257results about How to "Maintain fertility" patented technology

An organic activating fertilizer is prepared by performing activation fermentation on livestock manure and waste raw materials of industry and agriculture. The organic activating fertilizer comprises, in parts by weight, 30-50% of livestock manure, 30-50% of industrial and agriculture waste, 5-20% of humic acid, 3-20% of an activation powder, 1-5% of a biological soil insecticide, 5-20% of wood chips or waste bacteria packages and 5-15% of magnetized water. The organic activating fertilizer is prepared according to the following steps: mixing livestock manure, industrial and agriculture waste, wood chips or waste bacteria packages and humic acid according to a ratio, crushing to 20-80 mesh, adding the activation powder and the biological soil insecticide into the crushed raw materials, mixing, adding the high-energy magnetized water, stirring uniformly by employing a stirrer, performing physical fermentation on the uniformly-stirred fertilizer for 20-30 days, drying and granulating. The organic activating fertilizer is abundant in organic matters and nutrient substances essential for crop growth, is easily degradable, is capable of improving soil and keeping soil fertility, also is improved in fertilizer utilization rate, is capable of eliminating pathogenic bacteria and viruses in the raw materials and pollution of heavy metal residues to products and environment, and is capable of protecting ecological environment.

The invention provides an irrigation area field water-saving intelligent irrigation system, comprising: a server; a weather station connected to the server through a communication network and used to transmit irrigation area weather information to the server; irrigation data collection control terminals arranged in irrigation areas and communicated with the server through the communication network; a sprinkling irrigator; a water pump provided with a water pump electromagnetic valve arranged on the water pump to control start or stop of the water pump. The irrigation area field water-saving intelligent irrigation system can provide real-time automatic detection for the soil state of an irrigation area, proper irrigation is carried out according to the current soil state, automated intelligent irrigation is provided according to circumstances, and water is saved; labor is saved, irrigation quality is ensured, and the healthy growth of vegetation in the irrigation areas is ensured.

The invention discloses a leaf-cutting propagation method for succulent round-leaf Aeoniumarboreum. The leaf-cutting propagation method includes the following steps: 1, soil is prepared, wherein culturing soil comprises Akadama soil, bamboo charcoal, sphagna, vermiculite, peat soil, fermented rice hull coal, pelelith, active carbon and slow-release fertilizers; 2, round-leaf Aeoniumarboreum stock plants are irradiated by an ultraviolet lamp three times, wherein the duration of each time of irradiation ranges from 3 hours to 4 hours, and the three times of irradiation are carried out at one-day intervals; 3, leaves of the round-leaf Aeoniumarboreum stock plants in the step 2 are slightly broken off and placed at shady, cool and ventilating positions to be aired two to three days to enable fractures to be dried through airing; 4, the leaves dried through airing in the step 3 are placed on the culturing soil in the step 1 with the back faces of the leaves downward, the sides, provided with the fractures, of the leaves are slightly pressed with fingers to enable the leaves to be slant, and the fractures are tightly attached to the surface of the vermiculite; 5, after roots are grown from growing points at the fractures of the leaves, a layer of coarse gravel with the particle diameters ranging from 1 mm to 3 mm is scattered on the culturing soil. By means of the method, the leaf hydration probability is lower than 3%, and the survival rate of new plants can reach 97%.

The invention relates to an organic bank-soil leaching system for repairing heavy metal and petroleum soil contamination. The organic bank-soil leaching system for repairing heavy metal and petroleum soil contamination comprises an organic bank system, a nutrient-water adding and leaching system, an air feeding system and a liquid-gas collecting and processing system. A soil pile body base layer is composed of at least one base layer unit. An inputting pipe net is evenly laid above a soil pile body. Nutrient solution and leaching agent adding tanks alternately convey a nutrient solution, water and a leaching agent to the inputting pipe net. Leachate collecting troughs are laid in the centers of the base layer units. The base layer units incline from the periphery to the leachate collecting troughs. Leachate and gas extraction patterned pipes are arranged in the leachate collecting troughs. Air feeding pipes are inserted in the soil pile body and matched with the leachate and gas extraction patterned pipes to form air flowing circulation in an organic bank. Through reasonable combination of the organic bank and soil leaching, the organic bank-soil leaching system is simplified, different soil pollutant combinations can be effectively repaired, and the original use functions of soil are kept.

The invention relates to a soil improvement method, in particular to a soil improvement method for planting blueberries. The method mainly solves the technical problems that existing blueberry planting soil improvement measurements affect soil organism conditions, are high in cost and have toxic action on blueberry roots. The method includes the steps that firstly, fermented furfural residues are evenly applied to soil to be improved in summer, and turning plough is performed to make the fermented furfural residues and the soil fully mixed; secondly, after 1-1.5 months, peat, saw dust and organic fertilizer are applied to the soil, and turning plough is performed to make the peat, the saw dust and the organic fertilizer fully mixed with the soil; thirdly, manual weeding is performed; fourthly, soil plowing and ridging are performed in the spring of the next year, and the improvement to the soil for planting blueberries is completed. The pH value of the improved soil is 4.5-4.8, nutrient status of the soil is improved, and the survival rate of transplanted biennial blueberries and the survival rate of six-year-growing-period blueberries can reach 95-96% and 96-97% respectively. The method is used for blueberry cultivation.

The invention discloses a high-yield citrus planting method and belongs to the technical field of agricultural planting. The planting method includes the processes of citrus seedling selection, soil preparation, seedling planting, topdressing after planting, treatment after harvesting of citrus trees and the like. In the processes, a self-made root-inducing and sterilization solution is used for treating root systems of seedlings, a soil amendment is used for improving the soil environment of citrus tree planting, and planting a fertilizer serves as a base fertilizer of citrus trees. The planting method is scientific and reasonable, simple, easy to implement and convenient to manage, the fertilizer used in the planting process is rich in nutrient, does not contain chemical additives, does not contaminate soil and the citrus trees and is safe and reliable, the survival rate of the citrus trees in the planting process is high, the citrus yield is high, citrus production is stable, and the method is remarkable in social benefit, economic benefit and ecological benefit.

The invention discloses a citrus planting method and belongs to the technical field of agricultural planting. The planting method comprises the processes of citrus nursery stock selection, land preparation, nursery stock planting, topdressing after planting, processing after citrus harvesting and the like, a home-made soil improvement agent is used in the process to improve soil, and a planting fertilizer is used as a citrus base fertilizer and a leaf fertilizer for topdressing in the citrus growing and fruit bearing process. The citrus planting method is scientific, reasonable, simple, easy to operate and convenient to manage, the fertilizers used in the planting process are rich in nutrition, do not contain any chemical additive, do not contaminate soil and citruses and are safe and reliable, the citrus planting method has remarkable social benefits, economic benefits and ecological benefits, and the citruses are high in survival rate and stable in fruit output and fruit yield in the planting process.

The invention relates to the technical field of agriculture ecology, in particular to an ecological comprehensive utilization system for livestock breeding feces. The system comprises a movable of detachable livestock breeding shed, a dry and wet separation device, an anaerobic fermentation device, a discharging and dewatering device, a biogas power generation device and a vegetable and fruit treeplanting area, the feces is separated into day feces and biogas slurry by the dry and wet separation device, the biogas slurry is used for anaerobic fermentation, the day feces is used for compost, and generated manure is transported to the vegetable and fruit tree planting area and utilized. The system is high in automation degree, operating investment and running cost are reduced, the resourceutilization efficiency of agricultural and pastoral waste is improved, a livestock breeding park with a closed energy structure can be built by the system, a circular agriculture industry chain is achieved, rural straw gasification clean energy is utilized, comprehensive utilization of village or enterprise livestock breeding waste is achieved, the system can be truly implemented and normally run,waste materials are truly changed into things of value, and due contribution is made to 'beautiful villages, wealthy framers and strong agriculture'.

The invention discloses a camellia soilless culture substrate which is mainly prepared from the following raw materials of perlite, coco coir, peat, vermiculite, pine bark, biogas residue, bagasse powder, chicken manure and additive, wherein the additive is diluted pyroligneous. The camellia soilless culture substrate can provides microelements required in a camellia growth process, can keep fertilizer efficiency, has excellent breathability, has good water retention, is a particle material and not prone to hardening, effectively prevents microorganisms obstructing orchid growth from multiplying, has light character and is convenient to use; in addition, a PH value of the camellia soilless culture substrate is neutral and close to acidity, so that camellia growth is beneficiated; organic waste of the coco coir, the pine bark, the biogas residue, the bagasse powder, the chicken manure and the like is utilized as the main raw materials, so that environmental pollution is reduced, waste is turned into wealth, and a disadvantage is turned into an advantage; furthermore, a preparation method is simple and convenient to operate.

The invention discloses a special compound fertilizer for rice. The special compound fertilizer is prepared from the following raw materials of 40-50 parts of an organic fertilizer,10-15 parts of straw, 20-30 parts of a nitrogenous-phosphorus-and potassium fertilizer, 3-5 parts of calcium superphosphate, 3-5 parts of ferrous sulfate, 3-5 parts of zinc sulfate, 3-5 parts of hydroxymethylcellulose, and 0.3-0.5 part of a microorganism microbial population. The invention further discloses a preparation method and applying method of the special compound fertilizer. Through a reasonable fertilizer formula, the simple and easy preparation method and the simple and easy applying method, the finally-obtained fertilizer is rich in various constants and micro nutrients, required by the rice. The fertilizer has remarkable effects in the respects of ecological microbial population adjustment, nutrient feeding, fertilizer utilization and the like of soil, so that the fertilizing amount is greatly reduced, and the cyclic utilization, the low carbon and the high efficiency of the straw are realized. Soil organic matters are markedly increased, the farmland fertility is persistently maintained, the agriculture point source pollution is reduced, the farmland biological diversity is effectively protected, the water resources and the ecological environment of local valleys are effectively protected, and the agricultural sustainable development is promoted.

The invention discloses an organic-inorganic compound fertilizer. The compound fertilizer mainly comprises an organic fertilizer generated by harmlessly treated organic matter in effective component, wherein the organic fertilizer generated by the harmlessly treated organic matter comprises the following components in weight ratio: 30-65 percent of high temperature compost, 5-30 percent of nitrogen fertilizer (by available nitrogen) and / or 1-20 percent of potassium fertilizer (by available potassium), and / or 5-30 percent of phosphorus fertilizer (by available phosphorus) and the balance allowable and acceptable other aids and stuffing. According to the organic-inorganic compound fertilizer disclosed by the invention, soil can be effectively loosened, and the foundation fertility of the soil can be kept, and moreover, the synthesis of the plant chlorophyll is obviously promoted, the photosynthesis is enhanced, carbohydrate is favorably synthetized, and the yield is increased. Compared with common chemical fertilizers, the yield can be increased by at least 166kg, the production value per mu is increased by at least 350yuan, and the economic benefit is considerable.

The invention provides a remediation method of alkaline soil, and relates to the technical field of soil improvement. The method comprises the steps of (1), soil preparation; (2), soil loosening agentapplication; (3), soil improving fertilizer application. According to the method, the alkaline soil is restored through the steps of soil preparation, soil loosening agent application, soil improvement fertilizer application and the like to reduce soil alkalinity, improve soil characteristics, loosen soil, increase soil fertility to gradually improve soil alkalinization, soil sterilization and fertilizer addition are conducted while the soil alkalinity is reduced, and the method is a remediation method which has the effects of alkaline soil conditioning agent and value improving and synergism.

The invention discloses a planting method for improving orange yield, and belongs to the technical field of agricultural planting. The planting method includes the process of orange seedling selection, land sorting, seedling planting, top dressing after planting, treatment after orange tree harvesting and the like, root systems of seedlings are treated by self-made root-inducing sterilizing solution in the process, soil is improved by soil improvement agents, and leaf fertilizers are used for topdressing in the growing and bearing process of orange trees. The planting method is scientific, reasonable, simple, easy, convenient in management, safe and reliable, and has remarkable social, economic and ecological benefits, the fertilizers used in the planting process are rich in nutrient and free from any chemical additives, pollution to the soil and the orange trees cannot be polluted, and the orange trees in the planting process are high in survival rate, high in fruit yield and stable in fruit output.

The invention discloses a system and a method by utilizing a fuel cell to treat organic wastewater and synchronously repair heavy metal in soil. The system comprises a microbiological fuel cell, a data acquisition regulation and control device and a soil electrodynamic remediation device. One end of the data acquisition regulation and control device is connected with an anode unit and a cathode unit through lead wires correspondingly; the other end of the data acquisition regulation and control device is connected with a negative electron and a positive electrode through lead wires correspondingly; and the data acquisition regulation and control device is used for acquiring a voltage signal generated by the microbiological fuel cell and for regulating and controlling the magnitude of electric current received by the soil electrodynamic remediation device. By utilizing the microbiological fuel cell to treat organic wastewater, wastewater is treated, and electric energy is generated to remove the heavy metal in the soil; the system and the method do not damage a soil structure and the organic content in the soil is not affected; and at the same time, the data acquisition regulation and control device is adopted, so that the electric energy utilization efficiency of the microbiological fuel cell is improved effectively and the removal rate of the heavy metal in the soil is reduced.

The present invention belongs to the field of slow-release fertilizers, and specifically discloses a melon high-efficiency slow-release fertilizer with degerming insecticidal effects, the melon high-efficiency slow-release fertilizer with degerming insecticidal effects is characterized by comprising the following components in parts by weight: garlic polysaccharide sulfide derivative, attapulgite, polyvinyl alcohol, a crosslinking agent, polyglutamate hydrogel, mesoporous silica nanoparticles, salicylic acid, toosendanin, pyrethrum, tea polyphenols, composite microbial agents, sodium selenite, compound sodium nitrophenolate, viscous konjac flour, residue of furfural, brown sugar residue, and amino acids and the like. The garlic polysaccharide sulfide derivative and the attapulgite are used as basic coating materials, the micron size composite hydrogel prepared from the polyglutamate hydrogel and different sizes of mesoporous silica nanoparticle matters are added into the coating materials, the pore size of the coating materials are enriched, the dynamic slow-release performance and nutrient use efficiency of the fertilizer are improved, the fertilizer efficiency regulation property is ensured, the melon high-efficiency slow-release fertilizer promotes the melon to absorb and utilize different nutrients, and promotes the efficient cultivation.

The invention discloses a compounded organic fertilizer and a preparation method therefor. The compounded organic fertilizer is prepared from the following raw materials in parts by weight: 30-50 parts of livestock and poultry manure, 10-15 parts of industrial and agricultural wastes, 3-5 parts of humic acid, 3-5 parts of activating powder, 4-6 parts of magnetized water straws, 2-4 parts of peat soil, 0.3-0.5 part of middling, 5-15 parts of soybean meal, 10-15 parts of rice hull powder, 1-5 parts of strain powder, 3-5 parts of urea, 4-6 parts of polyacrylamide, 0.1-5 parts of sodium glutamate, 0.1-5 parts of sodium alginate, 10-14 parts of monoammonium phosphate and 10-16 parts of potassium sulfate. According to the preparation method, the compounded organic fertilizer is prepared through firstly, preparing crushed materials from part of the raw materials, then, adding the remaining raw materials into the crushed materials, carrying out uniform stirring, then, carry out physical fermentation for 20 to 30 days, and then, carrying out drying and granulating. The compounded organic fertilizer is rich in organic substances and nutrients required for crop growth, is easy to decompose, is used for amending soil and can be used for improving the quality of crops and increasing the yield of the crops.

The invention relates to a microbiological method for detecting heavy-metal cadmium, particularly a construction method of an Escherichia coli engineering strain for detecting cadmium and a method for detecting cadmium in water by using the Escherichia coli engineering strain. The construction method of the engineering strain comprises the following steps: knocking out Escherichia coli cadmium-resistant zntA and zntR genes by using a Red recombination system, and substituting a pmerR-MerR(M)-pmerR-gfpmut2 report gene to the zntR coding gene position by using a gene knock-in technique. The lowest detection range of the engineering strain for cadmium conforms to Sewage Comprehensive Discharge Standard-GB8978-1996. The engineering strain overcomes the defects of high fluorescent background level, poor detection signal and the like in the plasmid-vector-based engineering strain. The engineering strain provided by the invention can be complementary with AAS (atomic absorption spectroscopy) and other physicochemical analysis processes to analyze the biological availability and total amount of the cadmium, thereby providing references for objective evaluation on biological toxicity of the cadmium.

The invention provides an organic fertilizer for corn and belongs to the technical field of crop fertilizers. The organic fertilizer for corn comprises the following ingredients (by weight): 20-30 parts of kelp waste, 20-30 parts of orange peel residue, 10-20 parts of rapeseed cake, 10-20 parts of mushroom dregs, 15-25 parts of dried animal manure, 8-10 parts of organic fertilizer starter, 10-15 parts of wormcast, 10-15 parts of diatomite and 3-4 parts of mineral fertilizer. The organic fertilizer is obtained after the above raw materials are fermented. Through scientific compatibility, utilization rate of fertilizer nutrients is guaranteed. The organic fertilizer for corn can provide trace elements for corn and also can maintain soil fertility and keep microbial balance to reduce soil disease and make soil to be loose and breathable, and plays a synergistic effect of slow-release of nutrients. By the utilization of various wastes, environmental pollution is reduced. The organic fertilizer for corn has long fertilizer efficiency and high nutrient utilization rate, is safe, environment friendly and nuisanceless, can provide corn yield, and has good economic benefit.

The invention provides a crop straw based culture medium and a making method thereof. The crop straw based culture medium comprises the following steps that 1, the crop straw moisture is adjusted, beneficial mixed bacteria are added to crop straws, and uniform stirring is performed; 2, material piling is performed, and the material is covered with a black plastic film after piling to perform anaerobic fermentation; 3, the plastic film is uncovered, compound bacteria are scattered, and pile turnover is performed to begin to perform aerobic fermentation; 4, during the aerobic fermentation, super absorbent resin and rare earth nitrate are added, and even stirring is performed to break the material, namely the crop straw based culture medium is obtained. The crop straw based culture medium contains the beneficial bacteria, can maintain soil fertility, effectively restrains root diseases, effectively promotes crop growth, contains the super absorbent resin, improves the water-retention rate and fertilizer-retention rate of soil and is added with the rare earth nitrate to promote crop growth, nitrogen, phosphorus, potassium, calcium, magnesium, organic matter and the like of the crop straws are utilized fully, waste is turned into wealth, and the cost of the medium is reduced.

The invention discloses a treatment method for converting acidic tailings into soil, and belongs to the technical field of ecological restoration. The method comprises the following steps that biomasswaste and the acidic tailings are separately aired, crushed and sieved; the biomass waste and the acid tailings are carbonized to obtain a carbide; the carbide is uniformly spread on the waste land of the strong acid tailings, a certain amount of compound fertilizer, organic fertilizer and artificial soil are added into the carbide, and the mixture is uniformly mixed; and stress resistance trees,shrubs and herbaceous plants are selected to be planted. According to the method, the biomass waste such as straws are fully utilized, so that soil fertility is increased; meanwhile, carbonization isconducted to promote thermal weathering of the tailings, and the conversion of the tailings into the soil is accelerated, so that the ecological restoration is accelerated; and fine charcoal is wrapped around the acid tailings to isolate sulfur from being in contact with the air, so that generation of an acid liquid is reduced.

The invention discloses a high-yield and high-survival rate citrus planting method and belongs to the technical field of agricultural planting. The planting method includes the procedures of citrus seedling selection, soil preparation, seedling planting, topdressing after planting, treatment after harvesting of citrus trees and the like. In the procedures, self-made root-inducing sterilizing solution is adopted to treat the root systems of seedlings, a soil improvement agent is used for improving the soil environment of planting of the citrus trees, a planting fertilizer serves as a base fertilizer of the citrus trees, and a soil conditioner is adopted to improve the soil properties after planting. The planting method provided by the invention is scientific, reasonable, simple and easy to implement, and management is convenient; fertilizers used during planting are rich in nutrition, no chemical additive exists, pollution to the soil and the citrus trees is avoided, and safety and reliability are achieved; and the survival rate of the citrus trees during planting is high, the fruit output is high, fruit bearing is stable, and the social benefits, economic benefits and ecological benefits are remarkable.

The invention discloses a harmless treatment method of pigs died from diseases. The harmless treatment method comprises the following steps of: carbonizing, extracting, and carrying out prefermentation and fermentation, cleaning and crushing the pigs died from diseases, and then carrying out high-temperature and high-pressure carbonization to prepare oil and residue; after the oil is extracted, obtaining industrial oil; carrying out mixed fermentation on prefermented rice bran, wood dust, cotton stalks and corncobs with carbonized residue of the pigs died from diseases and calcium superphosphate to obtain fertilizer. The harmless treatment method disclosed by the invention has the beneficial effects that flue gas is adsorbed and dedusted after quenching and deacidification, and finally isexhausted after reaching the standard; after the pigs died from diseases are treated by high-temperature and high-pressure carbonization, the oil is separated from protein, bone and phospholipid and the like, so that no pollution is generated to the environment; due to the prefermentation step, the fermentation efficiency can be improved, the treatment time of the pigs died from diseases can be shortened, and the loss of nitrogen can be reduced; meanwhile, the pigs died from the diseases are transformed into the fertilizer with strong fertility, so that not only is the ecological environment protected, but also wastes can become valuables, and the economic value can be increased.

The invention belongs to the technical field of plant biology, and particularly relates to a cherry orchard sod culture method. The cherry orchard sod culture method comprises the following steps of selecting seeds, removing weeds, seeding bahia grass, seeding, fertilizing and watering, cradling and regenerating and seeding astragalus sinicus. By the configuration of a first compound fertilizer and a second compound fertilizer which have functions of nutrition and fermentation, degradation and utilization of herbaceous plant metabolite are benefited, soil environment is further improved, soil fertility is greatly improved, and cherry growing environment is improved. The first compound fertilizer and the second compound fertilizer in which triacontanol is added are applied in the process of orchard sod culture, the bahia grass and the astragalus sinicus are cultured by stages, soil can be guaranteed to be in a sod culture stage all the year around, the capacity of preventing drought and waterlogging of a cherry orchard is improved, the soil fertility of the cherry orchard is not affected, the ecological environment of the cherry orchard is enriched, a large number of bacterial parasites are generated, the number of natural enemies of pests is increased, spreading of the pests is restrained, and a relatively lasting ecological system of the cherry orchard is formed.

The invention discloses 41% glyphosate and a preparation method thereof. According to the invention, biological fulvic acid or a mixture of biological fulvic acid and water, and a nutrient substance potassium fulvate are added to glyphosate isopropylamine. The method comprises technological steps that: a glyphosate isopropylamine mother liquor, water, and alkyl polyglucoside are mixed and stirredfor half an hour; potassium fulvate is added to the mixture, and the mixture is stirred for 1 hour; when the mixture is uniform, the mixture is screened by using a sieve of 800 meshes, such that a finished product is obtained. According to the invention, fulvic acid substances and glyphosate isopropylamine are used in combination, such that other toxins left in soil can be ameliorated. Therefore,fertility of the soil can be maintained, and crop growth can be promoted. The adhesion force and the rapid absorbing capacity of plant roots can be reinforced. Especially, 41% glyphosate provides a substantial effect against physiological diseases caused by the shortage of trace elements.

The invention discloses a grass-growing cultivating mode of a macadamia integrifolia orchard. The grass-growing cultivating mode comprises the following steps of constructing an orchard and performingplanting; performing fertilizing management; performing water management; performing leader branch cutting and performing trimming; performing extermination of diseases and insect pests; and performing grass growing in the orchard. According to the grass-growing cultivating mode disclosed by the invention, in accordance with the characteristics that in China, macadamia integrifolia is mainly planted in mountainous regions and hilly regions, and the row spacing between plants is large, orchard grass growing management is performed on the orchards; and besides, cultivation management of soil, water and fertilizers and the like is optimized, a macadamia integrifolia cultivating mode which is high in per mu yield, and can effectively exterminate diseases and insect pests, and take account ofprevention of soil erosion is provided, and the cultivating mode has important significance on accelerating the development of the macadamia integrifolia, enlarging the planting area and improving incomes of peasants.

The invention relates to the field of an artificial planting technology of endangered medicinal plants, and particularly relates to a soil-accumulating and grass-covering artificial planting method of rhizoma bletillae. The invention aims to solve the defects of the artificial technology such as high cost, large difficulty and low output of the rhizoma bletillae planting and provides the artificial planting method for increasing the output of the rhizoma bletillae. The soil-accumulating and grass-covering artificial planting method of rhizoma bletillae, provided by the invention, is characterized by comprising the steps of handling seed stems, accumulating the soil and ridging, weeding and covering grasses, managing fertilizers, and hilling for overwintering. Compared with the prior art, the artificial planting method provided by the invention increases the output by more than 30%, and the rhizoma bletillae can be harvested by a year in advance, and thus the product quality is obviously improved.

The invention discloses a fertilizer special for corn, which is composed of the following components: ammonium sulfate, urea, monoammonium phosphate, calcium superphosphate, calcium magnesium phosphate, potassium chloride, borax, trace element amino acid chelate, nitrohumic acid, amino acid, biological preparation, biological synergist, and conditioning agent. Compared with the prior fertilizer, the fertilizer special for corn can raise a sugar content of fruits, can shorten a mature period, can increase output, can save labor force cost, can alleviate pollution of underground water, can ensure grain and foodstuff safety, and can raise product quality.

The invention relates to a pull-type fertilizer spreader. The pull-type fertilizer spreader comprises a rack, walking wheels arranged on the lower portion of the rack, a fertilizer box arranged on the upper portion of the rack and a fertilizer spreading device arranged on the rack, wherein the fertilizer spreading device comprises a fertilizer conveying mechanism arranged under the fertilizer box, a fertilizer outlet control mechanism arranged behind the fertilizer box and a fertilizer spreading mechanism arranged below the fertilizer outlet control mechanism, and the fertilizer conveying mechanism comprises a conveyor belt assembly which is arranged below the fertilizer box and directly makes contact with fertilizer in the fertilizer box. According to the pull-type fertilizer spreader, the fertilizer in the fertilizer box can be conveyed more precisely in the use process according to the walking speed of the fertilizer spreader, and conveying of the fertilizer in a large-capacity fertilizer box can be achieved. In addition, fertilizer conveying can be stopped when the fertilizer spreader stops moving forwards, and waste of the fertilizer is avoided.

The invention provides a soilless cutting propagation method for Chinese roses, and belongs to the technical field of Chinese rose cultivation. The soilless cutting propagation method for the Chinese roses comprises the following steps of 1 seedling bed manufacturing, wherein an arched shred is built, a plurality of bed pools are made in the arched shred through partitioning of mud walls, crop straw is uniformly laid at the bottoms of the bed pools, fine sand is uniformly spread on the crop straw, the surface of the fine sand is leveled, and then seedling bed manufacturing is completed; 2 cutting, wherein cutting branches are disinfected with a potassium permanganate solution with the mass ratio of 1:(1,000-1,200) and then soaked in a carbendazim solution with the mass ratio of 1:(1,200-1,500) for 10-15 min, the cutting branches are taken out to be aired and then cut into seedling beds, the seedling beds are watered after cutting is finished, and the shred is sealed; 3 cultivating. According to the method, the cutting density is high, cutting is easy, the cutting survival rate is high, roots are not damaged during seedling lifting, the variety purity is high, and the transplanting survival rate is high.

The invention discloses a super rice special fertilizer and a preparation method thereof. The special fertilizer comprises the following components in percentage by weight: 12.5 percent of nitrogen, 6.0 percent of phosphorus, 10.0 percent of potassium and 20.0 percent of biological organic fertilizer. The super rice special fertilizer can be used for obviously reducing the fertilizer applying quantity to rice, reducing pests and the discharge of farmland water pollutants, improving the fertilizer utilization rate, increasing the fertility of soil, maintaining the equal output or the increase production of the rice output and obviously improving the economic benefit of rice planting. Through using the super rice special fertilizer for the super ric and matching a concentrative fertilizing technology, the application frequency is effectively reduced, the labor cost can be saved, the content of organic matters in the soil can be increased, and the sustainable development of the rice field ecological system can be realized.