110results about How to "Improve root vitality" patented technology

The invention discloses a multifunctional seedling cultivation substrate which comprises the components of EM fermented maize straws, perlite, vermiculite and prohexadione calcium, wherein the volume ratio of the EM fermented maize straws, the perlite and the vermiculite is 6: 3: 1, and the amount of the prohexadione calcium is 10-20g / m<3>. The multifunctional seedling cultivation substrate can control excessive growth of seedlings and can effectively prevent side effects of sprayed conventional growth inhibitors, and cultivated seedlings are superior to existing conventional seedling cultivation substrates in root activity, strong seedling index, yield and other aspects. Meanwhile, using amount of grass carbon is reduced, grass carbon resource saving is facilitated, and the purposes of resource utilization of agricultural wastes and environment pollution reduction are achieved.

The invention relates to a humic acid synergia compound fertilizer and a preparation method thereof. The method comprises the steps of: preparing a humic acid synergia solution, preparing a granulating material, coating an enveloping layer and drying, screening, cooling and the like. A humic acid synergist disclosed by the invention has the characteristics of being trace and efficient, low in addition volume, free from influence on nutrient content of the fertilizer, and favorable for regulation on the formula, and has the advantages of being high in output, low in cost, good in effect and the like. With the coated humic acid synergia compound fertilizer, the nitrogen utilization efficiency can be improved by 5-10 percentage points by inhibiting the soil urease activity; phosphorus, potassium and medium trace elements in soil can be activated; the absorption of crops is enhanced; and the humic acid synergia compound fertilizer has the characteristics of being excellent in slow release performance, high in utilization rate of butrients in season, and environment-friendly, and is wide in application prospect in specific production practice.

The invention discloses a flue-cured tobacco cultivation method fitting in with the light environment of the Yunnan tobacco-growing area and belongs to the technical field of tobacco plant cultivation. The flue-cured tobacco cultivation method comprises the following steps of float breeding, soil preparation and ridging, transplanting under film, management in film covering period and field management. The seeding time is from mid December to mid February, the float disc floating seedling method is adopted, and seeding hardening lasts for 8-14 days before transplanting; ridging is conducted after the soil is pulverized and moisture is stored, and inorganic fertilizer and cake fertilizer which is thoroughly decomposed are mixed to be applied to the field; the transplanting period is from mid March to mid April, the density of tobacco plants is 1000-12000 plant / mu, each tobacco plant is irrigated with 1.5-2.5kg root water after transplanting, and colored mulching film is covered; top dressing is conducted twice after transplanting, and seeding leading is conducted 15-25 days after the top of each tobacco seeding ejects the film; the mulching film is removed when the tobacco plants enter the mid of the vigorous growth period, earthing up, weeding and watering are conducted in time, and topping, leaf reserving and bifurcation removing are conducted. The flue-cured tobacco cultivation method can fitting in with the light environment of the Yunnan tobacco-growing area, the local light source can be utilized fully and reasonably, the quality of tobacco leaves can be improved, and the aroma style of the fen-flavor tobacco leaves is enhanced.

The invention discloses a selenium-rich nutrient solution for a pear. The nutrient solution comprises, by weight, 20 to 30 parts of magnesium sulfate, 5 to 15 parts of zinc sulfate, 10 to 15 parts of copper sulfate, 10 to 25 parts of iron sulfate, 10 to 25 parts of urea, 8 to 15 parts of potassium sulfate, 10 to 15 parts of potassium dihydrogen phosphate and 25 to 40 parts of sodium selenite. Through application of the nutrient solution provided by the invention, selenium content of the pear can be substantially increased, production of the pear is promoted, net weight of fruit is increased, resistance of the pear to insect attack is enhanced, and attack by diseases and insect pests is reduced.

The invention discloses a method for adopting an LED (Light Emitting Diode) lamp for supplementing cucumber seedlings with light. The method comprises the following steps: adopting red and blue light combination for supplementing the cucumber seedlings with light under the condition of natural low light level (light intensity less than or equal to 35micromol.m2.s1), wherein the wavelength of the red light is 630-650nm, the wavelength of the blue light is 430-450nm and the density ratio of effective photosynthetic light quantum of the red light and the blue light is 2 to 1(2R1B) or 1 to 2(1R2B); adjusting the current of LED lamp power supply, for achieving the supplementary light intensity of 50-100 micromol.m2.s1; supplementing light at regular time by adopting a timing controller, wherein the light supplementing time is from 6 am to 6 pm in each day. According to the method provided by the invention, the LED lamp combined with different red and blue light ratios is adopted for supplementing the generally cultured cucumber seedlings with light; the method has the obvious boosting effect on the cucumber seedlings; the stem diameter, complete stool weight, strong seedling index, single plant leave area, root activity, net photosynthetic rate, SOD activity and POD activity of the cucumber seedlings can be effectively increased; the culturing for strong seedlings is realized.

The invention relates to a soilless culture trough and an application thereof, and belongs to soilless culture equipment. The soilless culture trough comprises a foamed plastic trough body and is characterized in that a plastic film is lined on the inner wall of the trough body, river sand is filled at the lower part of the trough body, a culture medium is arranged at the upper part of the trough body, a piece of braid shield fabric is arranged between the river sand and the culture medium, a vent pipe is buried at the bottom of the river sand, a piece of non-woven fabric wraps the outer wall of the vent pipe, one end of the vent pipe extends out of the trough body, the other end of the vent pipe is closed, and air vents are formed in the wall of the vent pipe. The purpose of uniform air outgoing of the vent pipe is realized by using a simple method in which the non-woven fabric and the sand are adopted, and the cost is low. Problems in four major medium soilless culture planting processes, including medium warming, medium ventilation, medium drainage and medium sterilization, are solved by one set of vent pipe, and one pipe can be used for multiple purposes.

The invention relates to a humic acid synergistic ammonium phosphate and a production method thereof. The fertilizer comprises the components in parts by weight as follows: 0.05-1.5 parts of a humic acid synergist and 98.5-99.95 parts of ammonium phosphate. The humic acid synergistic ammonium phosphate slows fixing of phosphorus in the soilin soil and increases the utilization rate of a phosphate fertilizer on the basis of nutrient releasing and utilization; the agricultural operation can be simplified on cultivation; the nutrient utilization rate can be increased (by 5-10%) on the benefit; nutrient loss can be reduced, secondary pollution is avoided, and the agriculture production cost is reduced; the humic acid synergistic ammonium phosphate has the characteristics that raw material sources are wide, transportation and application of the fertilizer are convenient, the mechanical operation is facilitated, and the like; and the addition technology is simple and the cost is low in the ammonium phosphate production, so that the humic acid synergistic ammonium phosphate has a wide application prospect in synergistic ammonium phosphate production and industrial promotion.

The invention discloses a pesticide application method for improving peanut yield. The method comprises the following steps: (1) preparing pesticides; (2) uniformly mixing a pesticide A, a pesticide B and water based on a weight ratio of (52-58):(245-255):(72,000-78,000), and spraying the pesticides to leaf surfaces for the first time in the initial bloom stage of peanuts; (3) uniformly mixing the pesticide A, the pesticide B, a pesticide C and water based on the weight ratio of (53-57):(248-252):(18-22):(12,000-18,000), and spraying the pesticides to the leaf surfaces for the second time in a pegging stage of the peanuts; and (4) uniformly mixing the pesticide A, the pesticide B and the water based on the weight ratio of (54-56):(24-26):(13,000-17,000), spraying the pesticide to the leaf surface for the third time 15 to 20 days before the peanuts are harvested. In the method, multiple pesticide groups are adopted in the whole peanut growing period, and can be crossly and repeatedly used, so that various diseases of the peanuts can be effectively prevented and controlled, trace elements required in each growing stage of the peanuts can be fulfilled, the peanuts have more fruits with plump grains, and premature decay of the peanuts in the later stage can be effectively prevented. Furthermore, the vigorous growth can be effectively controlled, the fruit setting percentage of the peanuts can be improved, and the yield is improved by 40 percent.

The invention relates to an activated sludge organic fertilizer. The activated sludge organic fertilizer utilizes activated sludge as a main raw material; a plurality of components like straw powder, waste domestic fungi and pyroligneous liquor are added; and the pyroligneous liquor is beneficial for improving vitality of roots of crops, promoting absorption of nutrients by plants, accelerating fermentation speed, reducing a production period and lowering production cost. Compared with traditional organic fertilizer, the activated sludge organic fertilizer provided by the invention has the advantages that compatibility is more reasonable; more complete nutrient elements are provided; harmful components like heavy metals in the activated sludge are removed; full play is given to nutrients like polysaccharides, proteins, trace elements and a plurality of mineral matters in the activated sludge; and through cooperation between the activated sludge and other components, the activated sludge organic fertilizer is capable of regulating nutrient equilibrium of plants and improving disease resistance of plants. The activated sludge organic fertilizer realizes recycling of residual activated sludge left after treatment of sewage, saves resources, is beneficial for environmental protection and enables agricultural production to be in virtuous circle and be sustainably developed.

The invention discloses a water-saving high-yield cultivation technology for precisely attaching seeds to a rice membrane. The technology includes the following steps that first, a field is levelled and fine raked; second, a high-yield late-maturing lodging-resistant variety is selected; third, the seeds are precisely attached to the membrane through a machine; fourth, the membrane is made to cover the field for cultivation; fifth, formulated fertilization is performed; sixth, water management is performed. The technology has the following yield increasing advantages that first, the seeds are precisely attached under the rice membrane, and seedling growing, transplanting and restoring are not needed; second, the seeds are covered with the mulch, the moisture in the field is low, and pathogenic bacteria cannot be bred and spread easily; third, growth of weeds can be effectively restrained due to the membrane covering, and the technology is favorable for developing green rice production; fourth, the temperature under the membrane is high, and conversion and absorption of organic matter are promoted; fifth, the seeds are attached under the membrane, rice grows fast, and the root systems are strong; sixth, physiological water needs of rice are optimized, and water saving and yield increasing are achieved. Due to the technology, seedlings can be short, strong and good in cold tolerance and bear large ears and more grains, the cost saving and yield increasing effects are remarkable, rice cultivation is made the same as corn and soybean cultivation, labor is saved, and the production is more convenient and efficient to carry out.

Disclosed is a preparation method of a seedling matrix based on solid waste. The preparation method involves matrix material determination, preparation step determination and preparation proportion determination. According to the method, the solid waste is used as the material of the seedling matrix, and the solid waste is selected from wormcast and a mixture of saw dust and slag. The preparation method comprises the steps that after the saw dust and the slag are smashed respectively, the saw dust and the slag are sieved, powder-shaped saw dust and powder-shaped slag are obtained, and the powder-shaped saw dust and the powder-shaped slag are mixed according to the volume ratio of 1:1 to obtain the mixture of the saw dust and the slag; the wormcast is sieved to obtain wormcast fine powder; the mixture of the saw dust and the slag is mixed with the wormcast fine powder according to the weight ratio of 1:3 to obtain the material of the seedling matrix. According to the preparation method, the solid waste of the slag, the saw dust and the wormcast replaces the non-renewable resources such as turf, vermiculite and perlite to be used as the basic material for preparing the seedling matrix, and therefore the seedling cost is greatly lowered. The material of the seedling matrix realizes recycling of the solid waste while improving seedling stress resistance and cultivating strong seedlings.

The invention relates to a cultivation method for crops, and specifically to a planting method for rice bean. The planting method for the rice bean provided by the invention comprises the following six steps: soil preparation, seed treatment, field management, pest and disease control, and harvesting. According to the invention, through soaking of seeds with a traditional Chinese medicinal liquid and spraying of the traditional Chinese medicinal liquid for pest and disease control, diseases and pests of the rice bean can be greatly reduced; the growth environment of the rice bean is purified; and the rice bean is basically free of diseases and pests in the process of planting by using the method provided by the invention.

The invention discloses an agricultural machine and agricultural technology integrated fertilizer application method for increasing the yield and the quality of corns in cold areas. The fertilizer application method comprises the following steps of applying a seed fertilizer at the depth of 10-15cm on a position 6-8cm away from a seedling side by using a technology for deeply applying a fertilizer at a machine side, carrying out additional fertilization at the depth of 15-20cm between two rows of seedlings in a big-ridge double-row cultivation mode; and carrying out additional fertilization at the depth of 15-20cm at a ridge side 15-20cm away from the seedling side in a small ridge cultivation mode. The dosages of nitrogen, phosphorus and potassium at all cultivation and growth stages of corns under the condition that the total dosage of pure nitrogen, phosphorus and potassium is definite are distributed as follows: pure nitrogen in the applied seed fertilizer accounts for 30-40% of the total nitrogen content, pure phosphorus in the applied seed fertilizer accounts for 100% of the total phosphorus content (P2O5), pure potassium in the applied seed fertilizer accounts for 70-80% of the total potassium content, pure nitrogen for additional fertilization accounts for 60-70% of the total nitrogen content, and pure potassium for additional fertilization accounts for 20-30% of the total potassium content. By using the fertilizer application method, the fertilizer application period is consistent with the fertilizer requirement law of the corns, meanwhile, the dosage forms of nitrogen fertilizer and phosphate fertilizer are regulated, the colony in the vegetative period of the corns is kept not over-productive, the colony quality of the corns is improved, the nutrient requirements of the corns can be met at the late growth stage, and the root activity of the corns can be improved.

The invention relates to a compound amino acid fertilizer synergist which is suitable for a drop irrigation or microspray irrigation system, and a preparation method of the compound amino acid fertilizer synergist. The method comprises the steps of preparing a mixed catalyst, preparing a mixed amino acid salt, preparing a polymeric amino acid salt, preparing auxiliary materials, preparing the compound amino acid fertilizer synergist and the like. After the compound amino acid fertilizer synergist is adopted, the root activity of corns at the seedling stage is remarkably improved by more than 35%; compared with common urea, the urea added with the compound amino acid fertilizer synergist is capable of remarkably increasing the kernels per spike and the hundred-grain weight of the corns respectively by 15.5% and 3.8%, the yield is increased by 19.7%, and the apparent utilization rate of nitrogenous fertilizer is improved by 9.85%.

The invention discloses a cold-resistant, drought-tolerant and disease-resistant cultivation technology of pink tomatoes. The technology is used for improving the drought tolerance, the cold resistance and the pest and disease damage resistance of the plant by the technical measures including seed selecting, seed soaking, sterilizing, applying of base fertilizers of organic fertilizers, grafting, trickle-irrigating, double-plant cultivating and the like, so that the survival rate and the fruit setting rate of the plant are increased. As the seeds of new tomato variety are dear, a local tomato or eggplant seedling with optimal comprehensive characteristics and a relatively affordable price is selected as grafting stock; the grafted plant has a sickness rate of 0% for root-knot nematode and viruses at a full bearing period; moreover, the cost can be lowered; meanwhile, the rate of growth reaches 45%; the drought resistance and the pest and disease damage resistance of the tomatoes are increased by adopting the technologies including trickle-irrigating, double-plant cultivating, seed treating and the like, and therefore, the technology disclosed by the invention is a cold-resistant, drought-tolerant and disease-resistant cultivation technology which is worthy of popularization and application, and effective.

The invention discloses a method for utilizing LED delayed supplementary lighting to promote rice seedling raising. The method comprises the following steps that firstly, a plant growth lamp is utilized to emit blue light for delayed supplementary lighting at a trefoil stage of rice growth; then, the plant growth lamp is utilized to emit compound red and blue light for delayed supplementary lighting at a five-leaf stage so as to promote rice seedling growth. By adopting a combined light supplementing mode, the seedling strengthening index is higher than that of exclusive use of supplementing of blue light or exclusive use of supplementing of cooperative red and blue light, the light supplementing time can be saved, and the method has the advantages of being low in energy consumption and high in efficiency.

The invention discloses a compound herbicide suitable for planting sesban and alfalfa in the Huang-Huai-Hai region. The compound herbicide is prepared by producing biochemical fulvic acid by using fungi residue, wood residue, furfural residue, corn cob residue and the like, and compounding basic materials including biochemical fulvic acid, a cyclohexenone herbicide and an imidazolone herbicide. All the components of the compound herbicide are obvious in a synergistic effect; the compound herbicide is simple in processing technology, low in cost and remarkable in economic and ecological benefits, thus belonging to an environment-friendly herbicide.

The invention relates to the field of peanut cultivation techniques and in particular relates to a special growth regulator for peanuts in a fruiting period. The special growth regulator comprises 20-30g of paclobutrazol wettable powder, 2.5-3.0g of chitosan oligosaccharide, 50-100g of seaweed extract and 115-180g of saccharose. The content of chlorophyll of leaves, the leaf net photosynthetic rate and the root activity of the peanuts treated by the regulator in the fruiting period are obviously higher than corresponding contrasts, the leaf SOD (superoxide dismutase) activity and the POD (peroxidase) activity are both obviously higher than corresponding contrasts, the content of malondialdehyde is obviously lower than the contrast, and therefore, the regulator can be used for well eliminate oxygen free radicals and delayin g senescence. By utilizing the special growth regulator, the leaf nitrate reductase activity, the glutamine synthetase and glutamate synthase activities are obviously improved, the leaf sucrose synthetase and sucrose phosphate synthase activities are improved, and the accumulation of pod dry matters and compounds of nucleus protein and fat are facilitated. The peanut pod yield is obviously increased, the production increase reason is that the weight of single fruits is obviously increased, the full fruit rate is increased, and the double-kernel fruit rate and the kernel yield rate are greatly increased simultaneously.

The invention provides a method for increasing low-temperature resistance of a rice seedling stage and belongs to the technical field of rice planting. The method comprises the following technical steps: 1) irrigating saline water to rice seedlings raised in a seeding tray 2-5 days before the seedlings are transplanted and spraying saline water to rice seedlings raised in fields two days before the seedlings are transplanted; and 2) spraying saline water to the rice seedlings 1-3 days before low temperature comes according to weather forecast. The method for increasing the low temperature resistance of the rice seedling stage, provided by the invention, has the advantages as follows: the design is reasonable; the root activity is enhanced through carrying out sodium chloride pre-treatment on the rice seedlings; the content of partial water in the rice fields is kept; impermeable materials and organic soluble material saccharose are increased; the antioxidase activity is enhanced; the content of scavenge oxygen free radical materials is increased; and the low-temperature resistance of the rice is finally achieved.

The invention provides a bacillus cereus strain, which is named as YN917 and is preserved in the China Center for Type Culture Collection on October 29, 2020, and the preservation number is CCTCC NO: M2020655. The strain can be used for treating and preventing rice blast, has a good control effect on the rice blast, has protection and treatment effects, can promote rice growth, can be processed and developed as a potential biological control agent and a biological inoculant for rice cultivation, and has a good application prospect.

A root system rejuvenating agent for agricultural crops is prepared from mononitrified guaiacol sodium (1-1.5 Wt. Portions), naphthaleneacetic acid (0.8-1.2) and distilled water (70). It has high effect to greatly increase yield of agricultural crops.

The invention discloses a siderophore-producing Paenibacillus, the strain is Paenibacillus illinoisensis, which was preserved in the General Microorganism Center (CGMCC) of China Microbiological Culture Collection Management Committee (CGMCC) on August 29, 2014, address: Beijing No. 3, Courtyard No. 1, Beichen West Road, Chaoyang District, City, preservation number: CGMCC No.9620. The strain of the present invention can produce siderophores in iron-limited medium. Under potted and field conditions, using the bacterial suspension of the siderophore strain of the present invention to soak peanuts before sowing and root irrigation during the growth period can significantly improve the iron nutrition of peanuts in the growth period in calcareous soil, and can Increase the chlorophyll content of peanuts, enhance the root activity of peanuts, promote the accumulation of nitrogen, phosphorus, and potassium in peanut plants, increase plant biomass, improve peanut quality, and increase peanut yield.

The invention relates to an organic ecological matrix for soilless culture and a preparation method thereof and belongs to the technical field of soilless culture. The organic ecological matrix for soilless culture, provided by the invention, comprises the following materials: 35-50% of rotten abandoned padding of a fermentation bed, 10-15% of rotten straws, 15-35% of rotten vinegar residues and 15-20% of medical stone, wherein the water content is 25-45%, the organic content in dry ingredients is more than or equal to 30%, the total nutrient content (N+P2O5+K2O) is 2.5-5%, the total porosity is 65-80%, the matrix volume weight is 0.48-0.63g.cm<3>, EC is 1.26-2mS.cm<1> and pH is 5.85-7.5. The organic ecological matrix is suitable for being used as the matrix for soilless culture of solanaceous vegetables. After the organic ecological matrix provided by the invention is applied to the solanaceous vegetables, the plant height, stem diameter, leaf area index, blade chlorophyll content, root activity, yield and fruit quality are obviously increased. For example, after the organic ecological matrix is applied to tomatoes, the plant height, stem diameter, blade chlorophyll content, root activity, yield and fruit quality of the tomatoes are all obviously increased, especially, the Vc content and sugar-acid ratio of the tomatoes are obviously increased.

The invention relates to a pesticide application method capable of improving the wheat yield. According to the method, Baitai, Oubo, Gaoqiao, Shileshi, Alika, Handilong, monopotassium phosphatem, microelement mixed liquor high efficiency and low toxicity agentia are adopted; the method is carried out in four stages: wheat seed dressing stage, wheat standing and jointing stage, wheat heading stage and wheat filling stage; as the pesticide is applied according to different growth stages of the wheat, more than 90% diseases of the wheat can be efficiently controlled, the quality and the yield are improved, the medium trace elements required for the middle and later periods of fertility of the wheat can be met, the premature senility of the wheat at the later period can be prevented, the resistance to natural disasters is enhanced, and the pesticide application method is particularly suitable for planting of wheat.

The invention discloses a liquid fertilizer for promoting plant root system growth and a preparation method thereof. Active ingredients of the liquid fertilizer comprise 0.5-1.0g / L of Ca(NO3)2, 0.1-0.2g / L of KH2PO4, 5-10g / L of biomedical carbon, 3-5g / L of saccharosesugarcane; 0.02-0.05% of alcohol is added in volume fraction, and Ca(NO3)2, KH2PO4, biomedical carbon, saccharosesugarcane and water are mixed to prepare mother liquor; and the obtained mother liquor is mixed in proportion to obtain a liquid fertilizer. The liquid fertilizer can effectively improve the soil structure, enhances fertilizer effect, promotes growth, and promotes soil chemical activity and bio-activity to be improved. According to the test, the plant root system activity is improved by 10%-24% through the liquid fertilizer, and dry weight of roots is increased by 7%-15%, so that the technical effect is remarkable.

The invention discloses an intercropping method of loach in Zizania aquatica field, and relates to the technical field of agricultural cultivation. The intercropping method includes steps of (1), land selection; (2), soil preparation; (3), construction of cultivation field; (4), construction of a temporary rearing field; (5), preparation for seedlings; (6), transplanting and field planting; (7), cultivation of loach fry; (8), field management. The method can realize the intergrowth of loach and Zizania aquatica, and is ecological and environment-friendly, simple in operation; the cultivation scale of loach can be enlarged, and the loach cultivation development is promoted.

The invention discloses special fertilizer for water grass for rice-fish complex planting and breeding. The special fertilizer is prepared from the following raw material components in parts by weight: 20 to 30 parts of potassium sulfate type slow release fertilizer, 8 to 24 parts of humic acid, 18 to 25 parts of ammonium sulfate, 15 to 20 parts of calcium magnesium phosphate fertilizer, 4 to 8 parts of diaminoferric xanthohumate, 6 to 12 parts of attapulgite, and 6 to 10 parts of composite root growth promoting agent. According to the special fertilizer for the water grass for rice-fish complex planting and breeding provided by the invention, growth characteristics and fertilizer requirement laws of the water grass for rice-fish complex planting and breeding are combined, so that accuratenutrition is provided for the water grass, the water grass can quickly grow roots and grow continuously and are promoted to grow new roots and grow new buds, the water grass is developed in root systems and robust in stems, a soil holding force of the water grass is improved, the root amount is increased, the root taking vitality of the water grass is improved, the resistance of the water grass can be also improved, and the requirements of a rice-fish industry on the water grass are met.

The invention relates to a ginkgo fertilizer and a fertilizing method thereof, which can obviously improve the root system activity, the single leaf area, the chlorophyll concentration, the photosynthetic rate and the leaf yield of a ginkgo. The ginkgo fertilizer comprises foliar fertilizer, wherein the foliar fertilizer comprises Mg, Zn and Mo, the mass ratio of which is 0-3.0:0.10-0.50:0.05-0.20. As an improvement, the ginkgo fertilizer also comprises root fertilizer, wherein the root fertilizer comprises N, P and K the mass ratio of which is 1.6-6.4:0-3.2:1.6-3.2. The fertilizing method ofthe ginkgo fertilizer comprises the following steps: respectively preparing the Mg, the Zn and the Mo in the foliar fertilizer into a solution with the concentration of 0-3.0 percent, a solution withthe concentration of 0.10-0.50 percent and a solution with the concentration of 0.05-0.20 percent; and applying same doses of the three solutions with equal content to the leaf surfaces total three times since the end of May, wherein the fertilizing interval is 15 days. The leaf surface fertilizing method is matched with the public known root fertilizer fertilizing method.

The invention relates to the technical field of peanut culture and in particular relates to a growth regulator specially used in mature periods of peanuts. The growth regulator comprises 5-10g of chitosan oligosaccharide, 50-80g of seaweed extract, 150-180g of monopotassium phosphate, 60-70g of thiophanate methyl and 160-235g of sucrose. The growth regulator has the beneficial effects that the peanuts treated with the regulator in the mature periods have obviously higher leaf chlorophyll contents, net photosynthetic rates and root activities than control groups, have obviously higher leaf SOD (superoxide dismutase) activities and POD (peroxidase) activities than the control groups and have obviously lower malondialdehyde contents than the control groups, indicating that the regulator can well remove oxygen free radicals and delay senescence; the regulator obviously promotes accumulation of dry matters of pods and synthesis of proteins and fat of seed kernels and has important function of promoting increase of yield and improvement of product quality.