72results about How to "Reduce fertilizer efficiency" patented technology

The invention relates to a medical fertilizer and a method for making the same. The medical fertilizer has granular shape and consists of a kernel body and at least one lagging cover, wherein, the kernel body is granular substance and the lagging cover is powder or liquid. The medical fertilizer and the method for making the same ensure that the farm chemical and the fertilizer can sufficiently work and various effective compositions are not affected; the particles such as urea are taken as kernel part and the powder or liquid farm chemical or the fertilizer, etc. are used to produce the medical fertilizer in a lagging cover way.

The invention relates to a method for producing defluorinated ammonium phosphate and belongs to the technical field of chemical production. In the method, a fluosilicic acid in a wet-process phosphoric acid is made to generate potassium (or sodium) fluosilicate precipitate in a mode of adding soluble potassium (or sodium) salt, potassium (or sodium) fluosilicate is a by-product after the potassium (or sodium) fluosilicate precipitate is separated, the defluorinated wet-process phosphoric acid is subjected to neutralization reaction with gas ammonia, and a neutralized slurry is prepared into the defluorinated ammonium phosphate by the steps of concentrating, drying, packaging and the like. The method for producing the defluorinated ammonium phosphate is mainly used in the field of fertilizer production.

The invention provides a method for producing a biological organic fertilizer from Avermectins waste slag. The method comprises the following steps: respectively carrying out independent fermentation production on Bacillus subtilis, Bacillus megaterium and Bacillus mucilaginosus; respectively adsorbing the fermented bacterium liquids with rice hull powder; mixing the three adsorbed single microbial inoculums according to a mass ratio of (0.1-8):(0.1-4):(0.1-4), and crushing to obtain a compound microbial inoculum; and treating waste slag obtained in the Avermectins production process, and adding the compound microbial inoculum which accounts for 2-15% of the total weight to the waste slag, thus obtaining the required biological organic fertilizer. The method has a simple production process, is beneficial to the large-scale production, and provides a way for the recycling of Avermectins waste slag.

The invention provides a method for producing a bio-organic fertilizer by performing spraying granulation. The method comprises the following steps of: preparing a solid inoculant; granulating a lignin waste liquor into organic granules; compounding the organic granules with solid powder, wherein a powdery inoculant is added in an amount of 5-15 percent by weight based on the total weight of a finished compound microbial fertilizer; and mixing, granulating and drying under the condition that the material temperature in a drying barrel is not higher than 80 DEG C. In the invention, a new path is opened, the convection is broken, a production method of the granular bio-organic fertilizer is partitioned into an organic granule granulating step and an organic granule coating step, a certain viable count in the bio-organic fertilizer is ensured simultaneously, breakthrough of the bio-organic fertilizer product from powdery and disc-drum granulation to a spraying granulation process is realized, and foundations are laid for enhancing the commodity, effectiveness and area popularization of the bio-organic fertilizer.

The invention belongs to the technical field of a paddy planting fertilizer and specifically relates to a selenium-rich cadmium-reducing leaf fertilizer special for paddy. The selenium-rich cadmium-reducing leaf fertilizer special for paddy is composed of citric acid monohydrate, sodium selenite, urea, potassium chloride, monopotassium phosphate, soluble microelement compound, momordica grosvenori and herb of alligator alternanthera. The leaf fertilizer can increase the absorbing conversion rate of the paddy for selenium, has an excellent cadmium-impeding performance, is rich in nutrition and is easily absorbed. After the fertilizer is applied to the paddy, the selenium-rich cadmium-reducing efficiency of the leaf fertilizer is higher, the effect is stable and the yield of the paddy is high.

The invention relates to the technical field of myrica rubra planting, in particular to a myrica rubra dongkui planting method. The myrica rubra dongkui planting method is characterized by comprising the following steps of planting, wherein planting and fertilization are carried out from the last ten days of February to the middle ten days of March, and 38-42 strains are planted per mu; application of special fertilizer, wherein the special fertilizer of 200-300 g is applied for saplings once between September and October, the special fertilizer is applied once in June of the next year and January of the third year, and the special fertilizer is applied three times in the whole year from the fourth year after fruitage; pruning, wherein the position 60-70 cm high of a trunk is cut back after planting, three to four buds which are distributed evenly are selected as main branches, the interval between the main branches is kept 15-20 cm, the opening angle is 45-60 degrees, the crown is pressed, and the crown keeps from 2.8 meters to 3.2 meters; pest control and prevention. The density is reasonable, management and fertilization are reasonable, the fertilizer nutrients are comprehensive, the capacity of providing the fertilizer is high, the soil property can be improved, and therefore the myrica rubra dongkui is high in stress resistance and yield.

The invention provides a method for producing a compound microbial fertilizer with insecticidal effect, comprising the following steps: preparing liquid microbial agent; adding waste abamectin liquid to inorganic fertilizer, and granulating the inorganic fertilizer into granular organic fertilizer; compounding the granular organic fertilizer and the liquid microbial agent which is 0.5-1.5 percent of the weight of the finished product of the compound microbial fertilizer; and airing or drying. The invention breaks the normal method for producing the compound microbial fertilizer and provides a novel method for producing the granular compound microbial fertilizer by granulating the inorganic fertilizer into the organic fertilizer and coating the liquid microbial agent by the granular organic fertilizer. The powdery compound microbial fertilizer is replaced by the granular compound microbial fertilizer, and the granular compound microbial fertilizer has a certain activity, thus a good foundation is laid for popularizing the granular compound microbial fertilizer on a large scale. The invention also provides a method for recycling the waste abamectin liquid.

The invention relates to a biochar-based organic pesticide fertilizer containing thiamethanide. The biochar-based organic pesticide fertilizer is prepared from the following raw materials in percentage by weight: 10% to 80% of biochar, 0.01% to 20% of thiamethanide, 10% to 30% of compound amino acid, 1% to 20% of adhesive, and the balance of filler. The biochar-based organic pesticide fertilizer has the advantages that the effects of fertilizer and pesticide are lasting, the safety in use is realized, the time is shortened, and the labor intensity is decreased.

The invention provides a production method of microbial inoculum and the method contains the fermentation and adsorption of the strain. The method comprises the following steps: utilizing treated hydrolysis residue as a bacterium solution adsorption medium to absorb the fermented bacterium solution of one or more of Bacillus subtilis, Bacillus megaterium and Bacillus mucilaginous krassilm, wherein the weight ratio of the bacterium solution to the hydrolysis residue is 0.3:(2-4); and then mixing and crushing, thus obtaining the microbial inoculum. The invention provides a new powdery microbial inoculum adsorption carrier, and the carrier contains various nutrients for microbial growth, is favorable for microbial proliferation and growth and is environmentally-friendly and low in price.

The invention provides a method for producing a compound microbial fertilizer with a microbial inoculum permeation and adsorption method. The method comprises the following steps of: preparing a liquid microbial inoculum; preparing a lignin black liquor into organic granules by performing spraying granulation; and compounding the organic granules with a liquid compound microbial inoculum, whereinthe l inoculum; preparing a lignin black liquor into organic granules by performing spraying granulation; and compounding the organic granules with a liquid compound microbial inoculum is added in anamount of 0.5-1.5 percent by weight based on the total weight of a finished compound microbial fertilizer. Production of the compound microbial fertilizer is completed with a method for making a bacterial liquid permeate into the organic granules, and the technical requirements of a product can be met without drying. In the invention, a new path is opened, the convection is broken, a production method of a granular compound microbial fertilizer is partitioned into an organic granule granulating step and an organic granule coating step, a certain viable count in the compound microbial fertilizer is ensured simultaneously, breakthrough of a compound microbial fertilizer product from powdery granules to spraying granulation granules is realized, and foundations are laid for large-scale popularization of the compound microbial fertilizer.

The invention belongs to the field of agricultural cultivation and particularly relates to a sesbania seed treatment method. The method comprises the following steps of: (1) selecting and soaking plump and uniform sesbania seeds without diseases or pests into 3% hydrogen peroxide for treatment for 20min, (2) cleaning, airing and soaking the sesbania seeds in concentrated sulfuric acid for treatment for 20min, after soaking, immediately pouring off concentrated sulfuric acid, flushing the sesbania seeds under running water for 2h, and (3) taking out, cleaning and soaking the sesbania seeds in seed soaking liquid, stirring the sesbania seeds and the seed soaking liquid through a stirrer for 20min at a stirring rate of 30r/min, soaking the sesbania seeds for 1h after stirring, and horizontally laying the sesbania seeds on a cloth liner for airing. The sesbania seed treatment method can significantly increase a germination rate of the sesbania seeds under a salt stress condition.

The invention discloses a granular fertilizer special for environment-friendly saline-alkali soil and a preparation method thereof. The granular fertilizer is prepared from a core layer, a slow release layer, a soil acting layer and an enveloping layer at a certain ratio from inner to outer. The granular fertilizer with a four-layer cladding structure is acquired through repeated pelletizing. Before the granular fertilizer disclosed by the invention is applied to soil, the enveloping layer in the granular fertilizer is capable of preventing the granular fertilizer from deliquescing and keepinghigher fertilizer efficiency; after the granular fertilizer is applied to the saline-alkali soil, the enveloping layer is dissolved under the action of water in the soil, and then the fertilizer in the soil acting layer is gradually released into the surrounding saline-alkali soil and the saline-alkali soil can be specifically and extremely improved; when the saline-alkali soil is recovered to astate suitable for planting, the core layer mainly used for nourishing crops starts to slowly release under the action of the slow release layer, the fertilizer in the core layer is not influenced bythe saline-alkali soil and is extremely used for promoting the crop growth; all the layers have a definite purpose and perform own functions, so that the granular fertilizer can be fully utilized.

The invention discloses a fixing agent and method for controlling nicotine loss during tobacco waste composting. The fixing agent is prepared from the following components in percentage by weight: 30 to 50 percent of bamboo charcoal powders, 3 to 5 percent of ferrous sulfate, 10 to 15 percent of calcium phosphate, and fillers (brown algae earth). The method comprises the following steps: tobacco wastes and livestock manure are primarily mixed, and the mixture serves as a composting raw material; 4 to 5 percent of the fixing agent is added into the composting raw material in percentage by weight, and uniform agitation is carried out through an agitator for mixed fermentation; as the composting goes on, a solution prepared from the fixing agent is sprayed from above during water replenishment of a compost heap. The invention can solve the problems of nicotine and nitrogen losses as well as undesirable odors during tobacco waste composting.

The invention relates to the technical field of agricultural equipment and discloses an automated water-fertilizer integrated machine for intelligent planting. The automated water-fertilizer integrated machine comprises a base, wherein a water injection pump is fixedly mounted at the top of the base, an output end of the water injection pump fixedly communicates with a water outlet pipe, a fertilizer storage chamber which is located at the right side of the water injection pump is fixedly mounted at the top of the base, a water and fertilizer mixing device is fixedly mounted at the top of thefertilizer storage chamber, and the bottom of the water and fertilizer mixing device extends inside the fertilizer storage chamber and is fixedly connected with a charging pipe. According to the automated water-fertilizer integrated machine for intelligent planting, the water and fertilizer mixing device is arranged above the fertilizer storage chamber, so that after clean water is introduced intothe water and fertilizer mixing device, internal pressure of the water and fertilizer mixing device is lowered by using a Bernoulli principle, and thus, a liquid fertilizer, located at the left sideof a middle partition plate, of the fertilizer storage chamber is automatically sucked into the water and fertilizer mixing device by a communicating seat through the charging pipe and is subjected toreal-time water and fertilizer mixing.

A granular CaMgP fertilizer is prepared from ordinary CaMgP fertilizer through mixing it with the solution of magnesium sulfate and granulating. Its advantages are easy dissolving in water, easily releasing its active components, easy being assimilated, and durable fertility.

The invention discloses a cultivation method of cattle green fodder. The cultivation method comprises the following steps: 1, mounting cultivation equipment; 2, cultivating the cattle green fodder; 3, carrying out water and fertilizer management; 4, carrying out temperature management; 5, carrying out illumination management; 6, carrying out pest and disease damage management; 7, carrying out gas management. The cultivation method of the cattle green fodder, disclosed by the invention, can be used for producing in a whole year; the quantity of seeds can be determined according to a cattle feeding scale and the use amount of cattle per day; phenomena that the cattle green fodder is too much to be wasted and is too less to be not sufficient can be completely avoided and the yield of a unit area is high; 20 tons or more of fresh cattle green fodder can be produced through three-dimensional cultivation per square meter. The cattle green fodder produced by the method has abundant nutrient value and the content of crude proteins, vitamins and microelements is high; the cattle green fodder is palatable and has no pollution; the intake amount of the cattle can be increased and fattening cattle can grow for about 2kg per day after the cattle green fodder is used for a long period, so that the cattle green fodder is optimal green fodder for large-scale cultivation and production of green beef.

A method for preparing a high-tower nitro type seaweed composite fertilizer is disclosed. The method includes S1) chopping dry seaweed into small segments; S2) putting water into a digestion tank, stirring, adding potassium carbonate and then degrading the small seaweed segments; S3) sealing the digestion tank for digestion and degradation to obtain a liquid mixture, and performing centrifugationwhen the temperature of the liquid mixture in the tank decreases to 60 DEG C to obtain a centrifugate; S4) adding potassium humate into the centrifugate; S5) concentrating the centrifugate; S6) spray-drying the centrifugate to obtain a seaweed extract; S7) adding monoammonium phosphate, ammonium sulfate, potassium sulfate, potassium chloride and the seaweed extract to a high-tower ammonium nitratetank containing an ammonium nitrate solution, then mixing and grinding the materials, feeding the mixture to a high-tower granulator for granulation, and then performing sieving, cooling and coatingto obtain the composite fertilizer. The composite fertilizer produced by the method has more seaweed active substances, can achieve root promoting, seedling strengthening and shoot strengthening, andhas better flower and fruit protecting and stress resistance effects.