:drying by adsorbing the water extract liquid of honeysuckle whole flowers with zeolite, wherein the weight ratio of water extract liquid of honeysuckle whole flowers to zeolit is 1:6.5; after drying,mixing the water extract liquid of honeysuckle whole flowers with oligoxylose at a ratio of 150:1; and mixing to obtain the feed additive. The application of the feed additive is as follows: the feedadditive is added to a red swamp crayfish feed at an additional amount of 1.5%. The Chinese herbal feed additive is low in cost and environment-friendly, can increase the utilization efficiency of nutrients in a formula feed for red swamp crayfish, and can promote growth and improve meat quality of red swamp crayfish. The preparation method can be applied to large-scale industrial production. Thefeed additive is a novel growth-promoting additive for red swamp crayfish formula feeds.

The invention relates to the technical field of plant culture, in particular to a layering culture substrate applicable to a living leaf vegetable sales mode. The substrate includes three layers: the lower layer is porcelain granules; the middle layer is a mixture obtained through sufficiently and uniformly mixing worm excretion substrates, rice chaff ash and bio-organic fertilizers; the upper layer is perlite. The substrate has the advantages that the total thickness of the substrate is only 3cm; a seedling disc, with the depth being 3.5cm, widely used for the sprouting vegetable production on the market at present can be used; the additional customization of the seedling disc is not needed; the weight is light, wherein the main reason of the light weight is that the volume weight of the upper layer perlite and the lower layer porcelain granules is very low; the volume weight of the whole substrate is effectively reduced; the transportation and the sales are convenient; the middle layer substrate contains sufficient mineral nutrition necessary for the vegetable growth; fast-growing leaf vegetables such as green vegetables, three-colored amaranth, swamp cabbage and lettuce can be enabled to grow for one month without additional fertilization; the surface of the substrate is clean; the substrate is suitable for appearing in occasions of dining tables and the like.

We propose unipolar magnetic particles as medicine carriers. The whole surface of each particle is monopolar, being either north or south. The particles repel each other and are repelled by same polar external magnet. Four or more magnets that are stereo located to apply the forces to a swamp of particles from all directions may, therefore, relocate the swamp, squeeze it, reshape it, and allow it to expand.