30 results about "Crop growth rate" patented technology

The invention discloses compound fertilizer special for promoting crop growth. The compound fertilizer comprises, by weight, 40-50 parts of ammonium nitrate, 30-40 parts of bagasse, 30-40 parts of peanut meal, 20-40 parts of straw powder, 20-40 parts of alfalfa meal, 15-30 parts of corn gluten meal, 10-30 parts of hydrolyzed feather meal, 20-30 parts of rice chaff, 10-15 parts of shii-take residues, 5-8 parts of EM bacteria, 10-15 parts of magnesium hydrogen phosphate, 20-30 parts of urea, 22-30 parts of nitrate of potash, 15-20 parts of potassium metaphosphate, 4-5 parts of zinc nitrate, 10-20 parts of manganese phosphate, 2-8 parts of magnesium humate, 3-6 parts of sodium humate, 10-20 parts of sepiolite, 10-20 parts of expanded perlite and 10-15 parts of montmorillonoid. The compound fertilizer special for promoting crop growth can effectively solve the problems that soil is hardened, the drought resisting effect is poor and soil fertility is low.

The invention provides a method for preparing an economic crop growth-promoting agent by using protein peptide, and a growth-promoting agent application method. According to the invention, the protein peptide provided by the patent ZL200610019063.7, or protein peptide prepared through a quicklime hydrolysis method is adopted; each square meter of a field is applied with the plant growth-promoting agent prepared from the materials of: (1) 200-800ml of protein peptide (containing 25-30% of protein peptide), and 1200-5000ml of water; or (2) 200-800ml of protein peptide, 20-80g of phosphate (monoammonium phosphate or potassium dihydrogen phosphate), and 2300-9000ml of water; or (3) 200-800ml of protein peptide, 20-80g of phosphate (monoammonium phosphate or potassium dihydrogen phosphate), 2300-9000ml of water, 4-16ml of molasses containing 50% of saccharide, and 10-30g of a microbial manure obtained in the market. The plant growth-promoting agent is applied for different economic crops in different growth periods under a sunny condition, and a plant rapid-growth-promoting effect can be provided. The growth-promoting agent provided by the invention is advantaged in low economic cost, high utilization rate, fast crop growth, no pollution to the environment, no damage to agricultural ecological balance, and the like.

The invention provides a greenhouse regulation and control optimization method and relates to a temperature control or regulating system. The greenhouse regulation and control optimization method is characterized in that a relation expression between crop growth rate and environmental factors is obtained through a crop growth model; the optimum temperature value determined under some illumination intensity is utilized to replace the roughly-set value obtained based on experience in a conventional method; a regulation and control cost model is established, and the operation cost of a regulation and control device can be calculated; and according to the accumulated temperature theory, the method enables the temperature set value of a day to be divided into three stages instead of a conventional method of day-night two temperature setting values: during high-illumination daytime, the temperature value is set according to the optimum photosynthesis principle; during low-temperature after midnight, the temperature value is set according to optimum cost principle; and accumulated temperature compensation is carried out during before midnight, when the temperature is moderate and compensation cost is low. The method can meet temperature value required for crop optimum photosynthesis, is low in accumulated temperature compensation cost and is good in benefit.

The invention discloses a method for carrying out fertilizer application in accordance with a crop projection area and a plant height. The method comprises the following steps: firstly, establishing a fertilizer application amount standard table according to the growth day number, the crop projection area, the projection area daily change, the plant height, the plant height daily change and fertilizer application amounts after crops in a standard plant sample region are planted, and then measuring the crop projection area and the plant height value in a region to be subjected to the fertilizer application; and calculating the crop projection area, the projection area daily change, the plant height, the plant height daily change and the fertilizer application amounts of the crops with the same growth day number, which are planted in the fertilizer application amount standard table of the standard plant sample region, according to a certain rule, so as to obtain the intraday fertilizer application amount of the crops. The method disclosed by the invention can be used for a modern agriculture precision irrigation and fertilizer application field and is good for controlling the growth speed of the crops, improving the utilization rate of fertilizers, reducing agricultural non-point source pollution and the dependency on a user knowledge level of crop fertilizer application management and reliving the labor intensity; the method can be used for guiding the fertilizer application of greenhouse cultivated crops including lettuces and asparagus lettuces which take the stalks as harvested products.

The invention discloses a lignin slow-release fertilizer and relates to the technical field of agriculture. The lignin slow-release fertilizer is prepared from, by weight, 50-70 parts of lignin, 20-35 parts of imvite, 5-10 parts of slow-release adhesive, 2-8 parts of potassium sulfate, 5-10 parts of activated carbon, 15-25 parts of sodium nitrite, 10-20 parts of urea, 5-10 parts of copper sulfate and 2-6 parts of manganese mud. The lignin, the imtive, the urea and the sodium nitrite are used as main raw materials and matched with other proper auxiliary materials, the obtained slow-release fertilizer is high in nutrition value and adsorption efficiency, the certain amount of microelement manganese mud is added in the formula, and the lignin slow-release fertilizer is a catalyst for some chemical reactions and an activating agent of various enzyme reactions; the element manganese is tightly related with photosynthetic crops, formation of chlorophyll in the crops can be facilitated, the crop growth rate can be increased, and the production technology is simple, easy to implement and capable of achieving large-scale production.

The invention relates to a cotton and peanut intercropping and crop rotation efficient planting mode in medium and slight sulfate saline-alkali soil. The cotton and peanut intercropping and crop rotation efficient planting mode in medium and slight sulfate saline-alkali soil comprises the following steps: in the current year, carrying out cotton and peanut wide-range strap-shaped intercropping on the medium and slight sulfate saline-alkali soil according to a 4: 6 (ridge: ridge) mode, fully playing edge advantages of high-salt-tolerance cotton firstly, and remarkably increasing optical energy utilization rate; secondly, by difference between growing speeds of the two crops, reducing the wind speed of a field in the spring, reducing water evaporation and diffusion of soil, and relieving saline-alkali damage; thirdly, improving soil fertility by nitrogen fixation of peanut root nodules, spraying nitrogen to crushed straws and returning the straws to the field so that a soil structure can be improved and organic matters can be increased; in the next year, interchanging cotton planting zones and peanut planting zones, and carrying out intersected crop rotation on the planting zones, wherein the width of the cotton in the field is consistent to the width of the peanut in the field, and continuous cropping obstacles are relieved effectively. By intercropping in a year and crop rotation in two different years, efficient production of cotton and peanuts is realized, land use and land nourishing are combined, and therefore, the cotton and peanut intercropping and crop rotation efficient planting mode in medium and slight sulfate saline-alkali soil has a special important practical significance on propelling of regional economy and social and ecological sustainable development.

The invention discloses high tower seaweed nitrate-sulfate base compound fertilizer, which is prepared from the following raw materials in parts by weight: 15-20 parts of phosphorus nitrate, 10-15 parts of monoammonium phosphate, 20-25 parts of potassium sulfate, 30-35 parts of a seaweed extract and 20-30 parts of seaweed residue. The high tower seaweed nitrate-sulfate base compound fertilizer isprepared by compounding seaweed, so that the better fertilizer efficiency is realized by applying the fertilizer once by a user, and the crop growth rate is increased.

Provided are isolated polynucleotides encoding a polypeptide at least 80% homologous to the amino acid sequence selected from the group consisting of SEQ ID NOs: 799, 488-798, 800-813, 4852-5453, 5460, 5461, 5484, 5486-5550, 5553, and 5558-8091; and isolated polynucleotide comprising nucleic acid sequences at least 80% identical to SEQ ID NO: 460, 1-459, 461-487, 814-1598, 1600-1603, 1605-1626, 1632-1642, 1645-4850 or 4851. Also provided are nucleic acid constructs comprising same, isolated polypeptides encoded thereby, transgenic cells and transgenic plants comprising same and methods of using same for increasing yield, biomass, growth rate, vigor, oil content, fiber yield, fiber quality, abiotic stress tolerance, and / or nitrogen use efficiency of a plant. Also provided are isolated polynucleotides comprising the nucleic acid sequence set forth by SEQ ID NO:8096, wherein the isolated polynucleotide is capable of regulating expression of at least one polynucleotide sequence operably linked thereto.

The invention discloses a method for carrying out fertilizer application at a vegetative growth phase in accordance with the change of a crop plant height. The method comprises the following steps: firstly, establishing a fertilizer application amount standard table according to the growth day number, the plant height, the plant height daily change and fertilizer application amounts after crops in a standard plant sample region at the vegetative growth phase are planted, and then measuring the crop height and the plant height daily change at the vegetative growth phase in a region to be subjected to the fertilizer application; and calculating the crop plant height, the projection area daily change value and the fertilizer application amounts of the crops with the same growth day number, which are planted in the fertilizer application amount standard table of the standard plant sample region, according to a certain rule, so as to obtain the intraday fertilizer application amount of the crops. The method disclosed by the invention can be used for a modern agriculture precision irrigation and fertilizer application field and is good for controlling the growth speed of the crops, improving the utilization rate of fertilizers, reducing agricultural non-point source pollution and the dependency on a user knowledge level of crop fertilizer application management and reliving the labor intensity; the method can be used for guiding the fertilizer application of greenhouse cultivated crops at the vegetative growth phase.

The invention discloses an application of talaromyces wortmannii in drought resistance and growth promotion of crops. The technical scheme is as follows: the application comprises the following specific steps: S1, preparation, S2, seed soaking, S3, sowing, S4, water removing, S5, statistics, S6, study on a drought-enduring mechanism of a strain, and S7, polygene sequence analysis. The application has the beneficial effects that by means of manual regulation and control in a laboratory, seeds to be identified are soaked, germinate and grow to a specific seedling height under a temperature control condition, temperature control and humidity control treatment are performed by utilizing a temperature control and humidity control illumination greenhouse, so that seedlings growing on potted plants lose water, drought-enduring treatment and repair treatment can be performed on the seedlings, and the growth conditions of roots, leaves and the like of the seedlings are observed, so that drought resistance of crops is judged. The talaromyces wortmannii has obvious effects in the aspects of improving the growth speed and drought resistance of the crops and the like, can be artificially cultured, is high in propagation speed, is convenient for large-scale production, and has a good development and application prospect.

The invention relates to a crop growth monitoring system, which comprises a sensor module, a data transmission module and a data processing module. The sensor module is used for collecting parameter information reflecting crop growth condition; the data transmission module is used for transmitting the parameter information collected by the sensor module to the data processing module; and the dataprocessing module is used for processing the received parameter information and evaluating the crop growth state. The sensor module, the data transmission module and the data processing module are setto realize comprehensive detection of crop growth. The system has the characteristics of simple structure and convenient operation, also utilizes the sensor module to acquire the parameter information about the crop growth state, and processes the obtained parameter information so as to obtain the crop growth state evaluation result. The system also can send early warning information when findingabnormality, is convenient for people to take corresponding measures in time to improve the crop growth environment.

The invention discloses water soluble fertilizer containing seaweeds and humic acid. The humic-acid-containing water soluble fertilizer for the seaweeds is prepared from the following raw materials inparts by weight: 10-18 parts of humic acid, 20-30 parts of seaweed extract, 10-20 parts of urea, 15-30 parts of monopotassium phosphate and 20-25 parts of monoammonium phosphate. The fertilizer disclosed by the invention has the advantages that the seaweeds are compounded, a user can obtain better fertilizer efficiency only by applying fertilizer once, the seaweeds have better effect in disease resistance, and crop growth rate is improved.

The invention discloses a biological organic fertilizer which is prepared by the following steps: grinding, mixing, fermenting, screening, drying and granulating raw materials such as excrements of livestock, mushroom residues, bagasse, tobacco powder, high-quality active lactobacillus plantarum, saccharomyces cerevisiae and bacillus megatherium. The effective content values of the various components in the organic fertilizer are as follows: more than or equal to 6% of NPK, more than or equal to 40 million effective living bacteria per gram, and 40% of organic matters, wherein the NPK is the percentage composition of elements nitrogen, phosphorus and potassium in the organic fertilizer. The organic fertilizer disclosed by the invention is a biological organic fertilizer, contains the elements nitrogen, phosphorus and potassium needed by growth of general crops, further contains organic matters, microbial active bacteria, humic acid, medium trace elements such as magnesium, calcium, boron, zinc and copper and the like needed by plant growth and soil improvement, and is capable of effectively enhancing disease resistance and prevention and cold resistance properties of crops, flowersand fruit trees. Therefore, the plant growth speed is increased, the plants are healthy and strong, the fruiting rate is improved, and the yield is increased.

The invention provides a cadmium (Cd)-removing Rhizobium (Rhizobium pusense) KG2, a bacterial agent containing the Rhizobium and its ability to fix or remove Cd in soil or water. 2+ Applications. The invention proves that rhizobia KG2 has high-efficiency Cd fixation ability and strong nitrogen fixation function, which can promote the growth of leguminous crops, increase the stress resistance of leguminous crops, and reduce the enrichment and absorption of soil Cd by plants. The rhizobia KG2 of the present invention is applied in the bioremediation of farmland cadmium-contaminated soil in the form of bacterial agent or bacterial fertilizer, which reduces the enrichment and absorption of cadmium by crops in farming soil, promotes the growth of crops in heavy metal-contaminated soil, and improves the yield of crops. output and quality.

The present invention discloses a food crop yield increase nutrition agent, which comprises, by weight, 3-8 parts of a nitrogen fertilizer, 1-4 parts of a potassium fertilizer, 2-6 parts of a phosphorus fertilizer, 2-8 parts of enzyme, 2-8 parts of phosphorus bacteria, 1-4 parts of silicate bacteria, 2-3 parts of chitin, 1-3 parts of amino acids, 0.2-0.5 part of gibberellin, 0.2-0.5 part of indole acetic acid, and 0.3-0.5 part of azotobacter. According to the present invention, the food crop yield increase nutrition agent contains balanced nutrients, provides good adjustment effects for physiological and chemical reactions of food crops, can accelerate uptake of crop roots on nutrients and accelerate cell division so as to increase crop growth rate, is a natural bactericidal agent, and has strong insect pest resistance.

The invention discloses a heat preservation type greenhouse and a heat preservation method thereof and solves the problem that the survival rate of crops in plateau or desert belts is low or the plateau or desert belts cannot be developed in the prior art. The greenhouse comprises a greenhouse body and an energy storage body, wherein the greenhouse body is located at the upper part (or the side part) of the energy storage body, a pumping driving mechanism is arranged in the greenhouse body, and a fertile soil layer is arranged at the bottom of the greenhouse body; a constant temperature body is arranged in the energy storage body, and a circulating mechanism is arranged in the constant temperature body and connected with the pumping driving mechanism. The greenhouse is a greenhouse devicefor the plateau and desert belts, local resources can be used by the energy storage body according to the actual terrain, the cost is saved with the adoption of a sandpit or water pool or manual construction, and resources are sufficiently utilized. Gas in the greenhouse body enters the constant temperature body through the circulating mechanism for heat exchange, so that the temperature in the greenhouse body is always kept in the range suitable for crops, and the crop growth rate is increased.

The invention discloses a high-utilization-rate organic fertilizer with a yield increasing effect. The high-utilization-rate organic fertilizer is prepared from the following raw materials in parts byweight: 30-50 parts of feces of livestock and poultry, 20-40 parts of straws, 10-18 parts of sludge, 8-15 parts of plant ash, 18-25 parts of coal ash, 10-20 parts of an oil cake, 3-8 parts of chitin,10-18 parts of ammonium chloride, 12-24 parts of an additive and 2-6 parts of a bonding agent. The high-utilization-rate organic fertilizer with the yield increasing effect disclosed by the inventioncan provide all nutrients needed for a crop growth stage, and has the advantages of being good in water solubility and high in fertilizer utilization rate. A preparation method for the high-utilization-rate organic fertilizer is simple, raw materials are simple and easily available, preparation cost is low, waste is utilized, and the environmental pollution problem is relieved; and the obtained fertilizer can effectively increase a crop growth rate while used for crop planting, improves growth quality of the crops, increases the yield of the crops, and is wide in application prospect.

The invention discloses a method for carrying out fertilizer application at a vegetative growth phase in accordance with the change of a crop plant height. The method comprises the following steps: firstly, establishing a fertilizer application amount standard table according to the growth day number, the plant height, the plant height daily change and fertilizer application amounts after crops in a standard plant sample region at the vegetative growth phase are planted, and then measuring the crop height and the plant height daily change at the vegetative growth phase in a region to be subjected to the fertilizer application; and calculating the crop plant height, the projection area daily change value and the fertilizer application amounts of the crops with the same growth day number, which are planted in the fertilizer application amount standard table of the standard plant sample region, according to a certain rule, so as to obtain the intraday fertilizer application amount of the crops. The method disclosed by the invention can be used for a modern agriculture precision irrigation and fertilizer application field and is good for controlling the growth speed of the crops, improving the utilization rate of fertilizers, reducing agricultural non-point source pollution and the dependency on a user knowledge level of crop fertilizer application management and reliving the labor intensity; the method can be used for guiding the fertilizer application of greenhouse cultivated crops at the vegetative growth phase.

The invention discloses a bio-organic fertilizer. The bio-organic fertilizer is characterized in that livestock excrement, cornstalks, peanut shells, cottonseed shells, high-quality activated lactobacillus plantarum, an EM bacterial agent and bacillus megaterium are used as raw materials, and the raw materials including the livestock excrement, the cornstalks, the peanut shells, the cottonseed shells, the high-quality activated lactobacillus plantarum, the EM bacterial agent and the bacillus megaterium are weighed in parts by weight. The bio-organic fertilizer contains organic matters, activated microbial flora, humic acid, medium trace elements of magnesium, calcium, boron, zinc and copper and the like which are needed by plant growing and soil improvement, the disease resistance, diseaseprevention and cold resistance of crops, flowers and fruit trees can be effectively enhanced, the growing speed of the crops is improved, plants are robust, and the fruit bearing rate and the yield are improved.

The invention discloses an environmental control system for an ecological sightseeing greenhouse. The environmental control system comprises a control device; an input end of the control device is connected with a crop growing state detection device, a carbon dioxide detection device, an oxygen induction device, an illumination induction device, a temperature induction device and a humidity induction device; an output end of the control device is respectively connected with a fan, a carbon dioxide supplying device, an oxygen supplying device, an illumination adjustment device, a temperature adjustment device and a sprinkler head; the control device is provided with a mode selection rotary knob; the mode selection rotary knob is provided with an automatic control growth mode gear, a tourist mode gear and a manual control growth mode gear; the control device is provided with a carbon dioxide concentration adjustment rotary knob, an oxygen concentration adjustment rotary knob, an illumination intensity adjustment rotary knob, a temperature adjustment rotary knob, a humidity adjustment rotary knob and a wind speed adjustment rotary knob. The environmental control system can simultaneously satisfy the demands of crop growth and sightseeing, the crop growth speed is rapid and the tourist sightseeing environment is comfortable.

The present invention relates to an agricultural growth system. The agricultural growth system comprises a greenhouse, a plurality of ridges arranged in the greenhouse and a plurality of agricultural spraying upright bars arranged on the ridges. The greenhouse comprises a bottom plate, a wall body and a roof, wherein the wall body is arranged around the roof, and a growth space is formed among the bottom plate, the wall body and the roof. The plurality of ridges are distributed on the bottom plate in the form of matrix, and the ridges are provided with growth grooves for placing soil for tillage and several installation seats arranged at the bottom of the growth grooves. The plurality of agricultural spraying upright bars are arranged on the mounting seats, and an agricultural spraying upright bar is correspondingly arranged on one of the mounting seats. According to the above agricultural growth system, bars can be inserted the into field ridges through the plurality of ridges arranged in the greenhouse, the plurality of agricultural spraying upright bars arranged on the ridges, and an embedded part through the agricultural spraying upright bars, so that by using the bars, the growth space for crop growth is provided, and thus the productivity of the crop is improved.

The invention discloses a method for promoting the growth of crops and reducing insect damage. The natural mineral materials whose main components are calcite and dolomite are crushed and soaked in water for a period of time, and then the crops are irrigated with the water soaked in the natural mineral materials, which can promote crop growth, reduce insect pests, and increase crop yield. The field test results show that the crops cultivated in water treated with natural minerals not only have higher yields than untreated water, but also have more advantages than untreated water in terms of insect resistance, crop taste, crop growth speed, and crop fineness. . The method of the invention overcomes the unfavorable factors such as soil pollution, heavy metal accumulation, and microbial activity reduction by fertilizers in the past, fully utilizes natural rocks in nature, and has the characteristics of convenient raw material sources, simple operation methods, and quick results. Compared with other chemical fertilizers, Pesticides have many advantages and have broad application prospects in the field of agricultural production.

The invention provides a method for preparing an economic crop growth-promoting agent by using protein peptide, and a growth-promoting agent application method. According to the invention, the protein peptide provided by the patent ZL200610019063.7, or protein peptide prepared through a quicklime hydrolysis method is adopted; each square meter of a field is applied with the plant growth-promoting agent prepared from the materials of: (1) 200-800ml of protein peptide (containing 25-30% of protein peptide), and 1200-5000ml of water; or (2) 200-800ml of protein peptide, 20-80g of phosphate (monoammonium phosphate or potassium dihydrogen phosphate), and 2300-9000ml of water; or (3) 200-800ml of protein peptide, 20-80g of phosphate (monoammonium phosphate or potassium dihydrogen phosphate), 2300-9000ml of water, 4-16ml of molasses containing 50% of saccharide, and 10-30g of a microbial manure obtained in the market. The plant growth-promoting agent is applied for different economic crops in different growth periods under a sunny condition, and a plant rapid-growth-promoting effect can be provided. The growth-promoting agent provided by the invention is advantaged in low economic cost, high utilization rate, fast crop growth, no pollution to the environment, no damage to agricultural ecological balance, and the like.

The invention discloses a coated slow and controlled release fertilizer, wherein the components constituting the coated slow and controlled release fertilizer are as follows: 80-85 parts of compound fertilizer, 5-7 parts of polymer water-absorbing resin, and 0.4-0.6 parts of polymer polysaccharide , 1-2 parts of inorganic coating ingredients, 5-7 parts of film-forming aids, 1.8-2.2 parts of plasticizers, and 0.8-1.2 parts of cross-linking agents; the production process of the invention is simple, effectively promotes growth, and the fertilizer release can be used in the range wider. In the film forming process of the present invention, organic thin film components (polymer water-absorbing resin) and inorganic thin film components are introduced, wherein the inorganic thin film components can chemically react with the organic thin film components to achieve rapid film formation at room temperature, and the thickness of the fertilizer coating and the thin film The strength can be controlled by the amount of spray film and the amount of added film-forming aids to achieve the consistency of fertilizer release rate and crop growth rate.

The invention discloses an ecological greenhouse which can be used for sightseeing. The ecological greenhouse which can be used for sightseeing comprises a film and a greenhouse support, wherein the film and the greenhouse support form a greenhouse body, the side face of the greenhouse body is provided with an inlet-outlet and a ventilation port, the inlet-outlet is used for planters to go in or out of the greenhouse in a crop growth period and is used for visitors to go in or out of the greenhouse in a crop mature period, a control device is arranged outside the greenhouse body and is used for monitoring and controlling environment parameters in the greenhouse, the control device is connected with a water spraying head, a carbon dioxide detecting device, a carbon dioxide supply device, a temperature sensing device, a temperature adjusting device, a light induction device, a lighting control device, an oxygen concentration sending device and an oxygen concentration control device which are arranged in the greenhouse body. An aisle and a planting area are arranged at the lower portion of the greenhouse body, and columns are arranged below the aisle. The ecological greenhouse can meet the demands for crop growth and traveling simultaneously, the crop growth speed is high, and a tourist environment for the visitors is comfortable.

The present invention relates to an agricultural growth system. The agricultural growth system comprises a greenhouse, a plurality of ridges arranged in the greenhouse and a plurality of agricultural spraying upright bars arranged on the ridges. The greenhouse comprises a bottom plate, a wall body and a roof, wherein the wall body is arranged around the roof, and a growth space is formed among the bottom plate, the wall body and the roof. The plurality of ridges are distributed on the bottom plate in the form of matrix, and the ridges are provided with growth grooves for placing soil for tillage and several installation seats arranged at the bottom of the growth grooves. The plurality of agricultural spraying upright bars are arranged on the mounting seats, and an agricultural spraying upright bar is correspondingly arranged on one of the mounting seats. According to the above agricultural growth system, bars can be inserted the into field ridges through the plurality of ridges arranged in the greenhouse, the plurality of agricultural spraying upright bars arranged on the ridges, and an embedded part through the agricultural spraying upright bars, so that by using the bars, the growth space for crop growth is provided, and thus the productivity of the crop is improved.

The invention belongs to the technical field of fertilizers and brings forward a fertilizer for strengthening roots and loosening soil and a preparation method thereof. The fertilizer for strengthening roots and loosening soil is composed of the following ingredients (by weight): 10-15 parts of corn flour, 3-9 parts of bean dregs, 12-25 parts of decomposed cow dumps or sheep droppings, 6-11 partsof polyvinylpyrrolidone, 1-5 parts of mesoporous silica, 7-23 parts of nano-calcium carbonate, 3-18 parts of hydroxyapatite, 0.7-1.5 parts of cocoalkanoylamido propyl betaine, 0.3-1.2 parts of boric acid, 0.5-2 parts of erythritol, 1.3-3.5 parts of shrimp shell meal, 3-10 parts of alginate, and 0.05-0.5 part of active carbon. Through the above technical scheme, the problems such as low content ofnutrients in a fertilizer, slow crop growth speed and low survival rate in the prior art are solved.

The invention provides a greenhouse regulation and control optimization method and relates to a temperature control or regulating system. The greenhouse regulation and control optimization method is characterized in that a relation expression between crop growth rate and environmental factors is obtained through a crop growth model; the optimum temperature value determined under some illumination intensity is utilized to replace the roughly-set value obtained based on experience in a conventional method; a regulation and control cost model is established, and the operation cost of a regulation and control device can be calculated; and according to the accumulated temperature theory, the method enables the temperature set value of a day to be divided into three stages instead of a conventional method of day-night two temperature setting values: during high-illumination daytime, the temperature value is set according to the optimum photosynthesis principle; during low-temperature after midnight, the temperature value is set according to optimum cost principle; and accumulated temperature compensation is carried out during before midnight, when the temperature is moderate and compensation cost is low. The method can meet temperature value required for crop optimum photosynthesis, is low in accumulated temperature compensation cost and is good in benefit.

The present invention provides a method and device for monitoring late frost damage of crops based on remote sensing data. By gridding the monitoring area, for each grid point, on the one hand, the meteorological data of the meteorological stations during the crop growth period are obtained, and on the other hand, Extract the meteorological data from the remote sensing data during the crop growth period, and assimilate the two meteorological data to obtain the assimilated meteorological data, and based on the assimilated meteorological data, determine the growth of the crops on the day to determine the crop growth rate. The biological characteristics of the canopy, the temperature data of the crop canopy of the day are determined according to the biological characteristics of the crop canopy and the meteorological data of the day, and the late frost damage area of ​​the day is determined according to the temperature data of the crop canopy of the day. Therefore, in the monitoring process of late frost damage, the remote sensing data and ground real-time monitoring data are combined to overcome the shortcomings of only relying on ground real-time monitoring data and improve the monitoring accuracy of late frost damage.

The invention discloses a method for carrying out fertilizer application in accordance with a crop projection area and a plant height. The method comprises the following steps: firstly, establishing a fertilizer application amount standard table according to the growth day number, the crop projection area, the projection area daily change, the plant height, the plant height daily change and fertilizer application amounts after crops in a standard plant sample region are planted, and then measuring the crop projection area and the plant height value in a region to be subjected to the fertilizer application; and calculating the crop projection area, the projection area daily change, the plant height, the plant height daily change and the fertilizer application amounts of the crops with the same growth day number, which are planted in the fertilizer application amount standard table of the standard plant sample region, according to a certain rule, so as to obtain the intraday fertilizer application amount of the crops. The method disclosed by the invention can be used for a modern agriculture precision irrigation and fertilizer application field and is good for controlling the growth speed of the crops, improving the utilization rate of fertilizers, reducing agricultural non-point source pollution and the dependency on a user knowledge level of crop fertilizer application management and reliving the labor intensity; the method can be used for guiding the fertilizer application of greenhouse cultivated crops including lettuces and asparagus lettuces which take the stalks as harvested products.