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33results about How to "No chemical residues" patented technology

Melon preservative and preservation method thereof

The invention discloses a melon preservative and a preservation method of the melon preservative. The melon preservative comprises a soaking protective agent A and a preservation film forming agent B. The soaking protective agent A comprises grape seed oil, Tween80, an aloe extracting solution, vitamin B2, sodium chloride and distilled water. The preservation film forming agent B comprises chitosan, scutellaria baicalensis extract, towel gourd extract and distilled water. The preservation method includes the steps that the soaking protective agent A of the melon preservative is used for soaking a melon, then air drying is performed, then the diluted film forming agent B is sprayed to the surface of the melon, and finally standing is performed. The special melon preservative and the preservation method of the melon preservative effectively keep fruity of the melon, meanwhile, the special melon preservative has certain repairing and protecting effects on damage to the surface of the melon in the mechanical treatment process, a water-keeping layer and an anti-bacterial film can be formed on the surface of the melon, the water loss in the preservation process is reduced, the effects of sterilization and bacterial inhibition are achieved, and the surface of the skin of the melon can be kept good in gloss.
Owner:BOHAI UNIV

Rapid returning method for production of bacterial manure from straws

The invention relates to a rapid returning method for production of bacterial manure from straws. The method comprises the steps: inoculating a liquid strain fermentation tank containing a fermentation medium with a spore aqueous solution of trichoderma asperellum strain T-A158 to ferment for 7-10 days to obtain a trichoderma asperellum fermentation liquid; mixing ferrous sulfate, ammonium molybdate, and the trichoderma asperellum fermentation liquid to prepare a trichoderma asperellum straw decomposed solution; spraying the trichoderma asperellum straw decomposed solution containing spores 1is multiplied by 10<7> spores/mL on straws and humic acid; the dosage being 30-40L per mu, spraying water and evenly arranging a layer of straws on the top, the thickness being 7-12 cm, making the final moisture content be 40-46 percent; covering with a mulch and fermenting at room temperature for 7-20 days; then directly plowing the land for cultication. The rapid returning method provided by theinvention can effectively alleviate the occurrence of pests and diseases in a greenhouse, increase the soil fertility in the greenhouse, solve the problem of disadvantages of nowhere to place the straws and returning the straws to the field, reduce the use of the fertilizer, increase the yield of the crop, improve the quality of the crop, and improve the soil environment.
Owner:ZHOUKOU NORMAL UNIV

Tomato root-knot nematode biological trapping control method

The invention discloses a tomato root-knot nematode biological trapping control method. According to the invention, with a reasonably set planting mode, a main crop is intercropped with a biological trapping plant. With an organic combination of the intercropping method and a plurality of technical measures, tomato root-knot nematode can be effectively controlled without using any chemical pesticides. With the method, tomato yield can be increased. The method accords with green and low-carbon concepts. With the method, a tomato root-knot nematode control effect can reach 87.8-91.4%, and tomato yield can be improved by 17.5% than that of a traditional control method.
Owner:寿光市新世纪种苗有限公司

Composite plant extract for inhibiting aeromonas schubertii in water environment as well as preparation method and application of composite plant extract

ActiveCN112841227AInhibition of abnormal reproductionNo chemical residuesAntibacterial agentsBiocideBiotechnologyZoology
The invention belongs to the technical field of water environment bacteriostatic agents, and discloses a composite plant extract for inhibiting aeromonas schubertii in a water environment. The composite plant extract belongs to an environment-friendly substance, has a large safe concentration range on fish bodies, does not cause chemical drug residues in the fish bodies, does not easily cause drug resistance of aeromonas schubertii, and does not damage algae in water. The action spectrum of the compound extract only has a special effect on aeromonas schubertii, and the compound extract can be used for inhibiting abnormal reproduction of aeromonas schubertii in a culture water environment, so that the aggressive force of aeromonas schubertii in the water environment on fish bodies is reduced. From the aspect of formula compatibility, the four components of the compound plant extract have a remarkable compatibility synergistic effect, not only have a good inhibiting effect on aeromonas schubertii in a culture water body, but also have remarkable anti-inflammatory and astringing effects on local red spots on fish body surfaces caused by aeromonas schubertii infection.
Owner:清远海贝生物技术有限公司

Formula of chicken feed with good palatability and preparation method thereof

The invention discloses a chicken feed with good palatability. The chicken feed is prepared from the following raw materials in parts by weight: 230-250 parts of corn, 40-60 parts of wheat, 10-12 parts of soybean meal, 8-12 parts of grape juice, 6-8 parts of bone flour, 10-14 parts of sorghum rice flour, 4-5 parts of yam flour, 3-5 parts of sunflower seed powder, 2-4 parts of fineleaf schizonepeta herbs, 2-3 parts of wrinkled gianthyssop herbs, 1-2 parts of table salt, 5-6 parts of prawn powder, 5-7 parts of cod meat, 6-8 parts of carrot powder, 5-6 parts of addition agents, and an appropriate amount of water. With the chicken feed provided by the invention, the nutrient needs of chickens on water, protein, carbohydrates, fat, minerals, micro elements and vitamins are satisfied, the healthy growth of the chicken is guaranteed, and at the same time, the digestion capacity and the detoxification capacity of the chickens can be enhanced, so that the immunity and the disease resistance of the chickens are improved; at the same time, the quality and the mouth feel of chicken meat can also be improved; the chicken feed does not have chemical drug residual or drug tolerance, health-care effects rather than toxic and side effects can be brought for a human body, and the chicken feed has favorable social benefits and ecological benefits. The fineleaf schizonepeta herbs which are added into the chicken feed have the effects of dispelling wind and stopping bleeding; the wrinkled gianthyssop herbs which are added into the chicken feed have the efficacies of relieving exterior syndrome and relieving summer-heat and preventing infectious diseases; the Chinese elder herbs which are added into the chicken feed have the functions of dispelling wind and eliminating dampness, dissipating blood stasis to stop pain and inducing diuresis for removing edema.
Owner:MAANSHAN WUGU POULTRY IND SPECIALIZED COOP

Method for extracting caffeine from tea

The invention discloses a method for extracting caffeine from tea. The method specifically comprises the following steps: adding ground tea into a reactor equipped with a Soxhlet extractor and internally provided with ethanol and zeolite; performing heating reflux for 1.8-2.2h; distilling an extracting solution; boiling the extracting solution for 10-60 min; pouring the left liquid into a evaporation pan; adding quicklime into the pan; stirring the obtained mixture on a steam bath till the mixture is dried; grinding the obtained solid to light green powder; and performing sublimation to obtain caffeine. According to the method, waste tea can be utilized, and environment pollution is avoided. The method is simple, is low in cost, and has an excellent application value.
Owner:JIANGSU TIANSHENG PHARMA

Micro-nano organic fertilizer

The invention belongs to the technical field of fertilizers with shapes as characteristics and in particular relates to a micro-nano water-soluble organic fertilizer of which the particle size is 80nmto 20[mu] m. The organic fertilizer is high in absorption rate by plant cells, outstanding in fertilizer effect and capable of increasing yields, improving effects, reducing cost and improving quality. The organic fertilizer is high in solid content, does not burn seedlings, in addition is remarkable in fertilizer effect, is free of chemical residue, and is capable of reducing the rate of insects, the lodging rate and the seedling burning rate, improving soil environments, improving the fertilizer effect and inhibiting growth of weeds. The organic fertilizer is free of emission of "three wastes" in the production process, is small in floor space and short in production cycle, is not limited by seasons and can be produced all over the year, the production cost can be greatly reduced, and the yield of the organic fertilizer is high.
Owner:李让品

Preparation method of sterile honey

The invention discloses a preparation method of sterile honey, and particularly relates to the technical field of honey processing. The preparation method comprises multiple procedures of rough filtration, sterilization, purification, concentration and sterile canning, raw honey of honey is subjected to rough filtration to filter out large-particle impurities, then high-density CO2 is introduced for sterilization, and after sterilization, ultrafiltration purification is performed to achieve the effects of further sterilization, impurity removal and peculiar smell removal, so that the sterilization rate reaches 99% or above; soluble soybean polysaccharide and nano cellulose are added into honey clarified liquid obtained through ultrafiltration to serve as stabilizers, so that honey can be kept clarified and bright in color, dietary fibers are increased, the taste is cleaner, sweet and pure, the uniformity and stability of a honey finished product are further improved, vacuum concentration is conducted after ultrafiltration, and finally sterile canning storage is conducted. The sterile honey finished product obtained by adopting the method maximally retains nutrient substances and natural flavor of raw honey, avoids precipitation of the honey finished product, improves the quality of the honey, and prolongs the storage life.
Owner:广西蜜博士蜂业有限责任公司

Cleaning mechanism for dyeing and finishing cloth

The invention discloses a cleaning mechanism for dyeing and finishing cloth. The cleaning mechanism comprises a bearing block, wherein a bearing groove is formed in the bearing block; the bearing groove is internally provided with a cleaning device; a fixed mount is fixed on one side of the upper end of the bearing block; a drying device is arranged on the fixed mount; a pressing block is fixed onthe upper end of one side of the bearing block; a conveying device is arranged on the pressing block; first sliding grooves are formed in two ends of one side of the fixed mount respectively; and a first sliding block is installed inside each first sliding groove respectively. The cleaning mechanism realizes the functions of cleaning and smoothening cloth, the cloth can be cleaned thoroughly, chemical residue does not exist, the surface of the cloth is smoothened, the cloth cannot be laminated together, the cloth is quickly dried and pressed, no folding mark is generated on the cloth, the cloth is convenient to collect, the product quality is improved, the product competitiveness is improved, water is convenient to drain, the cleanliness of the machine is guaranteed, the working efficiency is improved, and the cleaning mechanism is simple in structure, convenient in operation and applicable for popularization.
Owner:沈家扬

Method for controlling summer squash root-knot nematode through biological trapping

The invention discloses a method for controlling summer squash root-knot nematode through biological trapping. By reasonably arranging a planting mode, intercropping of main crops and biological trap plants is achieved, multiple technical methods are organically combined, chemical nematicide is not used completely, the summer squash root-knot nematode can be effectively controlled, the yield of summer squashes is increased, and the method conforms to a green and low carbon idea. By means of the method for controlling the summer squash root-knot nematode through biological trapping, the controlling effect on the summer squash root-knot nematode reaches 87.5% to 91.3%, and the yield of the summer squashes is increased by 16.9% compared with a traditional controlling method.
Owner:胡永军

Biological trapping method for controlling colored bell pepper root-knot nematode

The invention discloses a biological trapping method for controlling colored bell pepper root-knot nematode. According to the invention, with a reasonably set planting mode, a main crop is intercropped with a biological trapping plant. With an organic combination of the intercropping method and a plurality of technical measures, colored bell pepper root-knot nematode can be effectively controlled without using any chemical pesticides. With the method, colored bell pepper yield can be increased. The method accords with green and low-carbon concepts. With the method, a colored bell pepper root-knot nematode control effect can reach 91.4-93.1%, and colored bell pepper yield can be improved by 17.1% than that of a traditional control method.
Owner:寿光市新世纪种苗有限公司
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