85 results about "Pre emergence" patented technology

The invention relates to botanical herbicide soluble powder and a preparation method thereof, and belongs to the technical field of herbicides. The botanical herbicide soluble powder specifically comprises 40-80% of soapberry testa extract, 10-15% of pesticide surfactant, and 5-50% of filling. The preparation method includes: using distilled water to dissolve the soapberry testa extract, and performing leaching; mixing well the pesticide surfactant, the filling and the distilled water, and performing leaching; and mixing well the solutions and performing spray-drying to obtain the botanical herbicide soluble powder. The botanical herbicide is applicable to post-seeding pre-emergence soil treatment and control and removal of farmland weeds.

The invention discloses a method for direct seeding of rape, which includes seed selection, land selection, land preparation, seeding, pre-emergence weeding, topdressing, ripening acceleration and mechanical harvesting. The method used for planting rape has the advantages that heights of ripe rape plants can be maintained substantially equal by means of seed selection and ripening acceleration, and the ripe rape plants are suitable for mechanical harvesting and high in efficiency; the ripening cycle of rape is short and between 25th April and 30th April when seeding begins in late September, whereas the ripening cycle of the rape planted by traditional transplanting methods is between 8th May and 15th May; straws of the rape planted by direct seeding are thin and can be directly and automatically broken and crushed by a harvester in harvesting so as to facilitate turning and covering, water and fertilizer conservation of soil are improved, and environmental impacts by straw incineration are avoided.

The invention discloses a method for using sugar-syrup alcohol fermentation liquid as a sugarcane liquid fertilizer. To apply the sugarcane liquid fertilizer to newly planted cane plants, the method comprises the following steps: diluting the fermentation liquid till the Baume degree reaches 6 to 8 and spraying the sugarcane liquid fertilizer in furrows for planting cane at a rate of 90 to 110 tons per hectare after the cane seeds are planted; covering a film on the next day after spraying operation and spraying pre-emergence herbicide; and removing the film after the stem pushing of cane seedlings and carrying out cultivating and hilling without applying any chemical fertilizer. To apply the sugarcane liquid fertilizer to stubble cane, the method comprises a step of diluting the fermentation liquid till the Baume degree reaches 8 to 10 and other steps which are the same as those used for newly planted cane plants. Using sugar-syrup alcohol fermentation liquid as a sugarcane fertilizer, the method solves the problem of pollution caused by sugar-syrup alcohol fermentation liquid of a sugar refinery and the problem of sugar liquid manure, recycles waste materials, increases soil fertility and improves production and yield of sugar. When applied at a rate of 45 to 105 t/hm<2>, a stock solution of the fermentation liquid can increase yield of sugar by 10 to 30 percent compared with the prior chemical fertilizer applied.

The invention discloses a garlic speed planting method. The method comprises the steps of garlic seed preparation, garlic planting field plot selection, garlic planting field plot preparation, garlic management, garlic sprout harvesting and seed reserving in the garlic field. Garlic seed preparation is achieved through variety section, garlic clove peeling and garlic clove selection. Garlic planting field plot selection is about selecting a fertile one-terrace or two-terrace field which has not been used for planting garlic for multiple years, has a thick soil layer and can achieve irrigation and drainage conveniently. Garlic planting field plot preparation is achieved through field plot clearing, fertilizer application and soil preparation. Garlic seeding is achieved through ditch shoveling, seed clove sowing, seed clove covering achieved through shoveling, dividing and pre-emergence herbicide application. Garlic management is achieved through disease and pest control, manual weeding, and watering and topdressing after sprouting. Garlic harvesting is achieved through sprout digging, sprout pulling, sprout picking, sprout bundling and coming into the market for trading. Seed reserving in the garlic field is achieved through manual clove insertion on part of the field during sowing so that garlic sprouts and seed cloves can be harvested in the next April. According to the method, in the garlic sowing season, the technology can be adopted on any field plot, and the technical problem of low garlic production efficiency is solved.

The invention discloses a comprehensive weeding composition of a paddy field. The weeding composition contains active ingredients such as penoxsulam, pyrazosulfuron-ethyl and pretilachlor, wherein the mass ratio of penoxsulam to pyrazosulfuron-ethyl to pretilachlor is (1.2-3): (0.5-2): (20-35). The comprehensive weeding composition can be used for the pre-emergence treatment, and also can be used for the post-emergence treatment; moreover, a good effect for removing and controlling the gramineae weeds, broadleaf weeds and cyperaceae weeds is good. The weeding composition is safe to the paddy rice, wide in herbicide controlling spectrum, small in consumption amount and low in production cost.

The invention provides a method for interplanting andrographis paniculata with single-row single-bud sugarcane stalk seeds in a wide-narrow row mode. The method comprises the following steps that 1, at late February to early March every year, after land is ploughed and prepared, furrowing is conducted according to a big line spacing and a small line spacing alternatively; 2, the sugarcane seeds are prepared; 3, the sugarcane seeds are uniformly placed in furrows to form single-row sugarcane buds; 4, fertilizer is uniformly applied to the furrows; 5, an insect-repellent agent is sprayed; 6, pulverized soil backfilling is conducted; 7, a pre-emergence herbicide is sprayed after sugarcane planting; 8, when the temperature is stabilized at 15 DEG C or above, the andrographis paniculata is planted in big line spacings through a traditional technology, and conventional management is conducted; 9, hilling is conducted on the sugarcanes twice, wherein top dressing and small hilling are conducted after the seedlings grow uniformly, big hilling is conducted after the andrographis paniculata is harvested, and a sugarcane herbicide is sprayed in two days for closed weeding; 10, pesticides are sprayed in time for prevention and control according to conventional technical means and disease and pest conditions. The method is low in sugarcane seed using quantity and beneficial for mechanical operation and management, and the income brought by the ndrographis paniculata to sugarcane farmers is increased while the sugarcane yield is guaranteed.

The invention relates to a pesticide preparation and a preparation method thereof, in particular to a trifluralin emulsion in water and a preparation method thereof. The trifluralin emulsion in water comprises the following components in part by mass: 0.5 to 48 parts of trifluralin, 1 to 20 parts of solvent, 1 to 16 parts of emulsifier, 0.1 to 5 parts of thickening agent, 0 to 8 parts of antifreezing agent, 0.1 to 1.6 parts of defoaming agent, 0 to 3 parts of antimicrobial agent, a proper amount of pH value regulator, and the balance of deionized water. The trifluralin emulsion in water is a selective pre-emergence soil treatment agent, and is mainly absorbed through coleoptiles and hypocotyls of weeds. The trifluralin emulsion in water has the effect on gramineous and partial small-seed broadleaf weeds, and is applicable to cotton, soybeans, rape, peanuts, potatoes and the like. The trifluralin emulsion in water does not contain or rarely contains an organic solvent, so the manufacturing cost and use cost are reduced, and the toxicity produced to operators, storers and transporters, and users is reduced in the process of production, storage and transportation; and the trifluralin emulsion in water is a product which is environmental-friendly and has high safety.

The invention provides a pre-emergence herbicide special for traditional Chinese medicinal materials, and belongs to the field of pesticide technology. The herbicide comprises a dual emulsifiable concentrate, an acetochlor emulsifiable concentrate, and napropamide emulsifiable concentrate; the concentration of the dual emulsifiable concentrate is 72%, the concentration of the acetochlor emulsifiable concentrate is 90%, the concentration of the napropamide emulsifiable concentrate is 20%, and the dual emulsifiable concentrate, the acetochlor emulsifiable concentrate and the napropamide emulsifiable concentrate are uniformly compounded into a finished product according to a proportion 5:3:2. A pre-emergence weeding scheme for traditional Chinese medicinal materials with a safe and reasonable formula, convenient and fast usage, high efficiency and low toxicity is provided.

The invention discloses a weeding composition containing topramezone and thiencarbazone-methyl as major active ingredients. The weight ratio of the active ingredients, topramezone to thiencarbazone-methyl, is 1: 40 to 40: 1; the total weight of the active ingredients is 2%-80% of the total weight of the composition; the produced preparation include a wettable powder or water dispersible granules, a suspending agent, an emulsion in water, and a microcapsule suspending agent. The weeding composition has double functions, is applicable to pre-emergence weeding or post-emergence weeding, weeds are not prone to generate resistance, and the weeding composition has obvious synergistic effect and continuous prevention and control effect. Meanwhile, the weeding spectrum and the application range are expanded; the weeding composition is applied to weeding not only in corn fields, but also in wheat, barley, soybean, potato, rape, spinach and garlic fields. The dosage of the weeding composition is reduced and the agricultural cost is decreased.

The invention belongs to the field of agricultural fertilizing equipment, and particularly provides a stubble cane pre-emergence fertilizing machine and application thereof. The stubble cane pre-emergence fertilizing machine comprises a rack, a round disc knife, a transverse cutting device and a fertilizing device are arranged below the rack in sequence, and the transverse cutting device comprisesa longitudinal cutting board and transverse cutting knives arranged at the two sides of the longitudinal cutting board; the round disc knife is driven by a driving device to backwards rotate. On thepremise of sugarcane leaf land returning, the purpose of disposable ridge breaking, bag loosening and fertilizing can be achieved, and the field work efficiency is improved. Stubble cane post-emergence fertilizing is changed into pre-emergence fertilizing, sugarcane seedlings cannot be injured, soil beside sugarcane bags can be cut and loosened by the transverse cutting knives, air ventilation isfacilitated, and the seedling emergence rate is increased. Fertilizer is deep applied in advance, soil covers the fertilizer, nutrients are spread into soil, uniform absorption of root systems of sugarcanes is facilitated, sugarcane leaves cover the ground surface, water evaporation can be reduced, more rainwater can also be permeate the soil, and water and soil loss is reduced.

Pyrazole derivatives of the general formula (I) or salts thereof, wherein each symbols are as defined in the specification, herbicides containing the above compounds as active ingredients, and aromatic carboxylic acid derivatives or salts thereof suitable as intermediates for the production of the above pyrazole derivatives. The above pyrazole derivatives or salts thereof, provided by the present invention, cause no phytotoxicity on upland field crops such as corn, etc., and can selectively control a broad range of upland weeds such as grass weeds and broad-leaved weeds at a low dosage in pre-emergence treatment and in post-emergence treatment.

The invention discloses a grape soilless culture nutrition solution, a preparation method and a use method thereof, wherein the grape soilless culture nutrition solution comprises a large amount of anelement nutrition solution and trace elements, the element nutrition solution comprises a pre-emergence nutrition solution, an early-stage flowering period nutrition solution, a late-stage floweringperiod nutrition solution, a veraison period nutrition solution and a harvesting period nutrition solution, and the trace elements comprise a trace element A and a trace element B. According to the present invention, the corresponding liquid fertilizer formula is formed according to the dynamic law of the requirements on mineral elements at each growth stage, such that the grape soilless culture nutrition solution can provide effect on the grow of plants, flowers and fruits; and the grape soilless culture nutrition solution can conveniently integrate the water-fertilizer integrated system so as to achieve the precise supply of mineral elements and water and save nutrition.

The invention discloses a method using Artemisia selengensis to remedy soil mildly and moderately polluted by heavy metal. The method includes the steps of firstly, selecting Artemisia selengensis variety; secondly, preparing a field, to be more specific, applying thoroughly decomposed organic fertilizer, evenly raking and flatly ploughing soil and the fertilizer, and ridging; thirdly, performingpre-emergence weeding, to be more specific, spraying a pre-emergence herbicide before cuttage, and performing soil spraying processing; fourthly, raising seedlings by cutting, to be more specific, collecting robust Artemisia selengensis branches from the field, cutting off leaves and tender shoots on the middle and lower portion, compacting the soil after the cuttage, and watering to allow the water content of the soil to be saturated; fifthly, performing water management, to be more specific, keeping the field moist due to the fact that Artemisia selengensis is a wetland plant and is intolerant to drought; sixthly, performing field weeding, to be more specific, performing manual weeding to remove cyperaceae and dicotyledonous weeds; seventhly, performing disease and pest control; eighthly, harvesting the overground part of Artemisia selengensis, and removing withered branches and leaves from the field; ninthly, performing harmless treatment on the harvested Artemisia selengensis. Themethod is practicable, simple to operate, low in cost, high in heavy metal removing efficiency and capable of satisfying the remediation and treatment requirements of the soil mildly and moderately polluted by heavy metal in southern China.

The invention relates to a dispersible oil suspending agent containing oxadiargyl and oxyfluorfen. Effective components include the oxadiargyl and the oxyfluorfen. The dispersible oil suspending agent comprises, in weight percentage, 1%-10% of the oxadiargyl, 5%-15% of the oxyfluorfen, 10%-20% of emulsifiers, 1%-3% of dispersing agents, 1%-3% of thickening agents, 1%-3% of white carbon black, 3%-10% of stabilizers and the balance oil solvents. The dispersible oil suspending agent is a herbicide for pre-emergence treatment of rice, potatoes, sunflowers, vegetables, beetroots, orchards and the like, prevention and control effects of the dispersible oil suspending agent are remarkably higher than those of a single agent, and the insecticide resistance of weeds is reduced.

A method of interplanting peanuts among single-row and single-bud sugarcane stems. The method comprises the following steps: (1) digging large row space trenches and small row space trenches alternately after land ploughing at the end of February and in early March; (2) preparing sugarcane seedlings; (3) orderly placing the sugarcane seedlings in the trenches to form single-row sugarcane buds; (4) fertilizing the buds evenly in the trenches; (5) spraying insect-resist agents; (6) backfilling broken soil; (7) spraying pre-emergence herbicides after the sugarcanes are planted;(8) stabilizing the temperature to be above 15 DEG C, planting three rows of peanuts in large row spaces through a traditional technique, and conducting routine management on the peanuts; (9) conducting hilling on the sugarcanes twice, that is to say, performing seedling emerging, top application and soil dressing, turning over the peanut vines and performing hilling-up after harvest of the peanuts, and then spraying sugarcane herbicides within two days to conduct closed weeding; and (10) timely spraying pesticides to prevent diseases and pests through a routine technical means according to information of the diseases and pests. According to the method, the quantity of sugarcane plants is low, mechanical operation and management can be realized, and peanuts can be additionally planted and obtained to increase incomes of sugarcane growers while the output of the sugarcanes is guaranteed.

The invention provides a water-fertilizer integrated fertilization method for a kiwi fruit. The method comprises the following steps of applying a pre-emergence fertilizer before sprouting in early spring; applying a fruit promoting fertilizer within 5-30 days after flowers fall; applying a fruit expanding fertilizer within 5-30 days after fruits come; and applying an overwintering fertilizer after the fruits are picked; and the method for applying the pre-emergence fertilizer, the fruit promoting fertilizer, the fruit expanding fertilizer or the overwintering fertilizer comprises the steps of dissolving various fertilizers into water and dripping fertilizer water into a root area of the kiwi fruit along with a drip irrigation facility. According to the method, the fertilizer is reasonable in proportion, an organic fertilizer is combined with an inorganic fertilizer and a bacterial manure, a macroelement and a medium trace element are fertilized at the ratio, so that the total amount, the ratio and the form conform to the absorption characteristic and law of the kiwi fruit. Fertilization and irrigation are reasonably carried out according to the growth period of the kiwi fruit, the requirements on nutrients and moisture at the nutritional requirement stage are met, the synergetic mutual promotion action among the nutrients is higher, the fertilizer utilization rate is improved, the labor intensity is reduced and the work efficiency is improved.

The invention provides a pendimethalin and alachlor binary complex herbicide and a preparation method thereof. The herbicide comprises the following components by mass: 15-45% of pendimethalin, 5-25% of alachlor, 5-15% of synergist, 8-20% of emulsifier and the balance solvent. The preparation method comprises the following steps: mixing and stirring the pendimethalin and the solvent according to the mass ratio; mixing and stirring the alachlor and the solvent; mixing and stirring the mixtures; adding the emulsifier together with the synergist to a reaction kettle to be stirred for 10-15min; then adding the balance solvent and stirring the mixture for 20-30min; and then carrying out standing, filtering, filling and sampling analysis, thus obtaining the finished product. The herbicide has high efficiency and broad spectrum, is used for pre-emergence soil spraying after sowing such crops as soy beans, peanuts, garlic, cotton and the like, can realize that the crops are free from weeds in the whole growth period through one-time application of 120-180g per mu and has application cost 31.4-36.8% lower than that of the single pendimethalin or alachlor respectively.

The invention provides different methods for preventing and controlling rice field weeds according to the characteristics of different farmland systems. By preventing and controlling rice field weedsat an early growth and development stage within 1 month after rice planting, the weeds are controlled to a germination stage by using herbicides having multiple acting points and utilizing their functions of pre-emergence closing or are controlled within 1-2 leaf stages after weed germination, namely the most sensitive stage of the herbicides, the competition between the weeds and rice for fertilizers, water, light and other resources is decreased to the most degree at the early growth and development stage of rice, and healthy and strong growth of the rice is promoted. By adopting the method,the effect of preventing and controlling main rice field weeds can reach 95% or above, the pesticide resistance of weeds can also be retarded, the use amount of herbicides can also be decreased, andthe method is suitable for prevention and control of domestic rice field weeds.

The invention discloses herbicide prepared by binary compounding of oxyfluoyfen and prometryn and a preparation method thereof. The herbicide consists of the following components in percentage by mass: 3 to 10 percent of oxyfluoyfen, 10 to 40 percent of prometryn, 5 to 15 percent of surfactant, 6 to 20 percent of emulsifier and the balance of solvent. The preparation method comprises the following steps of: mixing and stirring the oxyfluoyfen and the solvent in percentage by mass; mixing the prometryn and the solvent, and mixing and stirring the two mixtures; adding the emulsifier and the surfactant into a reaction kettle together, and stirring the mixture for 10 to 15 minutes; adding the balance of solvent into the mixture, and stirring the mixture for 20 to 30 minutes; and performing standing, filtration, filling and sample analysis to obtain a finished product. The herbicide is an efficient broad-spectrum herbicide. The herbicide is used for pre-emergence and post-emergence after seeds of crops such as tea plants, fruit trees, grapes, tobaccos, cabbages, hot peppers, sunflowers, highland barley, soybean, melons and fruits are sowed; and 40 to 50 grams of herbicide is used in each mu, no weed in the whole growth period of the crops can be completely realized by one-time application, and the application cost of the herbicide is 32.1 to 26.5 percent lower than that of the oxyfluoyfen and the prometryn respectively.

The invention provides a pre-emergence topdressing fertilizer for a walnut tree and a preparation method thereof, belonging to the technical field of fertilizers. Effective components of the fertilizer comprise, by weight, 15 to 27% of nitrogen, 3 to 6% of phosphorus, 2 to 6% of potassium, 1 to 1.5% of calcium, 0.1 to 0.3% of molybdenum, 0.1 to 0.3% of manganese, 0.1 to 0.3% of copper, 0.1 to 0.3% of boron and 5 to 10% of humic acid. The pre-emergence topdressing fertilizer prepared in the invention can timely meet demands for nutrients needed in the physiological activities of germination and blossoming of the walnut tree, enables the walnut tree to rapidly germinate in early spring, strengthens respiration intensity, accelerates metabolism and cell division and allows the physiological activities of blossoming, embryo development, foliation, sprouting and the like to be smoothly carried out. When the fertilizer is cooperatively used with a micro-irrigation system, a high absorption and utilization rate and timely substantial fertilizer efficiency are realized. The preparation method has a simple process and is suitable for industrial production.

The application of bean pulp in preparing for weedicide relates to the bean pulp and the weedicide, in particular to the bean pulp which is an auxiliary product made from farm product has the effect of restraining plant seeds sprouting and rooting, which can be used for preparing for natural pre-emergence weedicide and is especially applied to preventing and curing lawn weeds. The invention provides the application of the bean pulp in preparing for the weedicide. The bean pulp is a side product obtained after soybean is processed for extracting bean oil. The shape of the bean pulp is irregular fragmentary shape generally with light yellow to sandy beige and the smell of baked soybean and is insoluble in water. The main components of the bean pulp are 40 to 48 percent of protein, 2.5 to 3.0 percent of lysine, 0.6 to 0.7 percent of tryptophan and 0.5 to 0.7 percent of methionine. A plurality of experiments in which the bean pulp restrains the plant seeds sprouting and rooting testify that the bean pulp has obvious restraining effect on plant seeds sprouting and rooting, so restraining the activity of the plant seeds sprouting and rooting by the bean pulp can be applied to preparing for a natural nuisanceless pre-emergence weedicide.

The invention relates to the field of agricultural weedicide and in particular relates to weedicide for corn fields. The weedicide is prepared from the following raw materials: sodium methyl-4-chlorophenoxyacetate, 2,4-dichlorophenoxyacetic acid B1, isooctyl 2,4-dichlorophenoxyacetate B5, tribenuron or triasulfuron, a synergist, a disintegrating agent, a wetting agent, a dispersant and filling; the weedicide for the corn fields, provided by the invention, has a long working life and a wide weeding spectrum; the weedicide has ideal effect on monocotyledonous weeds no matter whether the weedicide is used for carrying out pre-emergence treatment or post-emergence treatment; the use amount of the weedicide is less, basically no soil residues are formed and the weedicide is safe to use; the weedicide has a weeding effect on resistant weeds, can be used for pre-emergence treatment of the corn fields and can also be used for post-emergence stem leaf spraying treatment, and the planting cost is saved.

The invention discloses a method for cultivating melon seedlings with high disease resistance and the melon seedlings. The method comprises the following steps: (1) treating melon seeds with an alternating magnetic field; (2) sterilizing a seedling substrate and then mixing the substrate with a mixed solution containing beneficial microorganisms for use; (3) sowing; (4) pre-emergence cultivation and observation of emergence rate; (5) post-emergence cultivation: cultivating the seedlings in a solar greenhouse when the number of the seedlings reaches a certain amount, selecting different cultivation conditions during the day and the night, spraying a solution containing lilacinin to the leaf surfaces and watering the roots when a certain amount of the melon seedlings grow at least 2 true leaves; transplanting when the melon seedlings grow at least 4 true leaves to cultivate the melon seedlings with the high disease resistance. The melon seedlings cultivated by the above method are also provided. According to the method, the germination rate of the melon seeds can be effectively improved, and the disease resistance of the melon seedlings is improved.