36results about How to "Effective control of hazards" patented technology

The present invention discloses a duck cultivation method using rice fields. The method comprises the following steps: selecting small and medium-sized ducks with exuberant vitality, wide adaptability and crude feed tolerance; carrying out centralized brooding of ducklings under good breeding management condition; feeding the ducklings with feed until the duck weight reaches 75 g or more; timely dispersing the ducklings to a rice field in an appropriate density in conjunction with rice growth time; and feeding the ducklings with reasonable feed at a specified time point. The duck cultivation method disclosed by the present invention can effectively control the damage of pests in the rice field, promotes ecological balance, controls pesticide pollution, ensures good agricultural environment, promotes rice yield increase, reduces agricultural cost and increases framer income, so that pollution-free and safe rice and duck meat are simultaneously produced in limited space of the rice field.

The invention relates to a multi-layer structure micro-channel mixer, which comprises a base plate and a sealing plate, wherein two sample injection liquid storage chambers, two inlet channels, two groups of fluid distribution channel nets, two groups of process fluid channels, a fluid collision mixing cavity, a fluid reinforced mixing channel and an outlet buffer chamber are arranged on the baseplate in a bilateral symmetry manner and are arranged on the two sides of the fluid collision mixing cavity. Two fluids to be mixed are respectively conveyed to two sample injection liquid storage chambers, respectively enter an inlet channel through the sample injection liquid storage chambers, enter a process fluid channel after being distributed through a multi-stage fluid distribution channel,and form two opposite impinging streams after flowing out of the process fluid channel,and after mixing, vortex or secondary flow is generated under the action that the fluid collides with a bafflingbaffle or an inner component in the mixing cavity, and finally the mixed fluid mixture flows out of the mixer through the outlet buffer chamber. The multi-layer structure micro-channel mixer has theadvantages of wide operation condition range, good mixing effect, high mass transfer coefficient, small pressure drop and low energy consumption.

A composite insecticide in the form of emulsified oil is prepared from imidacloprid and phoxim. Its advantages are high effect, low poison and strong systemic action.

The invention relates to a composition capable of trapping and killing onionmaggot adult worms, which is prepared from Clothianidin, honey, sodium benzoate and water, as well as a method for utilizing a Clothianidin-containing composition capable of trapping and killing onionmaggot adult worms in preventing and curing onionmaggot of garlic, shallot and onion. In the invention, it is discovered that the composition capable of trapping and killing onionmaggot adult worms, which is prepared by Clothianidin, honey, sodium benzoate and water can trap and kill onionmaggot adult worms massively, reduce the egg laying amount of adult worms and effectively control the onionmaggot harm when being contained in containers or sprayed on blue insect sticky boards and then placed in the garlic, the shallot and the onion fields. The composition can be widely used in preventing and curing various leaf miners for vegetables, and has large application value and remarkable economic and social benefits.

The invention relates to the technical field of pesticides, in particular to a pesticide composition which contains isoproturon, flucarbazone and diflufenican and is used for preventing and killing off gramineous weeds and broadleaf weeds in wheat fields. The pesticide composition is prepared from active ingredients and auxiliary ingredients, the active ingredients comprise isoproturon, flucarbazone and diflufenican, the mass ratio of isoproturon to flucarbazone to diflufenican is 1:(1.2-1.8):(1-2), the mass sum of isoproturon, flucarbazone and diflufenican accounts for 5%-80% of the mass of the composition, and the auxiliaries ingredients comprise at least one of a dispersing agent, an emulsifying agent, a wetting agent, a binding agent, an anti-freezing agent and a thickening agent. According to the pesticide composition containing isoproturon, flucarbazone and diflufenican, a synergistic effect is exerted within a certain proportion range, the prevention and control effect of the composition is obviously improved compared with a single component, the pesticide dosage is reduced, the pesticide use frequency is decreased, the pesticide cost is reduced, the negative influence of pesticide on ecological environment is reduced, and keeping of ecological balance is facilitated.

The invention relates to the field of pesticide herbicides, and particularly discloses a weeding composite containing fentrazamide and pyridate. The weeding composite containing fentrazamide and pyridate comprises the effective components of fentrazamide and pyridate in a weight ratio of 1:89 to 89:1. The weeding composite containing fentrazamide and pyridate has the benefits that firstly, the herbicide controlling spectrum is wide: the weeding composite is suitable for prevention and treatment of various weeds in various crops, in particular in paddy fields, and one-time herbicide application can effectively control the weed harm of the whole growing period of the paddy fields; secondly the weeding composite is safe to rice and afterreap crops: even though the usage amount per mu is five times of proposed usage amount, the pesticide hazard is prevented, so that the herbicide application cost is reduced, and the effect on the afterreap crops is also reduced; thirdly, the antagonistic effect is prevented: the weeding composite has synergistic effect on the herbicidal activity of the weeds, and the weed control synergistic effect is remarkable; and fourthly, the cost is low, and the use is convenient.

The invention provides a quick cultivating method of macadamia integrifolia grafting seedlings. The quick cultivating method comprises the steps of selecting one-year-old seeds which are mature from the last ten-day period of September to the first ten-day period of October, of which the diameter is greater than or equal to 2.5cm and which reach physiological maturity for seedling culture; performing sowing in time at the middle ten-day period of the October, cultivating sand bed plantlets, and after 2 euphyllas of the seedlings are aged, performing transplanting in December; at the last ten-day period of the October next year, using the seedlings of which the height reaches 1.2-1.5m and the trunk middle part diameter reaches 1.5cm as root stock grafting seedlings; using scions after 45-60d of band girdle; if many buds are germinated, gradually screening robust 1-2 buds for growth, and erasing the other buds; and after branches and leaves are aged twice, performing coming out of the nursery. Through the adoption of the quick cultivating method disclosed by the invention, the cultivating cycle of the macadamia integrifolia grafting seedlings can be shortened, and quick cultivation of the macadamia integrifolia grafting seedlings can be completed within about 18 months.

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 relates to a weedicide prepared from oxyfluorfen and fluazifop-butyl binary combination and a preparation method thereof. The weedicide is prepared from the following ingredients by mass percent: 3 to 10 percent of oxyfluorfen, 8 to 20 percent of fluazifop-butyl, 5 to 15 percent of surface active agent, 6 to 20 percent of emulsifying agent and the balance of solvent. The preparation method comprises the following steps: adding the solvent into the oxyfluorfen to be mixed and stirred according to the mass percent; adding the solvent into the fluazifop-butyl to be mixed and stirred; mixing and stirring the two solution; simultaneously taking and adding the emulsifying agent and the surface active agent into a reaction kettle to be stirred for 10 to 15 minutes; then, adding the balance solvent to be stirred for 20 to 30 minutes; and then, carrying out still standing, filtering, filling and sampling analysis to obtain finished products. The weedicide belongs to a high-efficiency broad-spectrum weedicide used in periods with four to six leaves of crop weeds for tea gardens, fruit tree gardens, grapes, tobacco, cabbages, hot peppers, potatoes, sweet potatoes, soybeans, flax, rubber, forestry nursery and the like, the application quantity is between 45 and 55g per mou, the goal of no crop smothering in the whole growing time of crops can be completely realized through one-setp weedicide application, and the weedicide application cost is 29.8 percent to 30.6 percent lower than that of single application of the oxyfluorfen and the fluazifop-butyl.

The invention relates to a weeding water aqua prepared by binary combination of gramoxone and glyphosate and a preparation method thereof. The weeding water aqua is composed of the following components by mass percent: 3-10% of gramoxone, 2-10% of glyphosate, 0.01-0.3% of trichlorodazole-pyrimidone, 5-15% of synergist, 8-20% of penetrating agent, the balance water. The preparation method includes that: by the mass ratio, the gramoxone is added with water to be stirred; the glyphosate is added with water to be stirred; the two are mixed to be stirred; the trichlorodazole is added into the mixed and stirred gramoxone and glyphosate to be stirred; the penetrating agent and the synergist are added into a kettle to be stirred; then water is added and stirring is carried out; and then standing, filtering, filling and sampling analysis are carried out, thus obtaining the finished product. The invention solves the evil that the existing weed killer only can kill singe weed, provides a quick-acting touch out broad spectrum weed killer, has quick effect in weeding in wheat, corn, peanut, soybean, cotton and mulberry orchard lands, has good production increasing effect, is safe to crop and has no influence on succession crop. Commodity dosage per Mu is 150-250g, application cost is 29.5-40.92% (Mu/turn) lower compared with single use of gramoxone and glyphosate.

The invention discloses a benthiocarb contained herbicide which is composed of, by weight, 2-98% of original benthiocarb and 2-98% of an assistant. The invention further discloses application of the above benthiocarb herbicide in prevention and removal of weeds of direct sowing rice fields. The benthiocarb herbicide applied in after-planting sprouting stage (the same day after planting to four days) of rice can effectively prevent grassy weeds of the after-planting sprouting stage of the rice, cyperus weeds and other broadleaf weeds of the direct sowing rice fields, and the benthiocarb herbicide has the advantages of security, high efficiency, less dosage and convenience in operation, and broad application prospect is achieved.

The invention discloses a weeding water agent prepared by binary compounding of glyphosate and fomesafen and a preparation method thereof. The weeding water agent consists of the following components in percentage by mass: 5 to 18 percent of glyphosate, 8 to 20 percent of fomesafen, 5 to 15 percent of synergist, 8 to 20 percent of penetrating agent and the balance of water. The preparation method comprises the following steps of: adding water into the glyphosate in the mass ratio and stirring; adding water into the fomesafen and stirring; mixing and stirring solution of glyphosate and solution of fomesafen; adding the penetrating agent and the synergist into a reaction kettle and stirring for 10 to 15 minutes; adding water into the reaction kettle and stirring for 20 to 30 minutes; and standing, filtering, filling, sampling and performing sampling analysis so as to obtain a finished product. The weeding water agent overcomes the defect of single weeding of the conventional herbicide, is a high-efficiency, quick-acting and broad-spectrum herbicide and has quick response for killing annual and perennial weeds and a part of broadleaf weeds growing on barren lands such as railways, roads, both sides of main dikes, airports and ridges, application cost 38.4 to 30.8 percent lower than those of separate application of the glyphosate and the fomesafen respectively and better weed preventing and controlling effects than those of separate application of the glyphosate and the fomesafen.

The invention relates to a weeding aqueous solution agent prepared by formulation of paraquat and prowess and a preparation method thereof. The weeding aqueous solution agent consists of the following components by weight percentage: 5-18% of paraquat, 8-25% of prowess, 0.01-0.05% of triazole-pyrimidone, 5-15% of synergist, 8-20% of penetrant and the balance of water. The preparation method comprises the following steps of: stirring paraquat with water by the weight percentage; taking prowess and adding water to stir; taking and adding the penetrant and synergist to a reaction kettle to stir for 10-15 minutes; then adding water to stir for 20-30 minutes; then standing, filtering, filling and sampling for analysis to obtain the finished product. The invention overcomes the defect that the prior weeding agent aims at specific weeds, is an efficient and quick-acting broad-spectrum weeding agent and has a quick effect on annual and perennial weeds and part of broadleaf weeds in wasteland, for example, railways, roads, both sides of river diks, airfields and ridges. The administration cost is 17.4-19.8% lower than that of individually administrated paraquat and prowess and the weeding effect is more obvious than the single agent: paraquat and prowess.