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702 results about "Rice straw" patented technology

No spill straw

Aspects disclosed herein generally relate to beverage systems. Particularly, beverage systems comprising a straw mechanism that is magnetically secured to a lid structure. The beverage systems in accordance with aspects herein have straw mechanisms that are selectively leak-proof.
Owner:BRUMATE LLC

Container with multifunction lid and straw

The present invention includes a drinking container with a multifunction lid. The lid can be configured to engage an opening of the container to retain liquid within the container. The lid may further include a first opening for dispensing liquid. Additionally, the lid may include a second opening for receiving a straw. The lid may also include a first cover for covering the first opening in a first position and for allowing access to the first opening in a second position. The lid may also include a second cover for covering the second opening in a first position and for allowing access to the second opening in a second position.
Owner:BASE BRANDS LLC

High-efficiency control agent for rice sheath blight disease based on biological agent

The present invention relates to the technical field of pesticides, and discloses a biological agent-based rice sheath blight disease efficient control agent, which comprises an active flora, a carrier, an auxiliary agent and a disease resistance enhancing factor, the active flora is used for combining humidity, pH and temperature response type materials so as to make the bacterial agent dynamically released, and the disease resistance enhancing factor is used for controlling the disease resistance of the rice sheath blight disease. The carrier is used for enabling the active ingredients to be slowly released in a field environment and keep stability, the auxiliary additive is used for improving the activity, adhesiveness and soil adaptability of the fungicide, and the disease-resistant enhancing factor is used for expanding and improving the adaptability of the control agent. The ratio of the active flora to the carrier to the auxiliary additive to the disease-resistant enhancing factor is 10: 50: 13: 27. Through the synergistic effect of various functional strains and the combination of the dynamic release carrier, the occurrence and propagation of the rice sheath blight disease are effectively inhibited, the prevention and treatment rate can reach 75-85%, and the prevention and treatment effect is obviously higher than that of a traditional chemical pesticide or a single fungicide.
Owner:INST OF PLANT PROTECTION JIANGXI ACAD OF AGRI SCI +1

Rice straw decomposition process full life cycle monitoring system based on cloud platform

The invention discloses a rice straw decomposition process full life cycle monitoring system based on a cloud platform, and relates to the field of agricultural informatization, and the system comprises a field data collection terminal which is used for collecting near infrared spectrum data, image data and operation and environment data of a straw decomposition process; the layered identification and modeling unit is used for identifying initial mass proportions and decomposition progress of soluble components, cellulose components, hemicellulose components and lignin components of the straws, and establishing a layered progress bar; the fusion progress calculation unit is used for weighting each layered progress bar based on the initial mass ratio to generate an overall decomposition progress bar; the progress output unit is used for simultaneously outputting a layered progress bar and an overall decomposition progress bar; and the mode mining unit is used for clustering the historical layered progress bars, forming a progress category prototype library and outputting potential blocking reasons. The problems that the field straw decomposition process is difficult to monitor in real time and the blocking reason is difficult to identify are solved.
Owner:SHENYANG AGRI UNIV

Straw and straw bottle containing combined straw

The present disclosure provides a straw and a straw bottle containing a combined straw. The straw includes a rigid tube, a hose sleeved to a bottom of the rigid tube, and an elastic installing base sleeved on an outside of the rigid tube. The elastic installing base is detachably sleeved in a drinking water outlet of a cover body. When a top cover is buckled with the cover body, the top cover presses the rigid tube, so that the hose is in a compression and bending state, and the straw is placed in the drinking water outlet. Thus, a user may disassemble and assemble the straw, which is convenient for the cleaning of the straw.
Owner:EYQ INTERNATIONAL LTD

Streptomyces DLS188 and application thereof

The invention discloses streptomyces DLS188 and application thereof, and belongs to the technical field of microorganisms. The preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No.33250. The strain is high in humic acid production capacity when being used for fermenting lignocellulose, and the strain is used for fermenting rice straw powder and wheat bran to prepare DLS188 bacterial fertilizer. After the DLS188 bacterial fertilizer is added into soil and wheat is sown, agronomic characters such as the plant height, the leaf length and the leaf number of the wheat can be remarkably promoted. Research on the soil after wheat sowing is completed shows that the addition of the DLS188 bacterial fertilizer significantly changes the microbial community of the soil, increases the diversity and abundance of the microbial community, and increases the content of humus in the soil. It is further shown that the DLS188 bacterial fertilizer is beneficial to adjustment of the soil microbial community structure and can be used for soil improvement. And the method has important significance for realizing resource utilization of agricultural straws.
Owner:DALI UNIV

Plant fiber mould pressing flowerpot and manufacturing method thereof

ActiveCN119655081AFill the gap in the industryUniform strengthWood working apparatusDomestic articlesEpoxyPlant fibre
The invention relates to the technical field of degradable flowerpots, in particular to a plant fiber mould pressing flowerpot and a manufacturing method of the plant fiber mould pressing flowerpot. 10 to 20 parts of a composite binder; wherein the plant fiber comprises at least one of straw and wheat straw, and the length of the straw and the wheat straw is 5-10 mm; the composite binder comprises the following components in parts by weight: 60-80 parts of modified urea-formaldehyde resin; 15 to 25 parts of epoxy resin; according to the plant fiber flowerpot, the plant fiber flowerpot with the height of 15 cm or above is successfully manufactured, and the industry blank is filled up; balanced strength distribution from bottom to top is achieved through fiber orientation and gradient density forming. The composite binder system obviously reduces the water absorption rate of the flowerpot and prolongs the service life of the product; the degradation speed is accurately controlled by regulating and controlling the ratio of the plant fibers to the binder.
Owner:CHUZHOU JUYUAN HOME FURNISHING CO LTD +1

Phanerochaete chrysosporium SX-7-2 and application thereof in straw degradation

The invention discloses phanerochaete chrysosporium SX-7-2 and application of the phanerochaete chrysosporium SX-7-2 in straw degradation, and belongs to the field of solid waste treatment. The phanerochaete chrysosporium provided by the invention is derived from Baimao peak rotten wood in Jinzhai county in Liuzhai City, Anhui Province, and a strain capable of decomposing cellulose is screened from the phanerochaete chrysosporium and named as SX-7 The phanerochaete chrysosporium SX-7-2 disclosed by the invention has a relatively high rice straw degradation rate, and the rice straw degradation rate reaches 31.2% after the phanerochaete chrysosporium SX-7-2 is fermented for 15 days and is obviously higher than 5.7% of a control group.
Owner:AGRI MASCH EQUIP & ENG RES INST ANHUI ACAD OF AGRI SCI

Application of OsMADS15 protein and coding gene thereof in regulating and controlling resistance of plant to waterstraw dwarf virus

The invention belongs to the technical field of biology, and particularly relates to application of OsMADS15 protein and a coding gene thereof in regulating resistance of plants to waterstraw dwarf virus. The amino acid sequence of the OsMADS15 is as shown in SEQ ID NO. 2, and the nucleotide sequence of the coding gene of the OsMADS15 is as shown in SEQ ID NO. 1. It is found for the first time that inhibition of expression of the coding gene of the OsMADS15 protein in rice can reduce the resistance of rice to the rice straw-like dwarf virus. Therefore, the OsMADS15 protein and the coding gene thereof have important significance for researching the waterstraw dwarf disease and providing sensitive strains.
Owner:FUJIAN AGRI & FORESTRY UNIV

Preparation Method of Rice Straw Biochar Loaded with Bacillus cereus and Use Thereof

A preparation method of a rice straw biochar loaded with Bacillus cereus, comprising: (1) washing, drying, grinding and sieving rice straws; (2) performing anaerobic pyrolysis treatment on the rice straws treated in the step (1) at 300-700° C. to obtain a biochar; (3) treating the biochar obtained in the step (2) with hydrochloric acid, then washing until a washing solution is neutral, drying, grinding, sieving and sterilizing to obtain a sterilized biochar; and (4) performing mixed culture on the sterilized biochar and a solution of Bacillus cereus subjected to activation culture, and then centrifuging after the end of culture to remove supernatant, so as to obtain a rice straw biochar loaded with Bacillus cereus having a carbon immobilizing capability.
Owner:SICHUAN AGRI UNIV +2

Method for improving denitrification nitrogen removal performance of corn or rice straw fermentation carbon source by using glucose

The invention relates to the technical field of sewage treatment, in particular to a method for improving the denitrification nitrogen removal performance of a corn or rice straw fermentation carbon source by using industrial glucose. According to the method, the straws are soaked and pretreated by adopting calcium peroxide, and meanwhile, in the anaerobic fermentation process, the anaerobic condition is kept through nitrogen, and zero-valent iron is added to obtain the straw fermentation liquor. Fermentation liquor and industrial glucose are mixed to serve as a composite carbon source, the activity of microorganisms in a sludge system is stimulated through the usability of the glucose, and the utilization rate of the microorganisms to the rice and corn fermentation liquor carbon source is increased; anaerobic fermentation conditions of rice and corn straws are optimized, the carbon source release rate is increased, the complexity of carbon source composition of fermentation liquor is utilized, the diversity of microorganisms is improved, excessive propagation of the microorganisms is avoided, and the biological denitrification capacity is improved. The method disclosed by the invention is beneficial to resource utilization of agricultural wastes, reduces the biological denitrification cost of sewage with a low carbon-nitrogen ratio, and promotes green and low-carbon development of sewage treatment.
Owner:INSTITUTE OF MICROBIOLOGY JIANGXI ACADEMY OF SCIENCES (JIANGXI INSTITUTE OF WATERSHED ECOLOGY)

Acid polluted soil carbon emission reduction method based on coupled ecological system

The invention discloses an acid contaminated soil carbon emission reduction method based on a coupled ecological system, which comprises the following steps: adding rice straw biochar into acid contaminated soil, planting plants which are perennial ryegrass, and after the plants are cultivated to a mature period, strengthening the photosynthesis capability of the plants and the carbon sequestration capability of the soil at the same time, so as to improve the carbon sequestration capability of the acid contaminated soil. The negative increase of the CO2 emission cumulant and the remediation of the acidic polluted soil are realized. According to the method, the emission cumulant of CO2 in the acid polluted soil is greatly reduced, the total absorption amount of CO2 reaches up to 193.41 g / m < 2 >-304.41 g / m < 2 >, and the method has the advantages that raw materials are low in cost and easy to obtain, operation is easy, the operation cost is low, secondary pollution is avoided, and the method is suitable for large-scale use and has wide application prospects in the field of carbon emission reduction of the acid polluted soil (such as heavy metal pollution).
Owner:HUNAN UNIV

Rice straw returning method for improving soil fertility

The invention relates to the technical field of crop straw treatment and soil improvement, in particular to a rice straw returning method for improving soil fertility, which mainly comprises the following steps: crushing rice straws, soaking with a sodium hydroxide solution, and drying; then selecting specific strains, mixing and fermenting to prepare a microbial agent; preparing a composite additive in proportion; within 1-2 days after the rice is harvested, the pretreated straw, the microbial agent and the composite additive are applied to the field, deep ploughing is conducted, and irrigation is conducted; and finally, performing rotary tillage and soil preparation after straw decomposition, and monitoring and adjusting the pH value of the soil when next-stubble crops are planted. According to the method, straw is pretreated, lignin is destroyed through a sodium hydroxide solution, the particle size is accurately controlled, drying is conducted in cooperation, the microbial decomposition efficiency is improved, straw and soil are fully mixed through accurate ploughing in the field, decomposition is accelerated into nutrients, the straw can be powerfully decomposed through a microbial agent, and the soil micro-ecology is improved; the composite additive supplements various nutrients and enhances the water and fertilizer retention capability of soil.
Owner:XINGAN LEAGUE AGRI & ANIMAL HUSBANDRY RES INST

Cultivation material for improving content of B-group vitamins of straw mushrooms and application of cultivation material in straw mushroom cultivation

The invention discloses a cultivation material for increasing the content of B vitamins of straw mushrooms and application of the cultivation material in straw mushroom cultivation. The cultivation material is formed by mixing and fermenting the following components in percentage by weight: 52-72% of pilose antler mushroom dregs, 10-20% of rice straws, 15-25% of waste cotton and 3% of lime. The contents of vitamin B3, vitamin B5, vitamin B6 and vitamin B12 in the volvariella volvacea sporocarp cultivated by adopting the cultivation material disclosed by the invention are obviously increased, the nutritional value of the volvariella volvacea is increased, and the market competitiveness and economic benefits of products are greatly enhanced. The pilose antler mushroom residues are used for replacing part of waste cotton raw materials, the production cost is reduced, meanwhile, efficient recycling of agricultural waste is achieved, and the method is suitable for large-scale industrial production.
Owner:SHANGHAI ACAD OF AGRI SCI

Culture medium for cultivating stropharia rugoso-annulata as well as preparation method and application of culture medium

The invention relates to the technical field of edible mushroom cultivation, in particular to a culture medium for cultivating stropharia rugoso-annulata and a preparation method and application thereof. The culture medium for cultivating the stropharia rugoso-annulata is prepared from the following components: rape straw, soybean meal, rice chaff, pepper straw, rice straw, loofah sponge, livestock and poultry manure, corncob, sawdust, calcium lignosulphonate and gypsum powder. The time from sowing to fruiting is 40-55 days by adopting the stropharia rugoso-annulata culture medium provided by the invention, and the fruiting time is obviously shortened compared with that of a contrast. By adopting the culture medium for cultivating the stropharia rugoso-annulata, the average yield of the stropharia rugoso-annulata reaches 8.15-8.64 kg / m < 2 >, and compared with a contrast, the average yield of the stropharia rugoso-annulata is remarkably improved. Therefore, the oilseed rape straw, the soybean meal, the rice chaff, the pepper straw, the rice straw, the loofah sponge and the calcium lignosulphonate are compounded, the fruiting time of the stropharia rugoso-annulata is shortened, and the yield of the stropharia rugoso-annulata is increased.
Owner:JILIN ACAD OF AGRI SCI

Prussella sp. And application thereof

The invention relates to a Prussella sp. And application thereof, and belongs to the technical field of microorganisms. The method comprises the following steps: firstly, screening and separating a strain of Plesteria sp. RL-1 from intestinal tracts of worker termites of saw termites, and preserving the Plesteria sp. RL-1 in China General Microbiological Culture Collection Center (CGMCC) with the preservation number of CGMCC No.32481; the Prussella reevesii RL-1 can grow on an inorganic salt culture medium with alkali lignin as a unique carbon source, and has the capacity of degrading alkali lignin and decolorizing dye; experiments prove that the Princisteria RL-1 can rapidly and efficiently degrade alkali lignin, the degradation rate reaches up to 88% or above, the Princisteria RL-1 can adapt to wide temperature and pH ranges and can directly degrade crop straw such as rice straw, obtained metabolites can promote plant growth, and the Princisteria RL-1 can be applied to resource application of agricultural waste and has a wide application prospect. And wastewater treatment in industries such as papermaking and printing and dyeing.
Owner:JIANGSU UNIV

Breeding tail water treatment method and system of rice straw modified biochar

The invention belongs to the technical field of data processing, and provides a breeding tail water treatment method and system of rice straw modified biochar, and the method specifically comprises the following steps: firstly, arranging a flow sensor at a water inlet of a fluidized bed, reading the water inlet flow, and obtaining the aeration rate from an aeration device of the fluidized bed in real time; then, when the change rate of the water inlet flow exceeds a threshold value, self-adaptive aeration rate regulation intervention is carried out; wherein the self-adaptive aeration rate regulation intervention process comprises the following steps: constructing an aeration adaptive model through the water inlet flow and the aeration rate to obtain an adaptive pairing amount; and controlling the aeration rate according to the adaptive pairing amount. The occurrence risk of collapse of the fluidizing medium particles caused by water inlet flow change and aeration rate transition during culture tail water treatment of the fluidizing medium particles constructed by the rice straw modified biochar is dynamically quantified; fluidizing medium particles constructed by the rice straw modified charcoal are prevented from being crushed due to excessive aeration or sharp increase of water flow, and the operation quality and the service life of the fluidized bed are improved.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT GUANGDONG ACADEMY OF AGRI SCI

Aspergillus DLF18 and application thereof

The invention discloses Aspergillus sp. DLF18 and application thereof, and relates to the technical field of microorganisms, and the preservation number of the Aspergillus sp. DLF18 is CGMCC (China General Microbiological Culture Collection Center) NO.41737. The strain can effectively utilize rice straws and / or bagasse to produce humic acid, and the content of humic acid in each gram of fermentation supernatant after the rice straws are fermented is 16.5%. When the DLF18 fermentation product is applied to crops, the growth condition of the crops can be remarkably improved, and the humus content in soil is increased. Meanwhile, a metagenomics analysis result shows that compared with a control group, after the DLF18 is applied into the soil, the species beta diversity is remarkably changed, and the functional gene abundance and the inter-group difference are remarkably changed. Therefore, the DLF18 has a wide application prospect in the aspects of agricultural straw utilization and soil remediation.
Owner:DALI UNIV

Intelligent control system and method for rice straw wet harrowing and field returning operation based on Internet of Things

The invention discloses an intelligent control system and method for wet raking and field returning operation of rice straw based on the Internet of Things, particularly relates to the field of agricultural machinery automation, and is used for solving the problems of tilling depth fluctuation, straw floating and winding and uneven burying thickness caused by muddy water in traditional wet raking operation. The method comprises the following steps: acquiring torque and position information of a rotary blade shaft in real time, establishing a torque sequence and a position index, executing edge detection on the sequence to divide stable sections, generating section labels, matching an action template from a rule base, issuing a tilling depth adjustment and speed correction instruction, and recovering an execution receipt to evaluate torque response. The burying uniformity and the tilling depth stability are calculated and written into a quality account book, and adjacent section optimization strategy switching is retrieved; torque is used as core sensing, sectionalized intelligent regulation and control of the operation process are achieved, continuous and consistent burying and ground surface smoothness are guaranteed, and operation efficiency and quality are improved.
Owner:SHENYANG AGRI UNIV

PLA / PPC degradable spinning material and preparation method thereof

The invention belongs to the technical field of biodegradable high polymer materials, and particularly discloses a PLA / PPC degradable spinning material and a preparation method thereof. The PLA / PPC degradable spinning material is prepared from the following raw materials in parts by weight: 65 to 75 parts of terminated polypropylene carbonate, 15 to 20 parts of polylactic acid, 1 to 2 parts of epoxidized soybean oil, 7 to 10 parts of composite Na-montmorillonite, 3 to 5 parts of light calcium carbonate, 6 to 9 parts of rice straw fiber, 0.6 to 0.8 part of cross-linking agent, 0.2 to 0.5 part of antioxidant, 1 to 2 parts of maleic anhydride grafted PLA compatilizer, 0.07 to 0.01 part of catalyst and 0.3 to 0.5 part of silicone. Various raw materials are mixed, so that the mechanical property of the material is remarkably improved, the material has good strength and toughness, and the comprehensive performance of the material is improved.
Owner:YUANJIA BIOTECHNOLOGY (GUANGDONG) CO LTD

Straw screening device

The utility model discloses a straw screening device which comprises an installation frame, a feeding port is formed in one side of the installation frame, a feeding roller is installed in the feeding port, a broken yeast separating screen is installed on the portion, on the lower side of the feeding roller, of the installation frame, a conveying channel is installed on the installation frame, and a straw screening mechanism is installed at the input end of the conveying channel. A straw screening roller is installed on the transition section of the conveying channel, a straw conveying roller is installed on the upper side of the conveying channel, an available straw outlet is further formed in the output end of the conveying channel, a waste outlet is formed in the position, at the bottom of the output end of the broken koji separating screen, of the mounting frame, and a power output mechanism is further installed on one side of the bottom of the mounting frame. And the power output mechanism is connected with the feeding roller, the broken yeast separating sieve, the straw screening mechanism, the straw screening roller and the straw conveying roller. According to the utility model, a mixture of broken yeast blocks and straw is mechanically screened, so that the effects of saving labor, improving the recovery rate of the yeast blocks and avoiding waste of raw materials are achieved, and the existing processing requirements are met.
Owner:GUIZHOU MOUTAI WINERY GRP XIJIU CO LTD +1

Nutrition bowl for saline-alkali soil planting and manufacturing method thereof

The invention relates to the technical field of saline-alkali soil planting, and discloses a nutrition bowl for saline-alkali soil planting and a manufacturing method thereof. The nutrition bowl comprises an inner-layer nutrition bowl body and an outer-layer nutrition bowl body, the outer-layer nutrition bowl body is arranged on the outer side of the inner-layer nutrition bowl body in a sleeving mode and is made of plant ash, plant starch, straw fiber powder, dehydrated municipal sludge, polylactic acid, glycerin, animal waste and straw mixed materials, and saline-alkali soil is mixed in the outer-layer nutrition bowl body. According to the nutrition bowl, plants are planted in nutrient soil in the nutrition bowl, and the bowl body is buried in saline-alkali soil. Plant root systems grow in the nutrient soil, then penetrate through the inner-layer nutrition bowl body, outwards enter the outer-layer nutrition bowl body and finally enter the saline-alkali soil, the process of gradually adapting to the saline-alkali soil is achieved, the salt tolerance of the plant root systems is enhanced, and the plant survival rate is increased; and the bowl body can be automatically degraded, can be completely fused into the soil environment, and has the effect of improving the soil environment of the saline-alkali soil after long-term use.
Owner:ZHONGJI SHENGFENG ENVIRONMENTAL ENG TECH GRP CO LTD

Penicillium chrysogenum DLS189 and application thereof

The invention discloses Penicillium chrysogenum DLS189 and application thereof, and relates to the technical field of microorganisms, and the preservation number of the Penicillium chrysogenum DLS189 is CGMCC (China General Microbiological Culture Collection Center) NO.41739. The invention further discloses a preparation method of the Penicillium chrysogenum DLS189. The strain can effectively utilize rice straws and / or bagasse to produce humic acid, and the content of humic acid in each gram of fermentation supernatant after the rice straws are fermented is 16.84%. When the DLS189 fermentation product is applied to crops, the growth condition of the crops can be remarkably improved, and the humus content in soil is increased. Meanwhile, a metagenomics analysis result shows that compared with a control group, after the DLS189 is applied into the soil, the species beta diversity is remarkably changed, and the functional gene abundance and the inter-group difference are remarkably changed. Therefore, the DLS189 has a wide application prospect in the aspects of agricultural straw utilization and soil remediation.
Owner:DALI UNIV

Liquid quantum dot fertilizer as well as preparation method and application thereof

The invention discloses a liquid quantum dot fertilizer and a preparation method and application thereof.The preparation method comprises the steps that treated rice straw is smashed through a smashing machine, the smashed rice straw is placed in a closed container, an ammonia water solution is added, and after even stirring and mixing are conducted, incubation is conducted in the closed container in time under illumination; after incubation is completed, straw residues are twisted and removed, obtained leachate is liquid carbon quantum dot fertilizer, and the straw residues are returned to the field; or the incubated straw residues and the ammonia water solution are subjected to ultrasonic treatment continuously, the straw residues are removed, a liquid carbon-silicon quantum dot fertilizer is generated, and the straw residues are returned to the field. The two liquid quantum dot fertilizers have good compatibility with trace element foliar fertilizers, amino acid-containing foliar fertilizers or pesticides, can improve the crop utilization rate of the trace element foliar fertilizers and the amino acid-containing foliar fertilizers, and can realize simultaneous fertilization and disease control of crops when being mixed with the pesticides. The technology is convenient, economical, practical and efficient.
Owner:HUAINAN NORMAL UNIV +2

Novel crushing device for producing efficient organic fertilizer from livestock manure

The utility model discloses a novel crushing device for producing an efficient organic fertilizer from livestock manure, and particularly relates to the field of fertilizer raw material crushing equipment. Each crushing roller comprises a roller body, a threaded sleeve and a cutting knife, the roller bodies are rotationally connected into the crushing box body, the hollow roller bodies are provided with placing grooves, the cutting knives are elastically and rotationally connected into the placing grooves, the cutting edges of the cutting knives can pop out of the placing grooves, and the threaded sleeves are in threaded connection with the interiors of the roller bodies; one end of the cutting knife is clamped and matched with the threaded sleeve; the motor is arranged on one side of the crushing box body and used for driving the two crushing rollers to rotate in the opposite directions, the motor is electrically connected with an external controller, the popup time of the cutting knife is reasonably controlled through the threaded sleeve, and the cutting knife pops up when necessary to cut straw wound on roller bodies; and the rotating rod rotates to control the cutting knife to retract into the roller body, so that the use purpose that the cutting knife can be repeatedly opened and closed is achieved.
Owner:JIANGSU YONGJIA MODERN AGRI TECH CO LTD

Rice impurity screening device

The utility model discloses a rice impurity screening device, which belongs to the technical field of rice processing, and comprises a flat plate, the inner wall of a screening tank is provided with a sliding chute positioned below a material guide plate, the screening tank is internally provided with a screening box positioned below the material guide plate, the outer wall of the screening box is fixedly connected with two sliding blocks positioned in the sliding chute, and the sliding blocks are arranged in the sliding chute. The two sliding blocks are slidably connected to the interiors of the sliding grooves, a discharging opening is formed in the lower end face of the screening tank, rice needing to be screened is put into the screening tank through the feeding opening, the rice needing to be screened falls on the upper end face of a first screening plate, large impurities such as rice straw and weeds are screened out through the first screening plate, and the screening efficiency is improved. Impurities are pushed to the slag discharging pipe to be discharged in the tangential direction of the outer circle of the first screening plate through the arc-shaped material pushing scraping plate, rice husks and gravel larger than rice are screened out through the screening box, and the rice screening device has the advantages of being high in working efficiency and good in screening effect.
Owner:COFCO ENG (XIAN) INT ENG CO LTD

Rice straw decomposition agent as well as preparation method and application thereof

The invention belongs to the technical field of microbial fermentation and biological agriculture, and discloses a rice straw decomposition agent as well as a preparation method and application thereof. The rice straw decomposition agent is obtained by adopting bacillus megatherium (Bacillus megatherium) Z101 to be subjected to fermentation culture after activation of the bacillus megatherium Z101. The application method comprises the steps that harvested rice straw is flatly laid in a rice field, the water level of the rice field is kept to submerge the rice straw, then the rice straw decomposition agent is diluted with water and then sprayed to the surface of the laid rice straw for decomposition fermentation treatment, and decomposed rice straw is obtained. The rice straw decomposing inoculant is a fermentation culture solution of bacillus megatherium Z101, and compared with a fermentation culture solution obtained by conventional bacillus megatherium in the market, the rice straw decomposing inoculant has higher rice straw decomposing efficiency and speed, in-situ decomposing and field returning of rice straw are facilitated, and a new application way is provided for the bacillus megatherium Z101.
Owner:FOSHAN ZHIBAO CHEM

Method for promoting microbial balance and improving ecological function of soil by straw returning to field

The invention discloses a method for promoting microbial balance and improving the ecological function of soil through straw returning, and relates to the technical field of agricultural soil improvement. In a raw material pretreatment link, microbial agents A and B are added and fixed in a biochar pore structure, and a good foundation is laid for subsequent field returning through operations of pyrolysis carbonization, biological enzyme addition, foliage spraying of a microbial activator and the like. During field returning operation, measures such as specific deep ploughing depth, straw covering thickness and soil improvement agent adding are adopted according to different soil characteristics. In the fertigation process, the relative water content of soil is accurately controlled, fertilization is conducted according to the specific nitrogen-phosphorus-potassium proportion, and drip irrigation and spray irrigation modes are combined. The change of soil microbial communities is monitored by a high-throughput sequencing technology every 15 days, and the soil oxidation-reduction potential is measured by an oxidation-reduction potential instrument and is regulated and controlled in time. The problem of traditional straw returning is effectively solved, and the soil ecological function and the crop yield are remarkably improved.
Owner:SUQIAN AGRI SCI RES INST JIANGSU ACAD OF AGRI SCI