353 results about "Overwintering" patented technology

The present invention relates to a method for planting grape in arid desert area. Said method includes the following several steps: according to the spacing distance of 4-6m excavating overwintering soil-covering cold-resisting channel, excavating planting channel in the centre of cold-resisting channel bottom, laying PVC plastic film on the channel bottom of planting channel and two side walls, filling coarse sand or chad into the channel bottom, then making the planting channel be filled up with soil and fertilizer mixture, according to the spacing distance of 1m planting grape young tree, at two sides of tree body respectively setting one drip irrigation band, at two sides of root system alternatively making irrigation, adopting small trellis form and pruning, when autumn changes into winter in every year, removing aerial portions of grape main vine and fruiting twigs from grape trellis and placing them into cold-resisting channel and covering said cold-resisting channel with a layer of sandy soil whose thickness is 50cm for overwintering.

The invention discloses a method for predicting the water area where water bloom of blue algae occurs first next year in a large shallow lake, which is characterized by comprising: based on the area and characteristics of water, setting a monitoring point for sampling water and bottom sediment; characterizing the time and spatial distribution of blue algae by using pigment analysis; characterizing the activity of blue algae in all lake areas by using photosynthesis activity and esterase activity of cells; acquiring meteorological data of the lake areas, and determining an effective wind field; and building an ecological dynamic module to predict the area where the water bloom of blue algae occurs first next year. In the method disclosed by the invention, the biomass and growth activity of the blue algae and the effective wind field are regarded as the common triggering factors of the formation of water bloom, the growth and transport of the blue algae and the driving factors of the formation of the water bloom are analyzed to estimate the change law of the ecological pattern of overwintering and resurrection of blue algae, the formation of water bloom of blue algae is predicted from multiple angles, parameters are integrated by the module, and the prediction result is directly displayed in a blue algae biomass contour map mode according to a time sequence.

The invention discloses a grape unburied cold prevention and overwintering and complete pruning cultivation mode. The cultivation mode comprises the following steps: adopting ditch planting, wherein fielding planting is performed according to line spacing; reshaping grapes, wherein the grapes have low trunks with single or double horizontal arms, the height of the trunks is 40 to 50 centimeters, and the horizontal vines are 40 to 50 centimeters above the bottom of ditches and are fixed on the first iron wires of trellises; adopting a V-shaped trellis forming mode, wherein first iron wires are arranged at a place which is 40 to 50 centimeters above the bottoms of the ditches, the trellis height is 2 meters, four iron wires are arranged, new branch tops grow upwards and obliquely along the V-shaped trellises and fall down naturally when growing to the tops of the trellises, and grape burying labor is saved; and after pruning in winter, covering a grass curtain which is 5 to 10 centimeter thick or other like cold-prevention materials on the horizontal main vines and adding a layer of plastic waterproof thermal-insulation material in snow areas in north Xinjiang province to ensure the grapes can overwinter safely. The overwintering problem of grapes is solved, pruning method is simplified, the grape yield and quality are stable, the comprehensive benefits are high, and the mode has a high promotion and application value.

The invention discloses a method for improving overwintering survival rate and qualities of oreochromis niloticus fries. Before overwintering, feeds with 12% to 14% fat level are fed to the fries, and soybean oil and fish oil are blent in a proportion of 4:1 to form fat sources. Fatty acids--linoleic acids and linolenic acids which are necessary to growth of oreochromis niloticus are mainly increased so as to improve energy reserve. Low-temperature stress resistance of the oreochromis niloticus can be improved by low temperature acclimatization and the low temperature adaptability is improved. During overwintering, feeds with 1.5% to 2% compound Chinese herbal medicine are fed to the fries, so that damages of the low-temperature stress to fish bodies can be effectively relieved, the non-specificity immunity of the fish bodies is improved, and the overwintering survival rate and fry qualities are improved. Meanwhile, according to the above three steps, material selection and facility configuration are easy, the price is relatively low, processes are simple, traditional problems that overwintering costs are high, the survival rate of the fries is low, and qualities of the fries are poor are excellently solved, and environment-friendly and physically beneficial breeding requirements can be met.

The invention relates to a grape planting method, in particular to ice grape culture overwintering technology. Methods of the ice grape culture overwintering technology include: covering between lines and soil covering cold-proof method after harvest; and multiple vane replacing and soil covering cold-proof method. By adopting management technology to guarantee that a fruiting main vane, a preparing main vane and a cultivating main vane are maintained on a frame surface all the time, namely multiple vane circulation replacement. Thus, stable ice grape output can be guaranteed no matter how winter climate changes, the problem between ice grape production and tree overwintering is solved, persistence of the ice grape production is guaranteed, ice grapes with high quality can be produced, and production capacity of large-scale ice grape planting can be achieved.

The invention provides a selection method of new cold-resistant species of tilapia. The invention is characterized by determining the cold resistance of tilapia of different geographical population and screening the tilapia of different geographical population by adopting the technology such as colony continuous progeny selection, family selection, specialized line selection and the like and using natural screening and artificial low-temperature stress selection as the means, selecting the cold-resistant tilapia of specialized line and creating the selection method of new cold-resistant species of tilapia. The technology has the characteristics of strong pertinency, obvious effect and the like. The overwintering survival rate of the cold-resistant tilapia fries is over 80% and the low-temperature mortality of the tilapia is reduced by more than 15% than that of the common tilapia. The selection method opens up a new technical approach for breeding of cold-resistant species of fish, is suitable for being popularized and applied in fish selection and has great significance and application value in safe overwintering of the cultivated fish.

A method for obtaining batch American shad fertilized ova is characterized in that a plastic greenhouse cement pond is used for reserve parent overwintering culture, local fresh water is used, the salinity is increased gradually during water changing till the final salinity reaches 12%o to 15%o, the water temperature for overwintering culture is kept at more than 8 DEG C, and bait is NO.3 feeds of commercial freshwater fish expanded pellet feeds; parent spring intensive culture is between the end of March and the beginning of April, and as the temperature rises, two sides of the plastic greenhouse are used for ventilation, plastic film is dismounted, shading film is added, and the water temperature in a cement pond is kept between 16 DEG C and 18 DEG C; the salinity is reduced gradually each time water is changed, and the salinity is reduced by 2%o to 3%o each time till the final salinity reaches the salinity of local river water; parents for promoting spawning are selected to be put in curved spawning promoting channels between the middle of May and the beginning of June, the stocking density of the spawning promoting parents is between 0.8 shad / m<2> and 1 shad / m<2>, a natural spawning fertilization mode is used, the fertilized ova are collected in time after the parents spawn, the operation is performed in water, and the fertilized ova are moved to an incubating pond after counting.

A removing method of overwintering water-blooming cyanobacteria provenances in large-scale shallow lakes is disclosed. In the overwintering period and the recovery period, algae-controlling agents are respectively used in distribution areas of overwintering water-blooming cyanobacteria provenances twice to perform background removal of overwintering cyanobacteria provenances in water and sediment, wherein the first background removal is performed in the overwintering period, and the second background removal is performed in the recovery period before cyanobacteria recover; and the algae-controlling agent comprises rice straw and H2O2 with effective concentrations. The invention is based on the self-growth and recovery rule of algae; environment-friendly algae-controlling agents are used for prevention and control treatment at provenance regions for cyanobacteria growth and in bottleneck periods - the overwintering and the recovery periods; overwintering water-blooming cyanobacteria provenances in large-scale shallow lakes can be effectively removed; cyanobacteria water bloom can be treated from the source; and the method is a new approach for the prevention and control of the generation of harmful algae water bloom.

Disclosed is an artificial seed production and seedling method of tilapia, the method comprises the steps of parent fish breeding and cultivation, induced spawning and ova picking, artificial incubation, seedling cultivation process. The parent fish breeding is at lease implemented twice, when young fish is cultured to reach the weight of 50 to 100 g and before overwintering, the female and male parent fish is chosen by the proportion of 2:1 to 1.5, and respectively put into a cultivation e pond to culture according to different genders. Mature tilapia parent fish is put into an induced spawning pond, and the natural estrus and spawning of the parent fish are promoted by utilizing the ecological simulation method, fertilized eggs are taken out from oral cavity of the female fish and removed to a hatching slot to hatch, then the fertilized eggs are impacted by micro water current to roll and hatch completely in the hatching slot, after newly-hatched larva is flowed into a receiving pond and is screened by genders, the newly-hatched larva is sent into a breeding pond to culture. The method is scientific and reasonable, the technology is easy to be controlled, the investment is low, the facilities are simple, the method is easy to be implemented, the artificial breeding of tilapia is realized. The method has the advantages that the breeding time is short, the fish fry quality is good, the survival rate is high and the like, the method is applicable to large-scale breeding production, and has the good economic benefit.

A method for controlling the gate based on the habitat requirement for fish overwintering in rivers. According to the characteristics of biological habitat of the river and the habitat demand of fishes during overwintering, the method specifically comprises the steps of: firstly, determining candidate fishes for ecological flow calculation though fish resources investigating and historical data, and then screening out the target fish by adopting hierarchical analysis method; Secondly, establishing a quantitative response relationship curve between target fish physiological adaptions and water temperature, obtaining ecological water level which ensures the target fish overwintering safely according to the vertical temperature distribution, and establishing the relation between water depth and discharge using hydrodynamic model; finally, setting up a gate control system including a radar water level meter in the overwintering areas and an ecological water level management system in a gate control room.

The invention provides a method for ecologically and early breeding Yangtze River coilia ectenes in a pond greenhouse, and relates to coilia ectenes cultivation. The method comprises production steps of parent overwintering and strengthening cultivation, breeding parent stocking, mysis inoculation, daily management, fish fry number estimation and parent removing. The method is characterized in that when the water temperature of an outer pond is reduced to 7-8 DEG C from December to January in the following year, healthy two-age coilia ectenes without surface damage is taken as parent fish and transferred to the pond greenhouse for overwintering and strengthening cultivation; after the parent fish enters the greenhouse, 3 kilograms of exopalaemon carinicauda are put into the pound for each mu, and the mysis is inoculated; from the end of March to the middle ten days of April, the water temperature rises to 15-16 DEG C, overwintered and strengthened parent fish is picked and transferred to an ecological breeding pond, growth and feeding conditions of the fish fry are checked every one week, and the density of fish bait in water is adjusted according to the checked conditions; a seine is used for removing the parent fish in the middle ten days and last ten days of June, 1, 000-2, 000 fish fry can be generally seined each mu, the fish fry specification is that the total length is 7-10 cm and the weight is 1.8-2.5 g, and the fish fry can be taken as culturing offspring seeds.

The invention discloses a Tilapia mossambica overwintering feed. The feed is prepared from the following raw materials in percentage by weight: 20-40% of bean pulp, 0-5% of fish meal, 15-40% of miscellaneous meal, 20-35% of wheat flour, 2-5% of fish oil and 0.03-0.05% of Vitamin E, wherein the miscellaneous meal is one or more of rapeseed meal, cotton seed meal, peanut meal and rice bran meal. The crude protein content and crude fat content of the feed are 25-30% and 5-7% respectively. In the invention, the fish oil containing polyunsaturated fatty acids is used to improve the fat level of the complete feed, thus providing sufficient energy for the Tilapia mossambica; at the same time, the Vitamin E is added properly, thus strengthening ingestion of the vitamin, improving nutrient balance of the Tilapia mossambica, improving the immunity of the Tilapia mossambica, and intensifying the soma and cold and disease resistances of the Tilapia mossambica, thereby ensuring that the Tilapia mossambicas successfully live through the winter and improving the security coefficient of overwintering cultivation.

The invention relates to a method for conserving overwintering breeds by fencing tilapia, which is characterized by comprising the following steps that: a supporting warm water area is arranged near a pond or a reservoir region; a fence is arranged in the pond or a reservoir; a fence head line is fixed on fixing piles on two sides of a shore by use of a wire rope, and waterproof thermal insulation materials are sewn on the fence head line and support piles; pipe bags are sewn on a fence foot line and are filled with fine sand as sinkers; a doorway of the fence is provided with the doorway where water and fishes can freely go in and out; warm water is pumped in to raise temperature; the doorway of the fence is provided with a feed table so as to ensure that the tilapia is easy to find the doorway of the fence through food inducement; as the water temperature in the fence is higher than that of an outer pond, the tilapia automatically swims into the fence to overwinter safely; and an oxygen-increasing machine is arranged in a fence water area to supplement overwintering fingerlings with oxygen so as to prevent fish aggregation from causing oxygen deficiency. The method ensures that the water temperature is kept within a survival range for the safe overwintering of the tilapia through less energy consumption and light labor, thereby raising the survival rate of the tilapia and helping the tilapia to smoothly overwinter and conserve breeds.

The invention relates to an extraction method of winter wheat plantation information. The extraction method of winter wheat plantation information includes the steps: based on the phenological characteristic of overwintering of winter wheat, determining and obtaining the remote sensing image data of the period of seedling establishment of winter beat and the remote sensing image data of the periodof naked land of winter wheat, and respectively preprocessing the two periods of remote sensing image data; combining with the historical cultivated land vector data, determining the cultivated landrange, and performing multiple-dimensional segmentation on the cultivated land range; respectively calculating the two periods of remote sensing image data, and obtaining the normalization vegetationindexes of two periods of winter wheat; and combining with the cultivated land range and the normalization vegetation indexes of two periods of winter wheat, automatically determining the thresholds of the normalization vegetation indexes, and realizing automatic extraction of the winter wheat plantation information. The extraction method of winter wheat plantation information utilizes the historical cultivated land vector data, fully excavates the geographical information of the early stage, has the advantages of simple principle, high applicability, high precision and processed technology, can realize automatic extraction and can be applied to area monitoring of the winter wheat cultivated area widely.

The invention relates to pike overwintering feed and a production method thereof. The pike overwintering feed is characterized by comprising the following raw materials: fish meal, bean pulp, rapeseed dregs, peanut meal, cottonseed meal, corn gluten meal, bran, wheat, corn, rice bran, brewer's grain, mixed oil (mixed by fish oil, soya-bean oil and lard oil according to a ratio of 1:1:1), L-carnitine, garlic, pre-mix compounds, monocalcium phosphate, zeolite powder and salt which are compatible in the production method. In the conventional formula daily ration, the brewer's grain, the soya-bean oil, the lard oil, the L-carnitine, the garlic and the corn are added. The feed preparing method comprises the following steps: weighing and crushing the raw materials, stirring and uniformly mixing the raw materials and finally granulating the raw materials into granule feed. The granule feed is comprehensive and rich in nutrition, the appetite can be enhanced, the cold resistance and stress resistance can be improved during overwintering period, the diseases are reduced, and the survival rate is improved.

The invention discloses a rapid propagation method of ecological light matrix walnut container seedlings. The rapid propagation method of the ecological light matrix walnut container seedlings comprises the steps of harvesting and preprocessing seeds, processing and cultivating a stock seed bed, preserving heat for overwintering and soil-detached grafting; preparing a container nursery matrix, installing a nutrition pot, reducing the temperature for over-summering, additionally applying fertilizers to nursery stocks and performing transplanting from the seedling nursery and transportation. By means of the seedling raising technique, the seedling emerging speed is high, and healthy and strong grafted seedlings which can be transplanted from the seedling nursery to a large field can be cultivated only by taking 17 months from seed harvesting to the transplanting from the seedling nursery. By adopting the nursery matrix, a fermented organic fertilizer and an inorganic fertilizer are combined, the nitrogen, phosphorus and potassium demands in the growing process of walnut trees are met, the fertility is durable, the nutrition is sufficient, and grown walnut tree seedlings are good in quality. The degradable nutrition pot is adopted, transplanting with nutrient soil is achieved, root systems are not damaged during transplanting, the transplanted seedlings grow directly, and the survival rate can be larger than 98%. The nutrition pot matrix is light, transportation in mountainous areas is facilitated, and the degradable nutrition pot does not cause environmental pollution. In the rapid propagation method, a greenhouse facility is adopted, high-density and intensive propagation is achieved, seedling cultivation land is remarkably saved, and the benefit is good.

The invention discloses a method for selectively breeding excellent strains of saline-alkaline tolerant tilapia. The method includes steps of collecting at least three different strains of Nile tilapia to be used as selective breeding base population and evaluating the saline-alkaline tolerance; carrying out one-generation saline-alkaline tolerant selective breeding on the different strains of Nile tilapia in every year and continuously selectively breeding at least two generations; mixing the different strains of saline-alkaline tolerant Nile tilapia with obvious growth superiority with one another after saline-alkaline tolerant selective breeding is carried out on the different strains of saline-alkaline tolerant Nile tilapia, then carrying out saline-alkaline tolerant selective breedingon the different strains of saline-alkaline tolerant Nile tilapia and continuously selectively breeding at least four generations to obtain the saline-alkaline tolerant Nile tilapia of the excellentstrains. Saline-alkaline tolerant selective breeding procedures include reproduction pond preparing, parent tilapia selecting and rearing, fry hatching and fishing, screening and intensified culture and overwintering. The method has the advantages that the method is high in reliability, operability and efficiency; novel technical ways can be developed for selectively breeding stress-resistant varieties of fish, and the method has important significance and application value in popularization of rearing of stress-resistant improved varieties of cultured fish.

The invention discloses an indoor culture system for safe overwintering of leeches. The indoor culture system comprises a culture workshop, wherein thermostats are arranged in the culture workshop; a plurality of culture boxes are arranged in the culture workshop; each box comprises a box body, a water supply pipeline and a water drainage pipeline are arranged on the box body, an opening is formed in the top surface of the box, a drainage port is formed in the bottom of the box and covered with a fabric screen, a water supply port is formed above the opening and connected with a long pipe arranged over the culture box, a row of water outlets are formed in the long pipe, and the water supply pipeline is connected with a hot water source; each box body further comprises an automatic control system which is used for controlling interruption timing, the water temperature or flow velocity of water supply; a water level balancing device for controlling the water level is further arranged on the water drainage pipeline of each box. With adoption of the indoor culture system for safe overwintering of the leeches, the problems of overwintering difficulty for manual culture of the leeches in China and especially the high cost in the north at present can be solved, and the culture economic benefit is increased.

The invention relates to a planting method for a sweet potato vine hibernating potted plant, wherein, a red sweet potato vine is cut into sections which are inserted into the soil in a flower bowl which is positioned in a room which can get sunshine in the temperature of 9-22 degrees and is watered once in 4-7 days, when the outdoor temperature reaches above 10 degrees in spring, the bowl is displaced outdoors and watered once in 4-7 days and is reaped in November of the next year during the sowing period. Due to beautiful leaves of sweet potato vine like scindapsus aureus and peperomia magnolifolia and the like in leaves-watched flowers, potted plant sweet potato vines attain two objectives by a single object. Red sweet potato vines which are sowed by the invention can be replanted in fields when the outdoor temperature reaches more than 10 degrees, thereby large numbers of sweet potato vine seeds are saved, and the original autumn sweet potato vine which are only used as fodder can be utilized.

The invention discloses a mutation breeding method for cunninghamia lanceolata. The method comprises the following steps: especially adopting ripen seeds of a cunninghamia lanceolata seed garden; carrying out low-temperature overwintering treatment, carrying out constant-temperature seed soaking stimulation on a gibberellin solution with specific concentration, immediately putting the gibberellin solution subjected to constant-temperature seed soaking stimulation into clear water, carrying out variable-temperature soaking for 3 days, and carrying out sprout promoting treatment; respectively carrying out colchicine mutation treatment, ethylmethane sulfonate (EMS) mutation treatment and sodium azide (NaN3) mutation treatment; and finally seeding and germinating the cunninghamia lanceolata seeds which are subjected to mutation treatment, so as to obtain a large group of cunninghamia lanceolata mutation seedlings. The cunninghamia lanceolata mutation seedlings obtained by the mutation method have the characteristics of obvious phenotypic characteristic variation, large population growth characteristic variation range and the like; a great number of mutated cunninghamia lanceolata materials can be formed within a short period of time by the method disclosed by the invention; and a foundation is laid for breeding of a new variety of cunninghamia lanceolata.

The invention discloses a breeding method of radish with purple peel. According to the method, a male sterile plant of a 'dahongpao' radish is used as a sterile source, a six-generation selfing line c152b of a 'cuanxinhong' radish is used as a transformation material, and a male sterile line c152a is obtained by six-generation backcross. A 'baiyuchun' radish is used as an original material, and a high-generation selfing line s-4-3-2-5-1-6-3 with stable inheritable characters can be obtained by seven-generation single plant selfing. The male sterile line c152a is used as a female parent, and the high-generation selfing line s-4-3-2-5-1-6-3 of 'baiyuchun' is used as a male parent, so that one-generation hybrid variety, named as 'ziyu', of the radish with the purple peel can be obtained by hybrid of the male parent and the female parent. According to the obtained variety 'ziyu', the upper half part of the surface peel of a radish is light purple, the lower half part of the surface peel of the radish is white and white like the color of meat, the root peel of the radish is smooth, the peel of the radish is thin, the radish meat is relatively crisp, the content of water in the radish is relatively high, the radish has the flavors of a white radish and a red radish, the yield is high, and the radish with the purple peel can be suitable for cultivation in autumn and cultivation overwintering or in early spring in greenhouses in the middle and lower reach areas of Yangtze river.

The invention discloses a method for Badam nursery stock whole-covering provisonal planting cold-proof overwintering. Before soil is frozen up, a hand-excavation north-south rectangular provisonal planting pit with the consistent height with a nursery stock and with certain length is adopted, and the nursery stock is lifted and bundled; after the nursery stock is subjected to root dipping and slurry dipping disinfection processing, soil, carbendazim and water are stirred at the ratio of 100:5:100 to 100:5:120 to obtain even soupy thick slurry; the root of the lifted nursery stock is dipped with the slurry; the roots of the nursery stocks are downwards intensively embedded into sandy loam in different rows in sequence into a cold-proof pit which is dug in advance for provisonal planting; halms or straws are vertically inserted at a certain distance to keep the nursery stocks ventilating; after the pit is fully planted with the nursery stocks, the nursery stocks are disinfected; the top of the provisonal planting pit is covered with a slipcover with a certain thickness. According to the method, the Badam nursery stock can be protected to go through the winter without being frozen to the maximum degree. Meanwhile, the method can perform the purpose of planting nursery stock provisonal planting in winter, the planting survival rate is high, and the method has a wide practicality.

The invention discloses a method for rapidly reproduction overwintering buds of epimedium sagittatum. According to the method, overwintering buds of epimedium sagittatum are taken as explants and are subjected to tissue culture, induced differentiation and rooting reproduction after being sterilized. The differentiation rate of callus differentiation buds is as high as 88.9%, the culture medium does not need to be replaced in later enrichment culture, and the multiplication coefficient is up to 5.3. The method is simple to operate, high in reproduction rate, low in production cost, short in reproduction period and applicable to factory production and application.

The invention relates to a simple, convenient and safety overwintering cultivation method of figs. The method includes the steps: performing soil preparation, soil improvement and field planting; pruning; applying fertilizers; performing irrigation and the like. A cultivation frame is a 'T'-shaped hedge frame and is high in early yield and beneficial to ventilation of plants, fruits can be sufficiently irradiated by sunlight, and produced fruits are high in sugar degree, fine in coloring, thick in fruit powder and fine in quality. The growth heights and the fruit setting positions of the plants can be controlled by a pruning mode, planting density is increased, the proper number of branches and proper pruning length are determined, the plants are conveniently managed and do not easily suffer from wind chill, and mechanical operation can be performed. By the aid of the technology, the pruning technology of traditional fig production is simplified, the difficulty in pruning, picking and cold protection is overcome, so that planting area is enlarged, and work and labor are saved.

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.

The invention discloses a method for inducing tomato to improve low temperature resistance. Tomato plants are irradiated with far-red light LED light sources to supplement light during the night, wherein the intensity of the far-red light is 10-50micron mol m-2s-1, the wavelength scope falls in the scope of 675-780nm, the wavelength of peak value lambda max is 735nm, and the power of the far-red light LED light source is 5-100watt. The far-red light LED light sources are installed on the upper portion of tomato plants, and the installation density is 1-5watt / square meter. LED lamps emitting far-infrared light source are employed to supplement light for plants during the night, so as to induce CBF1 expression of tomato cold-resistant genes, reduce the light inhibition of low temperature on tomato photosystems II, and improve photosynthesis efficiency and seedling rate. The method can be used for tomato seedling growing in winter and spring, and winter, spring and overwintering cultivating. The resistance to low temperature and severe cold of the tomato is improved, the energy consumption for heating is lowered, food safety is ensured, and tomato production is ensured.

The invention belongs to the technical field of insect breeding, and specifically discloses a management method for overwintering of bees. The management method for the overwintering of the bees comprises the following steps: (1) performing management on beehives: checking the beehives before the beehives are moved into a hive; (2) performing management on the hive: after moving the beehives are moved into the hive, removing mites by adopting a miticide, and controlling temperature and humidity, wherein the miticide is mainly prepared by mixing glacial acetic acid, a peppermint extraction liquid and a cuscuta chinensis extraction liquid; and (3) performing feeding management: performing supplementary feeding on the bees by adopting bee feed, wherein the bee feed is mainly prepared from a certain weight of spirulina, alfalfa seeds, carrots, liquorice roots, corn stigma, mixed pollen, composite vitamins and honey. The management method for the overwintering of the bees disclosed by the invention mainly combines two aspects of overwintering environment control and overwintering feed, and effectively improves an overwintering survival rate of the bees.

The invention discloses a parent fish culturing method for scaled artificial breeding of a finless ell. The method has the advantages of simplicity and easy implementation, and is suitable for the scaled artificial breeding of the finless ell. The method comprises the following culturing steps of 1, erecting a net case; 2, throwing brood fishes; 3, domesticating food intake; 4, carrying out the first time of physical reinforcing culturing; 5, carrying out the first time of overwintering; 6, growing and feeding in the second year; 7, carrying out the second time of physical reinforcing culturing; 8, carrying out the second time of overwintering; 9, carrying out the gonadal reinforcing culturing; and 10, carrying out the artificial breeding, so as to obtain the male and female parent fishes of the finless ell with large brood amount, high breeding capability and high sperm-egg quality. The culturing method provided by the invention has the advantages that the survival rate of the recovered parent fishes can reach more than 95%, the brood amount of one male fish with the weight of 100g can reach 600 to 800, and the hatchability of fries can reach more than 98%.

The invention relates to a wasp breeding method. The wasp breeding method comprises the steps of collecting and domesticating, overwintering management, rejuvenation management after overwintering, artificial nesting and natural stocking. According to the wasp breeding method, food and nutrition syrup are added in each stage for feeding, the growth and development of a bee colony can be promoted,the disease resistance of the bee colony can be improved, the functions of adjusting body metabolism, supplementing nutrition and protecting health can be achieved, the overwintering survival rate ofa queen bee is further increased, the amount of honey eaten by bees is reduced, the physique of the queen bee obtained after overwintering can quickly recover, and nesting and oviposition can be carried out as soon as possible. By means of the method, reasonable large-scale breeding of bees can be achieved, the problem that the number of wild wasp populations is sharply reduced can be solved by breeding wasps, the yield of forestry, crops and fruits is increased while the species are protected, and the method has high direct economic benefits and wide market prospects.

The invention relates to a finless eel self-reproducing, self-breeding and self-cultivating mode. The mode comprises a first step of finless eel simulated ecological breeding and cultivating by means of net cages, and a second step of commercial finless eel breeding. The first step comprises six processes of parent finless eel cultivation and selection; breeding net cage arrangement; parent finless eel throwing; parent finless eel feeding and management; fry cultivating net cage arrangement; and fry collecting, cultivating and binning for overwintering. The second step comprises four processes of first-instar finless eel throwing at right time according to required density; breeding net cage arrangement; finless eel feeding and management; and parent finless eel preparation. According to the invention, all the processes are self-sufficient as fries are bred by people, so that a phenomenon that the fries which are bought from the market with high price have different qualities is avoided; the fries can be thrown in advance, so that the cultivation period is prolonged, and the finless eel can be cultivated from May to October; and furthermore, feeding habitat conversion is not required for artificial fries, so that stress responses caused by feeding training and environment changing are avoided, and the stocking success rate is improved.