354 results about "Alternanthera" patented technology

The invention relates to a low-protein carp feed. The feed comprises wheat-middlings, wheat bran, rapeseed cake, soya bean meal, corn germ meal, alfalfa meal, spouting corn bran, fish meal, meat and bone meal, sesame seed meal, monocalcium phosphate, bentonite, soybean oil, lysine, methionine, choline chloride and a premix and is characterized in that: alternanthera philoxeroides, parthemum powder, garlic powder, pine needle meal and rhubarb powder are added into the feed. A processing method for the low-protein carp feed comprises the following steps of: smashing and / or grinding various components in the feed; adding various raw materials into a stirring machine for stirring; and packaging the stirred feed. The feed can enhance the immunity and disease resistance of low-protein carp, effectively lower the morbidities of enteritis, gill breaking, red skin disease and explosive bleeding disease of the low-protein carp, increase fry survival rate, promote growth and effectively lower the bait coefficient of the low-protein carp.

The invention discloses a method for controlling weeds in a tea garden, which comprises the following steps: first, plowing is carried out on the ground between tea plant rows in winter to remove root systems of the weeds such as nutgrass flatsedge, alligator alternanthera, greenbrier, chinaroot greenbrier, cogongrass, smartweed, lygodium and the like; a high-quality organic fertilizer is applied in spring: a certain amount of rape seed cake fertilizer is broadcast; the ground is covered with rice straws in spring: after the rape seed cake fertilizer is broadcast, all tea plant rows in the garden are immediately evenly covered with a certain amount of the rice straws; the high-quality organic fertilizer is applied in summer: a proper amount of the rape seed cake fertilizer is broadcast at a certain time; and the ground is covered with the rice straws in summer: after the rape seed cake fertilizer is broadcast, all tea plant rows are immediately evenly covered with a certain amount of the rice straws. The method enriches biodiversity of the tea garden, improves the ecological condition of the tea garden, increases tea yield, improves the quality of tea leaves; in addition, the method has the advantage of simple operation, is easy to be accepted by tea growers and has great popularization and application prospect.

The invention discloses a rice and chicken lobster continuous mixing planting and breeding method capable of stabilizing the grain income and increasing the fishery income. The method includes: digging circular furrows in a rice field, increasing the height and the width of ridges, reinforcing the ridges, and additionally arranging escape-proof facilities; transplanting Ceratophyllum demersum and Alternanthera philoxeroides in the circular furrows after water in the rice field is disinfected; transplanting Hydrilla verticillata, Potamogeton maackianus and Potamogeton wrightii in the rice field outside the circular furrows; performing a rice and chicken lobster continuous cultivation mode, breeding chicken lobsters from the last ten days of September or the first ten days of October to the first ten days of June of the secnd year after the rice is harvested; raising rice seedlings in a special field from May to the first ten days of June, and planting the rice from the middle ten days of June to the last ten days of September; using a ground cage to catch the chicken lobsters from May to the first ten days of June, and leaving a part of the chicken lobsters to be cultivated with the rice; putting parent chicken lobsters into the circular furrows of the rice field from the middle ten days of August to the first ten days of September; applying a fermentative organic fertilizer and putting Bellamya quadrata from the last ten days of February and the last ten days of May; putting Elodea nuttallii from March to June; feeding the chicken lobsters with a compound fodder at 18 p.m. to 19 p.m. every day; controlling the water level all through the year; controlling diseases of the chicken lobsters; catching the chicken lobsters; and planting the rice.

The invention discloses forage suitable for the growth of hybridized boars. The forage is made by the following raw materials by weight percentage: 40-50% of concentrated forage and 50-60% of green forage, wherein the concentrated forage consists of corn flour, rice bran, wheat bran, corn lug cakes, bean pulp and tofukasu; and the green forage consists of one or more of alligator alternanthera, grassiness, ramie leaves, ryegrass, grain tree leaves, sweet potato vines and leaves, kudzu roots, vines and leaves and mulberry leaves. The forage is good in palatability; active ingredients of the forage can be preserved effectively; immune functions of the hybridized boars can be improved; the consumption of the concentrated forage can be reduced; and the cost is saved. The hybridized boars fed by the forage are good in growth vigor and shining in hair; the characteristics of the original boar meat such as less fat, high nutrition value and rich venison are kept; and the boar meat is safe and reliable to eat, meets the requirements of people on green pork, and has greater competitiveness in the market. In addition, the forage is wide in raw material source and low in cost; and food can be saved.

The invention relates to a method for constructing a floating wetland. A floating carrier and plants grown in the floating carrier form a floating wetland unit, and a plurality of floating wetland units are spliced on the water surface and fixed to the water bottom through ropes and foot piles, thereby forming a floating wetland; each floating carrier is a wire mesh barrel without a cover, and floating balls are threaded on the edge of the barrel top; a cattail bag is spread on the bottom surface of each barrel, the floating plants (alligator alternanthera) are grown on the cattail bag layer, and herbaceous plant seeds are sowed in the wire mesh barrel, so that the seeds are included and mixed in the alligator alternanthera, thereby forming one floating wetland unit; and the floating wetland units are cultured in a fertile still water body, and the cultured floating wetland units can be pulled to the target water area through a waterway and spliced to form the floating wetland of required area. The invention can treat the polluted water body, and beautify the landscape of the water area.

The invention relates to the field of natural dyes, and specifically relates to a natural plant dye, a preparation method and application thereof. According to the invention, the natural plant dye is obtained by extracting vicious weeds serving as raw materials, wherein the vicious weeds are one or more in a group including chromolaena odorata, mikania cordata, water hyacinth, alternanthera philoxeroides, alternanthera pungens, spartina anglica s, ragweed, lantana camara, solanum aculeatissimum and lolium temulentum. The extraction method comprises the steps of grinding and extracting through water. The invention provides a novel scheme for utilizing exotic vicious weeds; the preparation of the natural plant dye by taking exotic invasive weeds as raw materials can protect environment and bring conomic benefits; residue produced during dye extraction can be burnt and combustion can provide a heat source for a dyeing process; and obtained ash can be used as mordanting assistants for dyeing with no storage or treatment so as to really achieve environmental protection.

The invention discloses a traditional Chinese medicine compound feed for egg producing duck in egg producing period and a preparation method thereof. The feed mainly comprises the following raw materials: 40-50 parts of corn, 5-7 parts of broken rice, 9-11 parts of Alternanthera philoxeroides, 4-6 parts of wild amaranth, 2-4 parts of Kyllinga brevifolia, 1-2 parts of Hericium erinaceus, 2-4 parts of polypeptide biological blood meal, 1-3 parts of forsythia flower, 0.8-1.2 parts of spirulina, 2-4 parts of green tea mustard, 15-25 parts of red dates, 12-15 parts of shrimp shell, 1-3 parts of distiller's grains, 2-4 parts of Chinese redbud, 5-7 parts of Petasites tatewakianus Kitam, 4-6 parts of bamboo charcoal, 3-5 parts of locust tree leaves, 1-3 parts of Boehmeria nivea, 2-3 parts of Polygonum chinense toothed burclover, 0.8-1.2 parts of Paederia scandens, 25-30 parts of Nephrolepis biserrata bean and 2-4 parts of luffa vine. The compound feed provided by the invention can maintain normal life activities of egg producing ducks, enhance immunity, disease resistance and stress resistance, prevent nutritional deficiency, reduce feed consumption, and improve the egg producing rate; at the same time, Boehmeria nivea, Polygonum chinense toothed burclover and Paederia scandens have detoxifying effect; and the spirulina and green tea mustard have obvious yield-increasing effect.

The invention discloses a method for removing lead in polluted water by using aquatic plant biochar. According to the method, the biochar is prepared by using aquatic plant, namely herb of alligator alternanthera or water hyacinth as raw material, and then 1-20g / L of the biochar is fed into lead polluted water, thus adsorbing and removing lead. The biochar prepared by the method has rich resource, the preparation method is simple and convenient, the lead in the water can be removed efficiently, and therefore the method has high economic, social and ecological benefits.

The invention relates to a method for preparing water-retention fertilizer from aquatic plants, comprising the followings steps: using aquatic plants of water hyacinth, Potamogeton crispus L, and alternanthera philoxeroides as raw materials, using haloacetic acid and potassium salt thereof or carbon disulfide in alkaline solution containing potassium ion as chemical modifier, and using FeCl3 or AlCl3 as cross-linking agent so as to obtain aquatic plant fiber with water absorption and water retention property. In the invention, a large amount of aquatic plant fiber generated by ecosystem restoration of water and pollution prevention engineering is used so as to ensure long time operation of ecosystem restoration engineering. The water-retention fertilizer prepared by the invention can regulate water in soil, supply potassium fertilizer and nitrogen fertilizer in soil after applying since containing the potassium ion, ammonia water, and urea. The natural aquatic plant fiber is used as basis material to prepare water-retention fertilizer which can be completely biodegraded, can improve soil structure and can prevent hardening of tilled land.

The invention discloses efficient organic fertilizer and a preparation method thereof. The efficient organic fertilizer comprises, by weight, 15-22 parts of mushroom dreg, 8-13 parts of brewer's grains, 18-20 parts of riverway sludge, 5-7 parts of ardealite, 22-25 parts of alternanthera philoxeroides, 20-23 parts of pueraria phaseoloides, 18-20 parts of azolla, 18-20 parts of enteromorpha, 18-20 parts of seaweed, 20-28 parts of biogas residues, 26-30 parts of silkworm feces, 28-33 parts of sheep manure, 30-32 parts of overdue milk, 5-8 parts of milk powder and 40-60 parts of peat. The organic fertilizer has the advantages of improving soil properties, improving soil fertility and increasing crop output.

The invention discloses a Chinese herb adding feed for promoting lactation of sows and a preparation method thereof. The feed is prepared from the following raw materials in parts by weight: 30-40 parts of maize, 20-30 parts of barley, 10-15 parts of wheat bran, 5-10 parts of cottonseed meal, 4-6 parts of fish meal, 2-3 parts of soya bean meal, 1-1.5 parts of bone meal, 0.1-0.2 part of Huafen enzyme, 0.4-0.5 part of table salt, 8-12 parts of alternanthera philoxeroides, 2-4 parts of sweet potato vine, 3-6 parts of Poplar bark, 1-3 parts of pumpkin seed, 2-3 parts of lactagogue vine, 2-3 parts of sunflower disk, 5-10 parts of attapulgite and 3-6 parts of waste molasses. According to the invention, the natural Chinese herb is used as a feed additive to be mixed with other nutritional ingredients such as attapulgite, and is used for feeding the sow, the Chinese herb not only an provide various nutrients needed for healthy growth of the sow and increase the palatability of the feed and improve the use ratio of the feed, but also can obviously promote the lactation capacity of the sow and improve the feed intake of the lactating sows.

The invention belongs to wetland purification technology for wastewater and relates to a method for efficiently purifying heavy metal polluted wastewater by combining wetland plants. Six wetland plants are cultured in an artificial wetland, namely Echinochiloa crus-galli, Alternanthera philoxeroides, Zizania latifolia, Monochoria vaginalis, Iachne globosa and Polygonum hydropiper according to a culture ratio of 1:2:1:3:2:3. The purification rate for six main heavy metal pollution elements (Cd, Pb, Zn, Cu, Cr and Ni) in the wastewater is over 92 percent.

The invention discloses a natural plant type formaldehyde scavenging agent and a preparation method thereof. The natural plant type formaldehyde scavenging agent is prepared from the following raw materials in parts by mass: 15 parts of folium artemisiae argyi, 13 parts of honeysuckle flower, 10 parts of radix isatidis, 15 parts of alternanthera philoxeroides, 7 parts of jasmine flower, 8 parts of herba houttuyniae, 5 parts of flos chrysanthemi, 8 parts of tangerine peel, 15 parts of aloe, 6 parts of herba taraxaci, 6 parts of folium isatidis, 8 parts of citrus medica and 8 parts of herba menthae. The natural plant type formaldehyde scavenging agent and the preparation method thereof, provided by the invention, have the advantages of simple production process and low manufacturing cost; the raw materials for producing a green air purifying agent are natural plants, so that the natural plant type formaldehyde scavenging agent is green and toxin-free, environment-friendly and easy to degrade, has no irritation on human bodies, and can be used for disinfecting indoor places and removing harmful gas including formaldehyde, xylol and the like in the air.

The invention relates to a method for cultivating large-size eel fries. The method is characterized in that cultivation net cages are arranged in rows in a pond, and the spacing between every two net cages in each row is 1-1.5m; the throwing density of the eel fries is 4000-5000 pcs / m<2>, and thrown feed is animal live baits, namely tubificidae; in the first one month of a cultivation stage, the feed quantity for every ten thousands of young eels is gradually increased from 500g to 2000g, and the eels are fed three times each day; after the eels are cultivated for one month, the daily feed quantity accounts for 8-10% of the weight of each ell fry, and the eels are fed once each day, and the feeding is stopped when water temperature is lower than 12 DEG C in the middle ten days of November each year; and during the cultivation period, attention is obliged to be paid to the complete condition of the net cages, grading feeding is performed timely according to the size of individual eels, and alternanthera philoxeroides is used to cover the inside of the cultivation net cages in a wintering period. According to the method disclosed by the invention, the cultivation survival rate of the eel fries can be increased to 80-90%; and after ten months of cultivation, the individual size of eels reaches 8-10g in average, and a large scale of high-quality large-size eel fries can be provided for scale cultivation of the eels.

The invention belongs to the field of aquaculture, and in particular relates to a building method of a ricefield eel ecological culture pond. The method comprises the following steps of: digging a earth pond, spreading impermeable membranes on the walls and the bottom of the pond; arranging a draining pipe in the pond and placing a ricefield eel culture net box; putting willow branches, fresh polygonum hydropipers and alternanthera philoxeroides in the net box; putting ampullaria gigas and water spinaches into vacant places between the net box and the inner walls of the pond; and adding culture water to build the ricefield eel ecological culture pond. The ricefield eel ecological culture pond has the characteristics of low building cost and long service life, escape prevention of ricefield eels, reasonable water level control, effective regulation of water quality, prevention of ricefield eel disease and insect pests, convenient management, improvement of the overall performance of the ricefield eel culture, and the like.

The invention discloses a high-quality green pleurotus ostreatus medium, belongs to a cultivation technology field of edible fungus. The medium is made of following materials in part by weight: 50-80 parts of corn cobs, 10-20 parts of wheat bran, 10-20 parts of rapeseed cakes, 5-10 parts of urea, 10-15 parts of ramulusmori, 10-15 parts of perilla straws, 12-18 parts of Alligator Alternanthera, 6-12 parts of root of kudzu vine herb residue, 6-12 parts of licorice herb residue, 6-12 parts of grape pomace, 0.8-1.2 parts of pulverized limes, and0.2-0.5 parts of white sugar. In the invention waste materialsuch as vinasse, herb residue, plant straws etc. substitutes for insufficient materials, can meet the nutrition requirement of pleurotus ostreatus mycelia growth and sporophore development, obviously promote crude fiber and polysaccharide contents of pleurotus ostreatus sporophore; iron and zinc content in the mineral element are obviously promoted. The medium has advantages of quick growth for the pleurotus ostreatus, large inoculation numbers, and convenience for inoculation; the biological efficiency of cultivated pleurotus ostreatus reaches 126.5%; the pleurotus ostreatus has rich nutrients and high nutritious value.

The invention discloses an agasicles hygrophila experimental population raising method. The agasicles hygrophila experimental population raising method includes steps that filter paper with the size equal to that of a bottle bottom is placed in an insect breeding bottle I, and is wetted, and 20-30 adult insects which are just subjected to the eclosion are placed in the insect breeding bottle I and are fed by three fresh alternanthera philoxeroides; alternanthera philoxeroides leaves with egg masses in the insect breeding bottle I are placed in insect breeding bottles II, each insert breeding bottle II holds ten alternanthera philoxeroides leaves, and then the insect breeding bottles II are placed in an artificial incubator; fresh alternanthera philoxeroides is placed in the incubator on the first day of incubation, and the alternanthera philoxeroides is continuously replaced by other fresh alternanthera philoxeroides until larvas are matured; and when about to pupate, the agasicles hygrophila matured larvas are transferred into pupating devices, each pupating device contains 100 matured larvas, the matured larvas enter straws of alternanthera philoxeroides to pupate, and pupating rate can reach 80% to 95%. The agasicles hygrophila experimental population raising method is simple in artificial raising, easy to control, small in occupied space and low in cost, and can be used for raising a controllable quantity of neat and consistent agasicles hygrophila with different insect development stages and different insect ages according to different experimental needs.

The invention relates to the technical field of livestock breeding and in particular relates to a green pork pig feed capable of increasing the lean meat percentage. The feed is prepared from the following raw materials in parts by weight: 10-12 parts of barley malt, 65-70 parts of corn, 12-15 parts of coarse rice powder, 10-12 parts of dried distillers' grains, 10-12 parts of cooked sweet potatoes, 8-12 parts of dried green bean shells, 5-8 parts of dried corn stigmas, 10-12 parts of tomato seed pulp, 12-15 parts of bean pulp, 8-12 parts of carrot residues, 2-3 parts of fresh small carps, 6-8 parts of wax gourd peels, 2-3 parts of meat and bone meal, 2-3 parts of stachyose, 6-8 parts of alligator alternanthera, 8 parts of silphium perfoliatum, a proper quantity of salt and 4-5 parts of a phagostimulant. According to the feed, the raw materials such as the dried corn stigmas, the carrot residues, the alligator alternanthera and the silphium perfoliatum are added, so that the palatability of the feed is improved, the body weight of pig groups is effectively controlled, the overweight of the pig groups is avoided, the lean meat percentage of the fed pig groups is increased, the ketone body fat rate is reduced, and the pork edible value is high; all the raw materials are pure natural green, and the drug residue problem is avoided.

The invention discloses a method for restoring wet land and mud-flat soil polluted by high-concentration cesium. The method comprises the steps of transplanting 100 sections of subterraneous stems and roots of alternanthera philoxeroides for each square meter of wet land and mud-flat soil polluted, and keeping more than 80% of water holding capacity in soil fields; harvesting and intensively processing overground parts of the plants when the main stems are about 50cm; in harvesting, reserving 1-2 sections of stubbles so as to be beneficial to regeneration, and harvesting and intensively processing the plants again when the main stems of the seedlings are about 50cm; harvesting the plants for three times in one year, and harvesting for a plurality of years; and applying a compound fertilizer additionally in 15-20 days after the seedlings are transplanted or harvested. According to the method, the operation is simple, the management is convenient, the cost is low, and the restoring effect is good.

The invention relates to the technical field of breeding of rice field eels, in particular to a high-efficiency ecological three-dimensional breeding technology. The high-efficiency ecological three-dimensional breeding technology mainly comprises a set of complete ecological three-dimensional breeding mode for the rice field eels. The technology comprises contents such as site selection, net cage arrangement, aquatic plant planting and matching of fish species, wherein the matching of fish species is the core; a pool of about 10 mu is selected; micro-pores are arranged for oxygenation; knotless polythene net sheets are adopted by net cages; the area of each net cage is 6 m<2>, the depth is 1 m, and the depth of the part of the net cage immersed in the water is 0.5 m; the net cages are fixed by using brackets and are arranged in a straight line at an interval of 1 m and a row spacing of 2 m; the total area of the net cages does not exceed 50 percent of the total area; alternanthera philoxeroides are planted in 50-60 percent of the area of the net cages; after water is sterilized for 15 days, 5,000 pseudobagrus fulvidracos, each of which has the weight of 10 g, 1,000-2,000 loaches, each of which has the weight of 3-5 g, 100-500 silver carps, each of which has the weight of 100-500 g and 50-200 spotted silver carps, each of which has the weight of 50-500 g are bred per mu; 2 kg / m<2> of eels, each of which has the weight of 20-50 g, 5 loaches / m<2> and 1-2 toads, each of which has the weight of 10-100 g are bred in each cage; the eels seeds are soaked with 2 percent salt solution for 10-20 minutes before being put in the cages so as to prevent the occurrence of saprolegniasis.

The invention belongs to the technical field of feeds, and particularly relates to a goat feed. The goat feed comprises the following raw materials of corn, soybean meal, rice bran, wheat bran, corn straw, phoenix tree leaves, peanut stems, alfalfa, astragalus sinicus, ginkgo leaves, gypsum, bhizoma acori calami, alternanthera philoxeroides, Canna edulis Ker Gawl., zinc methionine, a copper compound amino acid complex, chitosan oligosaccharide, birchleaf pear flowers, roots of vetchleaf sophora, radix astragali, haws, cactus, cloves, cinnamon, fructus forsythiae, Chinese prickly ash, lotus leaves, glossy privet fruits, semen cuscutae and composite microorganisms. The feed is prepared by a composite microbial fermentation method. According to the feed, the growth rate of goats is increased,and the environmental pollution is reduced.

The invention belongs to the technical field of pesticides and discloses a cyhalofop-butyl pyriminobac-methyl penoxsulam oil flowable concentrate. Active components of the oil flowable concentrate are cyhalofop-butyl, pyriminobac-methyl and penoxsulam; the oil flowable concentrate comprises, by mass, 5 to 30% of cyhalofop-butyl, 1 to 10% of pyriminobac-methyl, 1 to 10% of penoxsulam, 1 to 15% of an emulsifier, 1 to 10% of a wetting dispersant, 0.1 to 5% of a suspension stabilizing agent, 0 to 5% of an antifreezing agent and 0.1 to 0.2% of a defoaming agent, with the balance being an oil base. The invention further discloses application of the oil flowable concentrate in prevention and killing of Alternanthera philoxeroides, Sagittaria pygmaea and barnyard grass in a paddy field. The oil flowable concentrate has a substantial synergistic effect, can substantially improve prevention and treatment effects on weeds, broadens a weed control spectrum, delays resistance of weeds, decreases an application amount, reduces application cost and has excellent spreading permeability, anti-shifting performance and anti-rainwash performance and high safety to crops.

The invention relates to an ecological comprehensive treating method for water subjected to eutrophication and heavy metal pollution. In order to overcome the low efficiency of the prior art, the ecological comprehensive treating method for water subjected to eutrophication and heavy metal pollution is characterized in that the water hyacinth on the wide-stem water surface is cut by a high-speed wire rope type root leaf separating cutter at a feeding port, the stem leaves and roots after cutting are collected and gathered by a side wall of the trumpet type feeding port and a thick layer is formed, and the stem leaves and roots are collected by a root chain bar type conveying net and a stem leaf chain bar type conveying net, so that the efficiency is high. 2) A special airing device is adopted for airing and dewatering the floating plants, 60-70% of water is accurately removed and the dry matter mass and nutrition of the floating plants are increased. The ecological comprehensive treating method provided by the invention is suitable for performing eutrophication and heavy metal pollution treatment on the closed water areas, such as inland lakes and ponds, or the opening water areas, such as rivers and water channels, subjected to water hyacinth and alternanthera philoxeroides invasion. The ecological comprehensive treating method provided by the invention is a powerful weapon for treating water pollution and turning waste into wealth.

The invention discloses a spicy and hot beef sauce in red chilli oil and a processing method thereof. The spicy and hot beef sauce is prepared from following raw materials including: celery, mulberry leaves, beef, germinated brown rice, pu'er tea powder, cassava starch, litsea, vernonia cinerea, polygonum lapathifolium, flowers of panax notoginseng, Alternanthera philoxeroides, herb of gold stargrass, greenish lily seeds, pepper powder, chilli powder, the red chilli oil, a proper amount of coix seed oil, salt, soybean paste, and nutritional additives. The spicy and hot beef sauce in the red chilli oil is thick and mellow in sauce fragrance, is spicy and hot in taste, is smooth and fine in mouthfeel, can be used for being eaten together with rice or bread and flavoring and color adjusting, is rich in vitamins, microelements, dietary fibers, amino acids and the like, is rich and balanced in nutrition, is added with various traditional Chinese medicine health-caring components, has effects of clearing heat and cooling blood, diminishing inflammation and removing toxin, and bacterial proofing, and is beneficial to human health.

The invention discloses a fertilizer special for selenium-rich and chromium-rich dark green wax gourds. The fertilizer is prepared from alternanthera philoxeroides green manure, ammonium carbonate, calcium superphosphate, potassium chloride, a microbial growth regulator, tea seed cake manure, decomposed cow dung, coal ash, carbendazim, an urease inhibitor, octyl mercaptan, sodium borate, kudzu vine powder, organophosphorus bacterium manure, borax, thiram wettable powder, organic microelements, biomass ash, chromium trichloride and inorganic selenium salt. The organic microelements comprise a tartaric acid complex, a saccharose complex and a humic acid complex. The fertilizer special for the selenium-rich and chromium-rich dark green wax gourds has the advantages that the yield of the wax gourds is high, the disease resistance of plants is high, and the fertilizer is suitable for being applied in a large area; besides, the obtained wax gourds are big, heavy and good in quality; the selenium-rich and chromium-rich dark green wax gourds contain selenium and chromium necessary for the human body and animals and are high in nutritive value and good for health.

The invention belongs to the technical field of clearing of harmful aquatic plants and particularly relates to a ship for clearing alternanthera philoxeroides in a complex water area. The ship comprises a ship body, driving wheels, a support, a conveying pipe, a centrifugal pump, direction adjusting units, a cutting module and a collecting unit; the driving wheels are arranged on the two sides ofthe ship body; the support is arranged on the front portion of the ship body; the conveying pipe is fixedly connected to the upper end of the support; the centrifugal pump is arranged at the upper endof the conveying pipe; the direction adjusting units are arranged in the middle of the conveying pipe and each comprise an elastic rubber sheet, an air cylinder, a universal joint, a telescopic rod and a damping spring; the cutting module is arranged at one end of the conveying pipe and comprises a shell, a rotating shaft, a waterproof motor, a rolling shaft and a cutting piece; angular transformation of the cutting module can be achieved through the direction adjusting units; the collecting unit is arranged at the other end of the conveying pipe; and the centrifugal pump conveys the alternanthera philoxeroides crushed by the cutting module to the collecting unit for storage. The ship is suitable for clearing work of the alternanthera philoxeroides in the complex water area, the structureis simple, and the working efficiency is high.

The invention discloses an organic fertilizer for preventing and controlling root-knot nematodes and a preparation method of the organic fertilizer. The organic fertilizer comprises the following raw materials by weight parts: 30-35 parts of bovine urine, 23-28 parts of peanut cake powder, 4-5 parts of a seaweed extract, 2-3 parts of salicylic acid, 5-7 parts of sodium hexametaphosphate, 2-3 parts of potassium iodate, 18-20 parts of shell powder, 1-2 parts of sodium bicarbonate, 1.0-1.2 parts of sodium chloride, 4-6 parts of calcium phenylpropionate, 10-12 parts of calcium carbonate, 3-4 parts of lanthanum oxide, 2-4 parts of sodium citrate, 1.5-1.7 parts of sodium dodecyl benzene sulfonate, 20-22 parts of a soil fertility enhancer, 0.7-0.9 part of dimethyl sulfoxide, 0.3-0.5 part of compound amino acid, 5-7 parts of hawthorn powder, 10-12 parts of pumpkin flesh, 7-9 parts of alligator alternanthera and 13-15 parts of luffa stems. The organic fertilizer has the effects of promoting growth, improving soil, improving the quality of agricultural products and preventing and controlling the root-knot nematodes of various plants; the killing rate of second-instar larvae is more than 80%; a chemical preparation is not added, so that the soil and crops are pollution-free, residue-free and non-drug-resistant; the raw materials are rich, the production cost is low, and the process is simple.

The invention discloses an overwintering breeding method for an aphidius gifuensis population. The method comprises the following steps that 1, host plant breeding; 2, aphid inoculation; 3, aphid breeding; 4, aphidius gifuensis inoculation; 5, aphidius gifuensis breeding; 6 reproduction expanding. In a greenhouse with controllable environment conditions, alligator alternanthera herbs are planted, aphidius gifuensis is bred for overwintering, the characteristic that the aphidius gifuensis survives and propagates easily is fully utilized, it can be ensured that the aphidius gifuensis is supplied on a large scale all year round, the aphidius gifuensis can be produced and bred continuously and circularly by means of the technology, the defects that it is difficult to preserve the aphidius gifuensis in an overwintering mode by means of the aphidius gifuensis breeding technology, the requirement for loose keeping in a tobacco field next year can not be met are overcome, and the industrialization development target of the biological prevention and control technology from laboratories to field application and popularization is achieved.

Thee invention relates to the field of biological control, in particular to an artificial mass raising method for agasicles hygrophila. The non-winter artificial mass raising method for the agasicles hygrophila includes the following steps: (1) alternanthera philoxeroides is grown in a greenhouse; (2) when the alternanthera philoxeroides plants are as high as 15cm to 20cm and the stem diameter reaches more than 2.6cm, the agasicles hygrophila is evenly released into the greenhouse according to the density of 10 to 20 adults per square meter; (3) spray irrigation is carried out for one to two times each day, 15 to 20 minutes each time; (4) every 5 to 7 days, the density of the agasicles hygrophila in the greenhouse is surveyed, and dynamic population monitoring is carried out; (5) after the agasicles hygrophila is released for 40 to 60 days, when the number of the adults is notably increased, the adults are collected and stored. The artificial mass raising technique for the agasicles hygrophila is simple, and is easy to master, the raising cost is low, and after being released into the field to control the alternanthera philoxeroides, the agasicles hygrophila can bring enormous economic, social and ecological benefits.

The invention discloses the use of 2- acetyl-3, 4- dihydroxy-5- methoxyphenyl acetate in the inhibition of Alternanthera philoxeroides growth, this natural compound has strong pathogenic action to Alternanthera philoxeroides, thus can be developed into natural microbial herbicide.