382 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 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.

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 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 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 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.