67results about How to "Break the knot" patented technology

The invention relates to a compound microbial organic fertilizer and a preparation method thereof. The compound microbial organic fertilizer is prepared from the following ingredients in parts by weight: 1-4 parts of trichoderma viride JUWEI002 fermentation liquor, 1-4 parts of bacillus subtilis JUWEI001 fermentation liquor, 20-30 parts of turfy soil, 33-38 parts of tobacco residue, 33-38 parts of silkworm faeces, 6-7 parts of calcium powder and 1-2 parts of potassium fulvate. The compound microbial organic fertilizer disclosed by the invention has the advantages that the quality of crops can be remarkably improved, the yield of the crops is increased, and the soil structure is improved.

The invention discloses a soil conditioner and a preparation method thereof. The soil conditioner comprises 21% of silicon fertilizer, 25% of natural peat containing humic acid, 49% of a clay mineral and 5% of bioremediating inoculant. Slow-release silicon fertilizer is adopted as the silicon fertilizer, the clay mineral is kaolin, and the bioremediating inoculant is formed by 50% of iron-reducing bacteria, 30% of bacilli and 20% of photosynthetic bacteria in a composite mode. After the raw materials are mixed according to the ratio, charging, stirring and mixing, secondary charging, room-temperature drying, smashing, secondary stirring and mixing, packaging and storing are carried out to prepare the soil conditioner. According to the soil conditioner, an agricultural water-retaining agent, the natural peat rich in organic matter and the humic acid and other organic matter are used as main raw materials, biological active components and nutrient components are auxiliary materials, and the soil conditioner is processed through a scientific technology and has three kinds of remarkable soil conditioning performance of water retaining, fertility increasing and ventilation.

The invention discloses a figwort root planting method, aiming at solving the problems that the Mu yield of figwort roots cultured by adopting a conventional planting technology is not high and the figwort roots have excessive plant diseases and insect pests. The figwort root planting method comprises the following steps: carrying out soil preparation: selecting sandy soil with the porosity of 33%-35% to plant; carrying out radical bud breeding and topdressing: opening holes on prepared rectangular pieces according to row spacing of 40cm*30cm, wherein the hole depth is 5cm-6cm; putting one radical bud into each one hole, wherein bud heads are arranged upwards; sealing ridge height for 10cm; carrying out topdressing: starting to carry out the topdressing when seedlings are 17-20cm high; and carrying out growth-period management: picking off flower buds when the figwort roots bloom and carrying out topping and weeding. The figwort roots are planted through adopting the planting method of the scheme and the Mu yield is improved; and the killing rate of the plant diseases and insect pests is reduced and the quality of the figwort roots is obviously improved.

The invention discloses a weak-acid slow controlled-release fertilizer which is prepared from the following ingredients in parts by weight: 150-200 parts of potassium chloride, 200-250 parts of monoammonium phosphate, 370-400 parts of urea, 120-160 parts of ammonium chloride, 10-20 parts of sulfuric acid, 2-8 parts of a urease inhibitor, 2-8 parts of urea formaldehyde, 20-30 parts of synthetic ammonium, 2-8 parts of a nitrification inhibitor, 1-4 parts of an ammonium stabilizer, 0.3-0.8 part of a phosphorus activator, 0.3-0.8 part of a protective agent, 0.3-0.8 part of heptahydrate, 0.3-0.8 part of water-soluble silicon and 0.8-1.5 parts of an additive. The fertilizer has the advantages as follows: the fertilizer efficiency period is long, the nutrient utilization rate is high, the physical properties are good, and the environmental pollution is reduced greatly.

The invention relates to a green and environment-friendly fertility fertilizer capable of thoroughly improving soil, activating and repairing soil, protecting soil from fertilizer damage, completely restoring the soil, resisting fertilizer damage and preventing pollution, enduringly and strongly activating soil, completely getting rid of soil hardening, enriching vegan nutrition and continuously increasing both production and income. By adopting the methods of conditioning of soil and physiological regulation of crops, synthesis of biological nutrition and recombination of (mother) nutrient components, inorganic and organic combination and the addition of (sub-element) microelement supplements, the green and environment-friendly fertility fertilizer is scientific, targeted and flexible and makes up for the shortcomings that the modern fertilizer has nutrient deficiency or excess easily caused by the fixed ratio of nutrients. The green and environment-friendly fertility fertilizer has the advantages that nitrogen is supplemented if nitrogen is deficient, phosphorus is supplemented if phosphorus is deficient, potassium is supplemented if potassium is deficient, elements are supplemented if elements are deficient, the fertilizer damage is effectively inhibited, the properties of soil are improved, the fertility of soil is improved, the deterioration of soil and environmental pollution are avoided, and thus the green and environment-friendly fertility fertilizer is named as'fertility fertilizer and fertilizer in fertilizer' and is extremely perfect.

The invention discloses a selenium-rich sugarcane tissue cultivation and planting method. The method comprises the following steps that selenium ore powder is applied, planting furrows are dug, selenium-rich fertilizers are added into the planting furrows, stem tip portions of sugarcane plants are subjected to tissue cultivation to obtain plantlets, the plantlets are planted, and selenium-rich leaf fertilizers are sprayed. According to the method, sugarcane seedlings are obtained through tissue cultivation, a T-shaped glass incubator is adopted for cultivation in the tissue cultivation process, meanwhile, sterile air is introduced into the glass incubator, the content of oxygen in the incubator is controlled, and a convection current is formed inside the incubator, so that an environment suitable for growth of tissues is provided, original excellent properties of the sugarcane seedlings are maintained, and the germination rate is high. By carrying out scientific farming management on sugarcane, applying the selenium ore powder and the selenium-rich fertilizers to a planting field during soil preparation and applying the selenium-rich leaf fertilizers during planting, the harvested sugarcane is excellent in property, high in yield and rich in selenium element, and has extremely high nutritive value and economic value.

The invention discloses a high-efficiency slow-release fertilizer for high-efficiency cultivation of coix seeds in saline land. The high-efficiency slow-release fertilizer is prepared from, by weight, oyster shells, polylactic acid, activated nano attapulgite, viscid loess, almond residues, tea waste residues, rice chaff ash, modified sea mud, perlite, vermiculite powder, VA mycorrhiza, saccharomycetes, exogenous proline, ardealite, a proper amount of hydrogen peroxide, a proper amount of ammonia water and the like. The almond residues, the tea waste residues, the rice chaff ash, the modified sea mud, the perlite, the vermiculite powder and the like are matched with nutrient substances to prepare the coated slow-release fertilizer after fermentation, and the fertilizer contains rich fermented micromolecular organic matter, the inorganic moisture regulator vermiculite powder and the like itself, is easily absorbed and utilized by plants. In addition, the pH value of saline and alkaline land is automatically regulated by adopting the inorganic moisture regulator, and the resistance of the coix seeds in the saline land is improved. A coating layer capable of supplying oxygen and dynamically regulating pores is adopted, the fertilizer efficiency time is long, organic matter nutrients can be released for a long time, high-efficiency cultivation of the coix seeds in the saline land is promoted, and the high-efficiency slow-release fertilizer can be widely applied and popularized.

The invention discloses an active bio-organic fertilizer and a preparation method thereof. The fertilizer is prepared from raw materials in parts by weight as follows: 20-35 parts of livestock and poultry manure, 5-10 parts of rice husk, 20-40 parts of Chinese chestnut waste, 3-5 parts of biological humic acid, 0.1-1 part of a conditioner, 3-5 parts of mycorrhizal fungi organisms, 1-3 parts of peat ash, 1-3 parts of straw ash, 1-5 parts of distillers' grains, 3-8 parts of bacillus subtilis, 3-10 parts of bacillus amyloliquefaciens and 1-8 parts of auxiliary materials. The active bio-organic fertilizer has slight odors and almost no odors through deodorization, can change organic waste into wealth to realize recycling as an efficient and environment-friendly product and has broad application prospects.

The invention discloses an efficient controlled release fertilizer used for pollution-free fruit mulberries. The efficient controlled release fertilizer comprises, by weight, oyster shells, polylactic acid, graphene, activated nano zeolite, marine microalgae slag, selenium and germanium-enriched spirulina slag, chlorella slag, kelp slag, bacillus subtilis, saccharomycetes, ferrous sulfate, boric acid, calcium ammonium nitrate, soy isoflavone, ammonium stearate, ammonium molybdate, ferrous sulfate, a proper amount of hydrogen peroxide, a proper amount of ammonia water and a proper amount of water. According to the efficient controlled release fertilizer, the marine microalgae slag, the selenium and germanium-enriched spirulina slag, the chlorella slag and the kelp slag are adopted to be matched with nutrient substances, and the coated controlled release fertilizer is prepared after enzymolysis and zymotechnics. The fertilizer is rich in fermentation micromolecule organic matter and microelements, the nutrition is rich and can be absorbed and utilized by the fruit mulberries conveniently, and growth of the fruit mulberries can be facilitated. The selenium and germanium nutrition is increased, and pollution-free cultivation of the fruit mulberries is guaranteed. A coating layer capable of supplying oxygen and dynamically adjusting pores is adopted, organic matter nutrients can be released for a long time, efficient cultivation of the fruit mulberries can be realized, and the efficient controlled release fertilizer can be widely applied and popularized.

The invention discloses a biological organic fertilizer and a production method thereof, and belongs to the field of fertilizers. The biological organic fertilizer contains the following components: more than or equal to 20 million active living bacteria per gram, more than or equal to 45% of organic matters, more than or equal to 5% of total nutrient, less than or equal to 30% of water, and less than or equal to 100 fecal coliform per gram, and has the pH of 5.5-7, wherein the death rate of roundworm ova is more than or equal to 90%, and the validity period is more than or equal to 12 months. The biological organic fertilizer has the effects of a microbial fertilizer and an organic fertilizer, and can change wastes into valuable and protect the environment; and the production method can effectively shorten the production period and reduce the production cost.

The invention discloses an efficient controlled release fertilizer favorably improving taste and freshness of ivy mosses. The fertilizer comprises the following components in parts by weight: oyster shells, polylactic acid, expanded graphite, thermally activated nano chernozem, pinecones, pomegranate barks, mosses, sugarcane ash, a soil beneficial microbial inoculant, bacitracin zinc, phytase, amino acid, ground calcium ammonium sulfate, boric acid, sodium selenite, chelated iron, potassium fulvate, lysine, a proper amount of hydrogen peroxide, a proper amount of ammonia water, a proper amount of water and the like. The coated controlled release fertilizer is prepared by using the pinecones, the pomegranate barks, the mosses and the sugarcane ash which are matched with nutritional substances through fermentation. The fertilizer is rich in nutrient elements such as fermented small molecular organic matters, calcium, iron, selenium and zinc, is abundant in nutrient and convenient for plants to absorb and utilize, so that the taste and freshness of the ivy mosses can be enhanced; by adopting the coating layer which can supply oxygen and dynamically adjust the porosity, the fertilizer efficiency time is long, organic matter nutrients can be released for a long time, efficient cultivation of the ivy mosses can be realized, and the fertilizer can be widely applied and popularized.

The invention relates to the technical field of agricultural fertilizers, particularly to a bio-organic fertilizer and a processing method thereof. The bio-organic fertilizer is prepared from the following raw materials in parts by weight: 10-20 parts of straw biomass charcoal, 5-10 parts of seaweed organic fertilizer, 7-12 parts of nitrogen-phosphorus-potassium fertilizer, 3-6 parts of plant ash,2-5 parts of activated humic acid, 4-8 parts of fermentation residues, 8-15 parts of decomposed and fermented excrement and 0.2-0.6 part of a compound microbial preparation. According to the bio-organic fertilizer disclosed by the invention, organic nutrients, inorganic nutrients and microorganisms are compounded; the bio-organic fertilizer has the advantages of comprehensive nutrition, easy cropabsorption and soil microbial ecological environment improvement. Meanwhile, release process of the fertilizer in soil can be delayed, utilization rate of the fertilizer is increased, contact betweenthe microbial agent and the fertilizer is reduced through special microbial agent coating treatment, death rate of the microbial agent is reduced, and survival time of effective living bacteria is prolonged.

The invention relates to the field of soil conditioners, in particular to a multi-functional efficient soil conditioner and a preparation method and application thereof. The active ingredients of thesoil conditioner comprise seaweed dregs, a calcium magnesium phosphate fertilizer, polyglutamic acid, chitosan, kieselguhr and a bioremediating inoculant, wherein the bioremediating inoculant is prepared from iron-reducing bacteria, bacilli and photosynthetic bacteria in an active living bacteria count ratio of 5:3:2. The soil conditioner can improve soil properties, can recover the activity of acidified, saline, hardened, aged and continuously cropped soil and also can improve the ability of supplying nutrition to plants, and the effects of high yield and high quality are achieved.

The invention discloses an efficient slow-release fertilizer capable of promoting growth and development of strawberries. The fertilizer is prepared from the following components in parts by weight: oyster shell, graystone nanocellulose, carbon aerogel, activated nano yellow subsoil, silkworm excrement, bean cake dregs, peanut dregs, distiller's yeast, wine-related yeasts, urease inhibitors, ammonium bicarbonate, vegetable amino acids, compound sodium nitrophenolate, dicyandiamide, honey, brassinolide, a proper amount of hydrogen peroxide, a proper amount of ammonium hydroxide and the like. The silkworm excrement, the bean cake dregs, the peanut dregs and the distiller's yeast are adopted to match with a plant growth regulator, thus the coated slow-release fertilizer is prepared by fermenting, the fertilizer contains rich organic matters and is nutrient-rich, a coat film layer capable of supplying oxygen and dynamically regulating pores is adopted, the fertilizer effect time is long, nutrients can be released for a long time, cell viability of the strawberries can be improved, plant growth and development are accelerated, root and seedling growth is improved, the yield is increased, the ability of tolerating adversity is enhanced, efficient cultivation is realized, and the fertilizer can be widely applied and popularized.

The invention discloses an immobilized microbial compound fertilizer which is prepared from the following components in parts by weight: 3-4 parts of bacillus mucilaginosus, 1-2 parts of bacillus megatherium, 2-3 parts of bacillus laterosporus, 2-3 parts of trichoderma viride, 40-50 parts of a 35 g / L sodium alginate solution, 20-30 parts of bran, 30-40 parts of animal dung, 5 parts of malt selenium, 2-3 parts of selenium ore, 20 parts of bentonite and 1-2 parts of calcium pantothenate. The invention further provides a formula of the immobilized microbial compound fertilizer. The immobilized microbial compound fertilizer provided by the invention is high in microorganism content and active constituent content and remarkable in fertilizer efficiency.

The invention discloses a smolmitza soil conditioner matrix material for vegetation growing soil conditioning in an eastern grassland vegetation damaged region. The smolmitza soil conditioner matrix material is prepared from a composite bio-organic fertilizer, a biofibre material and a composite microbial agent. In another aspect, the invention discloses a vegetation growing soil conditioning method for the eastern grassland vegetation damaged region. Any one smolmitza soil conditioner matrix material is mixed with smolmitza according to a ratio of (3 to 7):100, a mixture is covered on a slope surface which needs to be repaired, and an earthing thickness is 8 to 10cm. The smolmitza soil conditioner matrix material and vegetation growing soil conditioning method for eastern grassland vegetation damaged region disclosed by the invention has the beneficial effect of obviously improving soil physicochemical properties, improving soil activity, breaking soil hardening, improving soil gas permeability, improving a plant emergence rate, promoting vegetation growth, increasing vegetation coverage, recovering the original ecology and the like.

The invention provides an organic composite nitrogenous fertilizer and relates to a fertilizer. The organic composite nitrogenous fertilizer is characterized by consisting of acyl nitrogen, nitrate nitrogen, ammonium nitrogen, middle trace elements and organic matters, and the mass percentage occupied by the components is shown as follows: 5-15 percent of acyl nitrogen, 5-15 percent of nitrate nitrogen, 55-65 percent of ammonium nitrogen, 5-15 percent of middle trace elements and 5-15 percent of organic matters. The organic composite nitrogenous fertilizer has the beneficial effects that the organic composite nitrogenous fertilizer contains three forms of nitrogen elements, i.e. the nitrate nitrogen, the ammonium nitrogen and the acyl nitrogen; the nitrate nitrogen is quick in adsorption, the leaf photosynthesis is enhanced, the water and fertilizer absorbing capacity of crops is enhanced, and the precocity of the crops is promoted; the ammonium nitrogen and the acyl nitrogen are not easy to lose, the fertilizer efficiency can be prolonged, and no fertilizer removal during the growth period of the corps is ensured; and the organic composite nitrogenous fertilizer exists in a form that organic nutrient fulvic acid potassium is chelated with other middle trace elements, is quickly and fully dissolved and is free from residues, soil hardness can be effectively broken through, a soil aggregate structure is enhanced, the soil is loosened, the air permeability is improved, and the fertilizer and water conservation capacity is improved.

The invention discloses a compound multifunctional soil remediation agent. The compound multifunctional soil remediation agent is prepared from 40-60% of humic acid, 10-30% of zeolite, 10-30% of Chinese medical stone, 1-5% of opal, 3-10% of chitosan, 3-10% of soybean meal, 0.5-5% of bone meal, 0.5-5% of fish meal, 0.1-0.5% of aspartic acid, 0.5-2.0% of potatoes, 0.2-0.5% of brown sugar, 0.005-0.01% of agar, 0.5-3.0% of Shimamoto ferment bacteria, 0.5-2.0% of Paecilomyces lilacinus and 0.5-2.0% of avermectin. The preparation method comprises mixing mixed calcined powder (comprising zeolite, Chinese medical stone and opal), humic acid, soybean meal, bone meal, fish meal, aspartic acid, potatoes, brown sugar and agar to obtain a uniform mixture, crushing the mixture, putting the powder into a fermenting tank, adding water into the fermenting tank to adjust humidity, adding other raw materials into the fermenting tank and carrying out fermentation for 20-40 days. The compound multifunctional soil remediation agent has obvious effects of adsorbing, decomposing and passivating heavy metals, stimulating crop growth, improving soil, improving soil fertility, adjusting pH, resisting plant diseases and insect pests and resisting continuous cropping.

The invention discloses a selenium-enriched bio-organic base fertilizer for fruits and vegetables. The selenium-enriched bio-organic base fertilizer for fruits and vegetables includes 20-30 parts of sheep manure, 10-15 parts of chicken manure, 15-20 parts of straw, 10-15 parts of soybean meal, 10-15 parts of rice bran, 8-12 parts of bone meal, 4-6 parts of fly ash, 5-8 parts of chaff carbon, 2-3 parts of selenium-containing substance, 4-7 of biological bacteria, 3-5 parts of humic acid, 2-3 parts of chitosan, 1-2 parts of trace elements and 5-8 parts of amino acid fertilizer. Comprehensive nutrition is provided for the growth of the fruits and the vegetables by adding animal manure and plant fibers such as agricultural waste, soil hardening can be broken, the soil structure is improved, soil organic matter and fertility are improved, the soil temperature is improved, photosynthesis of the fruits and the vegetables is promoted, and the selenium content in the fruits and the vegetables is effectively improved; biological bacteria can ferment the animal manure and the plant fibers such as the agricultural waste, so that waste is recycled, and the environment is protected.

The invention provides a compound microbial liquid inoculant and an application thereof, and belongs to the technical field of microorganisms. The compound microbial liquid inoculant comprises components in parts by mass as follows: 24-40 parts of brown sugar, 2-6 parts of glucose, 1-3 parts of peptone, 1-3 parts of yeast extract, 75-125 parts of compound bacteria and 1500-2200 parts of water, wherein the compound bacteria comprise Lactobacillus rhamnosus, Bacillus subtilis, saccharomyces and photosynthetic bacteria, and total quantity of effective viable bacteria in the compound bacteria is larger than or equal to 1*10<8> CFU / g. The compound microbial liquid inoculant is not affected by soil environment, the compound bacteria can propagate rapidly by nutrients of the inoculant and occupyecological niche in soil, and reproduction of harmful bacteria is reduced greatly.

The invention provides biological organic mineral fertilizer and a processing method thereof and belongs to the field of biological fertilizer. Aiming at the problems of current biological fertilizerthat the fertilizer efficiency is low, the application amount is great and the like, the invention provides the biological organic mineral fertilizer; the processing method comprises the following steps: carrying out low-temperature calcination on diatomaceous shale powder and volcanic rock powder at 600 to 800 DEG C to obtain an ore powder mixture; crushing and mincing animal organic matters intominced meat; then adding humic acid and soybean meal to form an organic matter mixture; after mixing the ore powder mixture and the organic matter mixture, granulating to form particles; after drying, spraying a bacillus subtilis bacterium agent; or mixing the ore powder mixture and the organic matter mixture, and adding bacillus subtilis and uniformly mixing to finally prepare the biological organic mineral fertilizer. The processing method is applicable to processing and utilization of the biological organic mineral fertilizer.

The invention relates to a soil conditioner produced by means of marine animal and plant residual bodies and a method for preparing the same. The method comprises pretreatment, smashing, calcination, material dispensing, mixture and granulation. Raw materials are kelp powder, shell powder, biochemical fulvic acid, zinc sulfate, ferrous sulfate, boron and magnesium powder. Through activating treatment of the marine animal residual bodies in a mode of natural curing and calcination combination, the release of nutritional components in the marine animal residual bodies is greatly improved, and the basis is laid for improving the application effect of the finally prepared soil conditioner.

The invention belongs to the technical field of soil fertilizers and particularly relates to an attapulgite based organic soil conditioner and a preparation method of the attapulgite based organic soil conditioner. The soil conditioner is used for improving the soil. The attapulgite based organic soil conditioner is prepared by mixing attapulgite, excrement of animals, and a leavening agent, and the leavening agent is mixed from the microorganisms of bacillus, actinomyces, saccharomycetes and filamentous fungi. The leavening agent adopts various beneficial microorganisms and various extracellular enzymes to achieve the effects of raising the temperature, deodorizing, eliminating plant diseases and insect pests and improving nutrients. The attapulgite has the characteristics of high specific surface area and high porosity, the activity and the adsorptive property are both greatly improved, the organic pollutants and the toxic harmful heavy metals are adsorbed, the biotoxicity and the mobility of the soil pollutants are reduced, and the bio-availability of the heavy metals is reduced.

The invention discloses an amendment for tree planting soil in beach saline-alkali land and a preparation method of the amendment. The amendment for tree planting soil in the beach saline-alkali landcomprises the following raw materials: 30-36 parts of a blocking agent, 0.01-0.03 part of an acid regulator, 7-10 parts of organic fertilizer, 0.2-0.8 parts of a settling agent and 0.01-0.03 parts ofmicrobial agents. The amendment for tree planting soil in the beach saline-alkali land has beneficial effects as follows: the beach saline-alkali land can be amended, free sodium ions are fixed on thesurface of residual refractory cellulose by halophilic bacteria, alkali in the soil is neutralized by the effects of the halophilic bacteria and the blocking agent, so that formation of the soil aggregate structure is promoted, the pore structure of the soil is adjusted, the alkalization degree of the soil is reduced, soil fertility of the saline-alkali land can be obviously improved, the contentof organic matter in the saline-alkali land is increased, the saline-alkali land is amended, and the survival rate of greening trees is increased.

The invention relates to a dry fermentation bed system for municipal sludge. The dry fermentation bed system comprises a dry fermentation bed, wherein the dry fermentation bed comprises a dry pretreatment zone, a fermenting degradation zone and an aging stabilization zone which are sequentially arranged and are arranged in a stepped manner from high to low; a plurality of screw conveying devices which are uniformly arranged in parallel are arranged in the dry pretreatment zone; distributing mechanisms are respectively arranged in the fermenting degradation zone and the aging stabilization zone. According to the dry fermentation bed system disclosed by the invention, the dry pretreatment zone, the fermenting degradation zone and the aging stabilization zone in the whole dry fermentation bedare arranged in a continuous and sequentially-reduced stepped form, and transfer of materials is facilitated; pavement and pushing transfer of the materials can be smoothly realized by the screw conveying devices and the distributing mechanisms.

The invention discloses a foldable type walking wheel which is simple in structure, low in manufacturing cost, easy and convenient to operate, wide in application and especially suitable for skidding and sinking prevention of various wheel machines like boat tractors in paddy fields and upland fields. The foldable type walking wheel has the beneficial effects that before and after operation, a drive wheel does not need to be replaced, labor intensity is relieved, the hard bottom layer of the paddy fields is not destroyed, and the benignant and sustainable operation of mechanical cultivation of the paddy fields is ensured. During running, the riding comfort is good, adhesive force is high, rolling resistance is small, and traction efficiency is high. The foldable type walking wheel comprises a hub, a drive tire and the like. The hub or a rigid connection body thereof is concentrically and rigidly connected with a rim 1; a plurality of supporting frames 2 are evenly distributed on the outer circumferential face of the rim 1 in a radial shape; the upper ends of the supporting frames 2 are hinged with supporting legs 3; the supporting legs 3 are provided with hinge holes 12 and antiskid teeth 4; the antiskid teeth 4 can extend out of an outer edge 14 of the drive tire; the supporting legs 3 can be folded around a hinge shaft 11 under the effect of external force; the supporting frames 2 are provided with limiting check blocks 6; and extension springs 5 are connected between the supporting legs 3 and the lower portions of the supporting frames 2.

The invention discloses a method of repairing and improving secondary salinized soil in facility agriculture. The method comprises the following steps of: (1) scattering a pH adjustor in a corresponding quantity into soil according to a detection result of pH value of soil; (2) performing rotary tillage on the soil; (3) thoroughly watering the soil and airing the soil; (4) scattering a first fertilizer into the soil; (5) scattering a loosening agent into the soil and performing rotary tillage again on the soil; (6) uniformly mixing leguminous plant seeds and nodule bacteria to form mixed plant seeds; (7) sowing the mixed plant seeds into the soil and watering the seeds; (8) when the leguminous plants grown from the mixed plant seeds grow to 15-25cm, performing total crop return on the leguminous plants; (9) scattering a second fertilizer into the soil; and (10) planting salt-absorbing crops in the soil and harvesting the crops. By means of the steps, the method disclosed by the invention can effectively adjust the pH value of the soil, reduce soil hardening, reduce the residual salt content in the soil and improve the utilization ratio of the soil, so that the crops grow more favorably.

The invention discloses a magnetic fertilizer used for eucalyptus, which is mixed by an inorganic fertilizer, an organic fermentation fertilizer and a magnetic powder base-material in proportion. The organic matter, a trace element, beneficial bacteria and a micro magnetic field are organically interlaced to a fertility supply net by the magnetic fertilizer, soluble substance loss is reduced, good environment for breeding microbe can be created, effectiveness is fast, and fertilizer efficiency is long. The invention also discloses a production method of the magnetic fertilizer, which comprises the following steps: respectively preparing an organic fermentation fertilizer, an inorganic fertilizer and a magnetic powder base-material, mixing the prepared organic fermentation fertilizer, the inorganic fertilizer and the magnetic powder base-material according to weight part, adding fungi mycelia in the mixing fertilizer and uniformly mixing to obtain the magnetic fertilizer used for eucalyptus, wherein, the addition of fungi mycelia accounts for 0.5-1% of weight of the magnetic fertilizer used for eucalyptus. The method has the advantages of scientific process and simple production technology, and is adapted to large scale production usage.

The invention discloses a selenium-enriched bio-organic base fertilizer for rice planting. The selenium-enriched bio-organic base fertilizer includes 15-20 parts of chicken manure, 8-12 parts of pig manure, 10-15 parts of tea seed cake, 15-20 parts of rice bran, 6-10 parts of rice straw, 2-4 parts of vermiculite, 2-3 parts of chitosan, 4-6 parts of chaff carbon, 2-3 parts of selenium-containing substance, 4-7 of biological bacteria, 1-2 parts of azolla imbricate, 2-3 parts of nitrogen-fixing cyanobacteria, 3-5 parts of humic acid, 1-2 parts of trace elements and 5-8 parts of amino acid fertilizer. Comprehensive nutrition is provided for the growth of rice by adding animal manure and plant fibers such as agricultural waste, rice field soil hardening can be broken, the rice field soil structure is improved, rice field soil organic matter and fertility are improved, rice field drainage is facilitated, rice seedling lodging is prevented, and the selenium content in rice is effectively improved; at the same time, the biological bacteria can ferment the animal manure and the plant fibers such as the agricultural waste, so that waste is recycled, and the environment is protected.

The invention belongs to the technical field of nutritional soil, and particularly relates to medium and trace element mineral nutritional soil. The medium and trace element mineral nutritional soil is mainly prepared from attapulgite, humic acid, perlite, kieselguhr, kaolin, zeolite, vermiculite, sodium metaphosphate and plant ash. The preparation method comprises the following steps that S1, theattapulgite, the perlite, the kaolin, the zeolite and the vermiculite are crushed to be 100-200 mesh separately; S2, the attapulgite is subjected to alkali treatment; S3, the attapulgite subjected toalkali treatment is put into a reaction kettle, heat treatment is conducted, and modified attapulgite is obtained; S4, the vermiculite is put into the reaction kettle, heat treatment is conducted, and modified vermiculite is obtained; S5, the crushed perlite, kaolin and zeolite and the modified attapulgite, the modified vermiculite, the humic acid, the kieselguhr, the sodium metaphosphate and theplant ash are weighed and mixed to be uniform, and the medium and trace element mineral nutritional soil is obtained. Accordingly, the medium and trace element mineral nutritional soil has the advantages of being capable of controlling dead seedlings, rot roots and root rot, solving continuous cropping obstacles, increasing the crop yield and improving the farm product quality.