156 results about "Hydroponic culture" patented technology

An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The very small oxygen bubbles remain in suspension, forming a solution supersaturated in oxygen. A flow-through model for oxygenating flowing water is disclosed. The use of supersaturated water for enhancing the growth of plants is disclosed. Methods for applying supersaturated water to plants manually, by drip irrigation or in hydroponic culture are described. The treatment of waste water by raising the dissolved oxygen with the use of an oxygen emitter is disclosed.

An oxygen emitter which is an electrolytic cell is disclosed. When the anode and cathode are separated by a critical distance, very small microbubbles and nanobubbles of oxygen are generated. The very small oxygen bubbles remain in suspension, forming a solution supersaturated in oxygen. A flow-through model for oxygenating flowing water is disclosed. The use of supersaturated water for enhancing the growth of plants is disclosed. Methods for applying supersaturated water to plants manually, by drip irrigation or in hydroponic culture are described. The treatment of waste water by raising the dissolved oxygen with the use of an oxygen emitter is disclosed.

The invention relates to a method for hydroponic culture by using stalks under net in greenhouse, in particular to a method for hydroponic culture for hydroponic culture by using stalks under net in greenhouse under the condition of facility cultivation. The method comprises the following eight links: sunlight greenhouse construction, shallow pond lotus standardization pond construction, formula balanced fertilization, shallow pond lotus plant, stalk coverage and net fixing, shallow pond lotus management, hydroponic harvest, and storage and sales. The sunlight greenhouse shallow pond lotus cultivation can be appeared on the market in advance or later according to a market situation, so that not only is yield improved, but also the benefit is increased; a shallow pond is constructed for cultivating the shallow pond lotus, so that water and electricity can be saved, and the management and the harvest are favored; by using the method, stalk burning and the CO2 emission can be prevented, the resource advantage is integrated, the reutilization of agricultural wastes is promoted, the environment pollution is reduced, the labor and the effort are saved, the production and the income are increased, the harvest is favored, the yield and the quality of the shallow pond lotus are improved, and the economical and ecological benefits are obvious; and the yield of 666.67 m<2> is more than 4,800kg, so that not only is the yield high, but also the appearance in the market in advance or later is carried out according to the market situation, and the benefit is good.

The swirling type micro-bubble generating system according to the present invention possesses a container main unit having a cylindrical space with bottom or a frusto-conically shaped space, a liquid inlet provided in a tangential direction on a part of a circumferential surface of an inner wall of said space, a gas introducing hole provided on the bottom of said cylindrical space or opening of said frusto-conically shaped space, and a swirling gas-liquid mixture outlet arranged at the opposite end of said cylindrical space or opening of said frusto-conically shaped space. According to this system, it is possible to readily generate micro-bubbles in an industrial scale, and the system is relatively small in size and has simple structure and can be easily manufactured. The system can be used in applications such as purification of water quality in ponds, lakes, marshes, man-made lakes, rivers, etc., for processing of polluted water using microorganisms, culture of fishes and other aquatic animals, and increase of oxygen and dissolved oxygen in culture solution in hydroponics culture farm and improvement of production yield.

The invention belongs to the technical field of agriculture, and particular relates to a water-culturing rice seedling raising nutrient solution and a preparation method thereof. The nutrient solution contains elements B, Cu, Zn, Mn, Mo, Si, Fe, K, Ca, Mg, P and N in the ratio of (43.6-52.6):(1.2-2.6):(4.4-6.9):(41.5-55.6):(0.3-2.0):(1670-1990):(1200-1500):(3400-5900):(2160-3260):(480-790):(220-920):(5600-17500); and the pH value of the nutrient solution is 4.5-5.5. A water-culturing rice seedling raising nutrient solution formula and the preparation method are easy, raw materials are sufficient, implementation is easy, and the problem of nutrient supply to industrial production rice seedlings with a water culturing method is solved.

The invention relates to a plant hydroponic culture frame and a plant growth environment protection system. The plant hydroponic culture frame comprises a frame body, wherein at least one layer of hydroponic culture space is arranged on the frame body; at least a culture tray used for containing a nutrient solution is arranged inside the hydroponic culture space; a field-planting basket support member used for supporting a field-planting basket to float with the nutrient solution is arranged inside the culture tray; at least a field-planting basket is arranged on the field-planting basket support member; and a seed support member is arranged inside the field-planting basket and used for gaining water from the culture tray and supporting seeds inside a seed support member to germinate. According to the embodiment of the invention, through the arrangement of the field-planting support member used for supporting the field-planting basket to float with the nutrient solution, the height of the liquid level of the nutrient solution is changed, and a root system of a plant is always maintained to contact with the nutrient solution at the same time, so the root system of the plant is avoided from being submerged to affect normal growth of the plant when the liquid level of the nutrient solution is excessively high.

A method for culturing large tomato tree by water culture or matrix culture is disclosed. Said water culture method includes such steps as providing a large pot with lower water holes and upper drip irrigation tube, preparing nutritive liquid, and using water pump to force the circulation of nutritive liquid. Said matrix culture method is also disclosed.

The invention discloses a nutrient solution for antibacterial hydroponic culture flowers and a preparation method of the nutrient solution. The nutrient solution is prepared from the following raw materials in parts by weight: 25 to 35 parts of nano carbon sol, 20 to 25 parts of urea, 11 to 18 parts of beta cyclodextrin, 6 to 11 parts of boric acid, 10 to 15 parts of zinc sulfate, 8 to 15 parts of chitosan, 11 to 22 parts of peptone, 6 to 12 parts of itaconic acid, 8 to 11 parts of ferrous sulfate, 1 to 3 parts of composite vitamins, 3 to 5 parts of activated carbon, 4 to 9 parts of humic acid and 10 to 20 parts of cellulase. The nutrient solution prepared by adding streptomycin, phytohormone and an acidity conditioner into the nano carbon sol, urea, beta cyclodextrin, zinc sulfate and boric acid which serve as main raw materials is reasonable in formula; the preparation process is simple; the nutrient solution is scientific in formula and is safe and pollution-free; various required nutrient elements are supplied to growth of the flowers; the common phenomenon of lack of nutrition in the growing process of the distilled water cultured flowers is effectively avoided; the quality of the distilled water cultured flowers is improved; and bio-enzymes contained in the nutrient solution can effectively degrade organic acids secreted from roots of plants and rotten materials in distilled water.

An antibacterial rockwool growth medium for hydroponics is used for hydroponic growth of rice, flowers and ornamental plants, fruitage, etc. The medium includes a rockwool base used as a culture medium for hydroponics, and an inorganic antibacterial agent is dispersed substantially uniformly onto an overall surface of the rockwool base or a part of the surface of the rockwool base.

The present invention aims at providing a method for producing a nutrient solution for plant culture utilizing an organic material and providing a method of hydroponic culture in which a plant can be cultured while directly adding the organic material to the nutrient solution. The present invention provides a method for producing a biomineral-containing substance comprising establishing a microbial ecosystem necessary for stable mineralization of organic material by adding the organic material to water gradually or at one time and fermenting the resulting mixture and a method of hydroponic culture comprising utilizing the biomineral-containing substance obtained according to the method as at least a part of the nutrient solution and culturing the plant while directly adding the organic material to the nutrient solution.

In order to provide an efficient hydroponic culture system, the present invention provides a hydroponic culture system provided with: a plurality of water tanks which extend in a predetermined direction; a plant holding plate which holds plants and are disposed to extend over the plurality of water tanks; and at least one support mechanism which is provided between adjacent water tanks among the plurality of water tanks, wherein each of the plurality of water tanks is configured to contain a culture solution required to grow the plant, and the support mechanism supports the plant holding plate above the plurality of water tanks.

The invention relates to the field of facility culture, and concretely provides a transplanting-free hydroponic culture plate with a variable space and a use method of the transplanting-free hydroponic culture plate. The transplanting-free hydroponic culture plate with the variable space consists of n unit plates ranged into a regular geometrical shape and connecting components with the variable space between the adjacent unit plates, wherein a fixed planting hole is formed in each unit plate, and n is a natural number and is greater than or equal to 2. When the transplanting-free hydroponic culture plate with the variable space is used for carrying out hydroponic culture on plants, plant young seedlings are fixedly planted onto the transplanting-free hydroponic culture plate with the variable space until the harvesting, the transplanting is not needed, the labor consumption is reduced, the production efficiency is improved, meanwhile, the mechanical damage of the plants due to transplanting is avoided, the plant infection is reduced, the loss caused by plant diseases and insect pests is reduced, the growth period of the plants is shortened, the operation standardization degree is high, and the possibility is provided for the further fully mechanical plant planting.

The invention discloses a soilless cultivation method of promoting rapid rooting of strawberry. According to the nutritional features of necessary elements that the strawberry need to grow and develop, reasonable proportion of various elements is determined and nutritional liquid is obtained; the strawberry is cultivated in the form of soilless water cultivation; the strawberry water cultivation method mainly comprises following four steps: (1) selecting nursery stocks; (2) determining water cultivation nutritional liquid formula; (3) selecting a water cultivation container; (4) and ventilating and exchanging the nutritional liquid during the cultivation process. According to the invention, by adopting the soilless cultivation method to cultivate the strawberry, the strawberry has the advantages of fast root growth, good development, high survival rate and strong plant.

The present invention is to provide a hydroponic device for liquid supply, which includes a plate, a bottle and a pump. The plate has an open space for filing liquid therein, and a diversion panel is mounted in the open space to separate a first flume, a second flume and a connection set. The bottle pours the liquid (e.g. culture solution) slowly into the plate via breaking through the surface tension of water. The motor is connected to the second flume and the connection set to pump the liquid, and the first flume introduces the liquid into the second flume through the connection set, to form a circulating fluid loop. As such, the present invention achieves the purposes of reducing the losses of water and nutrient for hydroponic culture such that the liquid can be utilized repeatedly via flowing through the circulating loop to accelerate the growing of plants.

The invention discloses inhibitory effect of a celery root exudate concentrate on Ralstorinia solanacearum and an extraction method for the celery root exudate concentrate. The extraction method comprises the following steps: 1) cultivating celery with a nutritive bowl; 2) in 45 d, selecting five celery strains with good growth vigor and subjecting the roots of the celery strains to hydroponic culture with a nutrient solution in a lucifugal conical flask; 3) carrying out hydroponic culture for 3 d until the roots of the celery strains vigorously grow, transferring the roots the celery strains to another lucifugal conical flask with 200 ml of sterile water for culture; 4) after culture for 2 d, carrying out rapid filtering and collection of a nutrient solution in the conical flask, and subjecting the nutrient solution to freezing and evaporation at -50 DEG C until the nutrient solution is concentrated to a volume accounting for 1 / 20 of the original volume of the nutrient solution so as to obtain the concentrate of celery root exudates; and 5) filtering the concentrate of celery root exudates with a filter head with a size of 0.22 [mu]m and then carrying out aseptic preservation at 4 DEG C. The celery root exudate concentrate is convenient to use and low in cost and can substantially inhibit the biological activity of Ralstorinia solanacearum in continuous tomato cropping soil.

The invention discloses a hydroponic culture method for lettuce. The hydroponic culture method comprises the following steps: step 1, subjecting lettuce seeds to pretreatment; step 2, spreading the lettuce seeds obtained in the step 1 on the surface of a sponge cube; step 3, when the lettuce seeds obtained in the step 2 grow a true leaf, thinning lettuce seedlings, and adding a first nutrient solution; step 4, when the lettuce seedlings grow 2 to 3 true leaves, transplanting the lettuce seedlings into the first nutrient solution and carrying out culturing; and step 5, when the lettuce seedlings grow 4 to 5 true leaves, transplanting the lettuce seedlings into a second nutrient solution and carrying out culturing. The hydroponic culture method for the lettuce provided by the invention has the following advantages: the growth period of the lettuce is short; and the obtained lettuce is free of pollution and residues.

The invention belongs to the technical field of rice cultivation and particularly relates to a hydroponic culture method for rice underground stems. The method mainly includes seedling acquisition andgrid hydroponic culture. Seedlings are obtained by germination of seeds or induced germination of stem-node dormant buds. The induced germination of the stem-node dormant buds is achieved by means ofthe method, wherein the stems (overground stems or underground stems) with nodes are placed in a treatment liquid containing 0.5-2 mg / L 6-BA (6-benzyl adenine) or KT (kinetin) and then placed in a shaker for shaking culture at 100-200 rpm / min for 1-3 days, the treatment liquid is replaced once a day, and the treatment is stopped after germination of the stem-node buds; after the seedlings grow toa 3-5 leaf stage, hydroponic culture is started, and a metal mesh and a sponge block are adopted as a hydroponic fixing device; the seedlings are clamped by using the sponge block and then loaded into grids of the metal mesh to be perpendicular to the liquid surface; a 0.5* nutrient solution of the international rice research institute is adopted for recovering culture for 5-10 days and then replaced with a 1* nutrient solution for continuous culture. Through a grid fixing method, the advantages of convenient observation and easy control over experimental conditions of the hydroponic cultureare fully utilized, and a research is conducted on the development of the rice underground stems.

The invention discloses a bromeliad hydroponic culture nutrient solution and a bromeliad hydroponic culture method. According to the changes of nutrient demands of bromeliad at different stages, the hydroponic culture nutrient solutions are divided into a vegetative-growth-stage bromeliad hydroponic culture nutrient solution and a reproductive-growth-stage bromeliad hydroponic culture nutrient solution. Before flowering, bromeliad is cultured in the vegetative-growth-stage bromeliad hydroponic culture nutrient solution; and since flowering, the bromeliad is cultured in the reproductive-growth-stage bromeliad hydroponic culture nutrient solution, such that full utilization of nutrients is facilitated. According to the invention, for adapting bromeliad to hydroponic culture slowly, bromeliad clear water acclimation is carried out first, such that a phenomenon of quick death of the plant when the plant is directly soaked in the nutrient solution can be effectively prevented.

The invention relates to an indoor hydroponic taxus mairei culture method. The method is characterized by including the steps: (1) building a greenhouse, a root-forcing seedbed, an induction seedbed and a nutrient solution pool; (2) putting taxus mairei plants on the root-forcing seedbed after root system treatment; (3) forcing adventitious roots to grow at the average temperature of above 20 DEG C after 30-35 days; (4) putting the taxus mairei plants in planting baskets, and performing aquatic induction in the induction seedbed; (5) spraying nutrient solution via an atomizing pipeline, and control the pH (potential of hydrogen) value, EC value and water temperature; (6) when the adventitious roots grow to 8-10cm, taking out the taxus mairei plants, and putting the taxus mairei plants into a hydroponic container for indoor culture; (7) during indoor culture, controlling light and temperature, properly supplementing water and adding the nutrient solution, and keeping ventilation. By the method, indoor hydroponic culture of the taxus mairei is realized, and survival rate of the taxus mairei and attractive appearance are guaranteed.

The invention relates to the field of soilless culture nutrient solution and especially relates to a hydroponic culture medium for vegetables and a preparation method of hydroponic culture medium for vegetables. The hydroponic culture medium for vegetables comprises following components in parts by weight: 110-115 parts of fermentation broth, 70-75 parts of leaching solution, 4-6 parts of vinegar and 10-15 parts of complex nutrient solution. The preparation method of hydroponic culture medium for vegetables comprises following steps: preparation of organic raw materials, preparation of raw materials for fermentation, preparation of raw materials for extraction, extraction of fermentation broth, preparation of leaching solution, and preparation of hydroponic culture medium for vegetables. The hydroponic culture medium for vegetables is safe in quality, high in yield and low in cost. The preparation method is used for preparing safe high-yield and low-cost hydroponic culture medium for vegetables.

The invention discloses a water culture method of ornamental and edible pineapples, belonging to the technical field of farming. The water culture method comprises the following steps: selecting plants of good pineapple varieties; trimming leaves and sterilizing, putting the processed plants into field planting basins filled with culture liquid and carrying out water culture; spraying nutrient growth liquid onto the plants every 5-7 days; after leaves of the pineapple plants grow to 35cm or more and the quantity of the leaves reaches 20-30, carrying out plant filling and flower induction by utilizing a calcium carbide water solution; spraying a microelement foliar fertilizer when the plants have red buds; uniformly spraying surfaces of the pineapples by utilizing a potassium dihydrogen phosphate solution from a small fruit period to an expanding period of the pineapples; and harvesting when the fruits of the pineapples grow to become golden yellow color or remaining the fruits on trees for 5-15 days and picking when the fruits become soft and the color is changed. According to the water culture method disclosed by the invention, the eating and planting requirements of the pineapples are met; and meanwhile, domestic ornamental planting of the pineapples can be realized and the limitation of planting regions is broken.

The invention discloses a shepherdia argentea caulicle regenerated plant induction culture medium and a method for performing plant culture by utilizing the culture medium, relates to a regenerated plant induction culture medium and a culture method, and aims to solve the technical problems of low rooting rate in a conventional shepherdia argentea clonal cutting culture method and low differentiation rate of plants cultured by an MS (murashige-skoog) culture medium. The culture medium consists of macroelement, trace element, iron salt, organic matters, hormones, sucrose and agar, wherein the hormones are 6-benzylaminopurine, zeatin and naphthalene acetic acid. The method comprises the following steps of collecting annual dormant shoots of shepherdia argentea from the second third of April and the first third of May, and performing hydroponic culture to obtain caulicles; washing and sterilizing the caulicles, inoculating the caulicles to the shepherdia argentea caulicle regenerated plant induction culture medium, placing the inoculated caulicles under a dark condition for culture after inoculation, and transferring the caulicles to a light condition for culture to obtain shepherdia argentea regenerated plants. According to the culture method, the tufted seedling inductivity reaches over 80 percent, meanwhile, the cost is lowered by 50 percent, and the seed nature purity is over 98 percent.

The invention discloses a hydroponic technology for Cinnamomum camphora seedlings, the technology mainly comprising following steps: (1) preparation of seedlings; (2) preparation of a nutrient solution; (3) preparation of containers; (4) transplantation of seedlings; (5) management of the nutrient solution; (6) management of seedlings. The hydroponic technology is innovative in that: the hydroponic method is adopted; the nutrient absorption of Cinnamomum camphora seedlings is deduced by a relation formula between the dosage of the nutrient solution and the conductivity, wherein the nutrient solution is prepared from tap water of northern Jiangsu, and the relation formula is y=0.011x<3>-0.0742x<2>+0.6111x-0.3722. By use of the hydroponic technology, nutritional environment conditions for Cinnamomum camphora growth are strictly controlled; the cost is low; root systems will not be harmed; the dynamic characteristic of root system growth is easy to observe; the accuracy and pertinence of test results are greatly increased.

The invention relates to a plant hydroponic culture method. The method includes steps: stock plant selection, to be more specific, flushing to clean a stock plant, cutting roots, and sterilizing the plant subjected to root cutting; planting, to be more specific, planting the sterilized plant into a matrix; root promoting culture, to be more specific, subjecting the plant planted in the matrix to root promoting culture under appropriate temperature and relative humidity and preset illumination conditions, wherein in a root promoting culture process, nutrient solution is sprayed, and when root system quantity of the plant is larger than or equal to eight, and the length of each root system is larger than or equal to 5cm, root promoting culture is stopped. By the plant hydroponic culture method, utilization of expensive intelligent culture systems in a traditional hydroponic culture process is avoided. In addition, the plant hydroponic culture method is simple and feasible, the plant survival rate can be increased remarkably, production cost in a culture process can be reduced while plant root promoting time is shortened, and accordingly the plant hydroponic culture method is remarkably improved both in terms of cost and economy.

Provided are a hydroponic culture member and a hydroponic culture method whereby a leaf vegetable or a fruit vegetable with stable qualities can be cultured and the yield can be increased. The hydroponic culture member 1 comprises a culture bed tank 2, a planting panel board 3, a convex member 4, a waterproof sheet 5 and a hydrophilic sheet 6. A seedling root pot 7 is placed on the convex member 4through a planting hole 3a of the planting panel board 3. Then, a culture solution is made to flow on the bottom face 2b of the culture bed 2 so that a plant is grown. From a venting space 8 locatedbetween a drainage channel 2e and the convex member 4, air (oxygen) is supplied to the roots.

The invention provides a citrus germination accelerating device and a hydroponic culture seedling raising method, and relates to the technical field of crop planting. The device comprises a box body (1) and a cover body (2); the top of the box body (1) is provided with an opening; the cover body (2) covers the box body (1); holes (3) are uniformly formed in the cover body (2). The device is used for hydroponic culture seedling raising, the 30-day germination rate can reach 92.3-97.3%, and the 90-day root rotting rate is only 6.3-12.3%. According to the method, citrus hydroponic culture under the non-aerobic condition is realized, and the problem of root rotting in the long-time citrus hydroponic culture is solved.

The invention discloses an automatic liquid changer for water culturing comprising a central processing unit; a touch display is installed on an upper side of the central processing unit; the centralprocessing unit is connected with a liquid feeding pump machine and a liquid drawing pump machine through leads; the liquid feeding pump machine is connected with a nutrient solution box through suction pipes. The invention is provided with a water level sensor to monitor the liquid level situation in the nutrient tank and the waste tank, and cooperates with an audible and visual alarm to prompt the user to change the liquid and discharge the waste liquid; the nutrient solution in the incubator is charged through the liquid feeding pump machine and the liquid drawing pump machine, reducing themanpower expenditure. In addition, the various components of the present invention are coordinated by the central processor. When the present invention is reworked, it only needs to manually set andchange the storage liquid and eliminate the stored waste liquid, which greatly reduces the manpower expenditure, and scientifically manages the replacement cycle of the nutrient solution in the hydroponics process, thereby reducing the waste of the nutrient solution and greatly improving the efficiency of hydroponic culture.

The invention relates to the technical field of horticultural fertilizers, is an indoor flower and tree soilless cultivation culture solution, the indoor flower and tree soilless cultivation culture solution product is prepared from potassium nitrate, ammonium sulfate, calcium nitrate, magnesium sulfate, sodium molybdate, ferric sulfate, manganese sulfate, sodium tetraborate, zinc sulfate, copper sulfate and potassium dihydrogen phosphate as raw materials by blending with water into a solution and then subpacking, the indoor flower and tree soilless cultivation culture solution uses the commonly needed plant growth inorganic fertilizer ammonium sulfate, potassium nitrate and potassium dihydrogen phosphate as base fertilizers, is supplemented by a variety of trace element fertilizers such as calcium nitrate fertilizer, magnesium sulfate, sodium molybdate, ferric sulfate, manganese sulfate, sodium tetraborate, zinc sulfate and copper sulfate as auxiliary materials, is rich in nutrition, and can fully meet the hydroponic culture flower daily growth need; the indoor flower and tree soilless cultivation culture solution may not produce mildew phenomenon and spoiled odor by fertilization, flowers and plants exuberantly grow without devegetation and weeding.

The invention discloses a method of utilizing floating bed hydroponic vegetables to annually decompose piggery biogas slurry and aims to solve the problem of aftertreatment of the piggery biogas slurry. The method includes: building a greenhouse, setting up a hydroponic system, preparing the biogas slurry, cultivating seedlings, planting, fertilizing and managing, harvesting, replacing the biogasslurry and the like. Supply of high-quality vegetables and up-to-standard discharge of piggery wastewater are realized. Nasturtium officinale and ipomoea aquatica which are suitable for hydroponics and high in stain resistance and purifying ability are selected, nasturtium officinale is subjected to hydroponic culture from October to March of the next year, and ipomoea aquatica is subjected to hydroponic culture from April to September, and annual decomposing of the piggery biogas slurry is completed through rotation of the two kinds of vegetables. By the method, safe and high-quality vegetables can be harvested, and nutritional liquid needed for hydroponic culture and cost for purifying the biogas slurry can be saved.