14results about How to "Improve germination index" patented technology

The invention relates to the technical field of fertilizer preparation, in particular to traditional Chinese medicine residue and mushroom dreg compound fermented fertilizer as well as a preparation method and application thereof. The preparation method of the traditional Chinese medicine residue and fungus residue compound fermented fertilizer comprises the following steps: (1) crushing pleurotus eryngii fungus residues, perilla leaf traditional Chinese medicine residues and cow dung, and mixing to obtain a material 1; and (2) adjusting the carbon nitrogen ratio and the water content of the material 1, and then fermenting. The fermented fertilizer provided by the invention can significantly influence the growth of potted tobacco, soil characteristics and microbial communities, and provides a theoretical basis and practical guidance for optimizing tobacco cultivation and fungus residue utilization.

The present invention discloses a strain of Pseudocanthomonas NJAU‑273, which is classified and named as Pseudocanthomonas Pseudoxanthomonas sp., deposited in the General Microbiology Center of China Microorganism Culture Collection Committee, with a deposit date of March 25, 2024 and a deposit number of CGMCC No.30114. The present invention discloses its application in straw composting. The present invention also discloses the microbial agent prepared by the present invention and the application of the microbial agent in straw composting. Compared with the treatment without inoculation of microbial agent, the treatment with inoculation of NJAU‑273 microbial agent effectively promotes the increase of the temperature of the compost pile, accelerates the composting process, improves the germination index of the compost product, and increases the total nutrients of the compost product.

The present invention discloses a composite bacterial agent, including Bacillus NJAU‑190 and Pseudoxanthomonas NJAU‑273. The present invention also discloses its application in straw composting. Bacillus NJAU‑190 helps to increase the temperature in the early stage of composting, and Pseudoxanthomonas NJAU‑273 helps to increase the temperature in the later stage of composting. Compounding the two strains can promote the temperature rise of the entire composting cycle, improve the composting efficiency and improve the composting conversion rate. Compared with the treatment without inoculation of bacterial agent, the treatment with inoculation of NJAU‑190+NJAU‑273 composite bacterial agent effectively promotes the increase of the temperature of the compost pile, accelerates the composting process, significantly improves the germination index of the compost product, and significantly increases the total nutrients of the compost product. Compared with the treatment with inoculation of NJAU‑190 bacterial agent or NJAU‑273 bacterial agent, the treatment with inoculation of NJAU‑190+NJAU‑273 composite bacterial agent also significantly increases the total nutrients of the compost product.

This invention discloses a method for producing crop cultivation substrate using sugarcane filter mud and sugarcane pith as main raw materials, comprising the following steps: (1) dissolving and diluting 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid in water to obtain a solution; (2) mixing sugarcane slurry, sugarcane pith, the 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid solution, fermentation agent, and improver, adjusting the moisture content, and then composting and fermenting. The compost is turned over every few days and continuously composted and fermented for several days to obtain the crop cultivation substrate. The crop cultivation substrate produced by this invention is of excellent quality, allowing direct planting of plants without root burn. Therefore, this invention, using sugarcane filter mud and sugarcane pith as main raw materials to prepare and produce crop cultivation substrate, can effectively solve the problem of comprehensive utilization of sugarcane filter mud and improve product sales.

The invention provides a magnesium-doped carbon dot and application thereof and a method for promoting tobacco seed germination, and the preparation method of the magnesium-doped carbon dot comprises the following steps: 1) mixing tobacco powder and reduced glutathione according to a mass ratio of 1: (1.5-4), dissolving in formamide, and carrying out ultrasonic dispersion to obtain a reaction solution A; dissolving magnesium hydroxide with the mass being 1.2-1.4 times that of the tobacco powder in formamide, performing ultrasonic dispersion to obtain a reaction solution B, uniformly mixing the reaction solution B with the reaction solution A, and putting the mixture into a high-pressure reaction kettle for reaction; and 2) after the reaction is finished, cooling, carrying out suction filtration, transferring the obtained filtrate into a dialysis bag, and freeze-drying the dialyzed solution to obtain the magnesium-doped carbon dots. The invention belongs to the technical field of biological agriculture, and provides a magnesium-doped carbon dot which can effectively promote germination of tobacco seeds and is favorable for improving the cultivation level of strong seedlings.

The present invention discloses a method for repairing soil contaminated by electrolytic manganese slag by inoculating white rot fungi, comprising the following steps: mixing biomass and soil contaminated by electrolytic manganese slag to obtain compost raw materials; inoculating white rot fungi in the compost raw materials to obtain a pile; composting and fermenting the pile to obtain compost mature material, thereby completing the repair of soil contaminated by electrolytic manganese slag. The present invention effectively reduces the leaching amount of heavy metal manganese by inoculating white rot fungi, effectively reduces the mobility and bioavailability of heavy metal manganese, effectively changes the structure of microbial communities, increases the number and diversity of microorganisms, improves the seed germination index, and realizes the repair of soil in contaminated sites. It has the advantages of quickly starting composting repair, effectively reducing the leaching amount of heavy metal manganese, reducing the mobility and bioavailability of heavy metal manganese, increasing microbial diversity and community abundance, and improving the seed germination index.

The invention belongs to the technical field of agriculture, and particularly relates to application of copper-doped carbon quantum dots in improvement of crop seed and seedling stage salt tolerance. Research finds that after crop seeds are treated by using the copper-doped carbon quantum dots, the germination rate, the germination index and the germination potential of the seeds under salt stress can be obviously improved; after the copper-doped carbon quantum dots are used for treatment in the crop seedling stage, the fresh weight of the overground part and the underground part of the crop can be obviously improved under salt stress. In addition, after the crops are treated by the copper-doped carbon quantum dots in the seedling stage, the chlorophyll content and the oxidation resistance of the crops can be obviously improved.

The invention discloses a method for improving seed germination under a salt stress condition and application thereof, and belongs to the technical field of crop production. According to the method provided by the invention, the germination ability of the seeds under the salt stress condition can be remarkably improved, the germination rate, germination potential and germination index of the watermelon seeds and the muskmelon seeds under the salt stress condition simulated by 250mM NaCl can be remarkably improved by soaking the seeds with 10 mu M methyl caffeate, and the germination of the watermelon seeds and the muskmelon seeds under the normal condition is not influenced; seedlings generated by the seeds treated by the method provided by the invention grow robustly, and compared with seedlings grown under normal conditions, obvious abnormity is not observed, so that the method provided by the invention is safe and has no toxic effect on plant growth; the provided method is simple, effective and low in cost, and can be used for improving the seed germination capacity under the salt stress condition so as to improve the utilization capacity of the saline-alkali soil and improve the crop yield and quality contribution of the saline-alkali soil.

The invention discloses a foliage spraying method for improving the richness of hybrid rice seeds, which creatively discovers for the first time that the richness of the rice seeds can be effectively improved through foliage spraying of S-abscisic acid, GA3 and salicylic acid in a poplar flowering period of rice seed production, so that the germination rate, the germination index and the vitality index of the seeds are improved, and the germination rate, the germination index and the vitality index of the seeds are improved. The invention provides a brand-new foliar spraying method for efficiently improving the richness of the hybrid rice seeds for the field, and the method not only can effectively improve the richness of the rice seeds, but also has the advantages of high efficiency, short period, low cost, simplicity in operation and the like, and has a wide application prospect in the technical field of hybrid rice breeding.

This invention relates to a bio-fertilizer based on mushroom residue and tailings, its segmented inoculation preparation method, and its application. Mushroom residue-degrading bacteria are isolated from a tea tree mushroom residue dump, and the resulting bacterial solution is mixed with tea tree mushroom residue and water for a first-stage fermentation at 45-60℃. Tailings-decomposing bacteria are isolated from a granite tailings dump, and the resulting bacterial solution is rejuvenated. The first-stage fermentation material is cooled to 30-45℃, and then granite tailings and the tailings-decomposing bacterial solution are added, followed by a second-stage fermentation at this temperature, ultimately yielding the bio-fertilizer. This invention addresses the differences in temperature tolerance among different bacterial strains by developing a specialized segmented inoculation process. The resulting bio-fertilizer possesses multiple benefits, including improving soil physicochemical properties, supplementing soil micronutrients, and enhancing crop resistance. It solves the problem of synergistic resource utilization of tea tree mushroom residue and granite tailings, forming a closed-loop circular economy of agricultural waste – mining waste – bio-fertilizer – green agriculture.

This invention discloses a method for preparing functional compost, belonging to the field of agricultural waste resource utilization and grassland ecological restoration technology. The key technical points include: mixing fresh sheep manure, wheat straw, and corn straw at a specific wet weight ratio and adding superphosphate to obtain a basic mixture; inoculating this mixture with a compound microbial fermentation agent composed of *Bacillus steatophilus*, *Bacillus subtilis*, and *Bacillus mucilaginosus* at a specific viable count ratio to obtain an inoculum; subjecting the inoculum to aerobic composting fermentation and implementing dynamic turning control based on dual temperature thresholds to maintain the compost within a specific high-temperature range for a sufficient number of days; and finally, aging the material until its seed germination index reaches a specific range to obtain functional compost. The functional compost prepared by this method is mainly used for restoring degraded grazing grasslands.

This invention discloses a dry heat treatment method for tomato seeds to enhance seed vigor and extend storage life, relating to the field of tomato seed storage technology. The method includes: selecting mature, plump, and undamaged commercial tomato seeds with consistent maturity and maintaining appropriate moisture content; placing the pre-treated seeds in a single layer on a tray and placing it in a dry heat treatment device, performing dry heat treatment sequentially according to a preset program; comparing the germination indicators of dry heat-treated and untreated seeds to determine the effect of the dry heat treatment; and sealing and storing tomato seeds with qualified germination rates. This invention, through precisely controlled stepwise heating and high-temperature constant-temperature sterilization, effectively activates the seed's internal repair enzyme system while inhibiting metabolic processes that lead to seed deterioration, avoiding physical or physiological damage to the seeds caused by high-temperature treatment, and effectively preventing seed coat cracking, radicle burn, or excessive dehydration.

This invention discloses a method for treating livestock and poultry manure through composting, which can significantly improve the seed germination index. This method effectively increases the seed germination index. After a secondary aerobic treatment in a composting tank for 5 to 10 days, the seed germination index is significantly improved. Experiments have verified that it can increase by more than 50% compared to the untreated state, meeting or even exceeding the requirements of organic fertilizer industry standards for seed germination index. The aerobic treatment method used in this invention requires no chemical reagents, utilizing only a natural aerobic fermentation process, thus avoiding the potential harm of chemical residues to the soil and environment, and aligning with the concept of green and environmentally friendly agricultural development.

The invention provides a cucumber seed coating agent, a preparation method and application, and belongs to the technical field of crop seed coating agents. The cucumber seed coating agent comprises the following active ingredients in percentage by weight: 0.3%-0.5% of sodium hypochlorite, 0.006%-0.01% of chlormequat chloride, 0.012%-0.018% of boric acid and inactive ingredients. Cucumber seeds are coated through the combination of sodium hypochlorite, chlormequat chloride and boric acid, germination of the cucumber seeds can be promoted, the germination rate and germination potential of the cucumber seeds can be improved, the leaf area and chlorophyll content of cucumber seedlings can be increased, excessive growth of the seedlings can be inhibited, and strong seedlings can be cultivated.