311results about How to "Improve photosynthesis efficiency" patented technology

The invention relates to a quick-acting multi-microorganism composite water flush fertilizer and a preparation method thereof. The quick-acting multi-microorganism composite water flush fertilizer is characterized by being prepared by mixing bacterial powder which is prepared by fermenting and culturing photosynthetic bacteria, pichiafermentanslodder, lactic acid bacteria, bifidobacterium, bacillus subtilis, bacillus licheniformis, brevibacillus laterosporus, bacillus megaterium, bacillus mucilaginosus, azotobocter chroococcum and actinomycetes. The density of the pichiafermentanslodder ACCC20319T in the quick-acting multi-microorganism composite water flush fertilizer is more than or equal to 2.0*10<8>cfu / g, and the densities of other bacteria are more than or equal to 2.0*10<9>cfu / g. The quick-acting multi-microorganism composite water flush fertilizer can improve the quality and yield of crops and shorten growth period of crops.

The invention discloses a large-scale photon capture bioreactor for water purification and aquaculture. The bioreactor comprises a lockable three-dimensional building space. Each plane layer in the lockable three-dimensional building space is provided with a sinuous water channel. Each channel is provided with a water inlet and a water outlet. A plurality of filtering units are installed in each water channel at intervals. In each filtering unit, plants are planted on the water surface by a floating planting method, and aquatic animal and microorganisms are underwater. Plant growth irradiating lights with adjustable height are suspended above the plants by the floating planting method. An impeller is installed at the lower end of the water outlet of the water channel in the upper layer. The impellers are connected to an electric generator. The water inlet of the water channel in a lower layer is installed below the corresponding impeller. Water to be purified is fed to the water inlet of the water channel in the top layer of the three-dimensional building space firstly. The bioreactor mainly has advantages of easily controllable quality, high reaction efficiency, small occupied space, low investment, convenient management, low operation cost, no pollution in the ecological production process, and significant economic benefit.

The invention relates to a method and a system for the mass production and the coupling carbon fixation and emission reduction of healthy green food common nostoc, which realize large-scale high yield and carbon fixation and emission reduction by using a semiclosed indoor pool on the basis of realizing the high yield of the common nostoc and disclose a structural principle of the pool and optimization conditions of seven basic elements for culturing the common nostoc. The method is suitable for the urban and rural large-scale production, is especially suitable for poor grain lacking regions and is also suitable for the food self-supporting production of global extreme environments and disasters and spaceman living environments. The invention provides a novel healthy green food for human and also realizes the emission reduction, the oxygen generation, and the environment improvement in the food production process.

The invention discloses an outdoor self-irrigating flowerpot which comprises an outer flowerpot body and an inner flowerpot body. The inner flowerpot body is connected with the inner bottom of the outer flowerpot body through a plurality of adjusting springs, a water storage cavity is formed in the lower portion of the outer flowerpot body, a water discharging and storing mechanism is arranged inthe water storage cavity, a starting groove is formed in the inner wall of the outer flowerpot body, a propelling spring is fixed at the inner bottom of the starting groove, a propelling block is fixed at one end, close to the inner flowerpot body, of the propelling spring, a pushing groove is formed in the upper end of the propelling block, and a partition plate is slidably connected in the innerwall of the pushing groove. The flowerpot has the advantages that a certain amount of irrigating water is stored in the water storage cavity and ejected under pushing of an extruding plate, ejectionof irrigating water flow is controlled by the weight of the inner flowerpot body, and the irrigating water flow can be timely supplemented and to irrigate plants after moisture in the flowerpot is lost according to a relationship between the weight of the inner flowerpot body and moisture in the inner flowerpot body, so that the plants are timely and effectively irrigated when in water shortage.

The invention discloses a three-dimensional pawpaw and pineapple cultivation method which comprises the following steps: 1, selecting a winter-warming type greenhouse; 2, improving the soil and adjusting the acidity, namely, deeply turning over the soil for 0.6-0.8cm before the greenhouse is built, and when the soil is deeply turned over, spreading 25m<3>+ / -5m<3> of cow dung per mu and meanwhile spreading 100kg+ / -25kg of sulfur powder per mu; 3, planting time, namely, planting in spring when the indoor temperature is more than 15 DEG C, wherein vegetatively propagated pawpaw seedlings which are planted within a period from October to November last year; 4, managing after planting, namely, fertilizing, drying, watering, managing the tree bodies and preventing and preventing and controlling diseases and insect pests; and 5, harvesting and packaging fruits. The three-dimensional cultivation mode is adopted on the basis of the height difference of pawpaw and pineapple plants and the different requirements on illumination intensity, the utilization rate of the greenhouse and the land is improved, and the economic and social benefits are high.

The invention discloses a special water-retaining and synergistic seaweed fertilizer rich in medium trace elements for chilli. The special water-retaining and synergistic seaweed fertilizer comprises the following raw materials in parts by weight: 100-360 parts of seaweed extract, 100-360 parts of ammonium nitrate phosphate, 100-380 parts of urea, 100-450 parts of monopotassium phosphate, 0-100 parts of calcium-magnesium phosphate fertilizer, 0-60 parts of EDTA chelated trace elements, 0-30 parts of biological synergist and 5-300 parts of filler. The special water-retaining and synergistic seaweed fertilizer disclosed by the invention is capable of promoting the root development of chilli, enhancing the disease-resistant capacity of the roots, stems and leaves of crops, increasing the content of chlorophyll, increasing the efficiency of photosynthesis, improving the photosynthesis of the crops, and increasing the activity of enzymes because an appropriate amount of trace elements necessary to the growth of chilli, and alginic acid are added; and meanwhile, absorption and utilization for the nutrients and water of soil are improved, the yield is greatly increased, and the quality is improved.

The invention relates to an agricultural shed plastic film, and particularly relates to a three-layer fragrant-flowered garlic. The shed plastic film provided by the invention is of a three-layer composite structure, wherein the outer layer is an anti-aging layer; the inner layer is a dripping fog disposal layer with the functions of dripping, and the middle layer is a light conversion layer formed by mixing resin, nano organic red additives and other functional additives. The agricultural shed plastic film provided by the invention has the advantages of good light quality regulating effect of the light conversion layer, small color attenuation velocity of the light conversion layer, great service life prolongation of the shed plastic film, obvious temperature preservation effect, crop pest disease and pest damage insulation and the like.

A high-yield culture method for lectuce tea tree includes chosing land as tea garden, carefully choosing the saplings, close transplanting, picking up tender leaf buds, pruning for high photosynthesis effect, and management.

The invention discloses a rice leaf color control gene heme oxygenase2 (HO2) and an application thereof. A gene which is cloned from a rice leaf control mutant ho2 and is proved to have the effect of controlling the color of a rice leaf is named after HO2. A transgene functional complementation assay proves that the HO2 is the gene which controls the color of the rice leaf. Comparative analysis on amino acid sequences shows that HO2 protein belongs to a hemeoxygenase protein family. Phenotype observation and biophysical analysis prove that the cloned gene has the effects of regulating and controlling the development of chloroplasts and then controlling the color of the leaf. The invention also discloses an application of the rice leaf color control gene HO2 in fine seed breeding and cross breeding by taking a green yellow leaf character as a marker character by using genetic engineering. The rice leaf color control gene HO2 is obtained by using a map-based cloning technology, and the effects of the gene is tested through the transgene functional complementation test. Therefore, the rice leaf color control gene HO2 has the effect of ensuring rice to keep an appropriate leaf color, so that the photosynthetic efficiency of the rice is improved, and finally the rice yield can be improved.

The invention provides a nostoc algae ecological-simulation culturing system and a culturing method. The culturing system comprises a culturing solution recovering tank (7), a multi-layer culturing shelf (1), multiple light irradiation device (3), a recovered solution filtering system (6) and at least one spray nozzle (12). The culturing method comprises the following steps: putting a culturing tray with holes on the multi-layer culturing shelf; when inoculating, uniformly spreading algae seeds in the culturing tray with holes, wherein the inoculation algae seeds obtained by aseptic culturing are the algae seeds with the diameter of 1-2mm, the inoculation density is controlled to be 0.5-1g / cm<2> and the inoculation thickness is 1-2cm; spraying a culturing solution on cultures, and controlling light irradiation and culturing temperature. According to the method, 80% of water can be saved, spheres do not rupture easily in the process of culturing nostoc commune, the wild algae pollution resisting capability of the nostoc commune is high, the rate of wild algae pollution is low, and the content of dry matter in the produced nostoc commune can be up to 8%.

A pruning method for the bamboo forest aimes at producing bamboo shoots includes such steps as removing the top part of each bamboo from September to December, and pruning off the 1 / 3 of top for each twig.

An array of photovoltaic panels comprising a plurality of primary branches extending radially outwardly from a central trunk, and a plurality of photovoltaic panels joined to the primary branches, wherein the primary branches extend outwardly from the trunk in a spiral arrangement having a ratio of x turns around the trunk for every y primary branches. The ratio of x:y may be derived from a phyllotaxic arrangement of branches and leaves on a plant. X may be a Fibonacci number, with y being its Fibonacci second successor. The ratio of x / y may be selected from certain Fibonacci ratios, including 1 / 3, 2 / 5, 3 / 8, and 5 / 13. A method of converting electromagnetic radiation to electrical energy, and a method of making a device for converting electromagnetic radiation to electrical energy in accordance with the invention are also disclosed.

The present invention discloses one kind of acid silica sol and is especially one kind of acid silica sol applied in treating human and animal excrement and garbage. The acid silica sol has concentration of 25-35 wt%, SiO2 grain diameter of 1-12 nm and pH 2-4, and may be used to replace microbe in treating human and animal excrement and garbage to eliminate offensive odor and to produce efficient organic fertilizer. The organic fertilizer is superior to available fertilizer in that it will be dissolved slowly for plant to absorb fully and has slow releasing, water maintaining and silicon replenishing functions.

The invention provides a transparent based-membrane and transparent resin layer. At least one of based-membrane and resin layer contains UV absorbers, and the transmissivity of ultraviolet which wavelength is 380nm is set at 60% or less. The surface of resin layer is provides a great amount of irregular objects, the total transmissivity is 85% or more and the diffusion transmissivity is 6% or more.

The invention belongs to the field of genetics and breeding, in particular relates to a rice plant type related gene RL10 and application thereof. The rice gene RL10 has a sequence as shown in SEQ ID NO.1, and the rice gene RL10 codes F-box proteins and controls the polar growth of rice leaves and the morphogenesis of rice panicle traits. The gene can improve the plant types and the panicle types of the prior species, improve the yield, and has wide application prospect in the high-yield breeding of rice.

The invention discloses a preparation method of a leaf vegetable nano leaf fertilizer. According to the method, raw materials are smashed and decomposed into nano-scale materials through high-temperature stirring, electron beam irradiation and ultrasonic treatment based on lignin containing a net structure and active radicals in papermaking black liquid, and the adsorptive property of the lignin is increased, so that a phosphate fertilizer, a nitrogen fertilizer, a potash fertilizer, imino disuccinate chelated microelements, two conditioners such as rapin and biochemical fulvic acid and nanometer titania are adhered and bonded together to prepare the leaf vegetable nano leaf fertilizer. The preparation technology is simple, low in cost and high in controllability, the prepared leaf vegetable nano leaf fertilizer is scientific in proportioning of the raw materials and high in total nutrient content, the product is mixed with water, the mixture is sprayed and applied onto leaves of leaf vegetables, so that on one hand, nutrients of the leaf fertilizer can be fixed on the leaves, drifting, leaching loss and evaporation of the fertilizer are reduced, on the other hand, nutrient absorption and movement inside the leaves of the leaf vegetable fertilizer can be promoted, and the absorption and utilization rate is high.

The present invention relates to culture of marine green algae, and is especially the process of fast cultivating marine green algae. The process includes sterilizing and cooling natural sea water and adding trace nutritious elements to form the culture medium; inoculating marine green algae in the density of (5.0-6.0)x10 cells / ml; and lighting culturing in the liquid surface illumination intensity of 3500-4000 Lx and lighting / no-lighting time ratio of 12-14 to 12-10 for 6-8 days to reach algae density of (2.0-2.5)x10 cells / ml. The process has slow change of pH in the algae liquid, high chlorophyll content each algae cell unit and large algae cell. The present invention uses trace elements in culturing marine green algae, and has fast algae cell growing rate and high chlorophyll content each algae cell unit.

The invention discloses a pink light conversion multi-functional heliogreenhouse film, which is prepared from the following raw materials in percentage by weight: for the outer layer, 30-50% of LLDPE, 20-40% of LDPE, 20-30% of mLLDPE and 8-10% of multi-functional master batch; for the middle layer, 10-20% of LLDPE, 20-30% of LDPE, 30-40% of EVA, 13-15% of multi-functional master batch and 4-8% of pink fluorescence conversion master batch; for the inner layer, 25-35% of LDPE, 50-60% of EVA and 10-20% of multi-functional master batch, wherein the multi-functional master batch is prepared from the following raw materials in percentage by weight: 10-20% of LLDPE powder materials, 50-65% of EVA, 3-5% of hindered amine light stabilizer, 1.5-2.5% of anti-oxidant, 1.5-2.5% of ultraviolet absorbent, 10-15% of dripping agent, 3-4% of anti-fogging agent, 2-3% of thermal insulating agent and 1.5-2.5% of organic fluorescence conversion agent, the pink fluorescence conversion master batch is prepared from the following raw materials in percentage by weight: 10-20% of LLDPE power materials, 25-40% of EVA, 10-20% of LDPE, 1.5-2.5% of anti-oxidant, 3-5% of dispersant, 3-5% of lubricant and 30-40% of organic fluorescence conversion agent.

The invention relates to a greenhouse CO2 gas fertilizer increasing method, device and system. The method comprises the following steps that: environment information and the photosynthetic rate value of crops in a greenhouse are acquired; with the environmental information and the photosynthetic rate value respectively adopted as an input variable and an output variable, an SVM-based photosynthetic rate prediction model can be established; a relation curve graph between CO2 concentration and photosynthetic rate under the interaction effect of various environmental factors can be obtained through analysis; a CO2 concentration saturation point corresponding to a maximum photosynthetic rate value under combined conditions of specific environmental factor variables is obtained from the relation curve graph; a CO2 increase adjustment and control model is established; and CO2 supply quantity is calculated, and CO2 is increased in the greenhouse under control. The device comprises a data acquisition unit, a photosynthetic rate prediction model establishment unit, an analysis and processing unit, a CO2 increase calculation unit and an execution control unit. With the CO2 gas fertilizer increasing method, device and system of the invention adopted, optimal CO2 supply quantity can be calculated fast and accurately, and fine adjustment and control of CO2 gas fertilizer increase can be realized, and the photosynthetic efficiency and yield of the crops can be improved.

The invention provides a microalgae tube type reactor and a system thereof, and belongs to the field of bioengineering. The microalgae tube type reactor comprises a stirring and circulating mechanism, wherein the stirring and circulating mechanism comprises a stirring internal mechanism and a stirring external mechanism; the stirring internal mechanism comprises a fixed guide rod and a stirring ball; the stirring external mechanism comprises a guide rail, a traction belt and a guide magnetic block; a guided magnetic block is embedded in one side, which is tangent with the inner wall of a pipeline, of the stirring ball; and the guided magnetic block is arranged corresponding to the guide magnetic block and can realize magnetic guide movement by a pipeline. A microalgae tube type reaction system comprises the microalgae tube type reactor; and an automatic valve is arranged at a liquid discharge port. The microalgae tube type reactor realizes stirring and circulation of microalgae by utilizing movement of the stirring ball; compared with the prior art, mechanical damage to the microalgae caused by mechanical stirring is greatly reduced; the microalgae tube type reaction system further perfects the microalgae tube type reactor.

The invention relates to a repairing device and a repairing system for an air replacing environment. The repairing system comprises at least one repairing device for the air replacing environment, and a central unit, wherein the repairing device has a function of repairing the environment; the central unit is connected with the repairing device for the air replacing environment; an onsite controller is connected with an accessing device of a control system through a communication line; and the accessing device of the control system is connected with a BACnet building automatic control system. According to the invention, carbon and oxygen replacement and energy storage are creatively combined and integrated; a plurality of scientific leading technologies, such as solar energy comprehensive utilization, plant cultivation, energy storage, wired and wireless intelligent control, BACnet intelligent system, wireless passive energy collection, air condition and energy conservation and wind energy, are combined; the environment repairing, air replacement and renewable energy source storage volume are designed according to local conditions; the repairing device can be used for commercial and civil indoor air environment IAQ (Indoor Air Quality) repairing, is connected with the present building automatic control system, is used for large-size urban environment repairing engineering, is used for automobile exhaust treatment and can be formed into a large-size environment repairing system.

The invention relates to a device and method for automatic tobacco three-dimensional floating seedling raising. The device comprises a PLC control system and a nutrient liquid circulation system, a lighting system, a temperature and humidity regulation system and an air circulation system which are connected with the PLC control system, wherein the nutrient liquid circulation system is connected with a plurality of hydroponic racks, each hydroponic rack is provided with a plurality of layers of planting troughs, and each planting trough is provided with a seedling raising tray; a liquid inletand a liquid outlet are formed in each layer of the planting troughs, the height of the liquid outlets is adjustable, and each seedling raising tray comprises a plurality of hole cavities which are evenly formed and used for accommodating substrate sowing holes; and the bottom of each hole cavity is further provided with a bottom hole, and after a nutrient solution is added into the planting troughs, the seedling raising trays float on the planting troughs. The temperature, humidity, illumination time and other environmental parameters of the internal environment can be regulated artificially,so that the effects of illumination, season, temperature and humidity and other natural conditions on field floating seedling raising of tobaccos are eliminated, the uncertainty caused by weather isreduced, and the emergence rate of tobacco seeds can be increased significantly.

The invention discloses a mining area land repair agent and a repair method. The repair agent includes the components by the mass percentage: 60%-70% of an organic matter, 1%-3% of a nitrogen fertilizer, 1%-3% of a phosphate fertilizer, 0.5%-2% of a potash fertilizer, 15%-20% of humic acid, 10%-15% of a mineral powder and 10%-15% of a water retention agent. The repair method comprises the steps: deeply plowing mining area land, thoroughly plowing the land, harrowing the land to be broken and smoothing; applying the water retaining agent to the soil; applying the mining area land repair agent to the soil; and sowing alfalfa seeds in the soil, and managing after seedling emergence. The mining area land repair agent provided by the invention can quickly repair the land, cannot cause secondary pollution on the soil, fully complements plant essential elements in the soil, and enhances the activity of the soil; and the method greatly reduces the cost of repairing the soil, and has the advantages of economy, environmental protection, high repair efficiency and easy popularization.

The invention discloses a compound fertilizer for wheat production increase. The compound fertilizer is characterized by comprising the following raw material components in parts by weight: 50-60 parts of bran dregs containing 8-12% of bamboo shoot skin, 7-9 parts of pig manure, 2-3 parts of molasses, 1.2-1.5 parts of a fermenting agent, 8-12 parts of urea, 3-5 parts of calcium superphosphate, 3-5 parts of monopotassium phosphate, 3-5 parts of a micronutrient fertilizer, 4-6 parts of citrate soluble magnesite, 8-10 parts of fulvic acid containing 12-15% of turfy soil and 0.8-1.2 parts of a plant growth regulator. According to the compound fertilizer provided by the invention, the fermentation time is shortened, the prepared fermented fertilizer is high in loose degree, the organic content can reach 30% or above, the content of nitrogen phosphorus and potassium nutrients is 26-28 g / kg, the nutrients are abundant and can be quickly absorbed by crops, the soil moisture preserving and fertilizer retaining capacity is improved; the multi-element fertilizer is a nutrient substance necessary for crops, can be quickly absorbed, transferred and utilized by crops; with the advantage that acid radicals are neutralized and nutrients are provided by citrate soluble magnesite, as well as the promoting effect of the growth regulator on crop growth, the efficacies of enhancing drought resistance and stress resistance as well as promoting growth of crops are achieved.

The invention provides a magnetic biochar composite material preparation method based on microalgae. The preparation method at least includes the steps: firstly, adding microalgae and water in a hydrothermal reaction kettle to prepare a microalgae suspension; then successively adding an iron salt, an organic acid and a catalyst in the microalgae suspension, sealing, and then introducing a protective gas to displace air in the reaction kettle; placing in an oven, and carbonizing, to prepare a magnetic biochar composite material having the advantages of stable structure, controllable morphology, stronger magnetism and easy magnetic separation and having the surface rich in carboxyl functional groups. Compared with the prior art, by adding a small amount of the organic acid and the catalyst, the hydrothermal 'one-step method' is carried out to achieve primary biomass green preparation of the Fe3O4 magnetic biochar composite material, and the method is simple to operate, economic, efficient, and friendly to the environment, and has a relatively great potential application value.

The invention relates to the cropping system and cultivating mode belonging to the agricultural field and is a cultivating method for changing the ridge direction and widening the ridge distance, comprising: changing the ridge direction to south- southwest 15-20 deg to make the ridge direction coincidence with the direction of sunlight radiation in summer in northern areas, designing the large ridge distance to be 1.6-1.7 m, the small ridge distance to be 0.3-0.4m in accordance with the maximum projected length of corn in northern areas, the large ridge and small ridge forms the combined ridge of two rows with the width being 2 m. The direct irradiating time for the whole plant is 3.5 hours every day and the time for the upper part of the plant is more than 6 hours.

The invention provides a melastoma dodecandrum lour planting method, and particularly relates to the technical field of plant cultivation. The method adopts a mode for planting melastoma dodecandrum by using a seedling solution for rooting culture of cutting strips. Firstly, the cutting strips are placed and soaked in rooting water, cultivating and rooting are conducted with the seedling solution,field planting is conducted in a planting field, when water and fertilizer management is carried out, a vine enhancing agent and a fruit promoting agent are sprayed at the right time, the rooting rate of the cutting strips is over 98%, the total flavonoid content of active ingredients of a plant is above 35mg / g, which makes fruits have a heavy weight, enough sweetness and high yield, the shelf life of fresh fruits is prolonged to more than 20 days, so that the fresh fruits keep the original taste and freshness and do not easily rot, and the planting method is green, environmentally friendly,easy to operate, convenient to manage and suitable for scale and industrialization popularization.

A process for preparing organic fertilizer from garbage, excrement and urine includes such steps as flocculating the excrement and urine, press filtering, mixing it with organic garbage, high-temp sterilizing at 120-150 deg.C, adding acidic SiO2 sol at 25-60 deg.C, and stirring.

The invention belongs to the field of plant gene engineering and in particular relates to a paddy rice photosensitivity semi-rolled leaf (PSL1) gene cloned by a map-based cloning technology, a function for verifying the gene by using a transgenic complementation experiment, and an application of the gene. The gene is used for regulating and controlling the development of bulliform cells and vascular bundles of paraxial surfaces of leaves, influencing the morphological development of the leaf, and adjusting the water transportation rate of the leaves, so that an ideal plant of paddy rice can be molded, a germplasm material for drought-resistant breeding can be creased, and the yield of crops can be improved. In the invention, a protein encoded by the paddy rice photosensitivity semi-rolled leaf (PSL1) gene has an amino acid sequence shown by SEQ ID No:2, and the gene for encoding the protein has a nucleotide sequence shown by SEQ ID No:1.

The invention relates to a method for improving plant traits and discloses for the first time a novel plant improving method with improvement of light use efficiency of a plant as a purpose. According to the method, a light energy absorption and transduction protein (LEAT protein) is expressed in a plant, absorbed light energy interacts with related methylquinone derivatives, e.g., plastoquinone, in the plant to catalyze cracking of water and release oxygen, so light use efficiency of the plant is improved. The method provided by the invention can effectively expand use of light energy by the plant and increase photosynthetic efficiency and yield.