13 results about "Upland rice" patented technology

The invention discloses an efficient composite intercropping method for pomegranate, dry rice and broad bean grain, which scientifically combines pomegranate (economic output), dry rice (grain output) and broad bean (partial economic output and biological nitrogen fixation and land cultivation), realizes functional complementation, and breaks through the single target limitation of the traditional intercropping mode. Through effective connection of crops for rotation of'broad bean sowing in winter and upland rice sowing in spring ', full utilization of light and heat resources and land in the orchard from winter to spring, summer and autumn in the next year is realized, and the multiple cropping index is remarkably improved; the pomegranate utilizes the upper-layer three-dimensional space, and the upland rice and the broad beans utilize the middle-lower-layer space, so that an efficient three-dimensional lighting structure and space combination are formed; the nitrogen fixation effect of the rhizobium of the broad beans can directly increase the nitrogen nutrition of the soil, the straw returning can increase the organic matters of the soil, and the built-in fertilizing mechanism of the orchard effectively relieves the consumption of the intercropping system on the soil fertility and ensures the sustainability of the mode.

The dry rice seeding device comprises a U-shaped rack connected with a rotary cultivator, wheels are arranged on the two sides of the rack, a transverse plate is fixed to the inner side of the U-shaped rack, and a plurality of sets of charging barrels are evenly distributed on the transverse plate in the length direction. A seeding rod is arranged at the bottom of the charging barrel in an up-down sliding manner, openings are formed in two sides of the seeding rod, material rotating columns are rotationally assembled in the seeding rod corresponding to the openings, and material rotating grooves are formed in two sides of the material rotating columns corresponding to the openings; and a material receiving column is rotationally arranged at the lower part of the material rotating column in the seeding rod, and a material guiding channel for guiding the upland rice to the material receiving column is arranged. The material rotating column rotates after receiving materials, upland rice is fed into the material receiving column through the material guiding channel, the material receiving column is provided with a discharging port, and the material receiving column rotates to enable the discharging port to face the outer side of an opening in the bottom of the seeding rod after the seeding rod is inserted into soil. A driving mechanism for driving the seeding rod to lift in a reciprocating manner is arranged on the U-shaped rack. Quantitative seed taking is achieved through the material transferring groove, sowing is started after a material outlet of the material receiving column enters soil, quantitative material taking and sowing of dry rice are achieved, and meanwhile the technical effect of sowing blocking prevention is achieved.

The invention belongs to the technical field of microbial agents for soil improvement, and particularly relates to application of a microbial agent for promoting carbon immobilization of a red soil rice field. The microbial inoculum is rhodococcus erythropolis or a synthetic microbial inoculum of rhodococcus erythropolis and pseudomonas aeruginosa, and after the rice seedlings are transplanted to red soil for 3 days, 25mL of suspension liquid of the related microbial inoculum is inoculated to the rhizosphere of each rice seedling. According to the application, the rhizosphere microenvironment is improved, input of plant photosynthetic carbon into soil is activated, meanwhile, the carbon utilization efficiency and conversion capacity of soil in-situ microbial communities are remarkably improved, accumulation of microbial source carbon is promoted, the molecular composition structure of soluble organic matter is remodeled, and finally formation and accumulation of a soil carbon library are promoted and stabilized.

The utility model relates to the technical field of seeding devices, in particular to a sloping field upland rice adaptive seeding device which comprises a material storage box, a vibration motor, a hose and an extension frame, a height adjusting assembly is fixedly connected to the bottom end of the extension frame, a seeding assembly is installed at the lower end of the height adjusting assembly, the height adjusting assembly comprises a fixed shell, and an embedded groove is formed in the inner side of the fixed shell; the upper end of the embedding groove is fixedly connected with a linear spring, the bottom end of the linear spring is fixedly connected with a spring fixing plate, and the bottom end of the spring fixing plate is fixedly connected with an extension column and a shaft block in sequence; the seeding assembly comprises a discharging cutter, a roller column is fixedly connected to the outer side of the discharging cutter, and a clockwork spring is fixedly connected to the outer side of the roller column; according to the device, the device can automatically adapt to slope fluctuation, the seeding depth and angle can be adjusted, the problem of inconsistent depth is solved, the germination rate and the growth uniformity are improved, and high and stable yield is guaranteed.

This invention discloses a precise fertilizer control method for in-situ monitoring of ammonia volatilization in dryland rice fields. It relates to the interdisciplinary field of dryland rice cultivation and farmland ecological environment protection. Combining the subtropical monsoon climate characteristics of major dryland rice producing areas with the coupled water and nitrogen requirements of dryland rice at different growth stages, it constructs an in-situ monitoring system for ammonia volatilization in dryland rice fields based on the sponge method for measuring ammonia nitrogen, with a two-factor synergy of "water source model - nitrogen application system". This invention focuses on the core characteristics of acidic red / yellow soil, low organic matter content, and subtropical monsoon climate in major dryland rice producing areas, characterized by waterlogging during the rainy season and drought during the dry season. By optimizing the synergistic parameters of "water source model - nitrogen application level", it reduces ammonia volatilization by more than 20%. Simultaneously, through the rational combination of organic fertilizer and amino acid fertilizer, it effectively increases soil pH by 0.2-0.3 units, alleviating the acidification trend of acidic soils, improving soil physicochemical properties, and breaking the vicious cycle of "high ammonia volatilization - inefficient nitrogen application - soil acidification".

The invention discloses an efficient and safe weeding method for a tropical upland rice field, and belongs to the technical field of agricultural planting. The method comprises the following steps: spraying glufosinate-ammonium to kill germinated weeds 10-15 days before sowing; (after sowing and before emergence of seedlings, spraying butachlor and bensulfuron methyl to form a pre-emergence closed pesticide film; 15-20 days after seedling emergence, spraying a compound preparation of quinclorac and pyrazosulfuron-ethyl in a ratio of 1: 1 and a compound preparation of MCPA and fluroxypyr in a ratio of 1: 1; 30-35 days after seedling emergence, a cyhalofop-butyl / haloxysulfuron-methyl and penoxsulam compound agent is sequentially applied, and brassinolide and monopotassium phosphate are sprayed 3 days after secondary pesticide application; supplementing and preventing in the middle and later tillering periods, and spraying naphthylacetic acid, urea and monopotassium phosphate 3 days after weeding. The water adding amount in each stage is dynamically adjusted according to the soil water content, the method is suitable for the tropical upland rice area with the annual average temperature larger than or equal to 25 DEG C, the annual rainfall larger than or equal to 1500 mm and the humidity larger than or equal to 80%, and through five-stage time sequence cooperation and precise intervention of the conditioning agent, the weed control effect larger than or equal to 95.2% is achieved, and the phytotoxicity grade is 0 grade.

The invention discloses an aroma-enhancing and aroma-keeping cultivation method for upland rice, which comprises the following steps: controlling the application amount of pure nitrogen to be 60-80kg / ha in a vegetative growth period, applying a base fertilizer and a tillering fertilizer in a ratio of 1: 1 for several times, and synchronously applying phosphoric dianhydride; stopping nitrogen fertilizer supply in the early reproductive stage, topdressing phosphoric dianhydride and potassium oxide, and maintaining the soil water content to be 60-70% of the field moisture capacity in the filling stage; the preparation method comprises the following steps: preparing a liquid medicine taking jasmine leaching liquid as a basic solvent, adding trehalose and tea saponin, and adjusting the pH value to 5.6-6.0; the pesticide liquid is uniformly sprayed on the front and back sides of the leaves at nightfall from the full heading stage to the early grouting stage, mild nitrogen stress is created through fertilizer and water regulation, aroma degradation is inhibited, and precursor accumulation is promoted; the liquid medicine formula synergistically activates aroma synthesis genes and promotes glycosylation conversion, so that the aroma stability is enhanced; the absorption efficiency is improved by combining spraying at nightfall and utilizing physiological characteristics, so that efficient induction and long-acting maintenance of aroma substances are realized, the problem that aroma of dry rice is easy to lose is effectively solved, and the quality and durability of the aroma of the rice are remarkably improved.

The application discloses a kind of soil risk assessment methods for red paddy field, specifically related to soil risk assessment field, for solving the problem that existing method cannot accurately identify the anoxic risk below tillage layer and its influence on root system;By constructing the combined monitoring mechanism of heat flux and oxygen concentration, the metabolic heat release power and oxygen consumption trend are extracted, the reduction dominant area below the tillage layer is identified, and the spatial boundary is fitted, and the three-dimensional distribution map of the anoxic dominant area is established;Combined with the distribution of crop root system, the spatial boundary of the overlap of root zone and anoxic area is extracted, and the profile expansion rate and root zone change characteristics are analyzed in the continuous monitoring period, and the soil degradation trend identification parameter set is constructed.Finally, according to the preset degradation judgment weight, the parameter sequence is scored and mapped, and the soil degradation risk grade atlas covering the entire red paddy field area is generated, with high spatial resolution and high discrimination accuracy of soil risk expression ability.

The invention provides a stepping type quantitative water-saving irrigation device for dry land high-quality rice, which belongs to the technical field of agricultural irrigation and comprises a truss member, a transfer frame member, a support caster assembly, a main guide rod member, a transfer guide rod member, a carriage assembly, an insertion rod assembly and an irrigation assembly. The core is that the truss component is combined with rolling connection and matching of the sliding frame component, the main guide rod component and the switching guide rod component based on the rotating action of the switching frame component; and in cooperation with a supporting trundle assembly capable of ascending, descending and automatically advancing, reciprocating walking conversion type subarea precise irrigation is achieved. According to the device, a rotary auxiliary fulcrum is provided through downward insertion and anchoring of a conical insertion rod, non-rolling type switching of irrigation areas is completed, an irrigation assembly is driven by an electric elevator to ascend and descend, an irrigation head is accurately aligned to the roots of upland rice, quantitative control is achieved in combination with a flow meter, the irrigation efficiency and the water resource utilization rate are improved, and the irrigation cost is reduced. The method is suitable for large-scale dry land high-quality rice planting.

The application discloses a strain of Talaromyces intermedial (D117) inbred in seeds of upland rice, Diaporthe tulliensis The strain has strong abilities of producing indole acetic acid (IAA), dissolving phosphorus and producing iron carrier, can be inbred in rice, can significantly enhance the drought resistance of the rice, and can significantly improve the root length, fresh weight, overground dry weight and underground dry weight of crops, and provides excellent strain resources for development of new microbial fertilizers.

The application provides a step-by-step quantitative water-saving irrigation device for upland high-quality rice, and belongs to the technical field of agricultural irrigation. The device comprises a truss member, an adapter frame member, a supporting caster assembly, a main guide rod member, an adapter guide rod member, a sliding frame assembly, a plug rod assembly and an irrigation assembly. The core of the device is the adapter frame member arranged at both ends of the truss member. The truss member is combined with the rolling connection of the sliding frame assembly, the main guide rod member and the adapter guide rod member based on the rotating action of the adapter frame member. The supporting caster assembly with the functions of lifting and automatic walking is matched to realize the "reciprocal walking conversion type" partition precise irrigation. The device provides a rotating auxiliary fulcrum by inserting the conical plug rod downward to anchor, completes the non-roller compact switching of the irrigation area, and drives the irrigation assembly to lift by the electric hoist to make the irrigation head accurately align with the upland rice root. In combination with the flowmeter, the quantitative control is realized, the irrigation efficiency and the water resource utilization rate are improved, and the device is suitable for the planting of large-scale upland high-quality rice.

The invention discloses an efficient composite intercropping method for pomegranate, dry rice and broad bean grain, which scientifically combines pomegranate (economic output), dry rice (grain output) and broad bean (partial economic output and biological nitrogen fixation and land cultivation), realizes functional complementation, and breaks through the single target limitation of the traditional intercropping mode. Through effective connection of crops for rotation of'broad bean sowing in winter and upland rice sowing in spring ', full utilization of light and heat resources and land in the orchard from winter to spring, summer and autumn in the next year is realized, and the multiple cropping index is remarkably improved; the pomegranate utilizes the upper-layer three-dimensional space, and the upland rice and the broad beans utilize the middle-lower-layer space, so that an efficient three-dimensional lighting structure and space combination are formed; the nitrogen fixation effect of the rhizobium of the broad beans can directly increase the nitrogen nutrition of the soil, the straw returning can increase the organic matters of the soil, and the built-in fertilizing mechanism of the orchard effectively relieves the consumption of the intercropping system on the soil fertility and ensures the sustainability of the mode.

The application discloses a method for improving drought resistance of upland rice by regulating an OsWRKY31 gene, and belongs to the technical field of genetic breeding. Oswrky31 The amino acid of the protein coded by the OsWRKY31 gene is SEQ ID NO:1. The mutant provided by the application is obtained by CRISPR-Cas9 technology, and the change of the nucleotide of the mutant causes early termination of protein translation. Oswrky31 The mutant has higher survival rate and less active oxygen accumulation, and the drought resistance of the rice and the upland rice is improved.