252 results about "Excessive growth" patented technology

A cell or tissue-culturing carrier which can effectively regenerate an intended a cell or tissue, while suppressing an excessive growth of fibroblasts, and a method of culturing a cell or tissue by using the above carrier, the cell or tissue-culturing carrier wherein fibroblasts showing substantially no growing property in a gel based on the hydrogel-forming polymer, is constituted by using a hydrogel-forming polymer; an aqueous solution of which shows a thermo-reversible sol-gel transition such that it assumes a sol state at a lower temperature and assumes a gel state at a higher temperature.

The invention belongs to the field of agricultural technology, and particularly relates to a nutrient solution and a method for producing potato breeder seeds by aeroponics. The formula of the nutrient solution provided by the invention mainly comprises the elements such as nitrogen, phosphorus and potassium; and in the faculty of agricultural sciences, the formula is improved based on the formula of a potato MS culture solution, and the concentration ratio of nitrogen to phosphorus to potassium is properly adjusted according to different growth periods of potatoes. The method for producing potato breeder seeds by aeroponics provided by the invention starts from each link of large-scale production of potato breeder seeds, and comprises detailed operation measures in terms of nutrient solution, strong seedlings of tissue culture seedlings, disinfection of an aeroponics device, seedling loading and drawing, pest control, treatment and storage after potato harvesting and the like so as to solve the problems such as low survival rate of aeroponics seedlings, low single-strain potato yield, damage caused by diseases and insects and low output of breeder seeds caused by excessive growth of aeroponics seedlings due to a bad aeroponics management method in aeroponics production.

The invention relates to a synthesis method of nanometer oxide powder, which belongs to the technical field of ultra fine powder preparation. The method comprises the following steps: respectively adding acid substances and alkaline substances into proper dispersing agents and surface active agents; carrying out mixing reaction again on two mixtures under a certain mixing condition at the proper temperature after being uniformly dispersed under a certain dispersing condition; and thus, directly synthesizing the required oxide nanometer powder. The synthesis method does not need high-temperature calcination, and inhibits the generation of the glomeration and the excessive growth of crystal grains, and the oxide powder with the grain diameter between 5 and 100 nm, uniform grain granular size, narrow grain distribution and uniform and stable ingredient can be directly prepared from the solution. The powder prepared by the synthesis method has high chemical activity and wide application range.

The invention discloses a cucurbit and vegetable breeding substrate. A production method of the cucurbit and vegetable breeding substrate comprises steps of (1) mixing grass carbon, fermented biogas residues, bio-organic fertilizers and the like; (2) adding ammonium sulphate, potassium sulphate, monoammonium phosphate, manganous sulfate, boric acid and the like to a sprayer containing water and stirring uniformly fully for use; and (3) sieving the bio-organic fertilizers in the step (1) and enabling the bio-organic fertilizers to sink into other materials of the step (1) except the bio-organic fertilizers, adding the mixture solution of step (2) into the mixture of the step (1), turning and mixing once, using a square-hole screen to sieve once till all mixtures pass the screen, adding proper water, continuing to turn and stir three times, using a plastic film to cover mixtures for stack and smothering for 48 hours after completion of preparation, sampling, and performing quantitative package after inspection. The substrate has good fertilizer effects, releases nutrition slowly and is disease resistant, degeneration resistant, comprehensive in nutrition and good in pertinency. The germinate rate and seedling emergence rate of seeds are improved, seedlings are strong and free from excessive growth, soaked roots, dwarf and mummification, blossom buds of seedlings are differentiated normally, and characteristics, the yield and the quality of agricultural products are guaranteed.

The multifunctional slow releasing lawn fertilizer is prepared through mixing cake residue, turf, humic acid, nitrogen fertilizer, phosphate fertilizer, potash fertilizer, trace elements, and plant growth regulator. It has perfect nourishing and curing function, slow releasing function, and fast, stable and lasting fertilizer effect. Test shows that lawn with the fertilizer applied has early regreening in spring, no excessive growth in summer, fast restoring in autumn, less diseases and pests and long green period, and is environment friendly.

The invention relates to a multi-functional peanut growth inhibitor which is composed by the weight ratio of following components, paclobutrazol to prohexadione calcium to uniconazole is 3: 1.2-1.5: 0.8-1.2. The invention not only can effectively control the growth of the vegetative part of the peanut on the ground, can prevent the peanut from overgrowing and lodging, but also can effectively avoid the side effect brought by general growth inhibitor (e.g. paclobutrazol). At the same time, in the growth anaphase of the peanut, the invention can remarkably improve LAI (leaf area index), effective LAI, leaves membrane-lipid protective enzymatic activity (SOD, POD, CAT), Pr (soluble protein) content and so on, can reduce MDA content and can postpone the senescence rate of peanut leaves. More importantly, the invention can remarkably improve the output of pods. The production can be increased by 16.6 percent- 23.0 percent more than the production without spraying any inhibitor, and can be increased by 7.6 percent- 13.7 percent more than the production only spraying paclobutrazol. The invention solves the problem that the overgrowth and presenility can not be prevented synchronously in the production process of the peanuts.

The invention relates to a composite growth regulator for beet stress-resistant yield and sugar-increased seedling stage and a using method thereof. The composite growth regulator is prepared from plant hormone, Ca2 and various signal substances, is particularly suitable for saline and arid environment conditions, and can induce the expression of beet stress-resistant genes and accelerate coordination and unification between the beet and the environment, the individual and population, the root and the overground part, the external form of the plant and internal physiological function. After the beet is transplanted, the salinization resistance, drought resistance and disease resistance can be effectively enhanced; and the problem that the beet yield and the sugar content resulted from the influence of salinization, drought and disease spreading are reduced year by year is solved. The regulator also has the characteristics of a common strong-seedling agent and also can solve the problems of vain growth, disease susceptibility and weak seedlings of the young seedlings in the beet seeding culture process; the beet root yield under the saline and arid environment conditions reaches 47,267.47kg / hm<2>, the yield is increased by 16 to 18 percent; the sugar content is 16.1 percent, and is increased by 0.9 to 1.2 percent; and the effects of increasing the yield and sugar are obvious.

The invention discloses a synthetic method for monodisperse spinous gold nanoparticles. The synthetic method comprises the following steps that (1) a first chloroauric acid solution, a second chloroauric acid solution, a first silver nitrate solution, a second silver nitrate solution, a glutathione solution, a sodium borohydride solution, a first ascorbic acid solution, a second ascorbic acid solution, a hexadecyl trimethyl ammonium bromide solution and a hexadecyl trimethyl ammonium chloride solution are prepared; (2) a growth solution is prepared; (3) an excessive growth solution is prepared; (4) rod-shaped gold nanoparticles are prepared; (5) a rod-shaped gold nanoparticle solution is prepared; and (6) the rod-shaped gold nanoparticle solution, the excessive growth solution and ultra-pure water are mixed and stirred, standing is conducted at the constant temperature, and the monodisperse spinous gold nanoparticles are obtained. According to the method, the monodisperse spinous gold nanoparticles which are high in yield and adjustable in size, number of surface thorns, length and width can be obtained, used ligand can be subjected to ligand exchange with other biocompatibility ligand, and application of the gold nanoparticles is further expanded.

The invention discloses a landscape plant growth retardant and a preparation method thereof. The retardant comprises the following components in part by weight: 10 to 45 parts of plant growth regulator; 5 to 20 parts of bactericide; 40 to 70 parts of nitrogenous chemical fertilizer; 0.01 to 0.1 part of stress resisting agent; 0.01 to 0.1 part of phenylpropionic acid compound and 0.0005 to 0.001 part of lanreotide. The invention finds that the phenylpropionic acid compound has the effect of obviously delaying plant growth for the first time and the lanreotide for anticancer research is appliedto the retardant; and the plant growth regulator, the phenylpropionic acid compound and the anreotide are combined in a synergistic way so that the effect of the landscape plant retardant is well achieved. The retardant can restrain the excessive growth of new branches of trees and shrubs, shortens the length of internode, increases the blade thickness and the chlorophyll content, reduces the occurrence of dry rot, has good stress resistance and reduces the lawn grass chlorosis phenomenon and diseases.

The invention relates to a biological agent for controlling excessive propagation of blue-green algae of aquaculture water and a preparation method of the biological agent, and belongs to the technical field of aquaculture. The preparation method of the biological agent comprises the following steps: mainly weighing commercially available high-activity lysozyme, multifunctional microbial strains, lysine and carriers according to the ratio; mixing the components uniformly at the temperature of 20 DEG C; and packaging and sealing the mixture by using an automatic packaging machine, wherein the net content of each package is 250 to 500 g. The biological agent can be directly thrown into the aquaculture water to quickly degrade macromolecular organic matters such as protein in the aquaculture environment, remove plant nutrients such as nitrogen and phosphorus in water and sediment environments, inhibit excessive growth and propagation of the blue-green algae, accelerate death of blue-green alga cells, reduce the chlorophyll content of the water, reduce the density of the algae, increase the transparency, quickly repair entrophication of the aquaculture water environment and provide a good water environment for aquatic organisms.

The invention discloses a multicomponent composite fertilizer special for peanuts, which belongs to a crop fertilizer. The multicomponent composite fertilizer special for peanuts comprises the following components: 35 percent of total nutrients including 16 percent of nitrogen, 10 percent of phosphorus and 9 percent potassium, more than or equal to 10 percent of medium and trace elements, 7-9 percent of organic matter and 2-5 percent of amino acid. The medium and trace elements comprise trace elements including molybdenum, zinc, manganese, boron and iron. The multicomponent composite fertilizer special for peanuts has the advantages of nutrient content assurance and reasonable proportioning balance. The multicomponent composite fertilizer special for peanuts can effectively improve the immunological competence of the peanuts, regulate endogenous hormone, inhibit the regeneration of insect eggs, activate the activity of root azotobacter, promote root development, quicken nutrient absorption, achieve the functions of strengthening seedlings, promoting growth and promoting flowering, prevent bacterial wilt, continuous cropping symptoms and leaf spots, also prevent excessive growth and take special effect on symptoms including mosaic disease, chlorotic disorder, flocculi, defoliation and the like. After applied, the multicomponent composite fertilizer special for peanuts can effectively improve the percentage of fertile fruits and the thousand grain weight, promote the mellow and full degrees of fruits and achieve remarkable effect of production increase.

The invention discloses a pepper spring advanced cultivation method, comprising the following steps of (1) variety selection: an early-maturing or medium and early-maturing high-yield variety which is resistant to weak light and low temperature, difficult in excessive growth and strong in continuous fruit setting capability is selected; (2) cultivation, seedling growing facility and time: when a solar greenhouse with excellent heat preservation property is used for cultivation, about 75g of seeds are sown in every 667 square meters; (3) field planting and fertilization: when previous stubbles are removed, deep ploughing and upturned soil solarization are carried out in time, and field planting is carried out when the ground temperature of 10cm inside the greenhouse is kept at 10DEG C; (4) harvesting: the price of spring advanced pepper is higher in the early period, and the pepper can be sold in time when the market price is higher according to the growing condition of the fruits, first grown pepper is picked early, and seedling dropping is avoided. The pepper spring advanced cultivation method is high-temperature-resistant, virus-resistant, strong in growth vigor, centralized in fruiting, and capable of fruiting a pepper variety with big fruits, thick pulp and more frigostabile property and increasing yield, the commodity grade can be improved, disease prevention is facilitated, the continuous selling of products is facilitated, the flower, fruit and leaf dropping of pepper is avoided, and the local economic benefit is greatly improved.

The invention provides a conductive metal interconnection wire. The conductive metal interconnection wire comprises at least one conductive metal film layer and at least one high melting point metal film layer with thickness of a nanometer magnitude which are mutually deposited on a substrate in a reciprocating mode, and sum of thickness of the at least one conductive metal film layer and thickness of the at least one high melting point metal film layer is preset thickness. According to the conductive metal interconnection wire and a manufacturing method thereof, periodic reciprocating deposition of the at least one conductive metal film layer and the at least one high melting point metal film layer with thickness of the nanometer magnitude is carried out, deposition of the high melting point metal film layer at proper thickness can greatly absorb stress of the conductive metal film layers, so stress in the conductive metal film layers can be released, a hill phenomenon is effectively inhibited, excessive growth of a conductive metal crystal grain is further restricted, and thereby surface roughness of a whole film can be reduced, and the conductive metal interconnection wire manufactured through the deposition method has excellent performance and satisfies application requirements of mass production.

The invention discloses a sulfuric acid-boric acid-additive ternary anodizing fluid, which is prepared by adding 1.6-7.6ml of sulfuric acid, 0.1-1.1g of boric acid and 5-100mg of additive into 100ml of deionized water. The additive is benzotriazole, 2-mercaptobenzothiazole, dithizone or 8-oxyquinoline. The anodizing fluid of the invention is the improvement of aluminium and aluminium alloy sulfuric acid-boric acid binary anodizing fluid, and cupreous efficient cathodic corrosion inhibitor is added to enable that preferential adsorption of the corrosion inhibitor is carried out on the copper-containing particle position of an aviation aluminum alloy surface, thus forming a compact reticulatepattern complexing product, providing targeted protection on copper-containing aluminum alloy phase particles, decreasing the current concentration tendency, and inhibiting excessive growth of oxidation film cavern defect at the position of the copper-containing aluminum alloy phase particles.

The invention discloses a nano rare-earth permanent magnet material, which consists of ferric oxide, aluminum oxide, barium carbonate, strontium carbonate, lanthanum oxide, neodymium oxide and zinc stearate, wherein the aluminum oxide, the lanthanum oxide and the neodymium oxide are added in the form of nanoparticles, and the magnet material is prepared through steps of pre-sintering, breaking, sheet stamping and sintering. The magnet material disclosed by the invention is reasonable in formula and simple in preparation method; the nano material, as a control agent of a crystal microstructure, can effectively reduce sintering temperature and inhibit excessive growth of magnet grains, so as to improve magnetic performance; and the nano material also can perfect the crystal structure, thus improving saturation induction density of the magnet.

The invention discloses a method for preserving flower and fruit of river citrus aurantium, which comprises the following steps: pruning, fertilizing, regulating leaf-fruit ratio and spraying growth regulator. The method is characterized by comprising the following process: the preservation method also comprises flower-bud differentiation promotion treatment which comprises the following steps: A. Cerclaging the vigorous branch groups with wires before September; B. Cutting, exposing and drying the roots after the complete maturity of the autumn growth in the autumn and the winter; C. after the complete maturity of the autumn growth in November, spraying the leaves with 2, 4 - dichlorphenoxyacetic acid solution of 100 ppm, or 2-CCC (chlorocholine chloride) solution of 1000 to 2000 ppm. The invention adopts a series of flower-bud differentiation promotion treatments on the basis of the existing techniques. The invention regulates the nutrition provision and improves the flower-bud quality. As a result, not only the shattering of flowers and fruits is greatly reduced, but also the fruition rate is increased by 32 percent. The method successfully avoids the excessive growth of the branch and reduces the cost. Meanwhile, the invention also provides a simple and easy way of operation, which is accessible to ordinary farmers.

The invention discloses a preparation method of composite metallic oxide powder. The method comprises the steps of: adding a diffluent organic matter during mixing solid phases, uniformly mixing by means of ball milling, drying under a high temperature, and putting the mixture into an electric furnace under the temperature of 600-900DEG C for thermal treatment so as to obtain a composite metallicoxide powder product. The diffluent organic matter is complexed with metal ions by using the ball-milling energy, so that the phase-forming difficulty of the product is reduced, and the product purity is improved; and the diffluent organic matter plays a part in space limit during the thermal treatment, so that the crystalline grain excessive growth of the composite metallic oxide powder product can be restrained and the happening of aggregation can be effectively reduced. Compared with the prior art, the method is low in cost, simple in technology, and environment-friendly, and suitable for the industrial production. The prepared composite metallic oxide powder is small in crystalline grain, pure in material phase, uniform in granularity, small in aggregation, and good in sintering activity.

The invention relates to the technical field of life and industry water processing technique, in particular to a spiral channel column anode which comprises a water inlet, a bottom board, a baffle board, perforated carbon felts, a graphite bar, a proton membrane, a top board and a water outlet, wherein the proton membrane is surrounded to be of a cylinder shape, two ends of the proton membrane are bonded with the top board and the bottom board together to form an anode chamber; holes are evenly distributed on the carbon felts, every two carbon felts are sintered integrally after staggering a certain angle to form the column anode internally provided with a spiral channel; and the graphite bar is screwed into the sintered carbon felts to ensure that the graphite bar and the carbon felts form better contact so as to be convenient for leading electrons out of the anode chamber. Compared with the prior art, the invention increases the attaching area of microorganism and lowers the batter internal resistance as well as improves the electrogenesis property by adopting a packing electrode, prolongs the remaining time of water power and prevents the blockage caused by excessive growth of the microorganism through arranging the spiral channel, and leads the electrode to be strengthened through an improved connecting way of the graphite bar and the carbon felts and the sintering way among the carbon felts.

The invention discloses titanium dioxide hollow micro-nano spheres as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly preparing or collecting porous titanium dioxide micro-nano spheres, then loading the porous titanium dioxide micro-nano spheres with a straight-chain polymer on the porous titanium dioxide micro-nano spheres to obtain titanium dioxide micro-nano spheres loaded with the straight-chain polymer, then coating the surface of the titanium dioxide micro-nano spheres loaded with the straight-chain polymer with a cross-linked polymer, calcining, wherein since the straight-chain polymer and the cross-linked polymer are different in decomposition speed in the calcining process, a titanium dioxide migration acting force is generated, so that the titanium dioxide crystal grains migrate, the titanium dioxide is transferred into the cross-linked polymer coating layer and fixed and limited by functional groups on the surface of the cross-linked polymer, and the agglomeration and excessive growth of the titanium dioxide crystal grains in the calcining process can be effectively protected, and finally obtaining the titanium dioxide hollow micro-nano spheres. The obtained titanium dioxide hollow micro-nano spheres are large in specific surface areaw and small in crystal particle size; and moreover, compared with the titanium dioxide hollow micro-nano spheres prepared by a traditional template, the catalytic performance is greatly improved.

The invention discloses a method for planting potatoes. During the germination period, water should be sprinkled to prevent dryness. The cutting tools used for cutting should be strictly sterilized with potassium permanganate or alcohol to prevent microorganisms and pathogenic bacteria from causing damage to potato tubers. Infection, the potato pieces after drying in the shade are moved to a warm and sunny place to dry the seeds, so that the young shoots are green and strong, and the foliar spraying of 1% potassium dihydrogen phosphate solution can promote the early emergence of seedlings, and the flower buds are removed during the flowering period, reducing Nutrient consumption can promote the development of potato pieces. When the potato plant height is 18 cm, spray the water with paclobutrazol, which can prevent the plants from growing excessively and lodging, and increase the rate of large and medium potatoes. After the middle flowering period, use carbendazim to prevent and control late blight , a potato planting method proposed by the present invention, which greatly saves labor, reduces the cost of potato planting, improves the survival rate of potatoes, enhances the benefits of planting potatoes, enhances the disease resistance and pest resistance of potatoes, and achieves The purpose of high yield and high quality has great promotion value.

It is known to provide a reoxidation step in the manufacture of a MOSFET that serves a number of structural purposes in relation to the MOSFET. However, the need to provide materials of high dielectric constant for gate insulator layers of MOSFETs to accommodate a drive for smaller integrated circuits has led to excessive growth of an SiO2 interfacial layer between the gate insulator layer and a substrate. Excessive growth of the SiO2 layer results in an Effective Oxide Thickness that leads to increased leakage current in the MOSFET. Further, the replacement of polysilicon with metals as electrodes precludes oxygen exposure during processing. Consequently, the present invention provides replacing or preceding the reoxidation step with the deposition of an oxygen barrier layer over at least side walls of a gate electrode of the MOSFET, thereby providing a barrier for oxygen diffusion to the dielectric interface and metal gate electrode that prevents EOT increase and preserves metal gate electrode integrity.

The invention relates to the technical field of battery materials, and especially relates to a preparation method of a lithium ion battery cathode material of lithium manganese silicate; the invention directly adopts SiO2 as a raw material, and the preparation process comprises the following steps of pretreatment, ultrasonic dissolution, glue preparation, gelation, drying, pre-roasting, and roasting; the raw material source of the invention is easily available; a ultrasonic assistant method is adopted to allow the mixing of the raw materials to be more uniform, and to inhibit the formation oflarge particles; not only the product particle size distribution is uniform, and the calcining temperature is reduced, but also the carbon generated by decomposition of a chelating agent during a heat treatment sintering phase is uniformly distributed in the raw materials; excessive growth of sample crystal grains is effectively inhibited, and the synthetic material has a fine particle size; especially the method is simple, convenient, and easy to control, greatly shortens the synthetic period, and reduces cost.

The invention discloses a method for controlling excessive growth of cucumber seedlings by using a light-emitting diode (LED) light source and belongs to the field of plant cultivation. The method comprises the steps of: when the cotyledons of seedlings come out of soil, supplementing light through LED plant growth lamps, wherein the light supplementing time is 8-16 hours per day and the intensity of supplemented light is 90 to 240mu mol.m<-2>.s<-1>; and when three leaves and one core grow out of each seedling, stopping supplementing the light. The method for controlling the excessive growth of the cucumber seedlings by using the LED light source has the advantages that the defects of the traditional water-controlled seedling raising method and the method of using growth inhibitors to regulate the excessive growth of the seedlings are overcome, the effect of the red and blue LED light source capable of controlling the excessive growth of plants is remarkable, the method is safe and environmental-friendly, the service life of the LED lamps is long and the LED lamps are economic and affordable.

The invention discloses a seedling raising method for pigment marigold. The method comprises the following steps of: 1, strict seed treatment; 2, preparation of a nursery bed covering; 3, seedling raising in a shoot for cutting nursery; 4, management over the shoot for cutting nursery; and 5, cutting seedling raising in a cutting nursery. According to the method, the problem of climatic barriers to seedling raising nurseries in the construction of industrial development bases for the pigment marigold in two high mountain regions in the middle and upper reaches of the Yangtze River is solved, and in addition, the problem that the pigment marigold is excessively grown in a seedling stage, and the growth of seedlings is not required to be restrained after the seedlings are transplanted or that the seedlings are passively planted provisionally when the seedlings cannot be timely transplanted due to the climate is effectively solved; seedling cost is saved; the per unit area yield of flowers is improved, and an upside-down condition is effectively prevented; and pest and disease damage is remarkably alleviated.

The invention relates to a leather substance and a detection method of the mould inhibition effect of a product thereof. The detection method comprises the following steps: firstly, adding NaCI solution or PBS buffer solution into a mould inclined plane culture and adjusting the concentration of spore suspension into 1*10 to 10*10 cfu / ml to prepare mould spore suspension or mixing various single mould spore suspension according to equivalent volume to prepare mixed mould spore suspension; secondly, placing the leather substance and the product thereof after being radiated by ultraviolet radiation into a culture medium and dropping the spore suspension on the leather substance to culture for 3 to 5 days at the temperature of 28 DEG C plus or minus 1 DEGC; and thirdly, carrying out visual evaluation and microscopic examination to the growth degree of epiphyte on a sample by using a microscope*50 if necessary. The detection method has the advantages of simple operation, shorter detection period and strong practicability; only mould spore is inoculated on the surface of the sample, so that the effect caused by the excessive growth of mycelium due to more mould spores is voided, the natural environment is simulated, and the growth situation of mould is analyzed.

The invention belongs to the technical field of crop anti-freezing, and discloses an anti-freezing agent for crops.The anti-freezing agent is prepared from, by mass, 15-20 parts of polyethylene glycol, 10-15 parts of N,O-carboxymethyl chitosan, 1-2 parts of soybean hydrolyzed amino acid, 1-3 parts of calcium lactate, 1-3 parts of monopotassium phosphate, 0.01-0.03 part of 6-benzylamino adenine, 0.2-0.4 part of brassin, 0.02-0.04 part of diethyl aminoethyl hexanoate, 0.01-0.03 part of abscisic acid and 1000 parts of distilled water.The anti-freezing agent is good in anti-freezing effect and cannot cause excessive growth of plants.

The invention discloses a seedling culture matrix and a preparation method thereof and relates to the field of plant seedling culture. The seedling culture matrix is prepared from, by mass, sandy soil, magnesium sulfate, thoroughly decomposed cow dung, a water absorption water-retaining agent, carbonized rice husks, palm bark fibers, calcium magnesium phosphate fertilizer, nitrogen-phosphorus-potassium mixed fertilizer, ammonium sulfate, monoammonium phosphate, boric acid, polyaspartic acid, glucosamine oligosaccharides, a plant disease protective agent and shock-resistant bacteria. By the adoption of the technical scheme, the matrix has the functions that fertilizer efficiency is sufficient, nutrients are slowly released, disease resistance and stress tolerance are achieved, the nutrients are comprehensive, and pertinence is high, and all indexes reach industrial standards. Through volume production and use in multiple seedling culture factories, the seed germination rate and emergence rate can be increased, seedlings emerge in order and grow vigorously, the seedlings are strong and are free of excessive growth, root macerating, dwarfing and ossification, flower bud differentiation of the seedlings is normal, and the properties, yield and quality of crop varieties are guaranteed.

The invention belongs to the agricultural technical field, in particular to a peanut strong-seedling agent and the application. The peanut strong-seedling agent comprises the following components: diniconazole 0.002 to 0.003%, prohexadione calcium 0.003 to 0.004%, ammonium molybdate 0.4 to 0.6%, and water in balancing amount. The peanut strong-seedling agent can suppress the excessive growth of the main stem of the peanut seedling, promote the development of lateral branches and improve the nutritional condition of the plant, so that the peanut seedling has thick and green leaves and strong stems and branches. The peanut strong-seedling agent can solve the problems of peanut intercropped with wheat such as weak seedlings, poor development of lateral branches, and spindling and lodging at the middle and the later stages to effectively improve the yield and the quality of the peanut intercropped with wheat.

The invention discloses a rice promoting and control agent and a preparation method thereof and aims to solve the technical problems of rooting, tillering promotion and excessive growth control by stage according to the rice growth demands. The rice promoting and control agent is slow-release granules prepared from an active component and an auxiliary component, wherein the active component comprises a plant growth accelerant, a rooting agent and a plant growth retardant; the auxiliary component comprises a binder, a dispersant, a wetting agent, an adsorption carrier, filler and a coat. Duringpreparation, slow-release coating is performed on the plant growth retardant, and the periphery is coated with the plant growth accelerant and the rooting agent; after application, the plant growth accelerant and the rooting agent on the periphery take effect firstly to promote rooting and tillering, and the plant growth retardant begins to take effect to inhibit elongation of stem nodes when rice stems quickly elongate. The release rule of the granules completely conforms to the rice growth rule, control is performed after promotion, plants are not damaged, and the agent is used once and isconvenient and safe, and time and labor are saved.

The present invention relates to a composition comprising a plant growth regulator and / or fungicide and / or insecticide and / or acaricide and the preparation process thereof. Additionally, the present invention discloses the use of a plant growth regulator and / or fungicide and / or insecticide and / or acaricide to prepare a composition and the use of a composition to ensure high yield per area of a corn crop. Furthermore, the present invention provides methods to reduce excessive growth of corn plants, to strengthen stems, the root system and adventitious roots of corn plants, to combat diseases and pests and to confer resistance to pest control, as well as a method to identify a composition that ensures high corn crop yield.