18results about How to "Improve photosynthesis efficiency" patented technology

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.

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 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 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 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 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 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.

The invention discloses an efficient and energy-saving forestry seedling cultivation device, and particularly relates to the technical field of forest seedling cultivation, the efficient and energy-saving forestry seedling cultivation device comprises a circulation box, the upper end of the circulation box is fixedly connected with a cultivation cabinet, and the left side and the right side of an inner cavity of the cultivation cabinet are both linearly distributed and fixedly connected with a plurality of full-spectrum light supplementing lamps; the inner cavity of the cultivation cabinet and the inner cavity of the control cabinet are jointly provided with a seedling raising structure, and spraying structures are arranged on the inner surface of the cultivation cabinet in a bilateral symmetry mode. According to the efficient and energy-saving forestry seedling cultivation device, the first motor is matched with the transmission shaft to drive the seedling cultivation assembly to rotate slowly, the action area of a spraying structure and a full-spectrum light supplementing lamp is increased through the rotation effect, use of related equipment is reduced, air is conveyed inwards through the effect of a ventilator, and the energy-saving effect is achieved. Oxygen generated by photosynthesis is discharged through air pressure, and the photosynthesis efficiency is further improved by supplementing carbon dioxide, so that the growth efficiency of the seedlings is improved, and the cultivation period is shortened.

The invention provides a light conversion film as well as a preparation method and application thereof. The light conversion film comprises an organic silicon polymer and an aggregation-induced emission material dispersed in the organic silicon polymer, the aggregation-induced emission material has a structure as shown in a formula I. Through the design and mutual compounding of the organosilicon polymer and the AIE material with the structure shown in the formula I, the fluorescence intensity is high, ultraviolet light and near-infrared light can be absorbed and converted into blue light and red light, and light useless for plants / crops is converted into useful light for promoting the growth of the plants / crops. The light conversion film has excellent light conversion effect, stability and weather resistance, can effectively improve the light quality, increase the utilization rate of sunlight and improve the efficiency of photosynthesis of plants, and has wide application prospects in the aspects of increasing the biomass and yield of bioactive compounds and the like.

The utility model discloses a kind of cultivation frames, it is related to planting equipment technical field, including frame body, first cultivation frame is installed in frame body inner wall top, two second cultivation frames are slidably arranged in frame body inner wall bottom, two second cultivation frames are evenly arranged in frame body inner wall with first cultivation frame, two first sliding grooves are opened in frame body inner wall middle part, two second sliding grooves are opened in frame body inner wall bottom, first rack is slidably connected in first sliding groove inside, second rack is slidably connected in second sliding groove inside.In the utility model, when second cultivation frame can be pulled out from frame body, first cultivation frame and two second cultivation frames are ladder-shaped distribution, reduce the problem of light shielding, improve the efficiency of crop photosynthesis, also facilitate user to pick crop, and in the second cultivation frame removal frame body, the cooperation of component can also open fan, accelerate air circulation in frame body inside and on second cultivation frame, improve ventilation environment, reduce the occurrence of disease.

This invention relates to the field of agricultural technology, and particularly to the application of zinc citrate in improving plant salt stress resistance and remediating saline-alkali land. This invention is the first to utilize zinc citrate to enhance plant salt stress resistance. Zinc citrate can effectively improve the germination ability of plant seeds under salt stress, increase the activity of the plant's antioxidant system and photosynthetic efficiency, thereby effectively improving the survival rate and growth performance of plants under salt stress. Simultaneously, zinc citrate can effectively reduce the EC value of saline-alkali soil, achieving effective remediation of saline-alkali land, and further improving the germination rate of plant seeds in saline-alkali land.

The utility model discloses a seedling raising equipment of improving pepper pungency degree, including box body mechanism, seedling raising mechanism, ventilation mechanism and stirring irrigation mechanism, ventilation mechanism includes mounting box, limit rail, filter screen, filter element, heater and fixed plate, the inside of mounting box is fixedly connected with limit rail, and the limit rail is fixed in the mounting box. A fixing plate is slidably connected to the interior of the limiting rail, a filter element and a heater are fixedly connected to one side of the fixing plate, a dust filtering net is fixedly connected to the inner side of the mounting box, air is heated by starting the heater, and the temperature change in the seedling raising box is conveniently adjusted; a dust filter screen and a filter element are arranged in the mounting box, flowing air can be conveniently filtered, an electric lamp is mounted on the inner side wall of the mounting frame, the electric lamp can supplement light for pepper seedlings, a proper amount of nitrogen fertilizer can promote growth of pepper plants, and the photosynthesis efficiency is improved.

This invention discloses a method for alleviating cadmium stress on duckweed using ethyl caffeate. With industrial development, cadmium pollution in water bodies seriously threatens the ecosystem and human health, and traditional remediation methods have shortcomings. Although duckweed has the potential for water body remediation, cadmium stress inhibits its growth. This invention, through concentration gradient experiments, determines the maximum Cd concentration that duckweed can withstand. 2+ The optimal concentration of ethyl caffeate for alleviating cadmium stress is 200 μmol, with a concentration of 10 μmol. Adding 200 μmol of ethyl caffeate per 100 ml of cadmium-contaminated water significantly promotes duckweed growth, increases leaf number, fresh weight, and root length, enhances antioxidant enzyme content, reduces MDA content, increases chlorophyll content, and strengthens photosynthesis. It also significantly reduces cadmium accumulation in duckweed, achieving efficient bioremediation of cadmium pollution in water bodies. This method is simple to operate, low in cost, and environmentally friendly, showing broad application prospects in the field of water pollution control.

The application discloses a kind of translucent perovskite solar cells and preparation method and application thereof.The translucent perovskite solar cell includes ITO conductive glass bottom electrode, NiO x Interface modification layer, 4PADCB hole transport layer, FA a Cs 1‑a PbI 3‑b Br b Perovskite absorption layer, PCBM-C 60 Electronic transport composite layer, Ag metal layer and ITO transparent top electrode;FA a Cs 1‑a PbI 3‑b Br b Perovskite absorption layer, 0 The battery of the application keeps higher transmission level in red light band, and retains certain transmission level in blue light band, while enhancing absorption and utilization of yellow-green light band, and can better match crop light utilization characteristics.

The invention discloses preparation of a Cr < 3 + >-doped fluorescent material and application of the Cr < 3 + >-doped fluorescent material in a plant light supplement lamp, and relates to the technical field of preparation of Cr < 3 + >-doped fluorescent materials.The preparation method comprises the following steps that a matrix raw material and a Cr < 3 + >-containing raw material are weighed according to the stoichiometric ratio, and the matrix raw material and the Cr < 3 + >-containing raw material are ground and stored in a dryer; putting the raw materials into a ball milling tank, and carrying out planetary ball milling for 3-6 hours; transferring to an alumina crucible, and pre-sintering for 2-5 hours; after secondary ball milling, adding a fluxing agent; sintering in a high-temperature furnace for 6-10 hours, and cooling along with the furnace or under the protection of inert gas; the preparation method comprises the following steps: coarsely crushing, grinding to 10-30 microns, alternately cleaning with deionized water and ethanol, drying in an air dry oven, detecting and screening by using a fluorescence spectrophotometer, an X-ray diffractometer and a scanning electron microscope, and remanufacturing unqualified products after adjusting process parameters according to detection results. The light-emitting efficiency is high, the spectrum adapts to plant photosynthetic absorption, the plant growth can be promoted when the light-supplementing lamp is applied, the plant height and the chlorophyll content are obviously increased, the natural spectrum is simulated, and the light-supplementing lamp is suitable for multiple cultivation scenes.

The invention discloses a light carbon silicon humic acid compound fertilizer and a preparation method thereof, and belongs to the technical field of biological fertilizers. The light carbon silicon humic acid compound fertilizer is prepared from the following components in parts by weight: 15-20 parts of a light carbon silicon material, 10-20 parts of modified humic acid, 18-20 parts of urea, 12-15 parts of potassium chloride, 8-12 parts of monoammonium phosphate, 2-3 parts of a photosynthesis enhancer and 1-2 parts of a nanocrystallization aid, the optical carbon-silicon material is prepared by preparing a carbon carrier from a carbon raw material through a hydrothermal reaction and then loading a silicon element and photosynthesis promoting bacteria, the modified humic acid is prepared from a humic acid raw material through three-step treatment, fermentation, acid precipitation and hydrogen peroxide modification. The nanocrystallization auxiliary agent is an equivalent mixture of lauryl sodium sulfate and nano silicon dioxide. The light carbon silicon humic acid compound fertilizer provided by the invention promotes the growth and development of crops and improves the soil structure.

The invention relates to the related technical field of forestry planting, discloses an under-forest planting movable cultivation device, and aims to solve the problem that an upper-layer cultivation box severely shades light, a photovoltaic panel is arranged at the top of a movable support, when sunlight irradiates the photovoltaic panel, electric energy generated by the photovoltaic panel can start a motor, the motor drives a mounting disc to rotate, and the upper-layer cultivation box is driven to rotate; the cultivation box on the movable support can rotate along with the mounting disc, it is guaranteed that when sunlight is sufficient, the rotating mounting disc can enable the cultivation box to receive light evenly, the problem that the upper-layer cultivation box shields the sunlight is avoided, and finally the effect that vegetation receives light comprehensively is achieved through rotation of the cultivation box.