137 results about "Guano" patented technology

This invention belongs to new style green technology region, concretely relates to a method of using sludge organic matter to advance biologic dephosphorization effect of sewage. Excess sludge at basicity condition is carried out anaerobic fermentation to produce organic acid; adopt guano precipitation means to reclaim nitrogen and phosphorus of organic acid; add the treatment fluid after reclaiming nitrogen and phosphorus to municipal sewage, under anaerobic-aerobic condition aerobic conditito carry out biological sewage treatment,through solid-liquid separation, the out water reaches the mark and is discharged. This invention through the method of adding excess sludge broth to sewage, not only advance the ability of microbe of synthesizing poly- hydroxy valeric acid(PHV)under anaerobic condition, advance availability of poly- hydroxy eicosanoic acid, decrease glycogen metabolization quantity, in favor of maintaining higher dephosphorization effect at aerobic condition, reduce phosphorus concentration in the out water, prevent water substance eutrophication occurring, but also decrease sludge volume, thereby decrease sludge treatment cost and pollute to environmental.

The invention relates to the technical field of biological fish guano and discloses a biological composite fertilizer aqua and a production method thereof. The biological composite fertilizer aqua comprises chicken manure / cow dung, unite bran, a decomposition microbial inoculum, inorganic fertilizer, domestic fungus slag, calcium superphosphate, trace elements, soybean meal / rapeseed meal, bacillus subtilis, actinomyces and photosynthetic bacteria as raw materials. The production method comprises the following steps of carrying out mixing fermentation on chicken manure / cow dung, unite bran and a decomposition microbial inoculum to obtain thoroughly decomposed organic fertilizer, fully mixing the thoroughly decomposed organic fertilizer and other raw materials, and carrying out secondary fermentation, drying and split charging. The biological composite fertilizer aqua is efficient, superior and eco-friendly fish guano which is obtained by combination of a plurality of beneficial microbial florae, organic fertilizer and inorganic fertilizer and is added with a plurality of medium trace elements. The production method of the biological composite fertilizer aqua is simple, has simple and easily-controllable processes and has a low cost. The biological composite fertilizer aqua has good quality, can fast improve water fertility and purify water, realizes combination of fertilizer and feed, has high comprehensive income, improves fish immunity and improves product quality.

The invention discloses biological enzyme fish guano and a preparation method thereof, relating to the technical field of biological fish guano and preparation thereof. The biological enzyme fish guano comprises the following components: 300 parts of oil cake, 300 parts of chicken dung, 100 parts of rice bran, 100 parts of bone meal, 100 parts of shale, 50 parts of calcium superphosphate, 50 parts of urea, 10 parts of enzyme expansion bacteria, 6 parts of brown sugar and 1 parts of trace elements. On one hand, the biological fish guano can be used for killing harmful bacteria in a fish pond, inhibiting the propagation and growth of pathogenic bacteria in a water body, reducing diseases; and on the other hand, the biological fish guano can be used for breeding beneficial algae in an oriented way, supplying natural fry baits, recovering physical conditions of fishes as soon as possible, and simultaneously improving concentration of water in the pond, has a heat preservation effect and can effectively prevent the huge influence of external changeable weathers, such as the unfavorable influence of cold spell in later spring to the fries. Fishes cultivated with the biological enzyme fish guano are natural and ecological, and have long freshness retaining period, natural taste, wild forms, high yield and delicious flesh.

An efficient organic fertilizer for aquatic culture is prepared from monoammonium (or biammonium) phosphate, peat and trace elements through proportioning, pulverizing and mixing. It can be used to culture the phytoplankton, zooplankton and useful algae, which can be used as biological feed, and prevent disease of fish.

An efficient inorganic fertilizer for aquatic culture is prepared from monoammonium (biammonium) phosphate, ammonium chloride or urea, and trace elements through proportioning, pulverizing and mixing. It can be used to culture the phytoplankton, zooplankton and useful algae, which can be used as biological feed.

The invention relates to a pre-filming MAP filler which can improve the crystallization sedimentation performance of MAP (struvite) and a preparation method. The pre-filming MAP filler and the preparation method are characterized in that porous particles such as waste zeolite, waste active carbon, coke, fly ashes, etc. are used as carriers, magnesium, phosphate and ammonia-nitrogen are used as raw materials, the mol ratio among N, P and Mg is 1:1:1.0 to 2.0, and an MAP film is formed on the surface of the carriers through fluidized reaction. The filler is put in ammonia-containing phosphorus wastewater, so the crystallization sedimentation performance of the MAP (struvite) on the surface of the pre-filming filler can be enhanced obviously; the test shows that the crystal nucleus growth velocity is increased about 20 percent compared with a common amorphous filler carriers. In addition, the carriers are pre-filmed, thereby being beneficial for the MAP film-forming and increasing the firmness of the film. The pre-filming MAP filler and the preparation method adopt external circulation fluidized reaction to prepare the pre-film, and the friction between the carriers is reduced, thereby being also beneficial for the film-forming on the carriers. Air is added before reaction for pressurizing, thereby being beneficial for the formation of the porous pre-filmed MAP carriers and increasing the porosity of the pre-filmed carriers obviously.

The invention provides a special organic-inorganic composite biological pesticide-fertilizer for tea. The special organic-inorganic composite biological pesticide-fertilizer for tea is characterized by comprising the following raw materials in parts by weight: 70-90 parts of urban domestic garbage, 10-15 parts of guano, 5-8 parts of bone meal, 4-6 parts of gelatin, 20-25 parts of tree ash, 20-25 parts of modified diatomite, 5-10 parts of monoammonium phosphate, 12-15 parts of urea, 12-15 parts of mineral slag, 5-10 parts of potassium chloride, 3-5 parts of paulownia sawdust, 10-12 parts of animal hair, 3-5 parts of sclerotium mylittae, 3-5 parts of betelnut, 3-5 parts of herba artemisiae scopariae, 5-8 parts of radix sophorae flavescentis, 3-5 parts of radix scutellariae, 10-15 parts of sodium fulvate, 3-5 parts of peat, 0.08-0.12 part of ammonium molybdate, 1.5-2.5 parts of ferrous sulfate, 0.7-1.0 part of copper sulfate, 0.8-1.2 parts of borax and 0.1-0.2 part of EM (effective microorganism) strain. The pesticide-fertilizer disclosed by the invention has the advantages of scientific ratio of nitrogen, phosphorus and potassium, easiness in absorption by crops, obvious yield-increasing benefit and the like. By applying the pesticide-fertilizer, the nutrient absorption of trees can be balanced, the tea quality can be effectively improved and the taste of the tea can become thick.

The invention provides a multifunctional microorganism organic fish guano. According to a prescription, the multifunctional microorganism organic fish guano comprises the following components in percentage by weight: 25 to 30% of high-protein organic matters, 2 to 5% of compound microorganism bacteria, 8 to 10% of amino acid, 5 to 8% of fulvic acid salt, 25 to 30% of inorganic nitrogenous fertilizer, 15 to 20% of inorganic phosphate fertilizer, 2 to 4% of inorganic potassium fertilizer, 0.5 to 2% of trace elements, and 3 to 6% of zeolite powder; the high-protein organic matter are mainly prepared from poultry excrements, agricultural wastes and rot promoting bacteria by the fermenting process. The preparation method is characterized in that the components as shown in the prescription are overturned and fermented, uniformly mixed, crushed and sieved to prepare the fish guano. The fish guano brings complete and rich nutrition for fish, inhibits fish diseases, improves water quality as well as increases dissolved oxygen in water.

The invention provides a production method of a microbial fish guano. The production method comprises the following steps: fermenting materials, drying, crushing, and adding inorganic fertilizer and solid photosynthetic bacteria. Because all the organic fertilizers are fermented, the invention has a good water solubility and can fast culture pelagic organisms in the water substance, thereby providing adequate feedstuff to fishes and shrimps; the invention improves the culture water environment, and reduces the harmful substances in water, such as ammonia, nitrogen, nitrite, hydrogen sulfide and the like; the invention can realize the intensive alternate-breeding culture and greatly increase the yield per unit culture area, and the yield can be increased by more than 40% based on the current service condition; and the invention has the advantages of low cost, safety, high efficiency, environmental friendliness and no pollution, thereby ensuring the production of pollution-free green food.

The invention relates to a triple dust removing device of a solar photovoltaic panel, and belongs to the technical field of dust removal of solar photovoltaic panels. The triple dust removing device comprises a first dust removing system, a second dust removing system, a third dust removing system, a rail system, a water storage and supply system, a pipe collection and release system and a photovoltaic module system; and the first dust removing system, the second dust removing system and the third dust removing system are connected into a whole, and are mounted on the surface of the photovoltaic module system through the rail system. The work of a water pump, an air blowing machine, an air sucking machine, a driving motor and a stepper motor is controlled by virtue of a circular working circuit, so that timing and circulation of the device is realized; a limiting switch is adopted to control a motion trajectory of the device, and in combination of a manual water storage mode to store water in a water tank, so that it is guaranteed that the device can effectively remove dirt such as deposited ash and guano on the surface of the solar photovoltaic panel; damage of the solar photovoltaic panel due to the hot spot effect is avoided; and the power generation efficiency is further improved, and the economic loss is reduced.

The invention relates to a method for acquiring a denitrified carbon source, particularly a method for acquiring a denitrified carbon source by fermenting surplus sludge. The method comprises the following steps: 1. carrying out ultrasonic pretreatment on surplus sludge, and fermenting; and 2. aerating the supernatant generated after fermentation, and treating the supernatant by a guano process, wherein effluent water of a reaction tank is the denitrified carbon source acquired by fermenting surplus sludge. The raw material adopted by the method is waste in municipal sewage plants, and therefore, the invention achieves the purpose of changing waste into resources; sludge generated in the sewage plants is treated on the spot to produce a carbon source, thereby saving the transportation expenses; surplus sludge after fermentation is converted into harmless substances, the amount of the sludge is reduced, and the surplus sludge can be further composted or fermented to produce methane or can be landfilled, thereby facilitating the subsequent treatment and lowering the cost; when being used as a carbon source, the generated sludge supernatant has the advantages of high content of short chain fatty acids and high C / N ratio; and the effluent water of the reaction tank can be directly transmitted into a denitrification reaction tank and used as a carbon source.

The invention discloses a soil-improving continuous-cropping-resistant compound fertilizer for vegetables. Raw materials of the compound fertilizer comprise, by weight, 10-15 parts of urea, 10-12 parts of ammonium nitrate, 15-20 parts of potassium phosphate, 10-15 parts of calcium magnesium phosphate fertilizer, 3-5 parts of potassium sulfate, 1-3 parts of calcium chloride, 2-4 parts of carbonized rice husk, 3-5 parts of peat, 1-3 parts of attapulgite, 5-8 parts of guano, 15-20 parts of Chinese medicine residue, 10-15 parts of soybean meal, 10-20 parts of plant ash, 3-5 parts of EM bacterial powder and 8-10 parts of polyvinyl alcohol. The invention also discloses a preparation method of the above soil-improving continuous-cropping-resistant compound fertilizer for vegetables. The compound fertilizer has rich nutrients. through cooperation of organic fertilizer, carbonized rice husk, peat, attapulgite, EM bacterial powder and polyvinyl alcohol, the product helps improve soil, adjust soil pH and maintain soil fertility from three aspects of water retention, air permeability and fertilizer efficiency maintenance. With the cooperation of the Chinese medicine residue, the product helps inhibit and kill insect disease, promote healthy growth of vegetables and avoid continuous-cropping and insufficient nutrition of vegetables.

A preparing method of a long-acting organic fertilizer is provided and belongs to the technical field of agrochemistry. According to the method, a humus forming amount is increased through raw material formula regulation, microbial inoculum improvement to inhibit acidification and ammonification, an aerobic compost fermentation process is accelerated through equipment of a compost process, and ammonia nitrogen in fermentation tail gas is recovered to prepare guano phosphorite. The method has characteristics of high innovation, simple steps, a low equipment investment, and convenient preparation, and the produced organic fertilizer is stable and long-acting in fertility, high in humus contents and good in environment benefit and has good popularization value.

The invention discloses a fertilizer rich in nitrogen and phosphorus and a preparation method thereof. The fertilizer is prepared by using 1.4 to 1.7 parts by mass of magnesium hydroxide, 2.4 to 7.4 parts by mass of phosphate, water, 2.1 to 2.2 parts by mass of urea, 39 to 41 parts by mass of straw and 50 to 53 parts by mass of manure as raw materials and comprising the following steps of: (1) mixing the magnesium hydroxide and the phosphate with the water for preparing emulsion; (2) mixing the emulsion of step (1) and the urea with compost materials and then statically closing and fermenting for obtaining the fertilizer, wherein the compost materials are the straw and the manure; and the parts by mass of the straw and the manure are both dry weight. The fertilizer has simple operation and easy execution and is suitable for composting rubbish, manure and the like. By using the method for composting, nitrogen loss and odor are reduced, the fertilizer effect of composting products is increased, the fertilizer containing guano is finally obtained, and the composting quality is enhanced.

A method is provided for manufacturing a liquid nitrogen fertilizer from organic wastes and manures, in which nitrogen is extracted as an aqueous ammonia, and further concentrated, and eventually converted to nitrate in a biological reactor. The method may utilize nitrogen rich organic wastes and manures, such as wastewater sludge, slaughter house wastes, broiler layer, and guano, and it is especially suitable for providing a nitrogen fertilizer in organic farming.

The invention belongs to the technical field of agriculture and particularly relates to a base fertilizer for gerbera jamesonii planting and a preparation method thereof. The base fertilizer for gerbera jamesonii planting is prepared from, by weight, 20-30 parts of package material, 10-15 parts of chestnut shells, 10-20 parts of biochar based fertilizer, 10-20 parts of edible fungus culture medium by-product, 10-20 parts of broadly beneficial bacteria, 10-15 parts of yellow sand, 5-15 parts of nitrification inhibitor, 5-15 parts of molasses fermentation waste, 5-15 parts of sawdust, 5-15 parts of bamboo vinegar fluid, 3-10 parts of slag, 1-10 parts of bat guano and 1-10 parts of compound fertilizer. The fertilizer is reasonable in composition and contains a variety of elements, trace elements and organic matter, the obtained base fertilizer is homogeneous in nutrition proportion, further has a certain insect repellent ability, can slowly release nutrients and ensures that gerbera jamesonii moderately absorbs the fertilizer in the growth process and grows in balanced mode, grown leaves are large and grown branches and leaves are uniform, ornamental and decorative values are improved, and further the economic benefits are further increased. The preparation method is simple and is easily understood.

The invention discloses a mobile fermentative fertilizer preparation apparatus for bird guano. The mobile fermentative fertilizer preparation apparatus comprises a supporting device, a walking device,a box body, a straw crushing device, a guano feeding device, a fermentation additive adding device, an agitating device, a pushing device, a main drive device, a hydraulic discharging device, a biological deodorizing device, an electric instrument box, a hydraulic cover plate and a hydraulic sealing door. According to the apparatus, apparatuses of each process of conventional production lines forraw material crushing, homogenization, fermentation, oxygen supply, moisture regulation, heating and heat preservation, deodorization, conveyance and the like are effectively integrated in a closed aerobic fermentation composting apparatus; not only is an investment decreased and is a floor area saved, but also an operating sanitary condition is ameliorated. Crushed crop straw and a fermentationadditive are mixed with the bird guano; a physical property of the bird guano is adjusted; external abundant high-efficiency fermentative microorganisms are introduced; a fermentative technological condition is optimized, and a fermentation period is shortened.

The invention relates to a selenium-rich compound feed and a method for improving organic selenium in goose bodies by applying the selenium-rich compound feed to feed geese. The method comprises the following steps: 1) adding sodium selenite into the compound feed, thus obtaining the compound feed containing selenium, wherein the compound feed comprises an energy feed, a protein feed, beer lees, fresh fish guano and nutritional feed additives at the weight ratio of (45-55):(10-15):(10-15):(5-7):(16-20); and the using amount of the sodium selenite is one millionth to four millionths of the weight of the compound feed; and 2) by adopting the compound feed containing the selenium to feed the geese of any in days for at least 20 days, so that the content of the selenium in a gizzard, a heart, a liver, meat and blood of each goose body can be improved. As the selenium-rich compound feed adopted in the invention contains an appropriate amount of the sodium selenite, inorganic selenium can be transformed into the organic selenium and further enriched in vivo without influencing the growth of the geese.

The invention belongs to the field of wastewater treatment, and provides a comprehensive treatment method of wastewater generated in production of water-soluble fertilizer from bird guano fermentation liquor. The method comprises the steps as follows: firstly, blowing air into wastewater produced during the preparation of water-soluble fertilizer from bird guano fermentation liquor, removing ammonia nitrogen gas in an air stripping mode; secondly, absorbing the removed ammonia nitrogen gas through a sulfuric acid solution; thirdly, adjusting the pH value of the wastewater subjected to air stripping; fourthly, inoculating the wastewater with adjusted pH value with chlorella at the logarithmic phase, feeding CO2 and air mixed gas into the wastewater, and culturing microalgae. The comprehensive treatment method can not only realize wastewater up-to-standard discharge, but also recycle ammonia nitrogen and produce biomass material, and has double effects of environment protection and resource production. The air blowing and microalgae culture system can simultaneously realize air stripping of ammonia nitrogen and wastewater culture of microalgae, respectively combines four reactors which can be separated independently into two reactors, reduces the occupied area, and saves the economic cost.

The invention discloses a modular installation and plug and play multi-function intelligent rod capable of being used humanly. The multi-function intelligent rod structurally includes a modular intelligent rod and an intelligent automatic umbrella. The multi-function intelligent rod has the following beneficial effects that the modular intelligent rod, a guano automatic clearing device and the intelligent automatic umbrella are designed for solving the problems that an installation hole position and an outlet hole position can only be reserved based on current requirements during production ofa rod body, the positions cannot be adjusted, after production and installation of the rod body, only hoop-type expansion can be conducted, bird droppings block the surfaces of solar panels to affectthe illumination effect, and pedestrians shelter from the rain nowhere on rainy days, a positioning sliding block is vertically inserted into a position clamping sliding groove when installing equipment, after rotation, the equipment is installed on a loading connecting plate, when moving a brushing strip to clean, a horizontal switch push rod is pushed to open a movable door plate to sweep the droppings into a temporary storage tube, on rainy days, an automatic holding and folding rod pushes a sliding sleeve of an umbrella frame to prop up an umbrella rib to form the umbrella, and the effects of improving the expansibility of the equipment, cleaning the surfaces of the solar panels and providing the rain sheltering position for the pedestrians are achieved.

The invention discloses a preparation method of a high-performance organic fertilizer. The preparation method comprises the following steps: uniformly mixing corn flour and guano, and adding water to obtain a premix; adding bagasse into a fermentation tank, adding an EM strain stock solution, and performing sealed fermentation after full mixing to obtain a primary fermented material; adding the premix into the primary fermented material, and stirring uniformly to perform fermentation so as to obtain a secondary fermented material; adding rape cakes, humic acid, 5-nitroguaiacol sodium and a traditional Chinese medicine extract into the secondary fermented material, mixing uniformly, performing fermentation, and then performing drying, crushing and granulation to obtain a third-time fermented material; adding urea, iron ammonium phosphate, ground calcium carbonate, sodium silicate and a PVA (polyvinyl acetate) aqueous solution into the third-time fermented material, mixing uniformly, and drying to obtain an inner layer coated fertilizer; and crushing attapulgite, clay powder, a calcium magnesium phosphate fertilizer, a potash magnesium sulfate fertilizer and EDTA (ethylenediamine tetraacetic acid) chelate zinc, mixing uniformly, adding the inner layer coated fertilizer and a gelatin aqueous solution, granulating, and drying to obtain the high-performance organic fertilizer.

The invention discloses compound fertilizer for lotus roots. The compound fertilizer is prepared from the following raw materials in parts by weight: 20-30 parts of urea, 20-25 parts of potassium hydrogen phosphate, 10-15 parts of potassium dihydrogen phosphate, 0.2-0.4 part of ammonium silicate, 0.3-0.5 part of zinc chloride, 0.4-0.6 part of iron chloride, 0.6-0.8 part of sodium borate, 1-3 parts of magnesium humate, 25-35 parts of rice straw, 10-15 parts of plant ash, 10-15 parts of pig manure, 10-15 parts of guano, 20-30 parts of soybean cake, 10-15 parts of mushroom dreg, 8-10 parts of protein paste, 3-5 parts of shrimp shell powder, 20-30 parts of attapulgite and 40-50 parts of a coating material, wherein the coating material is prepared from modified chitosan, sodium alginate and calcium chloride. The invention also discloses a preparation method of the compound fertilizer for the lotus roots.

The invention discloses a wheat straw biochar fertilizer able to reduce heavy metal harm and a preparation method thereof. The wheat straw biochar fertilizer is prepared from the following raw materials by weight part: 33-37 of guano, 25-27 of coconut shell powder, 2-3 of magnesium carbonate, 4-5 of calcium superphosphate, 2-3 of octamer sodium borate tetrahydrate, 25-30 of edible fungus residue, 10-14 of xylose powder, 80-100 of fresh enteromorpha, 6-7 of a compound microbial agent, 245-255 of wheat straw, 23-25 of fresh urine, and a proper amount of water. According to the invention, the use of xylose powder and coconut shell powder expands the porosity and specific surface area of charcoal fertilizer particles, various groups on the surface of the fertilizer and metal ions can undergo coordination and ion exchange reaction, and the fertilizer has strong adsorption capacity to heavy metals, plays a role of metal passivation, reduces the content of heavy metal exchangeable form in soil, thereby reducing the bio-availability of heavy metals, and providing guarantee for healthy growth of crops and product quality.

Provided is a guano propulsion device of overhead transmission lines. The guano propulsion device comprises an air compressor (1), a pneumatic diaphragm pump (2), a guano filling container (3), a rubber pipe, a spray nozzle (15), a (rubber) air pipe D (12), a (rubber) air pipe B (9), a (rubber) air pipe A (5), a solenoid valve (4), an air pipe C (11) and an air pressure pusher (13). The beneficial effects are that 1) it can be achieved that the guano propulsion device is highly automatic; 2) electric isolation between operators and a high-voltage end can be achieved and safety of the operators is ensured; and 3) precision and rationality of tests are ensured and the tests are largely consistent with the actual condition, the guano propulsion device can be widely applicable in research tests of bird damage mechanisms of transmission lines and basis is provided for selection and verification of outer insulation of the transmission lines of an electric system.

The invention discloses a high-egg white fig cultivating fertilizer and a preparation method therefor. The fertilizer is prepared from the following raw materials: corn straws, guano, industrial waste water, poultry feather, bean pulp, cottonseed meal, ammonium molybdate, saturated lime water, an EM fungicide, urea, monopotassium phosphate, zeolite powder, a flocculant and a proper amount of water. The preparation method comprises the specific steps: fermenting and decomposing domestic waste materials by liquid fermentation to obtain monomers with certain amino acids and protein relics; and adding mountain flour to organically crosslink the monomers and the protein relics, wherein crop absorption is facilitated. The protein content of fig can be effectively improved, and the physiological resistance of fruit trees is improved.

The invention discloses cake-shaped ecologic fish guano which is characterized by comprising 60% of half-dry cow dung, 15% of straw powder, 10% of humus, 12% of fowl manure and 3% of night soil. The cake-shaped ecologic fish guano is prepared by sufficiently mixing the raw materials, wherein the water content is 60%; uniformly mixing and stacking the raw materials; spraying 2% of EM (Effective Microorganism) bacterium; adding a water solution containing 3kg of urea and monopotassium phosphate respectively; pressing the materials into the cake-shaped ecologic fish guano by using a mold; and drying the cake-shaped ecologic fish guano. Each piece of the cake-shaped ecologic fish guano is 5kg in weight; when the cake-shaped ecologic fish guano is used, a polyethylene rope threads through the middle of the cake-shaped ecologic fish guano so as to tie and suspend the cake in water. One piece of the cake-shaped ecologic fish guano is used in each 100 m<2> pool, and the cake-shaped ecologic fish guano is suspended in the water by using a stick or a buoy; the nutrient elements are constantly and slowly released, so that the plankton in the water can obtain sufficient nutritional ingredients, thereby prompting the growth of hypophthalmichthys nobilis; and the cake-shaped ecologic fish guano has easily-accessible raw materials, is convenient to implement and remarkable in effect, and has popularization values.

The invention discloses polypeptide fish guano which is prepared from the following effective components in percentage by weight: 50-60% of high-protein organic matters, 2-5% of a compound microbial strain, 5% of biochemical potassium fulvic, 10-15% of an inorganic nitrogenous fertilizer, 10-15% of an inorganic phosphatic fertilizer, 5-10% of an inorganic potash fertilizer, 3-6% of minor elements of sea water, 0.5-1% of polypeptide and 1-2% of rare earth. The invention further discloses a preparation method of the polypeptide fish guano. The product is fast in dissolving rate and high in utilization ratio, can be used for directionally cultivating zooplankter such as beneficial algae and rotifers and providing comprehensive and abundant nutrition to fishes. Polypeptide can be directly absorbed by fishes, so that rapid growth of fishes is promoted.

The invention relates to a prawn culturing method. The prawn culturing method is simple and comprises the steps that after a culture pond is cleaned through disinfection liquid formed by mixing 2,2-dibromo-3-nitrilopionamide and water at the weight ratio of 1:100, plant ash, sesame dregs, amino acid, guano and Ca and Mg fertilizer are scattered into the culture pond and kept for 30-35 days for enriching water; water celeries are used in cooperation with prawn culturing; at the early stage, saline with the concentration ranging from 12% to 15% is adopted for prawn culturing; at the later stage, the salinity of water in the culture pond is gradually lowered by changing the water in the culture pond; zinc-rich prawn feed formed by compound protein-zinc, iodine, vc, garlic, dried beancurd sticks, fenugreek roots, oat, corn flour and poria cocos powder is used for feeding prawns; meanwhile, the probability that the prawns are infected by baculovirus penaei viruses, white spot syndrome viruses and Taura Syndrome Viruses can be reduced by reasonably controlling the culturing environment.

The invention discloses a cucumber planting method, and belongs to the technical field of cucumber planting. The cucumber planting method comprises the following steps: 1, performing soil selection and land preparation; 2, sowing, and raising seedlings; 3, performing fertilizer and water management; 4, building a shelf and guiding vines, wherein during the fertilizer and water management, a base fertilizer is applied as follows: before fixed planting, the base fertilizer is applied in furrows and is covered with soil; the base fertilizer comprises the following raw materials in parts by weight: 30-50 parts of urea, 10-15 parts of potassium sulfate, 30-40 parts of guano, 20-25 parts of sheep manure, 5-15 parts of attapulgite powder, 16-18 parts of soybean meal and 4-8 parts of vinasse; top application is performed as follows: top application is performed once every 6-8 days, 5-6kg of urea is applied in each mu (a Chinese area unit), the urea is diluted into 100 folds with water, a chlorothalonil solution is added, and a plant is sprayed from top to bottom; when tendrils appear, fertilization is performed once, and in each mu (a Chinese area unit), 15-20kg of peanut bran, 30kg of a compound fertilizer and 10kg of farm manure are applied. According to the cucumber planting method, the fertilizer utilization rate is high, nutrients are balanced, cucumbers are good in mouth feel, good in color and luster, high in yield and high in selling price, unlimited growth can be achieved, stable yield and high yield are constantly maintained, and diseases and pests can be effectively prevented.

The invention discloses instant fish guano and a preparation method thereof and belongs to the technical field of fish guano. The fish guano is prepared from, by mass, 25-34% of monoammonium phosphate, 6-15 parts of urea, 24-35 parts of ammonium chloride, 1.5-4% of a mineral substance additive, 10-20% of bio-organic fertilizer and 10-20% of calcium superphosphate. The raw materials are mixed and then ground in a superfine mode to 60-200 meshes, and the bio-organic fertilizer is formed through microbial strain fermentation of straw, manioc waste, sodium humate and bean pulp. By means of the fish guano, the ecological environment of water is improved, the ammonia nitrogen and nitrite content can be effectively reduced, and the biomass of phytoplankton and the content of probiotics in water are increased so as to provide bait. Meanwhile, the fish guano is instant and fully dissolvable, and has the advantages of being easy to release, absorb and utilize, long in effective period, small in dosage and the like.