492results about "Potassium fertilisers" patented technology

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

The invention relates to the technical field of compound fertilizers, and particularly discloses a potash magnesium sulphate fertilizer and a preparation process thereof, the potash magnesium sulphate fertilizer comprises the following components: crystallized potassium sulphate, crystallized magnesium sulfate and an anti-caking agent; wherein the mass ratio of the crystallized potassium sulfate to the crystallized magnesium sulfate is (1-10): 1; the crystallized potassium sulfate and the crystallized magnesium sulfate are prepared by adopting a hot melting-cold crystallization process; the anti-caking agent is modified silicon dioxide gel loaded with a moisture absorbent, and the mass ratio of the moisture absorbent to the silicon dioxide gel in the modified silicon dioxide gel is (1-3): 10; the mass ratio of the anti-caking agent to the crystallized magnesium sulfate is (5-15): 100. The potash magnesium sulphate fertilizer with different proportions of potassium sulphate and magnesium sulfate can be designed according to needs, and the caking risk of the potash magnesium sulphate fertilizer in the storage process can be reduced.

The invention discloses a potato high-yield disease-resistant controlled-release special fertilizer and application thereof, and relates to the technical field of fertilizer production. The high-yield disease-resistant controlled-release fertilizer special for the potatoes is prepared by adopting synergistic controlled-release urea coated with double-layer microbial agents and a controlled-release potassium-magnesium fertilizer as raw materials, wherein the synergistic controlled-release urea coated with the double-layer microbial agents is prepared by performing double-layer coating on urea through a micro-capsule loaded microbial agent. The fertilizer prepared by the invention has an optimized nutrient proportion of high potassium, medium and high nitrogen and low phosphorus, and the nutrient type and dosage accord with the nutrient requirement rule of the potatoes on macroelements. Meanwhile, the controlled release effect is realized by adopting a modified sulfur coating technology, so that the nutrient requirements of the potatoes in the key growth period are met. Through the comprehensive nutrient controlled release and inner and outer film layer fungicide loading technology, the nutrient utilization efficiency can be greatly improved, the potassium and magnesium absorption rate and the plant resistance of the potatoes are improved, diseases are reduced, the yield of the potatoes per unit area is remarkably improved, and the fertilization amount and the fertilization frequency can be reduced.

The invention discloses a method for preparing an amino acid water-soluble fertilizer by processing animal blood, which belongs to the technical field of water-soluble fertilizer preparation, and comprises the following steps: step 1, collecting animal blood, and performing centrifugal treatment to remove part of impurities and blood cell fragments in the blood to obtain a relatively pure plasma part; 2, compound protease is added into the pretreated animal blood for an enzymolysis reaction, meanwhile, sodium selenite is added into an enzymolysis system, and the sodium selenite serves as a selenium source; 3, after enzymolysis is completed, a compound microbial agent is added into enzymatic hydrolysate, and aerobic fermentation is carried out; according to the method for preparing the amino acid water-soluble fertilizer through animal blood processing, the structural design is reasonable, the added selenium element can enhance the stress resistance of plants and improve the quality of agricultural products, and an acidolysis method or an enzymolysis method and a liquid fertilizer or solid fertilizer production mode are flexibly selected, so that the optimal economic benefits and social benefits are achieved.

The invention discloses a method for preparing a humic acid water-soluble fertilizer from caragana microphylla slurry and melaleuca alternifolia essential oil, and relates to the technical field of fertilizers. The problems that raw material resources for preparing the humic acid water-soluble fertilizer are limited, and the preparation cost is high are solved. The method specifically comprises the following steps: preparing raw materials: caragana microphylla, melaleuca alternifolia essential oil and an auxiliary reagent; preparation and biotransformation of caragana microphylla pulp; emulsifying the melaleuca alternifolia essential oil; performing fertilizer compounding and quality regulation and control; and processing and storing finished products. The method has the characteristics of efficient utilization of resources, function synergy and environmental friendliness, the caragana microphylla in the preparation raw materials is a waste branch in a desert area and can turn waste into wealth, the essential oil is a natural extract and replaces a chemical synthesis synergist in an existing preparation method, soil is improved through humic acid, soil-borne diseases are inhibited through the essential oil, root absorption is promoted through the essential oil, and the soil-borne diseases are prevented from being damaged. Meanwhile, the humic acid water-soluble fertilizer is free of harmful residues and suitable for green agriculture.

The application discloses a kind of water-soluble sulphur-based compound fertilizer preparation method, belong to compound fertilizer technical field.The steps include as follows:(1) in reaction kettle, concentrated sulfuric acid and potassium chloride are reacted under heating condition, reaction temperature is 105-115 DEG C, reaction time is 25-45 minutes, slurry is sent to cooling kettle;(2) in cooling kettle, temperature is reduced to 40-60 DEG C, slurry is sent to mixed acid tank;(3) in mixed acid tank, add dilute phosphoric acid, potassium bisulfate solution and slurry, reaction temperature is 65-75 DEG C, slurry is sent to tubular reactor;(4) in tubular reactor, add ammonia, washing liquid and slurry, reaction temperature is 150-180 DEG C, slurry is sent to granulator;(5) in granulator, add alkaline compound fertilizer raw material, return material and slurry for granulation, granulation temperature is 80-95 DEG C, return material ratio is 1:1.5-2.0;(6) the granules obtained from granulator are cooled and screened to obtain product.

The invention provides an organic mineral fertilizer and a preparation method thereof, and belongs to the technical field of fertilizer preparation. The organic mineral fertilizer is prepared from fermented organic matters, an inorganic nitrogen source, a slow-release phosphorus and potassium source, medium trace elements, a slow-release matrix and a functional microbial agent according to a specific ratio. The composition of the fertilizer is adjusted, the slow-release phosphorus and potassium sources are adopted as raw materials, slow release of phosphorus and potassium is achieved through the slow-release effect of the slow-release phosphorus and potassium sources, and the overall slow-release effect of the fertilizer is achieved through the slow-release matrix. According to the present invention, the organic matter and the mineral element are deeply fused by adjusting the process, the prepared fertilizer has characteristics of comprehensive nutrition, slow release, high efficiency, soil improving, and fertilizer utilization rate increasing, the resource utilization of the agricultural waste is achieved, and the green and environmental protection modern agriculture requirements are met.

The application discloses an environment-friendly slow-release fertilizer and a preparation method thereof, and belongs to the technical field of fertilizer mixture preparation. The preparation method comprises the following steps: mixing, stirring and heating mussel extract-polysaccharide-nitrogen fertilizer complex, inorganic fertilizer and water according to a weight ratio of 1-2:5-7:15-23 to form a dispersion solution heated to 50-60 DEG C, mixing and stirring the dispersion solution with calcium salt according to a weight ratio of 1:0.005-0.01, and cooling to 20-25 DEG C to react for 20-24 hours to obtain a viscous mixture; and drying and crushing the viscous mixture to obtain the environment-friendly slow-release fertilizer. The mussel extract with good adhesion effect and carboxymethyl cellulose or hyaluronic acid with biocompatibility are used as carriers, the nitrogen fertilizer and the inorganic fertilizer are wrapped through the synergistic cooperation of amide structure, imine structure and metal coordination, and finally the environment-friendly slow-release fertilizer is obtained.

The application provides a method for preventing and controlling plant aphids, and the specific steps are as follows: selecting plant germination seeds that have grown roots and the root length is 2-6 cm, applying a light cycle treatment of 8h light and 16h darkness in the growth process of the plant germination seeds; in the plant germination seeds, the seed sources include legumes and cruciferous vegetables; and in the growth process of the plant germination seeds, a boron-containing nutrient solution containing the following components is used: Ca(NO3)2.4H2O 4mM, KH2PO4 1mM, KCl 1mM, MgSO4.7H2O 2mM, K2SO40.5mM, FeSO4.7H2O 50μM, EDTA.Na2 50μM, MnCl2 10μM, ZnSO4.7H2O 5μM, CuSO4.5H2O 0.5μM, (NH4)6Mo7O 24 4H2O 1μM, H3BO3 35-70μM, CoCl20.5μM; the nutrient elements are applied according to the following steps: (1) the first boron-containing nutrient solution is used for 1-5d, and the concentration of all components in the first boron-containing nutrient solution is 20-30% of that of the boron-containing nutrient solution; (2) the second boron-containing nutrient solution is used for 6-15d, and the concentration of all components in the second boron-containing nutrient solution is 40-60% of that of the boron-containing nutrient solution. The method can effectively prevent and control plant aphids.

This invention provides a method and equipment for preparing compound fertilizer using lepidolite slag as raw material. The method includes the following steps: S1, pretreatment: lepidolite slag is taken, crushed, and screened to obtain lepidolite slag particles with a particle size of 40 to 400 mesh; S2, activation: lepidolite slag is thoroughly mixed with an activator and a flux, and then ground to obtain powder with a particle size less than 80 mesh, wherein the activator is sodium hydroxide and anhydrous sodium carbonate, and the flux is calcium oxide; S3, sintering: the activated and ground powder is sintered at a temperature of 650℃-1000℃ for 0.5 h-5 h; S4, compounding: trace elements are added to the sintered fertilizer, mixed evenly, and ground into powder. The method for preparing compound fertilizer using lepidolite slag as raw material provided by this invention can effectively utilize lepidolite slag to prepare compound fertilizer, solving the environmental problem of large-scale accumulation of lepidolite slag and realizing the resource utilization of waste.

The invention relates to the technical field of rice planting methods, in particular to a nutrient solution for culturing Guizhou indica rice variety 'Guizhou Red No.1' as well as application and a culture method of the nutrient solution. According to the invention, a nutrient solution specially aiming at 'Guihong No.1' is researched and determined, the nutrient solution is added with micromolecular substances and Br with the final concentration of 0.1-0.6 [mu] M, GABA with the final concentration of 0.3-0.9 mM, melatonin with the final concentration of 0.5-5 [mu] M and salicylic acid with the final concentration of 10-20 [mu] M, and the nutrient solution specially aiming at 'Guihong No.1' can effectively improve the plant height, the biomass (fresh weight), the nitrogen content, the chlorophyll content and the dry weight of a single plant of 'Guihong No.1'. The nutrient solution provided by the invention can solve the technical problem of lack of an effective culture method in the prior art, and can better promote large-scale, intensive and factory planting management and large-area popularization and application of indica rice varieties in Guizhou by utilizing synergistic interaction and advantage complementation among different treatment modes.

The invention discloses a desert blue-green algae large-scale culture nutrient solution and application thereof. The desert blue-green algae large-scale culture nutrient solution is prepared from urea, monopotassium phosphate, potassium chloride, sodium bicarbonate and medium trace element fertilizer. Wherein the concentrations of the urea, the monopotassium phosphate, the potassium chloride, the sodium bicarbonate and the medium trace element fertilizer are 500-550 mg / L, 20-30 mg / L, 10-15 mg / L, 10-15 mg / L and 10 mg / L respectively. The invention provides a nutrient solution special for large-scale cultivation of desert blue-green algae, and solves the technical problems of high cost, low yield and low blue-green algae purity of large-scale cultivation of desert blue-green algae in the prior art. The nutrient solution composition provided by the invention can balance each nutrient composition, so that the nutrient composition can be more suitable for the nutritional requirements of the growth of the desert blue-green algae.

The present application relates to a kind of high nutrient high activity chemical fertilizer biological compound fertilizer and its preparation and application, belong to agricultural fertilizer technical field.The high nutrient high activity chemical fertilizer biological compound fertilizer of the present application includes inorganic fertilizer and microbial inoculant, the nitrogen phosphorus potassium nutrient content of the chemical fertilizer biological compound fertilizer is greater than 40%, and microbial viable count is above 200 million cfu / g, also includes microbial protective agent, the mass ratio of the microbial protective agent and microbial inoculant is ≥1.The high nutrient high activity chemical fertilizer biological compound fertilizer product of the present application realizes the deep compound of chemical fertilizer and active microorganism, has multiple efficacy of chemical fertilizer and microbial fertilizer, overcomes the neck blocking technical problem that chemical fertilizer and microbial fertilizer are incompatible in production, storage and transportation, use process, significantly improves chemical fertilizer utilization efficiency, reduces fertilizer use cost, solves the problem that microbial fertilizer cannot be generally used in field crops, integrates fertilizer yield and quality improvement, fertile soil and pollution prevention and other functions.

The invention discloses a controlled-release potassium-magnesium fertilizer as well as a preparation method and application thereof, and relates to the technical field of controlled-release fertilizer production. Potassium magnesium crude salt recovered through salt lake carnallite flotation crystallization is used as a core raw material, high-roundness modified potassium magnesium salt composite particles are constructed through extrusion master batch forming, roller wet amplification, centrifugal polishing shaping and micropore filling and sealing, and the controlled-release potassium magnesium fertilizer is prepared through coating. The problems that potash fertilizer particles prepared through traditional extrusion granulation have many edges and corners and are not prone to film coating are solved through a multi-stage granulation process, secondary granulation is conducted through heterogeneous fine powder materials, surface micropores are filled, the surface smoothness of the particles is greatly improved, meanwhile, the influence of potassium ions on film forming is isolated, and the potassium fertilizer has the good application prospect. According to the finally prepared controlled-release potassium-magnesium fertilizer, a nutrient release curve is precisely regulated and controlled through the controlled-release film layer, double-nutrient continuous supply of crops with high potassium and high magnesium requirements is achieved, the potassium and magnesium deficiency symptoms of the crops are reduced, the crop quality is improved, and a core technical support is provided for high-value utilization of salt lake potassium ore resources and green quality improvement of the crops.

A production process for preparing potassium chloride by using underground native carnallite ore comprises the following steps: carrying out primary crushing on the underground native carnallite ore, combining a material obtained by carrying out secondary crushing on an oversize material with an undersize material, conveying the combined material to a decomposer or a crystallizer, adding a beneficiation reagent into decomposed slurry or underflow slurry of the crystallizer, and carrying out roughing, roughing concentrate K1 and roughing tailings T1 are obtained; roughing tailings T1 are conveyed to a thickener, overflow of the thickener is collected and then returns to a decomposing tank for size mixing or flotation size mixing, and underflow of the thickener is subjected to ore grinding operation; materials discharged by the mill are conveyed to middling flotation operation to obtain middling flotation concentrate K2 and flotation tailings T2, the middling flotation concentrate K2 and decomposed slurry of the decomposing tank are subjected to roughing operation together, and roughing concentrate K1 is obtained; and the roughing concentrate K1 is subjected to secondary concentration to obtain crude potassium slurry K4, the crude potassium slurry K4 is filtered to obtain a crude potassium filter cake K5, and the crude potassium filter cake K5 is washed and filtered to obtain a potassium chloride wet material product. The product is high in recovery rate and proper in particle size.

The present invention relates to a fertilizer particle comprising one, two or three of from 1.0 to 30 wt.% of nitrogen (N), from 1,0 to 52 wt.% of phosphorus (P) (expressed as P2O5), from 1,0 to 60,0 wt.% of potassium (K) (expressed as K2O), depending on whether the fertilizer particle is a K, a NP or a PK, or a NPK fertilizer, and from 0.0001 to 5.0 weight% of at least one polysaccharide, more in particular chitosan, as a biostimulant, based on the total weight of the fertilizer particle. The present invention furthermore relates to a method to produce such fertilizer particles.

The present invention provides a method for efficiently obtaining a fertilizer containing polysaccharide hydrolysates and nutrients such as calcium, phosphoric acid, and nitrogen. The present invention is a method for manufacturing a fertilizer, characterized by comprising: a hydrolysis step for obtaining a mixture including polysaccharide hydrolysates through hydrolysis of polysaccharides using an acid catalyst; and a neutralizing step after the hydrolysis step for adding at least one basic compound selected from the group consisting of potassium salt, phosphate, ammonium salt, and ammonia.

The invention relates to the technical field of carbon-based fertilizers, in particular to a method for preparing a carbon-based fertilizer from high-ash coal slime and coal gangue. The preparation method of the carbon-based fertilizer comprises the following steps: S1, crushing and mixing high-ash coal slime and coal gangue to obtain a pretreated raw material; s2, hydrochloric acid, citric acid and polyethylene glycol-400 with a certain mass fraction are mixed, and a composite leaching solution is obtained; s3, the pretreated raw materials and the composite leachate are mixed and subjected to ultrasonic treatment, and ultrasonic leachate is obtained; s4, performing pressure filtration on the ultrasonic leaching solution to obtain a concentrated material; s5, firing the concentrate to obtain an activated carbon-based material; s6, mixing the corn straw, the chicken manure and the complex microbial inoculants to obtain fermented composted materials; and S7, mixing the activated carbon-based material with the fermented composted material, and granulating to obtain the carbon-based fertilizer. According to the prepared carbon-based fertilizer, solid waste ash and heavy metal harmful substances are effectively removed through the composite leaching and ultrasonic synergistic effect, and good environmental protection benefits are achieved.

The present application relates to a kind of plum cultivation method of two harvests in a year, comprising the following steps: (1) culture plum spring shoot forms flower bud;(2) after two fruit harvest, water and fertilizer A is removed, summer pruning, control shoot;(3) remove leaf, winter pruning and apply base fertilizer;(4) root water and fertilizer B, germination;The flower of first fruit opens on the spring shoot;(5) in early February of next year, the flower of two fruit opens on the short fruit branch and flower bouquet fruit branch of the plum;4 in mid-April to mid-May, the first fruit matures;After the first fruit harvest, water and fertilizer C is removed, and the second fruit matures from mid-June to early July.The plum of the present application is two harvests in a year, and the total yield of two harvests (fruit) increases by 30.26%-52.50%, the first fruit matures 1-2 months earlier than normal, and the selling price increases by 3.29-4.36 times, the output value increases by 2.38-3.12 times, while adjusting the plum market supply in off-season, lengthening the shelf life of plum, improving the value of plum, thus better economic benefits are generated.

The invention relates to the technical field of plant cultivation, in particular to a high-survival-rate seedling transplanting method. The transplanting method comprises the following steps: classifying and screening nursery stocks to obtain screened nursery stocks; lifting the screened seedlings according to a preset soil ball diameter to obtain a seedling transport body; loading the nursery stock transportation body into a container containing a pretreated nursery substrate (perlite, dried chicken manure, peat soil, straw and decomposed sweet potato seedlings) to obtain a nursery stock transplanting body; transferring the nursery stock transplanting body into the planting ditch for bed arrangement operation to obtain a nursery stock transplanting bed body; performing early-stage management on the nursery stock transplanting bed body to obtain a nursery stock bed; in the early-stage management, a compound organic fertilizer (rape seed cake, sheep manure, humic acid, wheat straw, bentonite, boric acid, magnesium sulfate, ammonium sulfate, calcium superphosphate, potassium sulfate and water) is used for additional fertilization; transplanting and planting the nursery stock bed to obtain transplanted nursery stocks. According to the method, by constructing a technical closed loop of root system microenvironment restoration, gradient adaptation and precise nutrition, the transplanting survival rate of the seedlings can be effectively increased.

The application provides a quick-dissolving mixed fertilizer for improving soil and a preparation method thereof, and relates to the technical field of fertilizers.The quick-dissolving mixed fertilizer for improving soil comprises the following raw materials in parts by weight: urea 20-25 parts, diammonium phosphate 10-16 parts, potassium sulfate 12-14 parts, magnesium sulfate 3-4 parts, potassium humate 5-6 parts, lignin 4-5 parts, zinc oxide 0.1-0.3 parts, manganese sulfate 0.5-0.6 parts, ammonium molybdate 0.5-1 part, coating material 6-10 parts and water 10-12 parts.The quick-dissolving mixed fertilizer for improving soil has the advantages of balanced nutrition, good quick-dissolving property, high nutrient utilization rate and remarkable soil improvement effect.The popularization and application of the mixed fertilizer will help to improve the fertility level of farmland and promote the sustainable development of agriculture.

The invention belongs to the field of rice fertilization, and discloses a simple and efficient one-time rice fertilization method based on soil available potassium level, which comprises the following steps: measuring the available potassium content of plough layer soil of a target field; selecting a slow mixed fertilizer according to the content of available potassium in plough layer soil: when the content of available potassium is lower than 150mg / kg, selecting a high-potassium-ratio slow mixed fertilizer with the mass percent of K2O not lower than 10%; and when the content of available potassium is higher than or equal to 150mg / kg, selecting a low-potassium-ratio slow-mixing fertilizer with the mass percent of K2O being lower than 10%. Through precise matching of soil potassium with a slow-mixing fertilizer formula and combination of one-time basal application, fine soil preparation, precise ear fertilizer diagnosis and other technologies, synchronous supply of nutrients in the whole growth period of rice is realized, the fertilization frequency is remarkably reduced, the nitrogen fertilizer utilization rate and yield are improved, and the method has the advantages of labor saving, high efficiency and environmental protection.

The invention provides a nutrient solution formula. The nutrient solution formula comprises organic nitrogen, organic phosphorus, organic potassium, active calcium, quick-acting sulfur, magnesium, zinc, selenium, ferrous sulfate, organic silicon, expanded fertilizer, mineral source humic acid, chitin, live bacterial fertilizer, boric acid, manganese sulfate, zinc sulfate heptahydrate, ammonium molybdate, copper sulfate heptahydrate, disodium iron ethylenediaminetetraacetate, citric acid and water. According to the nutrient solution formula and the preparation system thereof provided by the invention, microelements are added into the formula, so that the nutrient requirements of vegetables during growth are met, the growth of the vegetables is promoted, and meanwhile, citric acid is added, so that the nutrient solution is stable in property, and the effectiveness of the nutrient solution can be kept in a relatively long period; the physiological acid-base reaction caused in the nutrient solution absorption process of the leaf vegetables can be kept stable, the activity of the root system is improved through high water-soluble phosphorus in the formula, the photosynthesis is improved through the magnesium element, long-acting biological sulfur is provided, and continuous energy supply is provided.

The application provides a preparation of a fermentation bed and application of waste of the fermentation bed in preparation of special organic fertilizer for rice, belongs to the technical field of livestock breeding, and specifically relates to a fermentation bed for cattle breeding, which comprises raw materials: rice straw, rice husk, quicklime, corn flour, wheat bran, sawdust and mixed bacteria liquid A; the mixed bacteria liquid A comprises Bacillus subtilis, Clostridium butyricum, Rhodopseudomonas palustris, Saccharomyces cerevisiae and Lactobacillus acidophilus; and a special organic fertilizer for rice, which comprises components: the above-mentioned waste fermentation bed, rice straw, rice husk, wood ash, mixed bacteria liquid B and mixed enzyme preparation; the provided fermentation bed can effectively degrade cattle manure, solve the problem of dirty and smelly breeding environment, and effectively reduce the incidence of diseases such as cattle diarrhea; and the provided special organic fertilizer for rice meets the nutritional requirements of rice planting, improves the yield and stress resistance of rice, and prevents or reduces the occurrence of diseases.

The present invention relates to a crop nutrition composition in the form of water dispersible granules or aqueous suspension comprising: (i) one or more of water insoluble Magnesium salts or derivatives thereof, (ii) one or more of water soluble Potassium salts or derivatives thereof, (iii) one or more of surfactants, wherein composition has elemental Magnesium content in the range of 1% to 50% by weight of the total composition, and wherein composition has elemental Potassium content in range of 1% to 50% by weight of the total composition, and wherein the surfactant is in the range of 0.1 to 40% by weight of the total composition, and wherein composition comprises particles in size range of 0.1 to 30 microns. The present invention further relates to a method of treating plants and meeting their nutritional requirement by making essential nutrients Magnesium, Potassium available to them.

The invention relates to the technical field of soil improvement, in particular to a yellow soil improvement method based on green manure and charcoal. The yellow soil improvement method based on green manure and charcoal comprises the following steps: planting common vetch in yellow soil in the fourth quarter of the first year; in the second quarter of the next year, the grown vicia sativa seedlings and the charcoal are turned and pressed together, base fertilizer is applied, and preliminary improvement of the yellow soil is achieved; crops are planted into the yellow soil after preliminary improvement, first topdressing is applied after a first time interval to achieve secondary improvement of the yellow soil, second topdressing is applied after a second time interval to achieve tertiary improvement of the yellow soil, and nutrients, aggregate stability and enzyme activity of the yellow soil are obviously improved through the tertiary improvement. The problems that existing yellow soil is viscous and heavy in texture, poor in tilling performance, low in natural fertility, high in acidity and relatively low in water and fertilizer retention capacity, soil exchangeable salt bases are remarkably lacked, the salt base saturation degree is generally smaller than 20%, and the nitrogen leaching loss phenomenon of the yellow soil is serious are solved.

Compositions comprising Certified Organic potassium salts derived from plant ash are described herein. The compositions described herein include potassium acetate derived from acetic acid and sunflower ash. Such compositions can be used as a fertilizer component in organic farming and result in higher plant yields compared to plants treated with inorganic forms of potassium alone.

The application discloses a water and fertilizer integrated tea tree plug seedling device and a seedling method, and steps are as follows: 1, mother tree treatment; 2, preparation of the device: the cutting substrate formula is grass charcoal: loess: residue: perlite; 3, shoot selection: selecting vigorous and pest-free current-year semi-lignified branches from the mother plant in a mother garden; 4, shoot cutting: pruning the collected branches into one growth point and half a leaf; 5, cutting: using a rooting agent; 6, rooting period management: the nutrient solution is a seedling technology matched with the cutting device, the substrate is continuously transported to the tea cutting root, the root is strengthened, and the seedling is strengthened; 7, seedling cultivation: the tea rooting nutrient solution is used in cooperation with the seedling device. The application also relates to a device, and capillary tubes are connected with the plug and a water storage device respectively. The water and fertilizer integrated management in the tea cutting seedling process is realized, the labor cost can be saved, the survival rate of tea is improved, and the application has application value.

The invention relates to the technical field of ecological restoration, and discloses an engineering disturbance area plant diversity improvement method for segmented diversified compound fertilizer application, which comprises the following steps: (1) analyzing the current situation of plant community distribution in an engineering disturbance area and plant communities existing before engineering disturbance; (2) selecting other plant species suitable for survival according to the climate environment of the engineering disturbance area; (3) screening plant seeds existing before engineering disturbance and plant seeds suitable for the climatic environment of the engineering disturbance area, and mixing to obtain various plant seeds; (4) sowing various plant seeds into the engineering disturbance area, and then carrying out segmented fertilization; according to the fertilization method, the ecology of the engineering disturbance area can be effectively restored, and by enriching the diversity of plants in the engineering disturbance area, the ecological cycle of the engineering disturbance area is improved, and the ecological environment is improved.