40results about How to "Improve growth indicators" patented technology

The invention discloses an artificial substratum for hole-tray tomato seedling cultivation, which belongs to the technical field of soilless culture. The artificial substratum takes biogas dregs as a fertilizer source, and the fermentation raw material of the biogas dregs is chicken manure or pig manure; when the fermentation raw material of the biogas dregs is the chicken manure, the artificial substratum comprises the following components in mass percentage: 9 to 11 percent of biogas dregs, 39 to 41 percent of grass carbon, 39 to 41 percent of vermiculite and 9 to 11 percent of pearlite; and when the fermentation raw material of the biogas dregs is the pig manure, the artificial substratum comprises the following components in mass percentage: 19 to 21 percent of biogas dregs, 39 to 41 percent of grass carbon, 29 to 31 percent of vermiculite and 9 to 11 percent of pearlite. The biogas dregs in the formula of the artificial substratum of the invention can improve a growth indicator of tomato seedlings and reduce the accumulation of nitride in the plant bodies to a certain degree, so that the equality is improved; and the use of the biogas dregs reduces the used amount of the grass carbon, so that the production cost of the artificial substratum and the seedlings is reduced.

The invention belongs to the technical field of bio-fertilizer and saline-alkali soil improvement. The invention discloses a bio-fertilizer for improving moderate-severe saline-alkali soil as well asa preparation method and application thereof. According to the invention, the bio-fertilizer is prepared by mainly adding mainly a compound microbial agent of a specific salt-tolerant strain, a mixedorganic fertilizer, wormcast, a water-retaining agent, a nitrogen fertilizer and a calcium fertilizer; the problems of low survival efficiency, short action time and low crop growth of strains in saline-alkali soil with the salt content of 0.6% or above are solved, and the salt content of moderate-severe saline-alkali soil is reduced, organic matters are increased and crop growth is improved. Theproduct is mainly salt-tolerant nutritional strains and metabolites thereof, has the characteristics of strong strain activity, long lasting action time, soil fertility improvement, soil aggregate structure increase and crop growth promotion, and improves the salt conversion and fertility improvement in the soil through the strain propagation effect, thereby finally realizing the crop yield increase.

The invention relates to a microbial soil remediation agent for saline-alkali land, belonging to the technical field of remediation agents. A preparation method for the microbial soil remediation agent comprises the following steps: preparation of desulfurized gypsum composite bacterial powder; preparation of organic fertilizer; preparation of a composite biological bacterial ameliorant; uniform mixing of the above three substances according to a weight ratio of (45-60): (15-40): (15-25); and fermentation and drying so as to obtain the microbial soil remediation agent. According to the invention, mediums are respectively inoculated with a plurality of bacterial strains, and the bacterial strains are cultured in an incubator until the bacterial strains are mature; then a nutrient solution is inoculated with the bacterial strains, and shake cultivation is carried out; then secondary fermentation is carried out in a fermentation tank; the bacterial strains eventually obtained after fermentation undergo adsorption by a carrier so as to obtain a mixed microbial agent; then desulfurized gypsum powder is added, fermentation is carried out, and adsorption via a solid substrate is carried out so as to obtain the desulfurized gypsum composite bacterial powder; the organic fertilizer and the composite biological bacterial ameliorant are added, and uniform mixing under stirring is carriedout; natural fermentation and drying are successively carried out to obtain the microbial soil remediation agent for saline-alkali land; and after application of the microbial soil remediation agent,the growth indicators of soil and crops can be greatly improved and crop yield is increased.

The invention discloses a Saccharomyces cerevisiae strain for solid fermentation, named Saccharomyces cerevisiae BLNJ03 and preserved in China Center for Type Culture Collection under CCTCC NO: M2015209. The invention further discloses a solid fermentation cultivation method of the Saccharomyces cerevisiae and application of its solid fermentation substrates. The Saccharomyces cerevisiae has advantages such as high biomass and genetic stability; in solid fermentation, metabolites of the Saccharomyces cerevisiae such as amino acids and organic acids have a higher yield than solid fermentation substrates of other Saccharomycetes. By applying the solid fermentation substrates of the Saccharomyces cerevisiae BLNJ03, growth index, digestion index and immunity index can be significantly increased; the Saccharomyces cerevisiae can be applied to dairy cows to increase the milking yield; the Saccharomyces cerevisiae can be applied to beefs and mutton sheep to increase their productivities.

The invention relates to a novel biological floc. The biological floc includes microalgae aggregates and commensalism heterotrophic bacteria, and the commensalism heterotrophic bacteria are Pesudomonas sp. and Bacillus sp. The biological floc significantly improves the water quality of the nursing pond of the litopenaeus vannamei, improves the survival rate, growth index and immunity of the litopenaeus vannamei, reduces the application amount of compound feed and external carbon sources, and reduces the aeration intensity and quantity of exchanged water.

The invention discloses a water quality modifier for aquiculture, and belongs to the technical field of aquiculture. The water quality modifier comprises the following substances in parts by weight: 0.4-0.6 part of photosynthetic bacteria, 0.1-0.3 part of nitrifying bacteria, 0.2-0.4 part of sulfurizing bacteria, 0.1-0.3 part of bacillus natto, 0.4-0.6 part of yeast, 0.1-0.3 part of denitrifying bacteria, 0.1-0.3 part of actinomycetes and 1-3 parts of traditional Chinese medicines. The water quality modifier for aquiculture comprises the microbial agents and the pure traditional Chinese medicines, has no pollution to the environment, can increase growth indexes of water products, improve environments of aquiculture water bodies and increase disease resistance of aquatic products, and is suitable for popularization and application.

The invention relates to the technical field of improver and particularly relates to a microbial improver for saline-alkaline land. The microbial improver is prepared by the following steps: preparinghigh-sulfur composite microbial powder; preparing an organic additive; preparing a medium trace element additive; mixing the high-sulfur composite microbial powder, the organic additive and the medium trace element additive in a weight ratio of (45 to 60) to (15 to 40) to (15 to 25), and stirring uniformly to obtain the microbial improver for saline-alkaline land. According to the microbial improver provided by the invention, a culture medium is broadly inoculated with a plurality of strains are broadly connected to a culture medium, and performing culturing is performed to maturity in an incubator to obtain mixed microbial liquid; then, high-sulfur coal gangue powder subjected to grinding, screening and ultrasonic treatment is mixed with the mixed microbial liquid, and the mixture is fermented to obtain high-sulfur coal gangue composite microbial liquid; then, a solid fermentation substrate is inoculatinged with the composite microbial liquid to a solid fermentation substrate, and performing fermenting, drying and grinding are performed to obtain the high-sulfur composite microbial powder. The high-sulfur composite microbial powder, the organic additive and the medium trace element additive are mixed proportionally and stirred uniformly to obtain the microbial improver for saline-alkaline land; after application, the crop growth index can be remarkably improved, and the cropyield is increased.

The invention relates to a method for planting semi-artificial grass, especially a method for leaking bean grass into the salinisation grass in north. The invention uses bean grass to improve the natural grass of dry area, especially using the rice-bean mixed plantation method. The invention can select the sowing time via the character of bean grass, the rain distribution, the salt change and the seed growth, and use management to reduce the competition between weak kinds, to accelerate the growth of seed. The invention has low cost, while it can improve the yield.

The invention provides a screening method of salt-tolerant growth-promoting rhizosphere bacteria, a strain and application of the strain. The screening method comprises the following steps: collecting soil attached to the surfaces of root systems of different types of saline-alkali soil plants as a separation source; diluting the obtained separation source, respectively placing the diluted separation source in LB solid culture media with different salinity concentrations for coating culture, and selecting monoclonal bacteria; carrying out secondary screening on the obtained multiple primary screening rhizosphere bacterial colonies to obtain rhizosphere bacterial single colonies; carrying out bacterial identification on the bacterial colonies to obtain various strains of different types; performing a germination rate test on multiple different types of bacteria, and screening out strains capable of improving the germination rate of the seeds; carrying out further salt tolerance screening on the screened strains, and selecting strains with good salt tolerance; and carrying out growth-promoting function screening on the strains with good salt tolerance, and finally screening out the strains with the growth-promoting function. According to the method, the salt-tolerant rhizosphere growth-promoting bacteria are screened out from the soil attached to the surfaces of the plant root systems of the saline-alkali soil, and the growth condition of crops in the saline-alkali soil can be improved.

The invention belongs to the technical field of a fertilizer, and more specifically relates to a biological organic fertilizer having slow release effect and a mineral element supplement function, and the biological organic fertilizer is prepared by poultry manure and attapulgite ore. The attapulgite can use own surface activity, adsorptivity, catalysis performance, filtering effect, ion exchange effect, complexation effect and electrostatic interaction, a soil pH value can be adjusted by two items, and the attapulgite can provides appropriate growth environment for crops. The attapulgite can change physical and chemical properties of the soil, reduces soil unit weight, promotes formation of a soil gel state, enhances soil permeability, absorbs harmful heavy metals in the soil, and inhibits insect disease; beneficial elements in the soil can be converted through chelating effect, nutrition balance is reached, crop growth is cooperated, output is increased, and agricultural product quality is improved. Under a same application amount of the fertilizer, the growth index of crops planted by the attapulgite-based mineral slow-release fertilizer is obviously higher than that of the crops planted by common fertilizers, and yield is increased by more than 17%.

The invention discloses a method for regulating activity of a soil matrix enzyme with Bacillus thuringiensis fermentation liquid, which comprises the following steps: adding 30g of lawn soil into 6.5cm culture dishes, respectively adding 150mul compost microbial fermentation filtrates of different concentrations into the soil, adding an aseptic liquid culture medium into a control group, uniformly spreading 50 full Festuca arundinacea seeds in each culture dish, planting at room temperature, and measuring indicators after seed germination. Experimental results show that after the Bacillus thuringiensis fermentation liquid is added into the lawn soil matrix, the activity of the soil matrix enzyme can be significantly improved, meanwhile, the stress resistance of lawn plants is enhanced, and the growth of lawn plants is promoted.

The invention belongs to the technical field of plant protection experiments, and particularly relates to an evaluation and analysis method for preventing and controlling fusarium verticillioides of corn by chitin-reinforced trichoderma. The method comprises the following steps: performing inoculation treatment on fusarium verticillioides samples under a sterile condition; performing inoculation treatment on trichoderma and fusarium verticillioides samples under aseptic conditions and trichoderma and fusarium verticillioides samples under natural conditions; quantitatively analyzing the quantity of fungi; performing soil culture of corn seedlings; performing inoculation treatment of fungal spores; and determining and analyzing the enzyme activity of soil. The method has guiding significance in applying chitin and trichoderma to prevent and control corn germs.

The invention discloses a high-efficiency slow-release fertilizer for soybeans. The fertilizer is prepared from, by weight, 3-6 parts of acetylcholinesterase, 2-5 parts of alkaloid, 10-16 parts of soybean plant extract, 4-6 parts of rhizobium inoculant, 4-6 parts of bacillus subtilis, 3-7 parts of urease, 3-6 parts of o-phenylphosphoryl diamine, 35-45 parts of urea, 35-45 parts of monoammonium phosphate, 30-45 parts of potassium chloride, 15-22 parts of calcium superphosphate, 5-15 parts of magnesium sulfate, 0.1-1 part of manganese sulfate, 0.1-1 part of copper sulfate, 5-15 parts of borax, 10-15 parts of ferrous sulfate and 5-10 parts of binder. The soybean plant extract is composed of a stem extract and a root extract, and the weight ratio of the stem extract to the root extract is 5:1-8:1.

The invention discloses a seed processing method capable of improving the emergence rate of direct seeding early rice under low temperature stress. The processing method comprises the following steps: step A, preparing a priming agent: determining the using amount of the priming agent according to the ratio of the seed amount/rice seed weight to the volume of the priming agent; step B, selecting species: choosing the double cropping rice in central China; step C, soaking seeds: soaking seeds in the priming liquid, and carrying out priming under a dark condition; step D, drying seeds: filling the soaked seeds on a nylon net bag, washing the seeds by tap water, draining the water, placing the seeds in a drying oven, drying the seeds, and then storing the dried rice seeds in a refrigerator; step E, preparing the soil: preparing the soil through dry tillage, dry preparation, rotary tillage, and rake leveling for dry direct seeding; step F, sowing: carrying out sowing through dry direct seeding by machines. The operation is simple and convenient; the method is suitable for dry direct seeding and wet direct seeding; the germination force, germination rate, and seedling quality of direct seeding early rice seeds under a low temperature condition are prominently improved; the stress resistance of paddy rice seedling is enhanced, and solved is the problem that first-sowing full stand of direct seeding early rice is difficult.

The invention discloses a pelletization formula and a processing method of brassica campestris seeds. The pelletization formula comprises an adhesive, an inert additive, an initiator, an insecticide and a coloring agent. The adhesive is added in the form of an adhesive aqueous solution with the percentage of 0.5%-8%, and preferably, a polyvinyl alcohol solution with the concentration of 4.5% is adopted; and the inert additive is one or more of talcum powder, bentonite and kaolin, and preferably, the inert additive is talcum powder. In addition, an initiator Vc, an insecticide matrine and a coloring agent iron oxide yellow are added. The used materials are environment-friendly and safe, and the germination potential, the germination rate, the yield and the quality of the pelletized seeds are improved.

The invention relates to the technical field of modifiers, particularly to a preparation method of a biological saline-alkali soil modifier for saline-alkali soil. The preparation method comprises: preparing a mixing bacterial agent; preparing an organic regulator; preparing an additive; mixing the mixing bacterial agent, the organic regulator and the additive according to a weight ratio of 45-60:15-40:15-25, and uniformly stirring; and fermenting for 5-7 days at a temperature of 30-33 DEG C, and drying until the water content is less than 30% so as to obtain the biological saline-alkali soilmodifier. According to the present invention, a variety of strains are respectively subjected to amplification inoculation on a culture medium, and are cultured in an incubator to achieve a mature state, the obtained strains are inoculated into a culture liquid, shaking culture is performed, two-stage fermentation is performed in fermentation tanks, the bacteria obtained by the fermentation are adsorbed by carriers to obtain the mixing bacterial agent, the mixing bacterial agent, the organic regulator and the additive are mixing according to a certain weight ratio, and are uniformly stirred, fermentation is performed, and drying is performed to obtain the biological saline-alkali soil modifier; and after the biological saline-alkali soil modifier is applied, the growth indexes of crops canbe substantially improved, and the yield of crops can be increased.

The invention discloses a composite preparation for promoting the growth of codonopsis pilosula as well as a preparation method and application thereof, belongs to the technical field of microbial agricultural application, particularly relates to the technical field of composite microbial agents, and aims to overcome the defects of weak growth vigor, poor stress resistance, low yield and low planting benefit of codonopsis pilosula in the prior art due to continuous cropping. The composite preparation (namely the composite microbial agent) for promoting the growth of codonopsis pilosula comprises Trichoderma Longibrachiatum, wherein the preservation number is CGMCC NO: 19916; a nitric oxide exogenous additive SNP, and hydrogen peroxide H2O2. The composite microbial agent can obviously influence the growth and metabolism process of codonopsis pilosula, especially can synergistically improve the growth condition of codonopsis pilosula, promote the increase of chlorophyll and sugar contentof codonopsis pilosula, and enhance the stress resistance and root activity of codonopsis pilosula, and has important meanings for improving the quality and yield of codonopsis pilosula and improvingthe planting benefit.

The invention discloses a Chinese herbal medicine feed additive for resisting nitrite nitrogen stress for penaeus vannamei. The Chinese herbal medicine feed additive is prepared from radix asparagi, fiveleaf gynostemma herb and liquorice. Therefore, a corresponding preparation method is also established, namely the radix asparagi decoction pieces are extracted by using ethanol in an alkaline environment, the extracting solution is concentrated under reduced pressure for later use, then a certain amount of gynostemma pentaphyllum powder, licorice root powder and food-grade ethanol are gradually added, and the mixture is uniformly stirred, dried, crushed and sieved by eight sieves. The obtained Chinese herbal medicine feed additive has the characteristics of being pure natural, easy to prepare, low in toxicity, low in cost, high in effective component content and the like, has the effects of adjusting the immunity of the penaeus vannamei, resisting nitrite nitrogen stress and promoting growth, effectively improves the anti-stress capability and growth indexes of the penaeus vannamei, is relatively small in side effect, can effectively avoid drug resistance generated by pathogens, and has a good application prospect. The feed additive is a natural and green feed additive.