58 results about "Myriophyllum verticillatum" patented technology

The invention discloses a non-point source pollution abatement method for riverside wetlands. The method comprises the following steps: A, selecting a riverside source which takes planting and breeding industries as pollutant sources and is smooth in water current as a pollution abatement area; B, arranging fences in the riverside pollution abatement area, setting a pollutant concentrated input area as a matrix absorptive area, and setting the other parts of a riverway as aquatic plant absorptive areas, wherein the fences are made of bamboo and wood or concrete.; C, putting straws in the matrix absorptive area, wherein the putting amount is 20-25 kg/m<2>; planting myriophyllum aquaticum in the aquatic plant absorptive areas, wherein the canopy density reaches 20-30%; and D, managing a riverside wetland system, namely, after running 4-5 months, complementing straws with a putting amount of 15-20 kg/m<2> for the matrix absorptive area, harvesting the myriophyllum aquaticum at an interval of 1-2 months, and timely repairing the damaged fences. The method disclosed by the invention is low in construction and running costs, simple to operate, and easily accepted by grass-roots departments of towns and villages and the like, and has an excellent treatment effect on nitrogen, phosphorus and chemical oxygen demands in riverside sewage, therefore, the method has a good popularization and application prospect for subtropical plain river network regions of China.

The invention discloses a water body purifying landscape floating wetland construction system and a construction method thereof. The system, especially the water body purifying landscape floating wetland construction system based on evergreen myriophyllum verticillatum and chingii var. glaucifolius, is composed of a frame-floating body integrated system, a growth matrix system and a water plant group. The method comprises the construction of a floating wetland unit and construction of a floating wetland. The construction system and the construction method have the beneficial effect that 1)easy denaturation and breaking of hard frame due to outside force can be solved, poor water body landscape due direct exposed floating body material to and easy secondary pollution can be solved simultaneously; 2)a growth matrix system can be used for synchronously solving difficult problems of nutrition scarcity for plant material growth plant and dirty stress of plant root during a water body restoration process of the plant material can be sovled; and 3)the difficult problems of chlorosis of the plant material in winter and spring, less biomass, low dirt accepting capability, low reoxygenation efficiency of the water body and poor ornamental value in winter and spring can be solved by a novel plant material restoration method.

The invention discloses a method for cage cultivation of myriophyllum spicatum and belongs to the fields of water environmental protection and water ecological reconstruction. The myriophyllum spicatum is planted in a suspension cage and light requirements in water can be met through adjustment of suspension depth. The suspension cage comprises floating bodies and a cage which are connected through ropes. The method includes the steps: arranging the suspension cage in a water body with water depth exceeding 1.5 meters; inoculating the myriophyllum spicatum starting from March each year; breeding plagiognathops microlepis or silver todarades in the cage; monthly measuring change of water transparency from April to October each year and adjusting the suspension depth according to the water transparency; harvesting the myriophyllum spicatum during October and November each year. By the method, the myriophyllum spicatum can fixedly grow on a bottom substrate of the cage, the myriophyllum spicatum can be prevented from being chewed and eaten by herbivorous fishes, infringement of stormy waves upon plants can be resisted, and an introducing problem of the myriophyllum spicatum is solved.

The invention relates to a myriophyllum aquaticum tissue culture and a rapid propagation method thereof. The method comprises the following steps: A) selecting an explant, namely selecting a plant stem with robust growth, bright green color and no plant diseases or insect pests as the explant; B) sterilzing the explant, namely performing treatment on the explant with alcohol and mercury chloride; C) performing bud induction, namely selecting optimal hormone mixture ratio to induce bud growth; D) performing proliferation culture, namely adjusting the hormone mixture ratio and the concentration of a culture medium to perform proliferation culture; E) rooting, namely selecting an appropriate cell auxin to perform rooting induction; and F) hardening and transplanting, namely opening a bottle mouth in a culture box, culturing for two days and then transferring into a natural water body for culture. The technology can not subject to seasonal and environmental restrictions, and a large number of sterile seedlings can be cultured for restoring an aquatic ecosystem.

The invention discloses an in situ remediation method for improving black and odorous river sediment by combining submerged plants and improving agents. The method includes the following steps: putting a sediment improving agent in the sediment of a river, and planting submerged plants in the sediment on the 0th - 20th day when the sediment improving agent is put, wherein 1.5-2 kg of the sedimentimproving agent can be put into the sediment per square meter, and the submerged plants are one or more of potamogeton crispus, ceratophyllum demersum and myriophyllum verticillatum; harvesting the submerged plants when the heights of the submerged plants arrive the water surface of the river so that the tops of the submerged plants can be located 25-35 cm below the water surface; and repeating the step 3 until the color of the sediment is changed from dark brown to brown-yellow. The method combines a chemical remediation technology and a bioremediation technology, so that the deficiency of the chemical remediation technology and the bioremediation technology can be made up by integrating the advantages of the two. Black and odorous rivers can rapidly improve the oxygen environments of thesediment by adding the sediment improving agent, so that favorable conditions can be created for the planting of the submerged plants.

The invention discloses a method for repairing heavy metal pollution in culture pond bottom mud. According to the method, nano ferric dioxide is adopted as a passivator for passivating and immobilizing biological effective state heavy metals, and heavy metals in pond sides and water area bottom mud are enriched by using artemisia selengensis and myriophyllum verticillatum. Therefore, potential risks of heavy metals in bottom mud can be reduced, diffusion of heavy metals in the bottom mud into water bodies and aquatic organisms can be reduced, and in addition, the risk that the heavy metals aretaken into human bodies from food chains can be reduced. The method has the advantages of being remarkable in effect, simple and convenient in operation, economic and environmentally friendly, and the like, in heavy metal repairing.

The invention discloses a method for in-situ removal of polycyclic aromatic hydrocarbons in river water system sediments, which is to put ultrasonic adsorption combined equipment in the river water system sediments containing PAHs, and then stock benthic animals in the treated area. Activate the activity of microorganisms in the sediment, and then plant the submerged plant foxtail algae and/or plant ryegrass in shallow water in the treated area, through the combination of physical, chemical and biological methods, in situ without changing the river On the basis of the natural ecological environment of the water system, PAHs in the river sediments are removed, and at the same time, the activity of aquatic organisms and aquatic plants in the watershed is improved, and the water system is purified; it can be used without moving sediments, without additional construction of treatment sites, and basically without damaging the water body Under the natural environment of sediments, the reduction and elimination of pollutants can be realized in situ, and the operation is simple and the operation cost is low.

The invention discloses a lactic acid bacteria microbial inoculant applicable to myriophyllum quaticum silage, and a preparation method and application of the lactic acid bacteria microbial inoculant.The lactic acid bacteria microbial inoculant is prepared from lactic acid bacteria and myriophyllum quaticum juice, wherein the content of lactic acid bacteria in the lactic acid bacteria microbial inoculant is 1.7*10<7>-8.4*10<7>CFU/g, and the lactic acid bacteria are selected from a group comprising lactococcus lactis, lactobacillus plantarum and a composite microbial inoculant obtained by mixing lactococcus lactis and lactobacillus plantarum. According to the preparation method, the lactic acid bacteria are cultured and domesticated by utilizing juice of myriophyllum quaticum, and the lactic acid bacteria microbial inoculant is used for fermenting the myriophyllum quaticum silage so as to prepare the myriophyllum quaticum silage. By adopting the lactic acid bacteria microbial inoculant, the pH value, the content of butyric acid and the content of neutral detergent fibers of the myriophyllum quaticum silage can be reduced, while the content of crude proteins and the content of generated lactic acid are increased, so that the fermentation quality and nutritional value of the myriophyllum quaticum silage can be improved, and data reference is provided to resource utilization of the myriophyllum quaticum and popularization and application of the myriophyllum quaticum in culture production.

The invention discloses myriophyllum elatinoides feed for ducks and a preparation method thereof. The myriophyllum elatinoides feed is made of myriophyllum elatinoides powder, bean pulp, corn, premix, rock flour, rapeseed meal, cottonseed meal, calcium bicarbonate, methionine, lysine and an appropriate amount of water. The method comprises a step A of using a silage hay cutter to cut fresh myriophyllum elatinoides, and placing the fresh myriophyllum elatinoides under the sun for natural airing; a step B of conventionally grinding dried myriophyllum elatinoides into powder; a step C of weighing the bean pulp, the corn, the myriophyllum elatinoides powder and the premix according to the weight percentage of the feed, adding the materials into a mixer, and mixing the materials; a step D of sequentially adding the rock flour, the salt, the cottonseed meal, the rapeseed meal, methionine and lysine to perform stirring continuously; a step E of placing the materials in a dryer, and drying the materials at 64-66 DEG C and then pressing the materials to obtain granules. The formula is reasonable, the myriophyllum elatinoides feed is convenient to use, growth performance and duck meat quality of the ducks are improved, the cost is low, the poultry product quality is good, and the myriophyllum elatinoides feed has good economic benefits and is favorable for agricultural ecological environment protection.

The invention relates to the technical field of fish feed crushing and feeding, in particular to a myriophyllum spicatum feed crushing and feeding device for fish culture. In order to solve the problems that a feeding machine in the prior art does not have a feed crushing function and is not applicable to crushing of green feed, and material stirring is uneven, the myriophyllum spicatum feed crushing and feeding device for fish culture is provided and comprises a forming device, and the top of the forming device is fixedly connected with a first motor and a second motor. A crushing device anda cutting device are arranged above a box body, the defect that in existing design, a crusher needs to be arranged separately, and consequently the using process of the device is complicated is overcome, granular raw materials are crushed through a set of crushing wheel shafts, the green feed such as myriophyllum spicatum can be fully crushed through a cutting wheel shaft before being fed, raw materials with different characters are crushed separately, and thus the crushing effect on the materials can be effectively improved.

The invention relates to a glycosidase-containing sea cucumber feed. The feed comprises, by weight, 10 parts of Selaginella doederleinii powder, 10 parts of sweet potato leaf powder, 8 parts of Enteromorpha prolifera powder, 8 parts of Myriophyllum verticillatum powder, 15 parts of Sargassum thunbergii powder, 6 parts of Ulva pertusa powder, 15 parts of soybean meal, 10 parts of glycosidase, 25 parts of pork intestine powder, 20 parts of mussel shell powder, 1.5 parts of a vitamin mixture and 1.5 parts of an inorganic salt mixture. The feed has the advantages of balanced and abundant nutrition, acceleration of the growth of sea cucumber, and improvement of the nutrition values of the sea cucumber.

The invention discloses a water ecological restoration system and method for a shallow water area. The water ecological restoration method comprises the following steps: defining a water and land boundary within a water depth range of 0-0.5 m as a planting area; the planting area comprises an emergent aquatic plant or hygrophyte system which is planted along one side of the land and has small plants, and a submerged plant system which is planted along one side of the water area. The small emergent aquatic plant or hygrophyte system planted along one side of the land comprises one or more of myriophyllum elatinoides, hydrocotyle verticillata, cress, alternanthera philoxeroides, polygonum hydropiper, ottelia alismoides, rhizoma alismatis, leersia hexandra and aponogeton lanokenensis; and the submerged plant system planted along one side of the water area comprises one or more of ponceai, marina, marina and nutria. The defect that in general water ecological restoration, the shallow water area is prone to alopecia areata can be overcome, the water quality of the shallow water area can be purified, the coverage degree of aquatic plants in the shallow water area is remarkably improved, and the shallow water area underwater grassland is formed.

The invention discloses a plant method for long-acting three-dimensional treatment of water body with heavy metal pollution. The method comprises the following steps: target plants at least comprise Spriodela polyrrhiza and Myriophyllum verticillatum; cultivation in independent clean water body or direct collection in enrichment regions of plants can be respectively selected; Myriophyllum verticillatum is transplanted in sediments of polluted water bodies with space of 1-1.5m from April to August, and Spriodela polyrrhiza is transplanted to the surface of the polluted water bodies from April to August, wherein the cover area of Spriodela polyrrhiza is 5-8% of the area of the water bodies; Spriodela polyrrhiza and Myriophyllum verticillatum are used for cleaning heavy metal ions in the water bodies and sediments by using hyperenrichment effects for heavy metal ions; Spriodela polyrrhiza and Myriophyllum verticillatum employ nitrogen and phosphor elements, and solid the elements into composition materials of the self-structure, in order to provide dissolved oxygen for water bodies; when the area of Spriodela polyrrhiza is 30-50% of the superficial area of the water bodies, Spriodela polyrrhiza is fished out, 70-80% of Myriophyllum verticillatum which is planted in the year is collected in November is collected, the plants which enrich heavy metals are chopped and dried, and heavy metal elements which can be reused are extracted by a chemical mode.

The invention discloses a heat-clearing type aquatic plant feed for a pig. The heat-clearing type aquatic plant feed comprises the following raw materials in parts by weight: 120-150 parts of corn, 20-30 parts by weight of rice chaff, 10-14 parts by weight of cane shoots, 20-30 parts by weight of myriophyllum verticillatum, 6-10 parts by weight of eel grass, 10-14 parts by weight of water mustard, 5-7 parts by weight of willow herb, 3-8 parts by weight of beet root, 10-13 parts by weight of bagasse, 6-10 parts by weight of sweet potato leaves, 5-7 parts by weight of shaddock peel, 4-7 parts by weight of arabian jasmine flower residue, 6-9 parts by weight of highland barley powder, 1-2 parts by weight of edible salt and 5-7 parts by weight of nutritional flavoring material. The heat-clearing type aquatic plant feed disclosed by the invention contains multiple aquatic plants, is rich in sources, and is lowered in cultivation cost, wherein the cane shoots are rich in protein and fat and have good effects of clearing away heat and toxic materials, promoting lactation and the like; the tape grass also has a good heat-clearing effect, thus the heat-clearing type aquatic plant feed has no toxic and side effects after being fed for a long time, and is safe and environment-friendly.

The invention discloses a culture method for realizing symbiosis of fish and grass by using biogas slurry, and belongs to the field of fishpond planting. The culture method comprises the following steps: S1, a rectangular pond ridge is defined along the periphery of a fishpond, and a fishpond tail water inlet pipe and a water level adjusting and discharging pipe are sequentially arranged in the fishpond from the high position to the low position of the water level; s2, planting myriophyllum elatinoides on the water surface of the fishpond, and then erecting a sunshade above the planting range of the myriophyllum elatinoides; and S3, a dripping hole is formed in the fishpond tail water inlet pipe every 50cm, the outer surface of the biogas slurry inlet drip irrigation pipe is wrapped with slow humidity cloth, plankton is raised through biogas slurry, and the number of floating oil organisms is controlled through fishes so that the purpose of purifying water discharged through the water outlet pipe can be achieved. The content of organic matters in the water body is reduced through the combined action of biological physical, chemical and biological effects, and meanwhile, the content of dissolved oxygen is increased, so that the purpose of purifying sewage is achieved.

The invention provides a shrimp and algae compound culture method which comprises the following steps: selection of a culture pond, treatment before culture, algae planting, prawn stocking and algae salvaging and multiple cropping. According to the shrimp and alga compound culture method, watermifoil and waterweed or potamogeton crispus, Potamogeton maackianus and other algae with complementary functions are planted in stages and layers, growth of prawns is facilitated, growth of the algae is easy to control, the advantage of mutual benefit and symbiosis of the prawns and the algae is promoted, and economic benefits are high.

The invention discloses a method for promoting aquatic plants to remove heavy metals in sediments employing ultrasound. Through treatment disclosed by the invention, absorption accumulation of the aquatic plants (algae such as myriophyllum spicatum, hydrilla, hornwort and spirogyra) on heavy metals can be effectively promoted; and heavy metal concentration in water bodies and sediments is reduced. The treatment method is high in removal rate on heavy metals in the water bodies and sediments; the required ultrasound time is short; equipment is simple; the plants after being subjected to ultrasonic treatment can normally grow; secondary pollution to the environment is not caused; and the method disclosed by the invention belongs to an environment-friendly heavy metal repair processing technology.

The invention relates to the technical field of wastewater treatment, in particular to a system and a method for purifying breeding wastewater. The invention provides a system for purifying aquaculture wastewater, which comprises an aeration tank, a front-end regulation and biological matrix treatment tank, a three-stage myriophyllum elatinoides constructed wetland and a subsurface infiltration deep treatment tank which are communicated in sequence. The aeration tank is used for improving the dissolved oxygen content of the aquaculture wastewater, so that sufficient oxygen is provided for aerobic microorganisms in the front-end regulation and biological matrix treatment tank; then, nitrogen and phosphorus are adsorbed and degraded through front-end adjustment and a biological matrix treatment pond, meanwhile, substances harmful to growth of myriophyllum elatinoides are intercepted, and normal growth of myriophyllum elatinoides is guaranteed; in the myriophyllum elatinoides constructedwetland, myriophyllum elatinoides is used for absorbing nitrogen and phosphorus in wastewater and adsorbing and enriching heavy metals and toxic and harmful substances at the same time; finally, residual pollutants are treated by the underflow percolation deep treatment tank to obtain effluent meeting the emission standard.

The invention belongs to the technical field of water environment treatment, and particularly relates to aquatic-plant artificial turf and a preparation method and application thereof. The preparationmethod includes: adopting a lake shore zone soil and lake mud mixture as a fixation matrix and uncontaminated soil as a matrix for covering, and planting mixed seeds of potamogeton crispus clint, eelgrass, myriophyllum verticillatum and potamogeton pectinatus, wherein a proportion of lake shore zone soil and lake mud in the fixation matrix is 1-2:1. The artificial turf can sufficiently utilize water space resources and has good effect on improving water environment; the preparation method is easy to implement and simple in process.

The invention relates to a method for ecological management of rural domestic sewage. The method includes that the domestic sewage of each household is collected to low-lying places of a residential area by the aid of a pipe network according to local conditions, a rural domestic sewage treatment system composing of a first-level grille tank, a third to sixth-level front adjustment and biological matrix purification tanks, a seventh to sixteenth-level myriophyllum elatinoides ecological wetlands and first to second-level terminal intensive treatment tanks is established. The pollutant content of COD (chemical oxygen demand), ammonia nitrogen and total phosphorus in discharged water in the terminal wetlands is controlled under the first-level control index value according to 'standards for urban living sewage discharge in the People's Republic of China' (GB18918-2002) issued and implemented by the state environmental protection administration in 2002; in addition, myriophyllum elatinoides harvested in the ecological wetlands is made into fodder to feed chickens, ducks, gooses, pigs, cows, sheep, fish and the like, and certain economic benefits are achieved.

The invention provides a planting and breeding combined Basa fish ecological circulating water cultivation system which comprises a Basa fish cultivation area, an aquatic plant culture area, a microalgae slant culture area and a water quality purification group, and water treated by the water quality purification group flows back to the Basa fish cultivation area through a pipeline to form complete water circulation. The microalgae slant culture area is arranged in the middle of the aquatic plant culture area, illumination is fully utilized, plant growth is promoted, and the water purificationcapacity of the aquatic plant culture area is improved; before myriophyllum elatinoides gaudich, waterweed and ottelia alismoides are inoculated in the microalgae culture area, the microalgae culturearea is arranged to be an inclined body, bacterium breeding caused by bottom deposition is avoided, survival of floating animals is facilitated, the planting areas of myriophyllum elatinoides gaudich, waterweed and ottelia alismoides are optimized, growth of myriophyllum elatinoides gaudich, waterweed and ottelia alismoides is promoted, and the plant water purification capacity is improved; Myriophyllum elatinoides gaudich, waterweed, ottelia alismoides and zooplankton can flow back to the Basa fish cultivation area along with the circulation of the water body, richer food sources are provided for Basa fishes, the physique of the Basa fishes is improved, and the immunity is improved.

The invention discloses a sustainable development management method for a breeding sewage treatment tank. The method comprises the following steps: (1) building a breeding sewage treatment tank with Myriophyllum elatinoides as a core, wherein the breeding sewage treatment tank comprises a two-stage biomass purification tank, a four-stage Myriophyllum elatinoides ecological wetland and a circulating breeding paddy field, and enabling tail water treated by the two-stage biomass purification tank and the four-stage Myriophyllum elatinoides ecological wetland to enter the circulating breeding paddy field for duck breeding in the paddy field; (2) updating straws in each stage of the biomass purification tank every three months; (3) putting straws into each stage of the Myriophyllum elatinoidesecological wetland, wherein 0.5-1kg/m<3> of the straws are put into each cubic meter of the ecological wetland; (4) harvesting Myriophyllum elatinoides in each stage of the Myriophyllum elatinoides ecological wetland in an interlaced manner once every three weeks; and (5) planting rice in the circulating breeding paddy field, and breeding ducks under the rice. The method is simple in process, convenient to operate and capable of remarkably repairing the pollution of an eutrophic water body, fundamentally improving water quality, improving the self-purification capacity of the water body and promoting recycling of elements.