91results about How to "Improve photosynthesis efficiency" patented technology

The invention provides an application of a small molecule peptide in a nitrogen fertilizer. Wherein the small molecule peptide is N-(1-oxopropyl)-L-isoleucyl-L-isoleucyl glycyl-L-leucinamide (PAPA), and the small molecule peptide is N-(1-oxopropyl)-L-isoleucyl-L-isoleucyl glycyl The invention provides application of PAPA as a synergist in promoting plants to absorb nitrogen elements in a nitrogen fertilizer. The mass ratio of PAPA to the nitrogen elements in the nitrogen fertilizer is (1: 10)-(1: 12000). The invention further provides application of the small molecule peptide composition in promoting plants to absorb nitrogen elements in nitrogen fertilizer, and the small molecule peptide composition comprises PAPA. The PAPA and the nitrogen fertilizer are uniformly mixed and then applied to crops, so that the growth of crop roots can be promoted at low temperature, the water absorption of the crops is improved, the photosynthesis efficiency of plants is promoted, the growth rate of the plants is increased, the demand on the nitrogen fertilizer is improved, the utilization rate of nitrogen elements is increased, and the absorption of the crops on the nitrogen elements in the nitrogen fertilizer is increased; and the purpose of increasing both production and income is achieved.

The invention relates to the technical field of fertilizer production, and discloses a water-soluble fertilizer formula based on macroelements in gobi regions and a preparation process of the water-soluble fertilizer formula. The fertilizer comprises the following components in parts by weight: 30-50 parts of a nitrogen fertilizer, 40-80 parts of a phosphorus fertilizer, 80-150 parts of a potassium fertilizer, 5-10 parts of a chelating agent, 10-20 parts of a water-retaining agent, 15-30 parts of a soil conditioner, 8-15 parts of a modified composition and 2-5 parts of a trace element composition. Comprising the following steps: S1, raw material pretreatment, S2, mixing and stirring, S3, trace element addition, S4, granulation and drying, and S5, quality detection and packaging. The proportion of the nitrogen fertilizer, the phosphate fertilizer and the potash fertilizer is reasonably adjusted, the special requirements of crops in the gobi region for macroelements are met, the soil structure in the gobi region is effectively improved, the physical property of the soil is improved, and the soil acidity and alkalinity can be adjusted.

The invention relates to the field of sewage purification, in particular to a fluorine-containing polymer chemical sewage environment-friendly purification device which comprises a fixed seat, a box body, a cover plate, a water inlet pipe, a water outlet pipe and the like, the fixed seat is fixedly connected with a box body made of a toughened glass material; the box body communicates with a water inlet pipe; the box body communicates with a water outlet pipe; the system further comprises an illumination sensor and the like. An annular groove is formed in the box body; the cover plate is fixedly connected with an illumination sensor. When sunlight is strong in daytime, the lamp tube is turned off, the electromagnet is powered on, the electromagnet and the magnetic attraction block attract each other under the action of magnetic force, then the electric guide rail I is controlled to enable the moving block I to drive the lamp tube to rotate, and then the lamp tube enables the electromagnet and the magnetic attraction block to pull the filter film which is in a folded state initially till the filter film is in an unfolded state; furthermore, strong sunlight is filtered through the light filtering film, so that the intensity of light entering the box body is reduced, and the situation that algae organisms are damaged by too strong sunlight and the activity of the algae is reduced is avoided.

The invention provides a special fertilizer for highland barley in Tibet high-altitude areas, which specifically comprises a matrix, a base fertilizer, an organic fertilizer, a trace element fertilizer, a modifier and a nutritional agent in a mass ratio of 100: 50: 100: 1: 15: 3, the substrate comprises loam, river sand and bentonite; the base fertilizer comprises nitrogenous fertilizer, phosphatic fertilizer and potash fertilizer; the organic fertilizer comprises bran, decomposed straw, decomposed excrement, plant ash and aquatic animal powder; the modifier comprises wormcast, silkworm excrement, perlite and vermiculite; the nutritional agent comprises compound vitamins, glucose, honey and compound amino acids; the raw materials used in the method are green, safe and pollution-free, the soil structure is improved while nutrient substances needed by highland barley growth are provided, the bran, the straw, the decomposed excrement and other agricultural wastes are used, cost is saved, efficiency is improved, and the utilization rate of resources is increased.

The invention discloses a foliar fertilizer for improving the toughness of expanded leaves and long leaves of economic forest crops and a preparation method and an application method of the foliar fertilizer, and relates to the technical field of foliar fertilizers, the foliar fertilizer for improving the toughness of expanded leaves and long leaves of economic forest crops comprises the following components: a nitrogen-phosphorus-potassium compound according to a weight ratio of 15-5-20; the weight concentration of the boron-sugar alcohol compound is 0.05 percent to 0.1 percent; the weight concentration of the zinc-amino acid compound is 0.02 percent to 0.08 percent; the weight concentration of the chitosan nano particles is 0.01 percent to 0.05 percent; the weight concentration of the humic acid compound is 0.1 to 0.2 percent; the invention also provides a preparation method and an application method of the foliar fertilizer for improving the toughness of leaf expansion and leaf growth of economic forest crops. According to the foliar fertilizer disclosed by the invention, through scientific combination of nutritional ingredients, the broadening degree, length and toughness of economic forest crop leaves are remarkably improved, the photosynthesis efficiency is enhanced, the leaves are not easy to damage, and the overall yield and quality of crops are improved.

A spiral pruning method for crisp and honey kumquats is characterized in that when fruit-bearing branches are hung, branch hanging is carried out step by step from top to bottom in a layered mode, two vertically-adjacent layers of fruit-bearing branches are staggered to form a multi-layer three-dimensional tree crown structure, and after branch hanging work is completed, the whole shape of the hung branches is in a spiral rising shape. Comprising the following steps: (1) erecting a supporting rod; (2) trunk selection and culture; (3) main branch selection and arrangement; (4) selecting, remaining and pruning side branches; (5) branch hanging and the like. According to the spiral pruning method for the crisp and honey kumquats, the layout mode remarkably improves the ventilation and light transmission conditions of tree crowns, the photosynthesis efficiency is improved, and uniform distribution and maturity of fruits are promoted.

The invention relates to the technical field of soil improvement, and discloses a soil improvement fertilizer and application thereof in saline-alkali soil improvement, a preparation method of the soil improvement fertilizer comprises the following steps: mixing cow dung, chicken manure and straw, and carrying out anaerobic fermentation to obtain an organic fertilizer; mixing soybean, corn and seaweed, performing enzyme catalysis treatment, and extracting to obtain an amino acid liquid fertilizer; soaking brown algae in hot water, filtering and concentrating to obtain a seaweed extract; uniformly mixing silicate minerals, natural gypsum powder, the organic fertilizer, the amino acid liquid fertilizer and the seaweed extract, and sequentially drying and crushing to obtain the soil improvement fertilizer. According to the soil improvement fertilizer disclosed by the invention, various components such as the organic fertilizer, the amino acid liquid fertilizer, the seaweed extract, the silicate minerals and the gypsum powder are meticulously proportioned, so that the soil fertility can be remarkably improved, the soil structure is optimized, the growth of plant root systems is promoted, the stress resistance of plants is enhanced, and the sustainable utilization of soil is improved for a long time.

The invention discloses preparation and application of a microbial agent and a metabolite for sweetening fruits and vegetables, by introducing a specific microbial strain and the metabolite thereof, sugar accumulation of the fruits and vegetables in the growth process can be effectively promoted, and the sweetness of the fruits is directly improved. The microbial strains are carefully screened, so that a beneficial microenvironment can be established in a plant body or around a root system, the sugar metabolism process of the plant is promoted, meanwhile, the photosynthesis efficiency is improved, more carbohydrates are accumulated in fruits, and finally, the natural sweetening effect of the fruits and vegetables is achieved. Besides, natural plant extracts and microbial metabolites are adopted as main components instead of traditional chemical sweeteners, so that potential negative effects on crop quality are greatly reduced.

The invention discloses a photoconductive enhanced osmunda culture'light tree 'bioreactor for CO2 capture and resource utilization. The bioreactor comprises a transparent tank body made of a transparent material, and refractive fibers and hollow fibers are embedded in the transparent tank body. The refractive fiber is made of a high-light-conductivity material, can introduce and uniformly distribute an external light source into the whole bioreactor, and provides necessary illumination conditions for microalgae. The reactor can effectively capture carbon dioxide and utilize microalgae for resourceful culture. The reactor system provides a suitable microalgae growth environment with sufficient light and sufficient carbon sources for microalgae through gas-liquid separation, and promotes rapid growth of microalgae. The reactor can be applied to the fields of industrial waste gas treatment, greenhouse gas emission reduction, biological energy production, aquaculture wastewater and the like. A CO2 trapping technology is organically combined with a CO2 biosynthesis and resource utilization technology, so that efficient trapping and resource utilization of CO2 are realized.

The invention discloses a method for accelerating a rice breeding process based on LED illumination, and belongs to the technical field of agriculture. According to the precise regulation and control method based on LED illumination, an LED spectrum combination and photoperiod scheme suitable for different growth stages of rice is designed, in combination with optimization of illumination intensity, uniformity and dynamic spectrum, rapid growth, blooming and fruiting of plants are effectively promoted, the photosynthesis efficiency is improved, high-yield and high-quality rice cultivation is finally achieved, and the method is suitable for large-scale popularization and application. Through dynamic spectrum regulation and control, accurate temperature and humidity adjustment and multi-generation rapid screening processes, the growth cycle of rice is greatly shortened, meanwhile, accurate nutrition supply is combined, plants with target characters are rapidly screened out, the breeding efficiency is improved, and through linkage optimization of illumination, temperature and humidity and nutrition regulation and control and combination of an automatic irrigation technology, the breeding efficiency is improved. Manual intervention and management errors are remarkably reduced, the environment control precision is improved, and the method has high adaptability and expansibility and can be widely applied to phytotron planting of other crops.

The invention provides a preparation method of detoxified sweet potato seedlings, which comprises the following cultivation steps: cleaning sweet potatoes, putting the sweet potatoes in a degerming solution for accelerating germination, disinfecting new stem tips, and putting the stem tips in a culture medium I for culture to obtain sweet potato stem tips; when 4-5 leaves grow on the stem tips of the sweet potatoes, stem tip meristem tissue is inoculated into a culture medium II and cultured into 8-9 stem segments, and sweet potato seedlings are obtained; sweet potato seedlings are transplanted to a seedling raising plate containing a nutrient medium and cultured for 30-35 days in an artificial climate chamber, and the seedlings are transplanted to soil for breeding. According to the preparation method of the detoxified sweet potato seedlings, the growth condition of the sweet potato seedlings is remarkably improved, the plant height, the root system number and the root system length of the sweet potato seedlings are increased, the net photosynthetic rate (Pn) and the stomatal conductance (Gs) of the detoxified sweet potato seedlings are remarkably improved, and healthy growth of sweet potatoes in the seedling stage is facilitated.

The application discloses a preparation method of carbon dot material based on blue bacteria, and the carbon dot material is prepared by taking blue bacteria photosystem pigment as raw material. The semiconductor fluorescent carbon dot prepared by the method has stable properties, has wide spectrum absorption to sunlight, can convert ultraviolet light, visible light and infrared light into red light, and has good photoelectric performance. The application further discloses a preparation method of a blue bacteria-based semiconductor fluorescent carbon dot-blue bacteria hybrid, and application of the carbon dot material based on blue bacteria in crop production.

The invention discloses a cultivation management method for improving the photosynthesis efficiency of rice in a rice-shrimp co-cropping mode, and the method comprises the following steps: 1, precise sowing: employing a special seedling raising tray, and controlling the number of seeds; 2, disc stacking, darkening and seedling finishing; step 3, controlling water and carrying out dry raising to prolong the seedling raising time; step 4, modifying a rice and shrimp field; 5, wide-narrow row staggered-hole transplanting is conducted, and the photosynthesis efficiency of the rice is improved; step 6, carrying out peak shifting seedling casting; step 7, carrying out peak shifting fishing to delay the fishing time and stagger the market low position to improve the income; according to the method, the rice transplanting time is delayed by adopting a long-seedling-age tray-raised blanket-shaped medium seedling and strong seedling cultivation method for rice, so that the marketing time of the crayfish in the second season is delayed, the price valley of the crayfish market is effectively staggered, and the income is increased; more sufficient illumination is provided by utilizing a wide-row area on the rice field, so that the photosynthesis efficiency of leaves is effectively improved, and the yield is further improved.

The present application relates to the technical field of fertilizer, in particular to an organic leaf fertilizer and a production method thereof.The present application solves the problems of poor fertilizer efficiency and easy damage to soil structure.The present application improves the soil organic matter content of the organic leaf fertilizer by changing the dosage of kelp, the temperature and time of ultrasonic and the dosage of kelp extract; improves the relative content of plant chlorophyll of the organic leaf fertilizer by changing the dosage of earthworms, trypsin and amino acid extract; improves the soil porosity of the organic leaf fertilizer and reduces the soil bulk density by changing the dosage of shrimp shells, the temperature of removing protein and the dosage of chitosan extract; increases the plant leaf thickness of the organic leaf fertilizer by changing the dosage of straw and the dosage of cellulose extract; and improves the fertilizer utilization rate of the organic leaf fertilizer by changing the temperature and time of stirring and the time of emulsification and grinding.

The invention relates to the technical field of application of agricultural pollination insects, in particular to a field pollination method for megachile megachile. The invention provides a field pollination method for megachile megachile. The method comprises the following steps: a preparation stage: preparing incubation, arranging a honeycomb and preparing a nest plate; in the pollination stage, megachile clover is released, nesting conditions are observed, and disease and pest control is carried out; and a recovery treatment stage. The method can effectively improve the fruiting performance of alfalfa.

The invention belongs to a fruit tree cultivation technology, in particular to a fruit tree pruning method based on branch-leaf-root synchronous growth, which is suitable for a fruit tree with at least three main branches. Different from a traditional strong-removing and strong-remaining method, the method adopts a weak-removing and strong-remaining strategy, and synchronous growth of branches, leaves and roots is realized through the following steps: firstly, performing head removing treatment on a main branch I, reserving 75-85% of length, selectively reserving vigorous branches of more than 1m, and forming inverted branches; in the second year, girdling the inverted branches to promote flower bud formation; after the fruits are harvested in the third year, the fruiting branches are cut off, and the second main branch is subjected to the same treatment; in the fourth year, the first main branches grow new branches again, and the process is repeated. According to the method, the main branches are trimmed and updated in turn, so that continuous growth and fruiting of the trees are kept, the yield and the fruit quality are improved, meanwhile, the influence on the environment is reduced, and the method has important economic and ecological values.

The invention discloses a method for cultivating high-starch potatoes through grafting, and relates to the technical field of potato cultivation. The method comprises the following specific steps: (1) cultivating a high-starch potato stock and a common potato scion; (2) grafting the rootstock and the scion; (3) grafted plant treatment; (4) domestication treatment: carrying out stress treatment on the grafted seedlings for 10-15 days, then transferring the grafted seedlings outdoors for culture, and harvesting tubers; and (5) screening of high-starch germplasm: selecting tubers with high starch content for planting, repeatedly domesticating for 2-3 generations, and harvesting tubers to obtain the high-starch potato germplasm. According to the method, the high-starch potato seedlings and the common potato seedlings are grafted, aeroponic culture management is performed after grafting, domestication treatment is performed, the starch content of the grafted potatoes can be increased, and after multi-generation domestication, the high-starch potato germplasm is obtained through breeding. According to the method, the variety breeding process is shortened, and the problem that the high-starch potato germplasm is not created by adopting a grafting method at present is solved.

This invention provides the application of polyferric sulfate in improving plant salt stress resistance and / or improving saline-alkali land, belonging to the field of agricultural technology. The polyferric sulfate application provided by this invention can effectively improve the germination ability of plant seeds under salt stress, effectively enhance the activity of plant antioxidant systems and photosynthetic efficiency, thereby effectively improving the survival rate and growth performance of plants under salt stress. Simultaneously, polyferric sulfate can effectively reduce the EC value of saline-alkali soil, thereby effectively improving the germination rate of plant seeds in saline-alkali land and effectively improving saline-alkali land. This invention is simple to operate, low in cost, and environmentally friendly, suitable for enhancing the salt and alkali tolerance of plants, and has broad application prospects.

The invention discloses a CO2 concentration intelligent adjustment and control method based on an agricultural intelligent connection platform. The method comprises the following steps: collecting environmental parameters of an environment where crops are located; performing data preprocessing on the environmental parameters to obtain processed data; training a maximum photosynthesis efficiency prediction model by using the processed data to obtain a trained prediction model; inputting the current environmental parameters into the trained prediction model to obtain the predicted maximum photosynthesis efficiency; searching the relationship between the maximum photosynthesis efficiency and the CO2 concentration in the corresponding environment to obtain the optimal CO2 concentration corresponding to the predicted maximum photosynthesis efficiency; the CO2 concentration of the environment where the crops are located is adjusted to be the optimal CO2 concentration. The CO2 concentration around crop leaves can be systematically analyzed and controlled, so that stable growth of crops is guaranteed.

The invention discloses Mn < 4 + > activated dark red light emitting fluorescent powder for plant growth as well as a preparation method and application thereof, and belongs to the technical field of solid luminescent materials. The chemical formula of the fluorescent powder is La2-2x-zA2xMg (Al1 / 2-x-zWz, Ta1 / 2 + x) O6: yMn < 4 + >, A is one or a combination of more of Ca, Sr and Ba, and x is more than or equal to 0 and less than or equal to 1 / 2; y is more than 0 and less than or equal to 0.3; z is more than or equal to 0 and less than or equal to 1 / 2; x + z < = 1 / 2. The fluorescent powder synthesized by the invention can effectively convert ultraviolet light and part of visible light in sunlight into far-red light, has the characteristics of high quantum efficiency, good water stability and good overlap between an emission spectrum and an absorption band of plant phytochrome, and is applied to a light conversion film to supplement light for stem and leaf plants and melon and fruit plants; the photosynthesis efficiency can be effectively enhanced, the growth cycle is shortened, the plant yield and the fruit quality are improved, and good application prospects are achieved in the field of plant cultivation.

The invention discloses a refractive braided tube hollow fiber membrane light tree bioreactor. The bioreactor comprises a transparent tank body made of a transparent material, the inner layer of a membrane wire is a refraction braided tube, the outer layer of the membrane wire is a polymer film with biological friendliness, and the refraction braided tube is used for introducing and uniformly distributing an external light source into the whole bioreactor to provide necessary illumination conditions for microalgae. The reactor can effectively capture carbon dioxide and utilize microalgae for resourceful culture. The reactor system provides a suitable microalgae growth environment with sufficient light and sufficient carbon sources for microalgae through gas-liquid separation, and promotes rapid growth of microalgae. The reactor can be applied to the fields of industrial waste gas treatment, greenhouse gas emission reduction, biological energy production, aquaculture wastewater and the like. A CO2 trapping technology is organically combined with a CO2 biosynthesis and resource utilization technology, so that efficient trapping and resource utilization of CO2 are realized.

The utility model belongs to the technical field of water and fertilizer irrigation, and discloses an intelligent plant water and fertilizer integrated irrigation system which comprises a water storage tank, a water inlet pipe is embedded in the top of one end of the water storage tank, a water pump is installed at the other end of the water storage tank, and a water spraying pipe is installed at a water outlet of the water pump. Spraying pipes are embedded into one end of the water spraying pipe at equal intervals; a rainwater recycling mechanism is installed at the top end of the water storage tank and comprises a positioning cover fixedly installed at the top end of the water storage tank, filter cloth is connected to the inner wall of the positioning cover in a sewn mode, a positioning sleeve is installed in the filter cloth in a sewn mode, and a round rod is integrally formed at the top end of the positioning sleeve. According to the rainwater collection device, external rainwater can be conveniently collected, the rainwater collection difficulty is changed, the purpose of recycling rainwater is achieved, dirt left on the surface of the filter cloth can be conveniently cleaned, the problem that in the prior art, filter cloth is difficult to clean is solved, and the filter cloth cleaning efficiency is improved.

The invention discloses an automatic water-saving precise irrigation system for a paddy field, and particularly relates to the technical field of water-saving irrigation, which comprises an automatic water-saving irrigation area division module, an automatic water-saving irrigation monitoring equipment setting module, an automatic water-saving irrigation data acquisition module, an automatic water-saving irrigation analysis decision module and an automatic water-saving irrigation control module, and an automatic water-saving irrigation man-machine interaction module. The automatic water-saving irrigation area division module is used for determining a paddy field in a jurisdiction area as a target area, and dividing the target area into a plurality of monitoring sub-areas which are sequentially marked as 1, 2, 3,..., n; according to the method, the paddy field in the target area is monitored, the water demand of each stage is analyzed according to different growth and development stages, it is ensured that the paddy obtains the needed water in the growth process, and waste of the water is avoided. The growth environment of the rice is optimized, and growth obstacles caused by too much or too little water are reduced.

The present invention relates to an intelligent garden landscape wall, comprising a water storage tank, three-layer mounting seats symmetrically arranged on both sides of the water storage tank, photovoltaic panels evenly distributed on the upper side of the water storage tank, and a water collecting pipe arranged inside the water storage tank, wherein a second partition is arranged near the upper end of the water collecting pipe, a counterweight box is arranged above the second partition, a sliding rod is arranged in the middle of the lower side of the counterweight box, a sliding cylinder is arranged below the second partition, an electromagnet is fixedly connected to the lower end of the sliding cylinder, a magnet is arranged directly below the electromagnet, a lead screw is arranged on the lower side of the magnet, a plug is fixed to the lower end of the lead screw, a turntable is matched and sleeved on the spiral part of the lead screw, and two long strip cleaning brushes are symmetrically arranged below the turntable; on the one hand, a drip irrigation pipe is used to drip irrigation the bonsai to ensure the growth of the bonsai, and on the other hand, a nozzle on the cleaning pipe is used to spray to branches and leaves to clean dust on the branches and leaves of the bonsai to keep the bonsai clean, and rainwater collected in the early stage of rainfall is discharged to realize batch recovery of rainwater.

The invention provides a carbon-based organic-inorganic compound fertilizer and a preparation method and application thereof.The carbon-based organic-inorganic compound fertilizer is prepared from, by weight, 10-15 parts of biomass charcoal, 20-25 parts of livestock manure, 3-5 parts of compound extract, 1-2 parts of compound polysaccharide, 10-15 parts of urea, 10-15 parts of ammonium sulfate, 10-15 parts of monoammonium phosphate and 10-15 parts of potassium sulfate; wherein the biomass charcoal is prepared from magnetic embedded charcoal and immobilized bacterium porous charcoal in a mass ratio of (2-4): 1. The carbon-based organic-inorganic compound fertilizer disclosed by the invention is scientific and reasonable in formula, forms a carbon-bacterium-pesticide-fertilizer integrated coupling system, and can provide multi-element efficient fertility guarantee and a healthy soil environment for plant growth, so that the growth and development of plants are remarkably promoted, the photosynthesis efficiency is improved, and the purposes of improving the quality and increasing the yield are achieved. In addition, soil structure can be obviously improved, soil porosity can be increased, hardening can be broken, permeability can be increased, and soil can be activated.

The invention discloses an intelligent constant-temperature greenhouse for vegetable planting, and relates to the technical field of vegetable planting, the intelligent constant-temperature greenhouse comprises a greenhouse enclosure, a greenhouse top cover, a dynamic photo-thermal shielding assembly, a central controller and a constant-temperature adjusting assembly, the greenhouse top cover is fixedly installed on the top of the outer wall of the greenhouse enclosure, and the central controller is fixedly installed on the front face of the outer wall of the greenhouse enclosure; a photo-thermal shielding assembly is installed on the front face of the outer wall of the greenhouse top cover, a constant-temperature adjusting assembly is installed in the greenhouse fence, and the photo-thermal shielding assembly and the constant-temperature adjusting assembly are both connected with the central controller through data signal lines for information data interaction. By installing the photo-thermal shielding assembly, the photo-thermal shielding adjustment function is achieved, the contradiction problem caused by illumination temperature rise and insufficient illumination intensity is solved, it is ensured that crops obtain a stable growth environment by jointly adjusting the temperature and illumination, the influence of sudden environment changes on crop growth is reduced, energy consumption is reduced through fine adjustment, and the energy consumption is reduced. And the energy utilization efficiency is improved.

The invention discloses a low-carbon planting greenhouse based on the Internet of Things. The low-carbon planting greenhouse comprises a greenhouse body. The plurality of columns of supporting plates are uniformly arranged on the sunny side of the top of the greenhouse main body at intervals through rotating brackets; the plurality of solar panels are laid on the sunny faces of the plurality of columns of supporting plates; the plurality of reflectors I are arranged on the back surfaces of the plurality of columns of supporting plates; a plurality of motors I; a plurality of double-row guide grooves; the plurality of reflectors II are uniformly arranged in the plurality of double-row guide grooves in a turnover manner through a plurality of pivotal shafts II respectively; a plurality of illumination sensors; a microcontroller; and a control center. According to the low-carbon planting greenhouse based on the Internet of Things, the illumination intensity, the light quality and the illumination time can be adjusted in real time according to the actual illumination condition in the greenhouse, growth damage to plants due to light inhibition is effectively avoided, the yield and quality of the plants are improved, and the economic benefits of agricultural production are increased.

The application provides a integrated groove frame for shallow direction cultivation of Dioscorea alata L., and belongs to the technical field of yam planting. The device comprises a rectangular groove, a U-shaped groove and a vine traction pipe. The U-shaped groove is arranged in the rectangular groove and has a strip shape for guiding the directional growth of Dioscorea alata L. The vine traction pipe is arranged at the top of the rectangular groove and has an arc shape arranged at the top end and the end of the rectangular groove. The vine traction pipe is used for directional traction of the vines of Dioscorea alata L. The depth of the rectangular groove ranges from 25 cm to 30 cm. The groove frame has a depth ranging from 25 cm to 30 cm, which reduces the dependence of planting on the thickness of the soil layer. The vine traction pipe forms a continuous vine climbing path. After the vines of Dioscorea alata L. grow, the vines are guided to climb on the vine traction pipe, so that the vine leaves are uniformly distributed and mutual shading is avoided. The efficiency of vine photosynthesis is optimized, and the vines are prevented from lodging. When harvesting, the U-shaped groove is directly taken out, large-area soil turning is avoided, the damage to tubers and the destruction of soil structure are reduced, and the integrity of harvesting is improved.

The invention discloses a method for improving stability of algae-bacteria granular sludge and sewage treatment efficiency. The method is related to types of added trace elements, culture modes of algae and environmental conditions. The invention provides a method for constructing a stable algae-bacterium granule sludge symbiotic relationship and reducing a mutual competition and inhibition relationship, boric acid is introduced from an external source, so that the structural stability of cells and the efficiency of photosynthesis can be influenced, and the growth and stability of algae-bacterium granules are regulated and controlled, namely the sewage treatment efficiency of the algae-bacterium granule sludge is ensured; the stability of the algae-bacteria granular sludge can be improved, so that the algae-bacteria granular sludge can be applied to an actual working environment. Compared with other regulatory factors, such as AHLs or AI-2 signal molecules, the price cost of the boron element is reduced by 1000 times. And when the boron concentration of the system is maintained at 80-200 [mu] M, environmental influence and health hazard are not generated, and the method is a green technical method.

The utility model relates to a UV plant lamp light source which comprises a rotary type supporting frame, a semicircular positioning plate is fixedly installed at the top end of the rotary type supporting frame, an arc-shaped positioning through groove is formed in the semicircular positioning plate along an arc-shaped track, and a servo motor is fixed to the outer side of the circle center of the semicircular positioning plate. An output shaft of the servo motor is connected with a horizontal T-shaped T-shaped sliding rod through a connecting rod, the T-shaped sliding rod can slide in the arc-shaped positioning through groove, and the free end of the T-shaped sliding rod extends to the outer side of the semicircular positioning plate and is detachably connected with a UV plant lamp light source shell. The top of the T-shaped sliding rod is fixedly provided with an inverted U-shaped hoisting support which synchronously swings in an arc mode with the T-shaped sliding rod, a bent bearing plate used for supporting and bearing the UV plant lamp light source shell is integrally formed at the end, away from the T-shaped sliding rod, of the U-shaped hoisting support, and the inner bottom wall of the bent bearing plate upwards abuts against the bottom face of the UV plant lamp light source shell.