209results about How to "Increase photosynthetic rate" patented technology

The invention discloses an organosilicon foliage fertilizer and making method, which is the leach of charred rice husk with water without polluting and side effect, wherein the foliage fertilizer is made of nitrogen, phosphine, potassium fertilizer, trace fertilizer, humic acid, plant growth modifier dissolved in the water with organosilicon fertilizer. The invention reaches effective utility due to kinds of nutritious element adsorbed by plant, which improves the crop production for forage crop, bean culture, vegetable and fruit tree.

The invention relates to a control agent and an anti-adversity agent of plant growth, which adopts southernwood, a Chinese traditional medicine, namely Artemisia annua L, as raw material, or adopts the secondary substances (also containing small amount of the artemisinin which is not completely extracted) which are abundant in the large amount of residues and concentrated mother solution after artemisinin is extracted by organic solvent. On the one hand, the invention does not influence the extraction of the artemisinin used for pharmaceuticals, on the other hand, the invention enhances the added value of the products of the southernwood, turns wastes into benefits and is good for environment protection and green production. The product of the invention is characterized by wide physiological effect, being safe and innoxious, being no pollution, being environment-friendly, easy obtaining of raw materials and low cost.

The invention discloses a method for improving growth and drought-resistant ability of wheat by using arbuscular mycorrhizal fungi to bring the reciprocal symbiosis relation between AM fungi and host plants under drought stress into play reasonably and efficiently. According to the method, the AM fungi having a close symbiotic relation with the wheat are selectively used, and the symbiotic relation between the AM fungi and the wheat is built in a condition control mode to promote the wheat growth and improve drought adaptability. The AM fungi comprise one of glomus monosporum and acaulospora laevis, the two kinds of AM fungi are respectively propagated in an expanding mode in an expanding propagation matrix by using red clovers, and then two AM fungi inoculants and the wheat are cultured together in a symbiotic culture medium. The effective path for profitable symbiosis of the AM fungi and the host plants in adversity conditions is provided, the infection and symbiosis relation with the host plants of the AM fungi is improved in a man-made mode, and the yield of dry crops is improved.

The invention discloses a seedling formation method in alkaline lands by pre-coating film on cotton, which aims at increasing the seedling formation rate of the cotton in alkaline lands and realizing seedlings full and strong. The method of the invention is characterized in that: cotton fields having the salt content of below 0.4% and has certain accumulative rain and snow in winter are thawed in early spring, then ditches are opened in the rows of the pre-sowed cotton, and 2 tons of miscellaneous manure and 40 to 60kg of compound fertilizer which contains about 15 percent of N, about 15 percent of P2O5 and about 15 percent of K2O are fertilized, and then mulching film is used for covering the ditches immediately after the ditches are covered with soil and raked; as for an alkaline land with salt content of more than 0.4 percent, 80m<3> of fresh water is irrigated for each mu (mu: a Chinese unit of area, 1 / 15 of a hectare) at the end of winter to restrain salt content, ditches are opened and then miscellaneous manure and N-P-K compound fertilizer are fertilized in the early of middle of March, and film is covered after the land is prepared. The cotton fields which are leveled, fertilized and pre-coated with film are steadily passes earth temperature of 15 DEG C at the position of 5cm below the film, then bunch planting the ditinted and coated cotton seeds according to preset row spacing and plant spacing. The cottons are thinned out after the young seedling grow tidily, and final singling is carried out after two true leaves come out. The method of the invention achieves the functions of increasing temperature, water preserving and controlling salt by pre-coating the mulching film, promotes the seedling emergency and formation of cottons in alkaline land sand realizes synergetic salt control effect by concentrated fertilization under the film, thereby having significant yield increasing effect.

The invention discloses a transplantation method for accelerating the growth and the development of a faint scent type tobacco plant, and belongs to the technical field of tobacco plant cultivation. The method comprises the following steps of land preparation, ridging, transplanting, seedling leading and film uncovering. Firstly, deep ploughing and land preparation are carried out, 1600-2400kg / mu of decomposed fertilizer is applied; then, ridging is carried out according to the line spacing of 100-120cm with the ridge height of 20-30cm and the ridge bottom width of 75-95cm; the double-line application of 16-24kg / mu of compound fertilizer, 35-45kg / mu of phosphate fertilizer, 12-20kg / mu of potassium sulphate, 1-2kg / mu of zinc sulfate and 15-25kg / mu of cake fertilizer is carried out during ridging; the tobacco seedling transplantation period is from later January to the medium May, punching is carried out according to the row spacing of 45-55cm with the hole width of 10-15cm and the depth of 15-20cm; before transplantation, 4-6kg / mu of compound fertilizer and 3-5kg / mu of potassium sulphate are subjected to hole application; after transplantation, 2-3kg of Dinggen water is poured, a mulching film is covered, and the distance between the top of the tobacco seedling to the mulching film is 10-15cm; when the top of the tobacco seedling supports the film after transplantation is carried out for 15-25 days, the seedling is led to cover soil and seal a dibble; and when the tobacco seedling enters the bloom growing period after transplantation is carried out for 30-40 days, earthing, weeding and watering are carried out. According to the method, the growth and the development of the tobacco seedling can be accelerated, the biomass accumulation is increased, the tobacco yield and quality can be improved, the faint scent flavor of the tobacco is reinforced, and the tobacco seedling illness catching rate is lowered.

The invention discloses a rare earth modified photocatalyst and a degradable plastic film prepared by the rare earth modified photocatalyst and a preparation method thereof. The rare earth modified photocatalyst of the invention consists of lanthanon and titanium dioxide, and weight of the lanthanon is 0.1 to 10 percent of that of titanium elements. The rare earth modified photocatalyst is blended with polyolefin resin, then the degradable plastic film can be prepared, and the weight of the rare earth modified photocatalyst is 0.1 to 20 percent of that of the polyolefin resin. The visible light utilization ratio of the rare earth modified photocatalyst is improved by 50 percent, bactericidal rate reaches 70 percent, contact angle is less than 10 degrees, the effect of the degradable plastic film is significant, and degrade ratio can reach 20 to 60 percent. The raw materials of the rare earth modified photocatalyst are inexpensive and innoxious, the preparation method is simple, and the rare earth modified photocatalyst has the advantages of light conversion, visible light sensitization, hydrophilic and antifogging, dust proofing, etc.

The invention discloses an amino calcium compound fertilizer and a manufacture method thereof; a finished product is manufactured by mixing raw material, zeolite, with carbamide, monoammonium phosphate and agricultural lemery after the zeolite is crashed; then feeding the mixture into a liquid melt storage slot; adding self-produced compound amino complex compound mixture after melting, fully and uniformly stirring the mixture, using a rotary nozzle pelletizer to pelletize; dropping spherical materials after pelleting in a prilling tower, drying and cooling the spherical materials by the air in the tower, and then carrying out sieving, measuring and packaging. The technique of the invention is simple, the manufacture cost is low and the prepared amino calcium compound fertilizer has the following advantages of: stimulating the plants to grow and improving crop output; upgrading crop quality and increasing the contents of protein, vitamin and sugar; having the effect of pesticide, reducing pesticide amount and reducing pesticide remnant amount; improving soil environment and promoting fertilizer soil productivity; improving and activating the soil; adjusting the vital movements of the plants and enhancing crop resilience such as drought resistance, cold resistance and lodging resistance, etc.; besides, the fertilizing cost is low, the ratio of output to input is high and economic benefit is good.

The invention provides a method for cultivating double wide-narrow bushes by alternatively changing wide rows and narrow rows of a corn strip field in a quantified and positioned manner. The method carries out rotary tillage and autumn ridging on a traditional ridging corn field; before the day of sowing in spring or in the day of sowing, a V-shaped rock to carry out two ridge and one combination to bail lands; bailing air dried soil on two ridges into an earth furrow between two ridges to form a whole flat level strip field by ridge surfaces of the two ridges and the earth furrow in the middle; the process of sowing utilizes a primary double-row spacing and narrow-row spacing of the wide rows and narrow rows to sow so that two rows of corn seeds on the strip field are rightly sowed on a corn unoccupied area to be planted in the soil of a plane wet strip field without fore-rotating crop corn stubbles. The method provided by the invention can improve capabilities of resisting spring drought and preserving seedlings at a seedling stage of corns. By utilizing the method, high-light effect ventilation and light transmission of corns are improved, empty sticks are reduced, lodging is resisted, and yield and income are increased.

A corn and peanut complex three-dimensional ecological intercropping planting method relates to a planting method for corns and peanuts. The corn and peanut complex three-dimensional ecological intercropping planting method can solve the problems that in the mode of long continuous cropping of corns and peanuts, straw reapplication is difficult, planting is out-off-balance, physic and chemical properties of soil deteriorate, pests and diseases become serious, the investment is increased but the yield is not increased, row spacing configuration is not reasonable during the conventional intercropping between the corns and the peanuts, and the utilization of light and heat resources is low. The method includes the following steps of: 1) good seed selection; 2) land selection and soil preparation; 3) soil testing and formulated fertilization; 4) field arrangement optimization; 5) seeding and reasonable close planting; 6) fine field management; 7) straw reapplication; and 8) crop rotation, fallowing and land maintaining. Many years of tests show that the yield of the corns can be increased by 2.0% to 8.0% more than that of the conventional planting method; compared with the conventional planting method, the yield of the peanuts can be increased by 1800 to 2200 Kg / hectare in average. The corn and peanut complex three-dimensional ecological intercropping planting method can be applied to the field of crop planting.

The invention relates to a multifunctional high temperature resistant composite preparation for tomato, and a preparation method thereof. The formula of the composite preparation comprises, by mass, 0.1-1% of mycose, 0.3-2% of carboxymethyl chitosan, 0.3-1.5% of salicylic acid, 0.1-0.5% of calcium chloride, 0.1-0.3% of boric acid, 0.1-0.3% of potassium dihydrogen phosphate and 94.4-99% of water. The composite preparation contains no plant growth regulator components, can substantially improve the content of chlorophyll in tomato plant blades in high temperature adversity situations, improves the photosynthesis rate, increases the output, improves the product quality, and effectively improves the high temperature resistance of tomato. The composite preparation has a substantial control effect on fruit blossom-end rot and other physiologic diseases of tomato at a high temperature.

An increase in the total grain and biomass yields and photosynthetic rates of plants grown at high densities is achieved by novel methods of defoliating the primary-source leaf of a majority of such plants. In particular the methods provide for increased grain and biomass yields, including for example, increased average kernel mass for maize plants, and photosynthetic rates through the timely removal of the primary-source leaf of a majority of the plants grown at high densities. This invention also relates to seeds obtained by using the disclosed methods.

The invention relates to a cherry tomato soilless culturing method on a plateau area. With a soilless culturing method, cherry tomatoes can grow and develop annually in plateau greenhouse; soil-spread disease infection and harm to the cherry tomatoes can be prevented; light resource can be fully utilized and photosynthesis can be promoted; and cherry tomato yield and taste can be obviously improved; the cherry tomato yield is high by the use of the technology, cherry tomato plants are strong and have low morbidity; and the cherry tomato soilless culturing method is quite suitable for application and promotion in greenhouse facilities in the plateau areas.

The invention discloses a grape nutrition-balanced foliar fertilizer, and the nutrition-balanced solution formula of the grape nutrition-balanced foliar fertilizer comprises the following ingredients of: 10 to 30 percent of medical stone extracting solution, 1 to 3 percent of cane sugar, 0.005 to 0.02 percent of gibberellin, 0.015 to 0.03 percent of citric acid, 0.10 to 0.30 percent of amino acid, and the balance of water, wherein water is distilled water or deionized water. The foliar fertilizer is sprayed on the foliage of grapes at the critical fruit growth periods (grape fruit-bearing period, fruit expansion period and fruit veraison period), can comprehensively provide nutrient elements which are necessary for grape fruit and nutritional growth and satisfy the nutritional requirements at the critical periods of grape growth and development, not only has the function of providing all-sided nutrition for grape, but also has the advantages of safety, environmental protection, fertilizer and water saving, and the like, and can be popularized and applied in grape cultivation in south Xinjiang or regions that are similar to the south Xinjiang in climate and soil.

The invention discloses a special anti-cracking foliar fertilizer for a jujube tree, and a preparation method and an application thereof. The special anti-cracking foliar fertilizer for the jujube tree is composed of the following components in percentages by mass: 5% to 8% of potassium chloride, 7% to 15% of calcium chloride, 1% to 5% of borax, 1% to 5% of chelated magnesium, 1% to 3% of chelatediron, 0.5% to 1.5% of zinc sulfate, 0.2% to 0.6% of manganese sulfate and 3% to 4% of organosilicon, with the balance being water. The foliar fertilizer provided by the invention has low production cost, is safe and effective, and is beneficial for and harmless to human and livestock; mineral elements added in the foliar fertilizer are needed by animals, and can effectively prevent a variety of diseases like yellow-leaf disease and little-leaf disease caused by nutrient deficiency of a fruit tree; the disease resistance of a tree body is strengthened; the quality of a fruit is improved; the soluble sugar content of a fruit is improved by 14.3% to 43.5%, the weight of a single fruit is increased by 5% to 13.3%; the proportion of high-quality fruits is increased by 20.2% to 69.8%; the proportion of low-quality fruits is decreased by 28.9% to 76.9%; the fruit cracking rate of golden-silk jujube is significantly decreased by 30% to 45%; meanwhile, the contents of mineral elements in fruits and leaves are significantly improved; and the foliar fertilizer is free of any side effects, is safe and reliable, and is a green and environment-friendly product.

The present invention generally relates to the field of genetic engineering and obtaining transgenic traits for agronomic applications. More specifically, the present invention relates to a specific transgenic event in agricultural crops that improves plant characteristics. Yet more specifically, the invention relates to a polynucleotide construct comprising a gene from Arabidopsis thaliana. In particular, the polynucleotide construct of the invention comprises the gene AtBBX21 which encodes a B-box protein from Arabidopsis thaliana. The transgenic event of the invention increases green and seed yield, reduces photoinhibition, improves water use efficiency, increases tuber and chlorophyll production and improves photosynthetic rates, among others. The polynucleotide construct of the invention comprises a sequence depicted as SEQ ID NO: 1. The invention also provides a transgenic plant transformed with said polynucleotide construct, wherein said plant exhibits improved characteristics. In a particularly preferred embodiment, the transgenic plant is a potato (Solanum tuberosum) plant that overexpresses a gene from Arabidopsis thaliana, wherein said potato plant exhibits improved characteristics.

The invention belongs to the technical field of nanomaterials, and discloses a leaf surface nanometer light conversion method for promoting plant photosynthesis. The preparing method specifically includes the following steps of A, preparing soil silicon dioxide through an oil bath backflow method; B, preparing hexagonal phase NaYF4:Yb,Er up-conversion nanoparticles through oil bath backflow and a hydrothermal method; C, preparing CDs through the hydrothermal method; D, compounding the sol silicon dioxide, carbon dots and NaYF4:Yb,Er through a mechanical stirring mode, and conducting washing and drying to obtain a NaYF4:Yb,Er / carbon dot nanometer compound light conversion material. The obtained nanometer compound light conversion material is prepared into turbid liquid to be sprayed on leaf surfaces of bean seedlings, the light conversion (absorption of near infrared light and emission of red light) of the leaf surfaces is realized, and therefore the photosynthetic rate of the bean seedlings is increased, and the fluorescent imaging of the leaves of the bean seedlings is conducted. The prepared composite nanoparticles have high water dispersibility and stability. The method has potential application prospects in illumination agriculture and plant imaging.

The invention discloses a high-efficiency seedling cultivation method for promoting the premature tillering of sugarcane tissue cultured seedlings, and belongs to the technical field of plant tissue culture. The high-efficiency seedling cultivation method for promoting the premature tillering of the sugarcane tissue cultured seedlings comprises the following steps of after the disinfection treatment carried out on a sand bed, hardening the sugarcane tissue cultured seedlings and then cleaning and disinfecting the sugarcane tissue cultured seedlings, afterwards, planting the sugarcane tissue cultured seedlings on the sand bed, watering enough rooting water, covering with a film, thinly applying compound fertilizer to obtain plantlets after sprouts survive, pruning the seedlings and then transplanting the seedlings in a potted tray which uses bagasse nutrient soil as a matrix, after the plantlets survive, pruning and hardening the seedlings, then thinly applying the compound fertilizer, pruning the seedlings after leaves grow too luxuriantly, and then carrying out field planting with soil in a big field, so as to complete the seedling cultivation. By using the high-efficiency seedling cultivation method for promoting the premature tillering of the sugarcane tissue cultured seedlings, the tillering effect of the sugarcane tissue cultured seedlings can be increased furthest; the high-efficiency seedling cultivation method for promoting the premature tillering of the sugarcane tissue cultured seedlings has excellent effects at the multiplication aspect and the strong seedling aspect of the tissue cultured seedlings, is applicable to the large-scale transplantation of the sugarcane tissue cultured seedlings; not only is the quantity of the sprouts of the sugarcane tissue cultured seedlings increased, but also the survival rate is guaranteed; further, the sprouts grow healthily and strongly; the high-efficiency seedling cultivation method for promoting the premature tillering of the sugarcane tissue cultured seedlings has the characteristics of simple operation, high efficiency and further low cost.

The invention relates to a method for increasing the photosynthetic capacity of drought mixed matrix lawn plants by adopting rare-earth cerium. The method comprises the step of sowing seeds of the lawn plants on a mixed culture matrix for lawn planting, wherein 200mg / Kg-800mg / Kg of rare-earth cerium is contained in 1.5-2kg of mixed culture matrix soil and the mixed culture matrix is the compost of soil and municipal solid waste in a weight part ratio of 4:(1-2). According to the method provided by the invention, a certain amount of rare-earth cerium is applied, so that the photosynthetic rate of the lawn plants can be obviously increased. The application of the technology is expected to realize a high-efficiency and low-cost operating mode in large-area urban lawn planting.

The invention relates to the technical field of fertilizer, in particular to fertilizer for repairing, preventing and controlling soil degradation and a preparing method thereof. The fertilizer comprises, 76-95% of active ingredients, 32.5-41.7% of nitrogen phosphorus potassium, 24.5-41% of organic matter, 11.75-19.3% of humic acid and 1-2% of amino acid. The fertilizer can supplement the effective organic matter, the humic acid and nutrient substances with water-soluble activity micro-molecules for soil, regulate the carbon and nitrogen ratio of the soil, activate a soil eco-system, regulate micro-ecological balance of the soil, and repair soil colloid, a soil enzyme system and a soil granular structure; meanwhile, water is stored, the fertilizer is preserved, soil acid-base is relieved and balanced, soil fertility is fostered, and soil degradation is prevented and controlled. The preparing method for the fertilizer for repairing, preventing and controlling soil degradation is easy to operate, saves manpower and material resources, and is high in manipulability, and beneficial for industrial production.

The invention belongs to the field of materials, relates to an anti-ageing dimming color master batch for plastics and in particular relates to a special anti-ageing dimming green master batch for a ginger greenhouse film and a preparation method of the special anti-ageing dimming green master batch. The special anti-ageing dimming green master batch is prepared by the following steps: using pigments, a light stabilizer and an antioxidant which are specially selected, loading on a sustained-release agent, and obtaining the special anti-ageing dimming color master batch for ginger cultivation with a carrier resin as a matrix. The special greenhouse film prepared by adding the special anti-ageing dimming green master batch is difficult in color fading and good in anti-ageing performance and is capable of providing light environment needed by a growth development period of gingers, facilitating growth and development of the gingers and remarkably increasing the yield of ginger.

The present invention discloses a carbon-based composite biological fertilizer. The carbon-based composite biological fertilizer is prepared from the following raw materials in parts by weight: 20-60parts of biochar, 10-30 parts of plant ash, 8-25 parts of medical stone powder, 3-15 parts of zeolite powder, 2-8 parts of potassium feldspar powder, 1-6 parts of ground phosphate rock, 15-45 parts ofhumic acid, 1-10 parts of potassium fulvate and 1-15 parts of photosynthetic nitrogen fixation composite bacteria. The carbon-based composite biological fertilizer gives full play to the respective advantages of photosynthetic nitrogen fixation composite bacteria, biochar, plant ash, medical stone powder, zeolite powder, potassium feldspar powder, ground phosphate rock, humic acid and potassium fulvic acid, not only realizes effective improvement and remediation of soil and improves the crop yield, but also is beneficial to promoting the development of green low-carbon agriculture. The invention also provides a preparation method of the carbon-based composite biological fertilizer, which is simple and convenient to operate and convenient for batch production. The invention also provides application of the carbon-based composite biological fertilizer, and the carbon-based composite biological fertilizer is compounded with one or more of decomposed manure, an organic fertilizer, slag, biomass pyrolysis residues or crop wastes according to different types of soil, so that the fertilizer efficiency is exerted.

The invention discloses a cultivation method for increasing the yield of Gaza sugar oranges. The method comprises the steps of variety selection, land management, field planting, plant management and disease and pest prevention and cure. According to plant management, plant growth modifier liquid added with water is sprayed before the flower bud differentiation period and during the flower falling period and the fruit expansion period, differentiation of flower buds of the Gaza sugar oranges is promoted during the flower bud differentiation period, flower forming genes are induced, the number of female flowers is effectively increased, stigmas and male flowers are protected, repression is removed, self-pollination or cross-pollination and fertilization are promoted, proline synthesis in crop bodies can be improved, protein denaturation caused by plant cells under the low-temperature and high-temperature states can be avoided, the flowers setting the Gaza sugar oranges are effectively protected from cold injury, and can set fruits normally, and the fruits can be effectively prevented from being scorched by the sun, cracking or shrinking; fruit expansion is accelerated, the fruit shape is lengthened, the effect is remarkable, and the yield of the Gaza sugar oranges is increased.

A nutrient ginseng growth regulator belongs to modern Chinese traditional medicine field. Because the ginseng is a perennial perennial plant, if the ginseng has grown for sever years, the soil condition will deteriorate, and the ginseng will be in poor, thereby reducing the yield and the quality of the ginseng, accordingly, for solving said problems, the nutrient ginseng growth regulator is provided. In the invention, by applying the nondurable nutrient elements comprising P, K, Fe, B, Mn, Cu, Zn, and Mo and the plant growth regulator ethephon+6-BA on the leaves of the ginseng once at the final stage of the ginseng leaf expansion, once at the green fruit stage, and once at the fruit red ripe final stage, the growth of the ginseng can be regulated and promoted, thereby improving the yield and quality. The growth regulator can be used conveniently and the cost thereof is low.

The invention relates to the field of agricultural fertilizers and in particular discloses a non-chemical foliage fertilizer. The non-chemical foliage fertilizer comprises 35-38% of amino acids, 5% ofpolyaspartic acid, 5% of polyglutamic acid, 10% of a mineral source potassium fulvic acid, 30-33% of wood vinegar, 2% of EM bacterium, 2-4% of chelating zinc, 2-3% of chelating boron and 2-3% of chelating iron. The invention further discloses a preparation method of the non-chemical foliage fertilizer. The non-chemical foliage fertilizer disclosed by the invention can avoid application of pesticides and has effects of biological sterilization and disease prevention and resistance; and any hormone is not used, and the non-chemical foliage fertilizer is capable of rapidly improving the photosynthetic rate of plants, retaining water, resisting drought, realizing sustained-release long effect and increasing yield and income.

The invention discloses a green alga and viable bacterium compound, a method for preparing the same and application of the green alga and viable bacterium compound. The green alga and viable bacteriumcompound comprises, by weight, 40-60 parts of green algae and 10-20 parts of viable bacteria. The green algae are chlorella, and the viable bacteria are photosynthetic bacteria and bacillus polymyxa.The green alga and viable bacterium compound, the method and the application have the advantages that the green alga and viable bacterium compound can be used in the agricultural field; the bacteriaand the algae are complementary with one another, and accordingly the green alga and viable bacterium compound is environmentally friendly; effects of promoting growth of crops, improving the diseaseresistance of the crops, increasing the yield of the crops and improving the quality of the crops can be realized; the green alga and viable bacterium compound can be used as a foliar fertilizer, accordingly, the photosynthetic rates of the crops can be increased by 2-3 times, nitrogen sources and carbon dioxide in air can be sufficiently utilized, energy can be saved, and environments can be protected; effects of remedying soil further can be realized by the green alga and viable bacterium compound, and effects of immobilizing heavy metal, degrading harmful substances such as polycyclic aromatic hydrocarbons, reducing the salt concentration and improving the water retention and fertilizer conservation capacity of the soil can be realized by the green alga and viable bacterium compound.

The invention relates to a composition for inhibiting tomato bacterial wilt and an application thereof. Mineral powder and organic fertilizers are uniformly mixed according to a mass ratio of (45 to 60 percent):(40 to 50 percent) to be applied into soil so that the mass content of the composition in the soil reaches 2 to 4 percent, and the mineral powder is a mixture consisting of 5 to 15 mass parts of quartz, 10 to 15 mass parts of alkali feldspar, 10 to 20 mass parts of apatite, 5 to 10 mass parts of hydromica, 3 to 5 mass parts of vermiculite, 10 to 15 mass parts of chlorite, 12 to 15 massparts of smectite, 5 to 10 mass parts of attapulgite and 5 to 10 mass parts of kaolinite. The composition can be used for effectively preventing and treating the tomato bacterial wilt, and the prevention and treatment effect is as high as 89.99 percent.

The invention relates to a preparation method and application of a nano carbon dioxide capturing agent, and the preparation method of the nano carbon dioxide capturing agent comprises the following steps: taking cationic surface active agent modified bentonite as a carrier; the CO2 nano capturing agent prepared from the loaded cationic surface active agent modified chitosan, graphene oxide and loaded organic alkali modified hydrotalcite has the photocatalytic effect of a nano material, captures and combines carbon dioxide in air to be enriched around leaves and stems for crop absorption and utilization, enhances photosynthesis, improves the photosynthetic rate, and inhibits light respiration at night; the chlorophyll is synthesized for crop growth, three elements of carbon, hydrogen and oxygen necessary for crop growth are accumulated, organic components such as nitrogen, phosphorus and potassium in soil are effectively absorbed, synthesized and converted, inoculation, growth and maturity of crops are fully promoted, and yield and income are increased. The CO2 trapping agent can be used for facility crops and field crops, and the CO2 trapping agent at normal temperature and normal pressure has wide application.

The invention discloses a rice leaf green-keeping anti-freezing agent, and a using method and application thereof. The rice leaf green-keeping anti-freezing agent comprises gibberellin and brassinolide, wherein the weight ratio of gibberellin to brassinolide is (50-200):(0.025-0.10). The rice leaf green-keeping anti-freezing agent can also comprise chitosan oligosaccharide according to a certain ratio. When the rice leaf green-keeping anti-freezing agent is used, an aqueous solution form is adopted, wherein an aqueous solution is prepared from 50 to 200mg / L of gibberellin, 0.025 to 0.10mg / L of brassinolide and 100 to 300mg / L of chitosan oligosaccharide, and is applied to rice leaves in a spraying way during the full heading stage to milk-ripe stage of rice, and 30 to 45 liters of aqueous solution is applied to each acre. The rice leaf green-keeping anti-freezing agent can be applied to prevent the hazard of low temperature damage in autumn after the filling of late rice, has leaf anti-freezing and green-keeping effects as well as the effects of promoting the photosynthesis of the rice and retarding the aging of the leaves, has remarkable yield increasing effects, is a novel rice culturing technology capable of ensuring the high and stable yield of rice, and is suitable for popularization and application.

The rare earth ecological liquid as plant growth regulator consists of rare earth, amino acid, RNA, sucrose ester of fatty acid, cyclodextrin, glycerine and pure water as well as complex. It is solution containing chlorinated RE, amino acid and biological preparation complex, and contains no chemical hormone. It is foliage applied, has high and fast effects of degrading pesticide residue, raising plant resistance to disease, pest, drought and cold and prolonging growth period, and is safe and environment friendly.

The invention discloses a functional foliar fertilizer and a preparation method thereof. The functional foliar fertilizer is prepared from urea, sodium selenite, disodium octaborate tetrahydrate, potassium dihydrogen phosphate, fulvic acid, trace elements, garlic polysaccharide, pullulan, polyglutamic acid, ethylenediamine tetraacetic acid disodium salt, naphthylacetic acid, a zinc ion-porphyrin nanocomplex and water. The functional foliar fertilizer provided by the invention has the excellent performance of high efficiency, environmental protection, seedling strengthening, stress resistance and insect pest resistance, can quickly penetrate into plants after contact, and promote cell growth and division, and synthesis of nucleic acid and protein, delay organ abscission and crop senescenceas well as chlorophyllin synthesis, increase the photosynthetic rate and enhance the stress resistance, break apical dominance, and promote the robust rather than flourishing growth of plants, not only increases the total nutrient synthesis, but also coordinates the distribution relation of nutrition and reproductive growth, and greatly improves the crop yield and quality.