927results about "Rice cultivation" patented technology

Disclosed is a rice and wheat nitrogen nutrition multispectral diagnosis method for precise fertilization by unmanned aerial vehicles (UAVs), including: step 1, acquiring multispectral UAV remote sensing images and collecting agronomic parameters of rice and wheat, and establishing a nitrogen nutrition spectral diagnosis model; and step 2, calculating a critical nitrogen concentration in aboveground parts of rice and wheat based on a critical nitrogen concentration dilution model for amount of dry matter, and further obtaining a critical nitrogen uptake; calculating an actual nitrogen uptake in the aboveground parts of rice and wheat based on the nitrogen nutrition spectral diagnosis model; and obtaining a recommended nitrogen topdressing amount for rice and wheat during corresponding stages based on the critical nitrogen uptake and the actual nitrogen uptake. The present disclosure ensures stable yields of rice and wheat while reducing input of chemical fertilizers and labor, presenting a promising application prospect.

The invention provides a method for preparing carbon quantum dot reinforced subcritical artificial humic acid and applying the carbon quantum dot reinforced subcritical artificial humic acid to a rice field, which comprises the following steps: collecting organic wastes, and drying, grinding and sieving the organic wastes to obtain pretreated raw materials; the preparation method comprises the following steps: mixing pretreated raw materials with water, reacting in a hydrothermal carbonization system at 200-280 DEG C for 1-3 hours, modifying through acid-base pretreatment, adjusting a reaction medium or an additive, and naturally cooling to obtain a natural substance subjected to hydrothermal carbonization; carrying out solid-liquid separation on the natural substance subjected to hydrothermal carbonization by using a 100-mesh coarse filter screen to obtain solid-phase hydrothermal carbon and liquid-phase artificial humic acid; carrying out purification treatment on the liquid-phase artificial humic acid for 48 hours by using a dialysis bag to obtain carbon quantum dots and characterizing the carbon quantum dots; the carbon quantum dot reinforced subcritical artificial humic acid is applied to a rice field, and is additionally applied in a fertilization period. Compared with a traditional composting technology, the scheme has the advantages that the carbon conversion rate is increased by 2-3 times, the soil fertility can be improved, and the rice yield is increased.

The invention discloses a water and fertilizer management method for transplanted high-yield indica type two-line hybrid rice, and belongs to the technical field of rice cultivation. Comprising the following steps: (1) applying citric acid chelated calcium magnesium phosphate fertilizer to soil before transplanting; (2) applying coated controlled-release urea and a silicon-zinc fertilizer on the third day after transplanting; (3) when the tiller number reaches 2650,000-2750,000 plants / hm < 2 >, starting intermittent light field drying for three times, and deeply applying potassium magnesium sulphate before field drying; (4) laterally and deeply applying urea and a boron-humic acid chelate when tips of two inverted leaves are exposed; (5) spraying an aqueous solution in a full heading stage, wherein the aqueous solution comprises monopotassium phosphate, chelated zinc and brassinolide. Through staged precise fertilization, special chelating / controlled release fertilizer and water and fertilizer-field drying cooperation, the method has the advantages that the fertilizer utilization rate is increased, the nutritional requirements of rice in each growth period are precisely matched, and water and fertilizer cooperative management is optimized.

The invention discloses a fertilization recommendation method combined with a rice seedling raising fertilizer carrying technology in the technical field of agricultural production. The fertilization recommendation method comprises the following steps: S1, acquiring geology and seedling raising states; s2, presetting rice growth requirements; s3, calculating to obtain an additional nutrient amount; s4, dividing the growth cycle of the rice; s5, recommending the fertilization amount according to stages; according to the method, nutrient supply of seedling raising fertilizer is brought into a whole-growth-period fertilization plan, and accurate matching is achieved; on the premise that the yield is not affected, the fertilizing amount in the early and whole growth periods of rice is remarkably reduced, and the fertilizer utilization rate is increased; through dynamic matching of the early-stage fertilizer loading and supplying amount and the middle and later-stage fertilizer needing amount, resource waste caused by excessive fertilization is avoided, and the fertilizer cost is reduced; the nutrient proportion is scientifically distributed according to the nutrient absorption efficiency of each stage, and the fertilizer utilization rate is increased; the final yield can be improved; soil fertility indexes and historical data are combined, the profit and loss trend of soil nutrients is recognized, and cyclic utilization of the soil nutrients is achieved through dynamic matching of the sustained and controlled release fertilizer and the organic fertilizer.

The invention discloses pseudomonas chlororaphis S7-24 for antagonizing xanthomonas oryzae and application of the pseudomonas chlororaphis S7-24, and belongs to the technical field of microorganisms. The pseudomonas chlororaphis S7-24 is preserved in the China Center for Type Culture Collection on November 12, 2025, and the preservation number of the pseudomonas chlororaphis S7-24 is CCTCC NO: M 20252533. The pseudomonas chlororaphis S7-24 provided by the invention is a newly found pseudomonas biocontrol resource, and verification shows that the strain S7-24 has relatively high antagonistic activity on rice bacterial blight and rice bacterial streak, and can be used for effectively preventing and treating rice bacterial blight and rice bacterial streak. The pseudomonas chlororaphis S7-24 provided by the invention is used for preventing and treating rice bacterial leaf blight and rice bacterial leaf streak, can reduce the use amount of chemical pesticides, ensures grain safety, and has better economic and ecological benefits.

The invention discloses a special organic-inorganic compound fertilizer for improving the yield and quality of rice in a rice field, and belongs to the technical field of agricultural fertilizers. The compound fertilizer comprises a three-layer structure consisting of a porous core layer, a quick release coating layer and a biodegradable film, wherein the porous core layer is prepared from ammonium polyphosphate, potassium humate, nano charcoal modified chicken manure, mineral source potassium fulvate and sodium carboxymethyl cellulose-bentonite composite colloid; the quick-release coating layer is prepared from sulfur-resin double-layer coated urea, amino acid chelated zinc, alginic acid complex boron, silica sol, ammonium molybdate, 5-aminolevulinic acid and nano cerium oxide; the biodegradable film is prepared from a film forming solution and a bioactive microbial agent. Through the design of a three-layer structure and the combination of an organic-inorganic-microorganism synergistic technology, accurate matching of nutrient release and a rice fertilizer requirement rule is achieved, meanwhile, soil health and environmental protection are considered, and an innovative solution is provided for green high-yield rice planting.

The invention relates to the technical field of agriculture, in particular to a preparation method and an application method of a zinc-rich cadmium-reducing yield-increasing foliar fertilizer. The specific technical scheme is as follows: the zinc-rich cadmium-reducing yield-increasing foliar fertilizer is prepared from the following components in percentage by mass: 20 to 30 percent of porous chitosan, 30 to 40 percent of L-malic acid and 40 to 50 percent of nano zinc oxide. The technical problem that in the prior art, the zinc content of rice cannot be increased, meanwhile, the rice yield cannot be increased, and the cadmium content of rice cannot be reduced is solved.

The invention belongs to the technical field of agriculture, and particularly relates to a method for promoting growth and development of rice based on illumination and nitrogen. One of the purposes of the invention is to provide a method for promoting growth and development of rice based on illumination and nitrogen. The method comprises the following steps: providing cultivation conditions of illumination intensity of 600-800 [mu] mol.m <-2 >. S <-1 > and nitrogen concentration of 5.51-8.11 mM for rice in a tillering stage of the rice. By accurately applying a specific combination of illumination intensity and nitrogen concentration in the tillering stage of rice, efficient loading and long-distance transportation of photosynthetic products (especially cane sugar and the like) in phloem are promoted, and the photosynthetic products are guided to be more effectively and directionally distributed to developed library organs (such as fruits, grains or root systems); therefore, the transfer and circulation efficiency of carbon-nitrogen substances in plants is improved synergistically on the whole, the waste phenomenon of nitrogen redundancy or local lack and ineffective accumulation of photosynthetic products is reduced, and finally, an important physiological regulation basis is provided for remarkably improving the yield and quality of crops.

The invention belongs to the technical field of crop pollution prevention, and particularly relates to a rice heavy metal adsorption and isolation method based on iron agent regulation and control. According to the method, the iron agent is applied to the polluted rice field soil to induce the soil-rhizosphere interface to form an iron film, heavy metals (such as As, Cu, Pb and Cd) are fixed by virtue of adsorption and complexing effects of the iron agent, and migration of the heavy metals to rice roots is reduced, so that accumulation of the heavy metals at edible parts (leaves and ears) of the rice is reduced; the tolerance of the rice in a polluted environment is enhanced; and the risk of heavy metals in a food chain is reduced. Experiments show; through treatment of an iron film formed by a certain iron-based concentration, accumulation of the heavy metals in the rice leaves can be remarkably reduced, and the accumulation amount of the heavy metals in the rice leaves is far lower than the accumulation amount (1 / 40-1 / 120) of the heavy metals in rice roots. The invention provides an effective solution for farmland soil remediation and crop safety production.

According to the nano pesticide and the preparation method and application thereof, pH response type nano particles ZIF-90 serve as a carrier, azoxystrobin is loaded to serve as a medicine, and the nano pesticide is used for preventing and treating rice sheath blight disease caused by rhizoctonia solani. When the rhizoctonia solani infects rice, oxalic acid can be generated to reduce the pH around an infected area, so that the ZIF-90 carrier skeleton and the hyaluronic acid coating are decomposed to release azoxystrobin, and the rhizoctonia solani is inhibited in a targeted manner. It is further found that ZIF-90 and azoxystrobin have synergistic bacteriostatic activity, the EC50 value of azoxystrobin to rhizoctonia solani can be greatly reduced, after ZIF-90 carrier encapsulation and hyaluronic acid end capping, the photolysis stability of azoxystrobin can be improved, the adhesive force of azoxystrobin on rice leaves can be enhanced, and the ZIF-90 and azoxystrobin compound has important application in agricultural disease control.

The invention discloses a preparation method of a controlled-release fertilizer for mechanical transplanting rice seedling raising subsoil and application of the controlled-release fertilizer to replace field fertilization, and belongs to the technical field of rice cultivation. A coating of the controlled-release fertilizer is prepared from the following components in parts by weight: 20 to 60 parts of low-density polyethylene resin, 10 to 20 parts of ethylene-vinyl acetate copolymer, 5 to 30 parts of synthetic resin biodegradation inducer, 3 to 15 parts of starch, 10 to 70 parts of talcum powder and 0.2 to 2 parts of nonionic surfactant. The controlled-release fertilizer comprises urea and a compound fertilizer which are respectively coated by the coating film. According to the controlled-release fertilizer for the machine-transplanted rice seedling raising subsoil, a coating material is optimized, the release inhibition period of the controlled-release fertilizer is 20-30 days, normal growth of rice seedlings is ensured, and the rice growth requirements are accurately met. When the method is used for rice planting, a seedling raising subsoil fertilizer carrying method is adopted, integration of rice transplanting and fertilization is achieved, and on the basis of ensuring high and stable yield of rice, the fertilizer application cost and the risk of nitrogen and phosphorus pollution emission in the rice field are reduced.

This invention provides a method for preparing and applying a rice husk charcoal-modified substrate suitable for multi-mode rice seedling raising, belonging to the field of rice seedling raising technology. The invention first soaks rice husk charcoal in water, then soaks it in a mixed solution of citric acid and ammonium sulfate, and finally air-dries the rice husk charcoal to obtain modified rice husk charcoal. Finally, the modified rice husk charcoal is mixed with different fertilizers to obtain a rice husk charcoal-modified substrate suitable for rice seedling raising in different modes. The rice husk charcoal-modified substrate prepared by this invention can be used not only in tray seedling raising but also has good seedling rolling effect in blanket tray seedling raising.

The invention discloses a method for identifying saline-alkaline tolerance of different rice varieties, relates to a method for identifying saline-alkaline tolerance of rice, and belongs to the field of saline-alkaline tolerance identification of crops. The invention aims to solve the problem that the screened saline-alkaline tolerant rice germplasm resource is difficult to adapt to the actual outdoor saline-alkaline paddy field due to the fact that the saline-alkaline solution prepared in a laboratory is difficult to really simulate the actual condition of the soda saline-alkaline paddy field. The method comprises: 1, selecting a rice variety; 2, selecting rice seeds; 3, rice seed seedling raising; 4, preparing saline-alkali soil; 5, observing and recording the growth conditions of different rice varieties in the light, medium and heavy saline-alkali paddy fields; and 6, calculating and analyzing theoretical yield and composition factors thereof. The invention provides a simpler and more accurate verification method for identifying and screening transgenic or gene-edited saline-alkaline tolerant rice varieties obtained in a laboratory by means of genetic engineering, molecular biology and the like.

The invention discloses a reduction and remediation method for arsenic pollution of rice field soil. The reduction and remediation method comprises the following steps: S1, rice seedling raising; s2, 1-2 weeks before rice transplanting, modified biochar is added into the arsenic-polluted rice field soil to be repaired, and then flooding treatment is conducted; s3, after 1-2 weeks, rice seedlings are transplanted in shallow water, and after rice seedlings turn green in 3-5 days, water strengthening management is conducted; s4, in the early heading stage of the rice, harvesting straw on the upper portion of the rice, separating the straw from the field, ploughing soil, deeply plowing, crushing and irrigating the soil, enabling roots to float on the water surface, and collecting all the roots and separating the roots from the field; s5, the field is leveled, water is drained till the surface layer contains shallow water, and the steps S2 to S4 are repeated. According to the method, the microorganisms are loaded on the biochar and are combined with water to strengthen and manage plant absorption, in the heading stage of the rice, the overground straw and the underground root system which are rich in arsenic are integrally removed and separated from the field, and periodic repeated operation is combined, so that the total amount of arsenic in the soil is substantially reduced.

According to the application of the nano silicon dioxide in relieving rice temperature rise stress, the nano silicon dioxide has a relieving effect on rice growth damage caused by high environment temperature. According to the method, the nano silicon dioxide is used for relieving the temperature rise stress of rice, a new method is provided for crops to cope with the temperature rise stress, the yield loss caused by the temperature rise stress can be remarkably reversed by spraying the nano silicon dioxide on the leaf surfaces in the tillering stage and the jointing stage, and experiments prove that the yield is improved by 34% compared with that of an untreated high-temperature group.

The invention relates to the technical field of soil ecological restoration and farmland cultivation management, in particular to an ecological regulation and control method for synergistically reducing compound obstacles of yellow soil rice-oil rotation cropland. The method is implemented by stages according to agricultural time: S1, mixing crushed straw, a composite functional microbial agent, a decomposed organic fertilizer and a calcium magnesium phosphate fertilizer into 0-15cm before rice transplanting; s2, after the rice is harvested, deep scarification is conducted by 20-25 cm, and a ridge culture structure is constructed; s3, interplanting astragalus sinicus after the ridges are built and before the oilseed rape is sown; s4, after the oilseed rape is harvested, the oilseed rape straw and the astragalus smicus are turned and pressed by 20-25 cm, lime is applied, and high water holding capacity is maintained in a short time; and S5, interannual circulation. Through microorganism-structure-nutrient coupling, thin, plate and sticky yellow soil is relieved synergistically, aggregate and air permeability are improved, root growth is promoted, and stable yield is increased.

According to the suspending agent containing the pydiflumetofen and the meconazole, provided by the invention, the defects of a traditional single bactericide are overcome, and the control effect on various plant diseases is improved. According to the suspending agent disclosed by the invention, a natural biological source substance chitosan oligosaccharide is introduced as a thickening agent, so that the prevention and treatment effect of the agent on the rice sheath blight disease can be improved unexpectedly.

The invention belongs to the technical field of microbial fermentation and biological agriculture, and discloses a soil remediation fungicide as well as a preparation method and application thereof. The preparation method comprises the following steps: activating bacillus megatherium Z101, inoculating the activated bacillus megatherium Z101 into fermentation liquor containing rice straw powder, carrying out fermentation culture, and carrying out vacuum spray drying on fermentation mixed liquor after fermentation is completed, so as to obtain soil remediation bacterium powder; or further mixing the soil remediation bacterium powder with auxiliary materials and water, and granulating to obtain the soil remediation bacterium granules. The application method comprises the following steps: in a rice planting stage, applying the soil remediation fungicide and an inorganic fertilizer together to remedy rice field soil and promote rice growth. The soil remediation fungicide prepared by fermentation culture of the bacillus megatherium Z101 has remarkable advantages in the aspects of rice yield increase, soil pH value increase and physicochemical property improvement, and a new application way is provided for the bacillus megatherium Z101.

The invention relates to the technical field of aquaculture and ecological environment management, and discloses a novel pond ecological circulation culture method which comprises the steps that a pond is divided into four vertical functional areas including an upper-layer floating bed planting area, a middle-layer net cage culture area, a bottom-layer benthic purification area and a microbial conversion area, a water circulation system is arranged in a matched mode, the area needed by pond site selection is 3000-4000 m, and the water depth is 3.0-3.5 m. The water quality is automatically controlled through a sensor containing dissolved oxygen and the like, and the biological monitoring module is automatically controlled through a high-definition camera and an AI to acquire data in real time, trigger oxygenation, move the net cage and the like; mixed feeding of'basal feed and insect protein ', cross-season crop rotation of floating bed crops and batch harvesting of benthic organisms are performed daily, equipment is maintained regularly, and ecological circulating breeding is achieved.

The invention relates to the field of plant growth regulators, in particular to a conditioner group for improving the grain quality and the rice quality of direct seeding rice and a preparation and use method thereof.The preparation method of a conditioner in the initial heading stage comprises the following steps that 1, 6-benayl aminopurine is dissolved in a diluted hydrochloric acid solution in a assisted mode, and a 6-benayl aminopurine solution is obtained; step 2, adding choline chloride into the solution obtained in the step 1, stirring to obtain a mixed solution, transferring the mixed solution into a volumetric flask, and adjusting the pH value; 3, abscisic acid powder is dissolved with absolute ethyl alcohol, volume metering is carried out after dissolution to form a stock solution, and then PH adjustment is carried out. Two conditioners are included and sprayed in the initial heading stage and the full heading stage respectively, glumous flower degeneration can be reduced, the photosynthetic production capacity of the upper three leaves after flowering can be improved, assimilation substances are promoted to be transferred to grains, especially the filling state of vulnerable grains is improved, and the yield of the seedlings is increased. Finally, the grain number, the maturing rate, the grain weight and the yield are improved, meanwhile, the head rice rate of rice can be improved, and the protein content is reduced, so that the palatability of rice is improved.

The invention discloses application of bacillus albordowii in cultivation for improving the flavor of fragrant rice, and relates to the field of fragrant rice cultivation and planting. According to the application, it is found for the first time that bacillus albordowii has the effect of improving flavor substances of fragrant rice, and when fragrant rice seedlings grow to the three-leaf and one-core stage, the roots of the seedlings are soaked with bacillus albordowii liquid; after the seedlings are transplanted to a field, the bacillus albopastoris bacterial liquid is sprayed to the soil at the roots of the seedlings, 24 main aroma components in the fragrant rice can be increased by 5.56%-12036.00%, the content of 2-ethyl-1-hexanol with rose fragrance is increased by 120 times or above, the content of 2-butyl-1-octanol with flower fragrance is increased by 235.71%, the content of 6, 10-dimethyl-(E)-5, 6-dimethyl-2, 6, 6-tetramethyl-1, 3-pentanedione with fruit fragrance is increased by 235.71%, and the content of 6, 10-dimethyl-(E)-5, 6-tetramethyl-1, 3-pentanedione with fruit fragrance is increased by 235.71%. The content of 2, 9-undecylene-2-ketone is increased by 132.50%, the content of limonene, the content of hexanal, the content of 2-heptanone, the content of 2-tridecanone and the content of 2-pentadecanone are increased by 50% or above, and the content of 2-acetyl-1-pyrroline (2-AP) is increased by 30% or above; the application method is more convenient to operate, and the overall flavor of the rice is improved more remarkably.

The invention relates to the technical field of agriculture, in particular to an iron-rich yield-increasing foliar fertilizer for rice as well as a preparation method and an application method of the iron-rich yield-increasing foliar fertilizer. According to the specific technical scheme, the iron-rich yield-increasing leaf fertilizer for the rice is prepared from, by mass, 15%-25% of porous chitosan, 20%-30% of L-malic acid and 45%-55% of ferrous sulfate. The technical problem that in the prior art, the cadmium content of brown rice cannot be reduced while the iron content cannot be increased through a leaf fertilizer is solved.

The invention discloses an application method for realizing rice nitrogen fertilizer substitution by utilizing a photocatalytic nitrogen fixation material in the technical field of agricultural production. The application method comprises the following steps: S1, pretreating and proportioning a catalyst; s2, reaction container deployment and illumination optimization; s3, carrying out photocatalytic reaction and ammonium nitrogen generation; s4, synergistically applying base fertilizer and additional fertilizer; s5, monitoring and feeding back nitrogen utilization efficiency; the performance of the photocatalyst is improved by adopting a surface doping and composite modification technology, atmospheric nitrogen can be stably and efficiently converted into ammonium nitrogen which can be directly absorbed by rice under a complex environmental condition, and the nitrogen conversion rate and the nitrogen supply efficiency are improved; the AI algorithm is combined with the chlorophyll meter, the soil nitrogen sensor and the water ammonia nitrogen concentration data to predict and dynamically adjust the nitrogen demand of the rice in real time; a closed loop of nitrogen fixation-conversion-absorption-recovery is formed through a segmented application strategy of base fertilizer and topdressing in combination with physical and chemical synergism and a biochar improvement technology.

Suppressing methane gas emissions from paddy rice cultivation is extremely important as a measure against global warming. The challenge here is to achieve both improved rice productivity and environmental protection. Specifically, this involves developing a device that can generate large quantities of high-concentration ultrafine bubble (UFB) water in a short time, by adding methane gas emission suppression to the UFB water. [Solution] The UFB generating apparatus of the present invention incorporates a variable-speed rotary stirring device into a UFB generation tank, and this tank is filled with sandy material. By supplying gas and water to this tank at high pressure, the sandy material layer of gas, water, and sandy material is liquefied. By rapidly rotating this liquefied layer with the rotary stirring device, the gas is confined in the pore water of the liquefied layer and then finely fragmented. Furthermore, by using sandy steel slag as the sandy material, in addition to the UFB effect, methane generation due to silica, lime, and iron oxide is suppressed and crop yields are improved.

A cultivation and breeding method for crop rotation of Stropharia rugosoannulata and return of mushroom residue to the field in a rice-fish co-culture system, comprising: constructing fish pits in a paddy field, planting open-field Stropharia rugosoannulata in the paddy field during a winter fallow period of double-season rice, and simultaneously continuing to culture Procypris merus in the fish pits; and after harvesting the Stropharia rugosoannulata, directly returning mushroom residue to the field. In the described method, the rotation of rice and mushroom combined with the return of mushroom residue to the field can reduce rice diseases in the rice-fish co-culture system, decrease the yield-reducing effect of fish on rice, and increase the yields of rice and fish. The co-culture of Procypris merus can alleviate the problem of aggravated rice sheath blight caused by the return of mushroom residue to the field. Moreover, only one-time application of base fertilizer is required, which reduces the complexity and labor intensity of later management.

Provided are a straw returning method through thawing and wet puddling for saline-sodic paddy fields and an application thereof, relating to the technical field of returning straws to fields in saline-sodic paddy fields. According to the disclosure, regional characteristics are fully considered, “thawing” is taken as the core and combined with wet puddling.

The invention discloses a diversified rice planting method in a compound environment based on big data analysis, and particularly relates to the technical field of agricultural information processing. The method comprises the following steps: collecting multi-dimensional monitoring data in a rice planting area, carrying out nonlinear correlation analysis, and extracting interaction characteristics among environment variables; carrying out multi-scale reconstruction analysis in combination with spatial scale difference, and identifying a main influence area of an environment variable; mapping analysis is carried out based on historical rice growth state data and environment variable interaction characteristics, and the comprehensive influence on rice growth is evaluated; analyzing the action time sequence of different environment variables in the rice growth cycle, and extracting the influence weight change rule of the environment variables in each growth stage; according to the method, environmental variable interaction characteristics and influence weight rules are fused, the growth potentials of different rice varieties are evaluated, the planting varieties and planting density of rice are optimized, and precise planting under the multi-variety collaborative adaptation and compound ecological condition of rice is achieved.

The invention relates to the technical field of agriculture, and discloses a rice yield increasing method for no-tillage returning of winter slack weeds and combined application of nitrogenous fertilizer, which comprises the following steps: crushing and tiling the winter slack weeds, and spraying a microbial agent containing signal secretion flora; coating urea with a coating solution containing signal response microorganisms to prepare a slow-release nitrogen fertilizer; slow-release nitrogen fertilizer is applied to a weed layer, and a reaction substrate is formed through shallow layer operation and mixing; matrix moisture is regulated and controlled to conduct signal molecules and activate microorganisms to start release; and transplanting the rice into the substrate, and carrying out whole-growth-period cultivation by utilizing nutrients of the rice. An integrated synergistic reaction matrix is constructed, so that a weed decomposition system and a fertilizer response system are tightly coupled in physical space and mutually promoted in function, a biological signal is provided for fertilizer release in the weed decomposition process, and a decomposition product can be used as a carbon source of microorganisms in a slow-release shell; metabolite of microorganisms can reversely promote decomposition of weeds, and the resource efficiency of weed returning and the overall efficiency of the system are improved.

The invention discloses bacillus tequilensis and application thereof, and belongs to the technical field of biology. The preservation number of the bacillus tequilensis is CCTCC (China Center For Type Culture Collection) NO: M 20251909, and the bacillus tequilensis has a remarkable inhibition effect on rice sheath blight disease pathogenic bacteria (Rhizoctonia solani). An in-vitro confrontation culture and potting verification method is adopted to prove that the strain can inhibit the growth of germs, and a plate confrontation experiment shows that the hypha growth inhibition rate of the strain to YM-Q-7 reaches 70.36%. The bacterial suspension (1 * 10 < 8 > CFU / ml) of the strain is used for performing root irrigation treatment on potted rice, the prevention and treatment effect reaches 28.85%, and a good application prospect is provided for prevention and treatment of rice sheath blight disease.

The invention belongs to the technical field of agricultural seedling raising, and relates to a light supplementing device for a rice three-dimensional seedling raising smart factory, the light supplementing device comprises a support and a light supplementing assembly arranged on the support, and a light adjusting assembly is in signal connection with the light supplementing assembly and is used for controlling the illumination intensity of the light supplementing assembly; the driving device is connected with the support and used for driving the support to rotate to change the illumination radiation range of the light supplementing assembly. The monitoring assembly obtains illumination intensity and a seedling picture; the controller is in signal connection with the dimming assembly, the monitoring assembly and the driving device. The controller drives the driving device according to a preset time sequence; the controller synchronously receives the illumination intensity and the pictures of the seedlings sent by the monitoring assembly, determines the growth stages of the seedlings based on the pictures of the seedlings, records the data of the growth stages and the illumination intensity of the seedlings according to a time sequence, compares the data with preset parameters, determines a light supplementing difference, and sends a light supplementing control instruction to the light adjusting assembly based on the light supplementing difference. The automatic level of light supplement can be improved, and the growth quality of seedlings is guaranteed.