383 results about "Water quality management" patented technology

The invention relates to a method of culturing Erythroculter ilishaeformis adult fishes. The method comprises the following steps: stocking the fish fries of Erythroculter ilishaeformis adult fishes in the water area of 5-10 mu with the density being 800-1000 / mu, and the specification of the fish fry stocking being 15-18 cm; providing a clean pond, rich water, water quality management, and the feeding of fish meals; controlling the water environment and the disease occurrences in the culturing process; and obtaining the Erythroculter ilishaeformis adult fishes with the average weight being 0.50kg / tail after one year of culture. Compared with the other inorganic and organic water fertilizing methods, the invention adopts the fertilizing method of using the zymotechnics of multiplicity of microbe groups, so as to reduce the pollution to the feeding environment of the pond by fertilizer water and achieve the purpose of emission reduction. In addition, photosynthetic bacteria are poured after the second day of the water fertilizing, so as to further increase the content of the photosynthetic bacteria in the pond, thus being favorable to the culturing of food organisms, decreasing the number of pathogens, and reducing the occurrence of various diseases.

The chemistry regulation and control cultivate means of the hot pepper's high output and good quality is one of the cultivate means of the vegetable crop. Basing on the insufficiency of recent hot pepper cultivate means, dispose hot pepper at its critical growing period by using plant growth regulator such as fruitone, drop-defending element and casing coupling amine, as well as cultivate synthetically by using cultivate measures such as scientific, rational manure and proper planting density, including nursery sock growing, planting, chemical controlled treatment, fertilizer water quality management, branching and wiping bud processes. It makes the output of the hot pepper increase quickly, with the average increase production of 18percent to 30percent, the quality improves evidently, besides, the content of vitamin C and deoxidizing sugar are improved apparently, it is also suitable for different kinds of hot pepper.

The invention discloses a green and efficient comprehensive shrimp-rice breeding method which comprises the following steps: (1) carrying out field engineering transformation and optimization; (2) carrying out rice field weeding and sterilization; (3) planting and maintaining aquatic plants; (4) carrying out early-stage natural feed biological culture; (5) launching shrimp fries and seed shrimps,harvesting commercial shrimps, and carrying out breeding circulation; (6) carrying out feeding and management; (7) carrying out water quality management and disease and insect prevention and control;(8) carrying out comprehensive planting and breeding management, and the like. By adopting the method, a first batch of shrimp fries are harvested in March to April, a first batch of commercial shrimps can be harvested in April to June, a second batch of commercial shrimps can be harvested in August to September, a batch of high-quality rice can be harvested at the middle and last ten days of October, the limit that sufficient mutualism of shrimps and rice cannot be achieved by using a conventional breeding mode can be avoided, meanwhile, ecological resources can be utilized, propagation and breeding of large-scale cray fries ahead of time can be promoted, the problems that a conventional shrimp-rice co-existence or continuous breeding is low in yield benefit and high in death rate can beavoided, a rice field ecological system is sufficiently utilized for comprehensive breeding and green production, and the benefits and the quality of cray and rice can be improved.

The invention relates to a high-density cultural method of loaches, which is exclusively used for cultivating the loaches and comprises the steps of designing and building ponds, using a high-density cultural technique and designing a water supply and drainage system to perform water quality management. The method can satisfy the biological characteristics of benthonic property, thermophily and shallow water of the loaches, solve the problems that the loaches are good at escaping, are fond of burrowing and are easy to be harmed by natural enemies of mice, snakes and the like, and also solve the problems of water exchange, feedstuff feeding, upper layer algae, oil pollution, discharging of bottom layer impurities and the like. The method has the advantages of high density of the loaches, more increase in yield, low risk, high benefit and wide practicability.

The invention relates to a freshwater fish breeding technology, in particular to an ecological grass carp breeding method.The method includes the following steps of appropriate pond selection, pond cleaning and arranging, fry stocking, water quality management, breeding management, disease and pest prevention and fishing.By means of the method, the breeding quality and yield of grass carps can be improved, grass carps bred through the method are fresh in meat taste and good in taste, scientific breeding management can be achieved, health care is achieved, disease and pest prevention is achieved at the same time, disease and pest prevention is thorough, the disease control rate reaches 100%, and the method is ecological, environmentally friendly, low in production cost, high in economic benefit and suitable for large-scale production.In the grass carp breeding process, through the green grass and biological fermentation feed mixed putting mode, the quality of grass carps is remarkably improved, the technology is simple, the investment cost is low, risks are small, operability is high, and the method is easy to grasp and apply and easy to popularize and promote.

The chemistry regulation and control cultivate means of the cowpea's high output and good quality is one of the cultivate means of the vegetable crop. Basing on the insufficiency of recent cowpea cultivate means, we dispose the cowpea at seedling stage and florescence by using plant growth regulator such as high yield element, drop-defending element and 1-naphthalene acetic acid, as well as cultivate synthetically by using cultivate measures such as scientific, rational manure and proper planting density, including nursery sock growing, planting, chemical controlled treatment, fertilizer water quality management, branching and wiping bud processes. It makes the output of the cowpea increase quickly, with the average increase production of 19percent to 31percent, the quality improves evidently, the content of ant scorbutic vitamin and reduction sugar increase, and the coarse fiber's content decreases. The invention is fit to different kinds of cowpea.

The invention discloses a water quality real-time intelligent monitoring analysis management system based on big data. The system comprises a lake region division module, a regional water body sampling module, a regional image acquisition module, a water quality database, a water quality parameter acquisition module, an image preliminary processing module, an image recognition and analysis module,a modeling and analysis module, a water quality server, a display terminal and an intelligent supervision center. According to the invention, pollutants existing on the lake surface are analyzed, water quality parameters of the lake water body are detected, and the lake water quality comprehensive pollution coefficient is calculated according to the lake surface pollutant analysis result and thelake water quality detection result, so that the problems of one-sided monitoring and low monitoring reliability in the existing lake water quality monitoring process are solved; meanwhile, the lake water quality comprehensive pollution coefficient obtained by the system can reflect the comprehensive pollution condition of the lake water quality, and a reliable reference basis is provided for lakewater quality management personnel to manage lakes.

The invention relates to a method for culturing finless eel and freshwater crayfish in a pond, which includes (1) selecting pond or low-level pond, or opening ditches such as 'curve', 'well' or 'field' font, keeping sluice above 1.5m in the pond or ditch; (2) clearing and sterilizing the pond, keeping the water depth for 30cm, fertilizing and planting aquatic; (3)the net box of finless eel being an open style, planting water peanut in the box; (4) regulating water quality by stocking silver carp and bighead carp, putting healthy fingerlings of the freshwater crayfish one off in the last decades of April (100kg / 666m2), or putting mature fingerlings of the freshwater crayfish whose female and male ratio is 2:1 in the autumn; (5) stocking young finless eels from the last ten-day of April to the first ten-day of May or the last decades of July (1kg / m2); (6) feeding food per day, the amount of which are 5-8% of the weight of freshwater crayfish; (7)subduing feeds after young finless eels are put in the box and hungry for 3 days, the weight ratio of minced earthworm or fresh fish and finless eel is 5:1, 4:1, 3:1 and 2:1; (8) strengthening water quality management, fertilizing management and prophylaxis osamu work of the aquaculture water and inside the net box.

A cultivation method with high production of grass carps in a pool comprises pool requirement, pool preparation, fingerling release, fodder feeding, water quality management, disease prevention, and treatment and capture and harvest. The beneficial effects of the cultivation method are that the cultivation method with high production of the grass carps in the pool has the advantages of simple operation of the whole cultivation process, low investment cost, convenient cultivation management, high economic productivity and remarkable economic, ecological and social benefits.

The present invention discloses a high-efficiency ecological cultivation method for macrobrachium nipponense. The method comprises: (1) preparing a shrimp pond; (2) disinfecting the shrimp pond; (3) planting and managing water weeds; (4) stocking and managing postlarvae; (5) carrying out oxygenation water quality management and oxygenation; (6) carrying out feeding management; and (7) catching adult shrimps. According to the present invention, the high-efficiency ecological cultivation method for macrobrachium nipponense is simple and easy in operation, can greatly reduce content of poisonous and harmful organic matters, residual feed and the like by virtue of management methods such as planting water weeds, matching filter-feeding fishes, reducing a mixed feed proportion, reasonably and effectively feeding, controlling water weed density, carrying out oxygenation by virtue of an aerator, and the like, thereby reducing cost investment and keeping water quality freshness. by postponing shrimp postlarvae stocking time and applying quicklime, occurrence of autumn propagated postlarvae can be inhibited; and by leaving an area besides a pond with no water weeds planted, feeding and growing of macrobrachium nipponense can be promoted. The macrobrachium nipponense cultivated by the method is high in yield, good in quality, high in large-size commercial shrimp rate, good in cultivation benefits, so that the health development of macrobrachium nipponense cultivation industry is promoted.

The invention discloses a method for freshwater fish polyculture through Chinese herbal medicine. The method includes the steps of cleaning a pool, breeding fries outside freely, throwing bait for feeding fishes periodically, conducting water quality management and the like. Through the method, the method for fish polyculture is green and environmentally friendly. Due to the fact that Chinese herbal medicine composition contained in feed is mutually synergetic and complementary, the method has the effects of being resistant to microorganism, virus, parasite, and fungus, and improving immunity, and can effectively accelerate growth and development of fishes. Meanwhile, the toxic and side effects of the Chinese herbal medicine are little, pollution to the environment is little, taste of fish flesh is not affected, and the method is suitable for feeding of chub, grass carp and crucian carp.

The invention relates to a method reducing fish culture pond water body nitrogen phosphor content and improving culture output; the method comprises the following steps: 1, setting a pond; 2, culturing pond plants; 3, culturing biofloc; 4, inputting fish fingerlings; 5, feeding at intermittences; 6, water quality management; 7, disease control. The novel method can comprehensively improve water quality, can reduce the pond nitrogen phosphor content, can improve bait utilization efficiency, and can improve feedable fish output in the same time.

The invention relates to a freshwater shrimp cultivation method, in particular to a pollution-free freshwater shrimp cultivation method according to which hybridization is adopted and fish larvae are matched for cultivation together. The pollution-free freshwater shrimp cultivation method includes the following steps of shrimp pond requirements, shrimp pond treatment, hybridization, shrimp larvae breeding, feeing management, water quality management and density control. The pollution-free freshwater shrimp cultivation method makes the most of idle resources for production, standardizes cultivation techniques, and obtains high-quality offspring seeds for cultivation after Lake Taihu youth shimps and local shrimps are hybridized; moreover, when a second generation of freshwater shrimps are reproduced, the fish larvae are bred, on the one hand, small shrimp larvae can be used as feed of the fish larvae, and on the other hand, space is saved by the small shrimp larvae which are eaten and oxygen consumption is reduced, and therefore unified specifications and high output of the freshwater shrimps are ensured.

The invention discloses a method for cultivating adult mandarin fishes, and refers to the technical field of aquaculture. The method comprises the following steps: pond selection, pond preparation, cultivation of feeder fish, stocking of fingerlings of mandarin fish, feeding management, water quality management, and fish disease prevention and treatment. The method for cultivating adult mandarin fishes has the beneficial effects: the method fully uses the production resources, needs not professional equipment, and is free from cultivation pollution; the cultivating technology standard is regular, the feeding process is scientific and norm, and the mixed cultivating technology is new; therefore, the quality of adult mandarin fishes is greatly improved, and thereby the quality yield of the mandarin fishes is improved.

The invention discloses a micropterus salmonides culture method. The method comprises the following steps of culture pond preparation, preparation before stocking, net cage grading, grading feeding, water quality management and catching. According to the micropterus salmonides culture method, the culture mode that culture ponds are combined with culture net cages is adopted, a good growth environment is provided for the growth of micropterus salmonides. Through a scientific and reasonable feed proportion, comprehensive nutrition is provided for the growth of the micropterus salmonides. The methods of grading culture and gradient feeding are adopted, and therefore the situation is effectively avoided that the micropterus salmonides kill each other because of overlarge differences among individuals in the feeding process, the survival rate of fish fry is increased, and the economic benefits of culturists are guaranteed.

The invention belongs to the technical field of turtle egg intensive cultivation and particularly relates to a method for the turtle egg intensive cultivation in a lighting greenhouse. The lighting greenhouse adopted in the method comprises a pool, a ceiling, a water inlet system, a drainage system, an aerating oxygenation system, a warming and heat-insulation system, a radiating system and meshes. The cultivation method includes the following steps: step 1, stocking; step 2, feeding; step 3, water quality management; and step 4, daily management. By utilizing natural renewable energy, cost is saved, manual work is reduced, economic benefit is increased, pollution on the atmosphere is reduced, and therefore the method for the turtle egg intensive cultivation in the lighting greenhouse has the advantages of being clean, low-carbon, energy-saving and efficient.

The invention discloses a pool polyculture method for tor brevifilis, flying carps and bighead carps. The pool polyculture method comprises the following steps of selecting a polyculture pool; neatening the polyculture pool; fertilization: applying fermented chicken droppings as a base fertilizer, topdressing EM bacterium and unicellular alga activin after 3-4 days, and adding urea and calcium superphosphate; putting: in January, disinfecting with quick lime and putting flying carps and bighead carps after 12-18 days, wherein the density of the flying carps is 90-110 fishes / mu and the density of the bighead carps is 45-55 fishes / mu; in the first ten days of June, putting the tor brevifilis, the density of the tor brevifilis is 3200-3700 fishes / mu; feeding and management: feeding the granulated feed accounting for 4-7wt% of the weight of the tor brevifilis; water quality management: changing and adding water and using a microbial preparation in the feeding process; disease control: disinfecting with quick lime at intervals of 15 days; from the start of July, killing pests by adopting o, o-dimethyl (2, 2, 2-trichlorine-1-hydroxy ethyl) phosphonate, and adding allicin and isatis root in the fed feed; daily management.

The invention discloses a method for artificial breeding of reef-dwelling young holothuria leucospilota in a small water body. According to the method, through bait and water quality management in keystages such as the pelagic stage, the metamorphosis settlement stage and the young holothuria leucospilota stage, artificial breeding of young holothuria leucospilota is achieved, artificial reproduction and releasing of holothuria leucospilota are made possible, the restoration of the marine benthic ecological environment of the South China Sea is facilitated, and basic conditions are provided for further development and utilization of biological resources of holothuria leucospilota.

The invention belongs to the technical field of aquaculture, in particular relating to a new loach soilless culture method. The new loach soilless culture method comprises the following steps: building a culture pond, laying impermeable membranes on the wall of the pond and the bottom of the pond, arranging a drainage pipe in the pond, placing eclipta prostrate, acalypha australis linn and ampullaria gigas spix into the pond, and simultaneously putting water spinach or watercress into the pond; and after adding water and putting loach fries into the pond, then periodically harvesting the water spinach or the watercress, controlling the culture density of the ampullaria gigas spix and enhancing water quality management. By adopting the method, the defects in enclosure soil culture of a loach pond and the current soilless culture are overcome, and the method has the characteristics of easiness in regulation and control of water quality, feed conservation, few diseases and pests of loach, fast growth speed, capability of improving comprehensive benefits of the culture of the loach and the like.

The invention discloses a grass carp breeding method comprising the following steps of (1) pond preparation, (2) pond cleaning, (3) fish fingering stocking, (4) fodder feeding, (5) water quality management and (6) disease and insect prevention. One month after the grass carp is placed into the pond, the grass carp is mainly fed by pellet fodder; the protein content of fodder remains 28% to 32%; and then green forage is fed for auxiliary forage. The fodder feed applies to principles of " rough for primary period and fine for final period" and " four fixed time and four checks". Grass carp physique can be enhanced, diseases can be reduced and quick growth of the grass carp can be promoted.

The invention discloses a high-efficiency ecological breeding method for South American white shrimps. The high-efficiency ecological breeding method includes the steps such as breeding greenhouse building, offspring seed selection, stocking preparation, breeding management, water quality management. The technology is advanced and applicable; operability is strong; and breeding risk of South American white shrimps is reduced. Disease incidence is reduced. Dissolved oxygen of varied water layers in greenhouses is improved; condition of bottom layer water is improved; improvement in appetites of the South American white shrimps is benefited; and digestibility and utilization rate of feeds are increased.

The invention relates to the technical field of aquaculture, in particular to an ecological culture method for grass carp. The ecological culture method for grass carp includes the following steps of fishpond selection, feeding putting, water quality management, disease prevention and treatment and proper catching. By means of the culture method, the culture quality and yield of grass carp can be improved, meat of grass carp cultured through the method is delicious in flavor and good in taste, scientific culture management can be achieved, disease and insect prevention and treatment can be achieved while healthcare is achieved, the disease and insect incidence rate can be reduced, and the culture method is ecological, environmentally friendly, low in production cost, high in economic benefit and suitable for large-scale production; granules processed by smashing natural forage grass and feed are put in the culture process of grass carp, no commercial mixed feed or chemical synthetic medicine or antibiotic medicine is used, production cost is reduced, and cultured grass carp are good in quality and high in yield.

The invention discloses an artificial breeding method for oplegnathus punctatus, and relates to the technical field of fish aquatic organism culture in aquaculture. The method comprises the steps of nursery pond water quality condition control, fertilized egg feeding into a pond, fry breeding and feeding management, water quality management during the fry breeding and feeding period, seedling pond division, seedling emergence and the like. Compared with the prior art, an incubation tank special for artificial breeding is designed, nursery pond water inflowing and drainage and oxygenation facilities are improved, the nursery pond water quality conditions are strictly controlled, scientific and reasonable bait casting and operation management are carried out in different stages of fry breeding of the oplegnathus punctatus, the mixed feed casting mode is improved, and the stable high yield of artificial breeding of the oplegnathus punctatus is achieved.

The invention belongs to the technical field of aquiculture, and particularly discloses a disease preventing fish farming method. The method mainly comprises the following respects: (1), fishpond management; (2), fingerling stocking; (3), feeding: feeding disease preventing fish feed according to body weight of fish; (4), water quality management: performing disinfecting for 2 to 3 times every month by using a disinfectant; the disease preventing fish feed is mainly prepared from bran, maize, a feed additive and inorganic salt in certain parts by weight; the feed additive is mainly prepared from basil, lonicera japonica, houttuynia cordata, folium perillae and rosmarinus officinalis in certain parts by weight; the disinfectant is mainly prepared from codonopsis pilosula, atractylodes macrocephala, bacillus licheniformis, nitrosobacteria and cyanobacteria in certain parts by weight. According to the method, the fish is fed via the improvement of aquiculture water quality and the adoption of disease preventing fish feed which is green, safe and good in disease prevention effect, the combination of the improvement of aquiculture water quality and the adoption of the disease preventing fish feed can effectively improve the disease prevention capacity of the fish, further the incidence rate of the fish is reduced, and the survival rate of the fish is improved.

The present invention discloses a whole-course pollution-free and ecological cultivation method for Chinese softshell turtles. The cultivation method comprises the following steps of: temporarily cultivating juvenile turtles; building a intensive cultivating tank for the juvenile turtles in an pond outside; stocking the juvenile turtles; respectively feeding the juvenile turtles; water quality management; overwintering management; and disease prevention. According to the whole-course pollution-free and ecological cultivation method for Chinese softshell turtles disclosed in the present invention, hatching juvenile turtles; after temporarily cultivation of the juvenile turtles, stocking the juvenile turtles into an outside pool simulating living environment of turtles in the nature; cultivating turtles in different stages in the pool outside for three years or more with scientific released density; in the whole cultivation process, water quality remaining good without any pollution and uses of forbidden drugs, as well feed that is balanced in nutrition proportion without any forbidden additives is used, with fresh and live baits as auxiliary feed; accordingly, pollution-free turtles with good quality and commercial specification being over 1.5 kg each turtle are cultivated; and the cultivated turtles are high in nutrition and medical value.

The invention discloses a pond polyculture method of Chinese fresh-water turtle Japanese strain and Litopenaeus vannamei Boone, which comprises the following steps: (1) selecting a pond which has a quiet environment, no pollution in the circumference, sunny exposure and adequate water source and is out of the wind; (2) clearing and disinfecting the pond, storing water and culturing basic bait; (3) putting young Litopenaeus vannamei Boone into the pond from April 20th to May 15th, feeding with artificially compounded shrimp bait, and carrying out water quality management; after 25-35 days of growth of the shrimps, migrating the Chinese fresh-water turtle Japanese strain into the pond for culturing, feeding artificially compounded turtle bait from the day after the turtles are put into the pond, and carrying out culture management work; and (4) shrimping the Litopenaeus vannamei Boone for sale successively in August, and catching the Chinese fresh-water turtle Japanese strain for sale from December to March in the next year. The invention saves energy, reduces the occurrence probability of shrimp diseases, solves the problems of high risk, low land use capability, high culture cost and the like in the current pond culture, effectively improves the qualities of the shrimps and the turtles, and improves the economic benefit of culture.

A method for massively breeding crays in severe-cold water of a highland includes steps of building a pond comprising a central deep water area and a peripheral shallow water area which are in transition through a hardened zone slope; putting up a mud ridge at the center of the deep water area in length not contacting with the inner wall of the pond; additionally arranging a plurality of water inlet pipes on a small reservoir of the pond; keeping the depth of the deep water area in 2-2.5 meters in winder and 1.2-1.5 meters in summer; breeding crays outside; feeding and casting; performing daily management and water quality management; fishing. By modifying the pond structure to guarantee that the crays smoothly overwinter and injecting warm water into the pond in the early and late winter so as to increase water temperature and prolong growth length of food organisms, fatting and survival rate of juvenile crays reaches more than 80% in the severe cold regions of the highland, and yield per mu reaches more than 700 kilograms.

The invention provides a method for deriving water-quality reference values for human health protection and a water-quality safety evaluation method. The water-quality safety evaluation method comprises the following steps of: when an operation of evaluating whether some water quality is safe is required to be performed, firstly, rapidly obtaining a water-quality reference value for human health protection; and then, analyzing a detected water environment, judging whether the water quality of the detected water environment conforms to the water-quality reference value, if so, determining that the detected water environment is a safe water environment, otherwise, determining that the detected water environment is an unsafe water environment. An operation of evaluating whether the water quality is safe can be performed rapidly and accurately. By using the method for deriving water-quality reference values for human health protection, a derived water-quality reference value for human health protection is more scientific and reasonable, and can provide a scientific basis for the water quality standard formulation, water-quality evaluation and water-quality management of environmental protection administrations.

A water quality management system for a water installation containing water. In some embodiments, the system includes a water quality measurement module adapted to monitor the water quality of the water in the water installation and to send water quality information to a controller; a chemical dispensing module adapted to dispense chemicals directly into the water installation in response to signals from the controller; and a communication mechanism configured to provide communication among the controller, the water quality measurement module, the chemical dispensing module and a user.

The invention relates to a landscape lake Bayesian water quality risk predication method. A landscape lake eutrophication risk probability prediction model is established by virtue of combined utilization of a dynamic model equation and a Bayesian statistics method. Verification shows that the model has good prediction accuracy (accuracy is higher than 80%), so that a researcher can timely and accurately predict landscape lake water eutrophication when facing landscape lake entry water quality change. By comparing with landscape lake water quality prediction distribution situation under different entries, nitrogen and phosphorus nutrient salt concentration is pointed out to be a main factor influencing landscape lake eutrophication risk, and by combining risk calculation, response measures for different entry landscape lake eutrophication risk grades are preliminarily formulated, so that a reasonable measure can be adopted when a landscape lake faces eutrophication risk, landscape lake water quality is guaranteed, and algae bloom caused by eutrophication is reduced. The method provided by the invention also can provide some reference for landscape lake water quality management.