111results about How to "Avoid affecting growth" patented technology

The invention belongs to the field of feeds for quails and particularly relates to Chinese-herbal-medicine feed for quails. The Chinese-herbal-medicine feed is characterized by comprising the following components in parts by weight: 40-60 parts of corn, 20-30 parts of soybean meal, 5-10 parts of super fish powder, 2-4 parts of soybean oil, 2-6 parts of grass seed powder, 5-10 parts of soybean oil cake residue, 5-10 parts of rice bran, 1-3 parts of salt, 10-15 parts of premix and 10-15 parts of traditional-Chinese-medicine additives. The Chinese-herbal-medicine feed has the beneficial effects that materials such as the corn, the bean meal and the grass seed powder with suitability for intaking of the quails, high digestibility and good palatability are selected according to the nutrition needed by growth and development of the laying quails, the nutrition is rich, the protein content is high, the energy is high, the nutrition needed by the laying quails is provided, the materials are easily digested and absorbed by the quails, the daily feed intake is increased and the egg laying capability is enhanced; a proper material matching ratio is determined by multiple testing, the most reasonable feed-egg ratio is ensured, and the raising income is largest; and the feed contains the components such as the premix and the traditional-Chinese-medicine additives, the types of nutritional elements are complete, and various nutritional components needed are provided, so that the healthy growth of the quails is ensured.

The invention relates to an agricultural plant protection unmanned aerial vehicle capable of guaranteeing a pesticide spraying effect. The agricultural plant protection unmanned aerial vehicle capable of guaranteeing the pesticide spraying effect comprises a body, a propeller, a support and a liquid storage box, wherein the body further comprises a stirring mechanism, a cover opening mechanism and a fixing mechanism; the stirring mechanism comprises a tightening and releasing assembly and a stirring assembly; a cover opening mechanism comprises a cylinder and a sealing cover; and the fixing mechanism comprises a third motor, a cylindrical gear, a rack, a fixing plate and a fixing assembly. According to the agricultural plant protection unmanned aerial vehicle capable of guaranteeing the pesticide spraying effect, the liquid storage box is opened by the cover opening mechanism; pesticide in the liquid storage box is stirred efficiently by the stirring mechanism, so that the pesticide cannot precipitate in a spraying process, the concentration of the pesticide is not changed, the pesticide spraying effect is guaranteed, and growth of crops is prevented from being affected; meanwhile, the liquid storage box is fixed on a support by the fixing mechanism, is fixed firmly, and is prevented from injuring people or crops; and when the liquid storage box needs to be taken down, parts do not need to be detached, the liquid storage box can be directly taken down from the support, and the time and labor are saved.

The invention provides a stony desertification treatment method, and relates to the technical field of ecology. The method includes the following steps of arranging the terrain, improving soil and planting crops. By means of the treatment method, a stony desertification region is flattened, a planting structure is reestablished, and an isolation layer is laid on the flattened ground; a soil improving layer is laid on the isolation layer; finally, an out-soil layer is laid. The isolation layer, the soil improving layer and the out-soil layer together have effects of water retention and water and soil loss reduction, plant growth is promoted on the premise of improving soil, the ecological environment is further improved, and the further deterioration of stony desertification is prevented.

The invention belongs to the technical field of equipment for raising livestock and discloses a feed trough for raising cattle. The feed trough comprises a storage bin and a feeding trough, wherein a discharging hole is formed in the bottom part of the storage bin; the storage bin is rotationally connected with a laying-off disc; a storage trough is formed in the laying-off disc; a laying-off hole is formed in one side of the storage trough; an installing cavity is arranged on the laying-off disc, a pushing rod is connected in the installing cavity in a sliding manner, and a spring is arranged between the pushing rod and the installing cavity; the installing cavity is internally provided with a power supply and an installing block, the installing block is connected with an electromagnet in a sliding manner, the electromagnet is connected with a conducting strip which comprises a conducting part and an insulating part, and the power supply is provided with a conducting needle contacted with the insulating part; the pushing rod is provided with a magnet, and an iron plate is hinged to the laying-off disc; and magnetic needles are arranged at the bottom part of the laying-off disc. The feed trough disclosed by the invention solves the problems that polluted feed is remained in the feeding trough which is communicated with the storage bin so as to probably pollute the feed in the storage bin, so that and diseases are easily induced after next feeding of calves in the prior art.

The invention discloses a pesticide spraying machine. The pesticide spraying machine comprises a pesticide storage tank, a hydraulic pump, a driving vehicle body, a mounting bracket and a spraying mechanism; the driving body is provided with a telescopic cylinder, which can be used to adjust the angle of the mounting bracket so as to change the height of the spraying mechanism, so that the scientific spraying of pesticide on crops with different heights can be realized; the spraying mechanism comprises a liquid inlet pipe, a liquid separating pipe, liquid outlet pipes and spray head main bodies, wherein a plurality of the liquid outlet pipes and a plurality of the spray head main bodies are arranged, so that the spraying coverage area is expanded, and the spraying efficiency is improved; according to the spraying heads, the inner side of each spraying head main body is not easily blocked through a stirring head; a stirrer and a low-liquid-level controller are arranged in the pesticidestorage tank; the stirrer is used for keeping the pesticide mixed uniformly, so that the pesticide is not precipitated and accumulated easy, and the influence of the pesticide spraying quality causedby blocking of the spraying heads by particles is avoided; and the low-liquid-level controller intelligently controls the hydraulic pump to stop working, so that the energy is saved and the environment is protected. The pesticide spraying machine disclosed by the invention has a simple overall structure design, the functions are rich, and the operation and the maintenance are both very convenient.

The invention discloses a multifunctional sugarcane ploughing and sowing all-in-one machinecomprising a machine frame and a driving device; the whole machine structurally comprises a rotary blade shaft assembly, a furrow opener, a water and pesticide spraying device, a fertilizer applying assembly, a seed cutting and arranging assembly, a film spreading device, a soil covering device and a seat bracket in sequence from the first row to the eighth row along the running direction, wherein the film spreading device is attached on the middle lower part of the inner side of a soil dividing and guiding plate of the furrow opener; the water and pesticide spraying device, the fertilizer applying assembly and the seed cutting and arranging assembly are respectively arranged on a platform arranged above the furrow opener; and the soil covering device is attached on the middle upper part of the outer side of the soil dividing and guiding plate at both sides of the furrow opener. The technical problems including incomplete function, complex structure, high cost and poor landform adaptability existing in the traditional similar machine are solved by the technical improvement; the machine has the functions of rotary tilling, furrow opening, water and pesticide spraying, fertilizer applying, seed cutting, film spreading and soil covering, the structure is simplified, the manufacturing cost is reduced, and meanwhile, the production efficiency is increased.

The invention discloses a traditional Chinese medicine compound feed for meat quails and belongs to the technical field of feeds of quails. The compound feed comprises corn flour 60-70, wheat bran 35-40, expanded soybean meal 10-15, fermented soybean meal 5-10, broken millet 10-15, sesame oil cake 0.5-1.5, bone powder 1.5-3, grass seed powder 2-5, soybean protein powder 6-10, salt 2-5, premix 6-8, and traditional Chinese medicine additive 0.5-1.5. The preparation method comprises the following steps: (1) preparation of the premix; (2) extraction of traditional Chinese medicine solution; (3) refining of the traditional Chinese medicine solution; (4) preparation of the traditional Chinese medicine additive; (5) preparation of the traditional Chinese medicine compound feed. The premix and the Chinese herbs are added into the feed, so as to effectively increase the weight of meat quails and reduce the mortality rate; the feed dose not contain antibiotics chemical synthetic medicines, prevents the additive from generating medicine residue in the bodies of the quails and effectively keeps the meat of quails delicious. Human consumption of the traditional Chinese medicine compound feed is health and safe.

A biological organic fertilizer comprises the following raw materials in parts by weight: 85-96 parts of crop straws, 39-42 parts of animal manure, 24-28 parts of cake meal, 20-25 parts of biogas residue, 12-15 parts of an odor removal adsorbent, 7-8 parts of an inorganic compensator, 1.3-1.5 part of saccharomycetes, 1.2-1.5 part of bacillus licheniformis, 1.9-2.2 parts of a multi-temperature-period composite strain and the balance of water. The odor removal adsorbent is added in the preparation process of the organic fertilizer, and the surface of the activated carbon in the odor removal adsorbent is grafted with amino groups and C=S double bonds, and both can carry out adsorption reaction with heavy metal Hg <2+>, CO < 2+> and the like, so that adsorption and fixation of poisonous heavymetal ions are realized, meanwhile, the activated carbon can remove residual peculiar smell in the fermented product, and the problem that toxic heavy metal ions in the existing organic fertilizer cannot be completely removed is solved.

The invention relates to the technical field of side slope strengthening, in particular to a side slope strengthening device for architectural and municipal civil engineering. The key point of the technical scheme is that the side slope strengthening device comprises a slope protecting mesh and a plurality of fixing piles; the slope protecting mesh is used for being laid on a side slope; the fixing piles are driven in the side slope; corners of the slope protecting mesh are fixed at the upper ends of the corresponding fixing piles; and a plurality of planting rings are arranged on the slope protecting mesh. The side slop strengthening device for architectural and municipal civil engineering has the advantage of avoiding the plant growth.

The invention discloses multifunctional plant aerosol cultivation equipment. The equipment is characterized by comprising a support, a plurality of planting assemblies which are rotatably mounted at the lower end of the support and arranged vertically and water tanks arranged under all the planting assemblies; the upper end of the support is fixedly connected with a horizontal mounting plate, the planting assemblies comprise belt pulleys located on the top of the mounting plate and arranged horizontally, a bearing connected between the mounting plate and the belt pulleys, planting pipes coaxially connected to the lower ends of the belt pulleys, a plurality of planting elbows mounted on the outer walls of the planting pipes and communicated inside the planting pipes, a water inlet pipe coaxially arranged in each planting pipe and a fixed base fixedly connected to the lower end of the water inlet pipe and fixedly mounted at the bottom of the water tank; a drive motor is mounted on the mounting plate, and the belt wheel on each planting assembly is connected with the drive motor in a transmission mode through a driving belt; the drive motor and a solar panel are electrically connected with a controller. According to the multifunctional plant aerosol cultivation equipment, not only can the growth of plants be promoted, but also air can be purified at the same time.

The invention discloses a herbicide spray drift preventing device for a corn field. The device comprises a liquid storage tank and an infusion pump arranged inside the liquid storage tank, wherein the liquid storage tank is arranged on a trolley, the trolley comprises a trolley body, roller wheels and a push handle, a support arm is obliquely arranged at the front side of the upper end of the trolley body, one end, far away from the trolley body, of the support arm is rotatably connected with a rotary arm, one end, far away from the support arm, of the rotary arm is fixedly connected with a cross rod, the cross rod is arranged vertical to the rotary arm, both ends of the cross rod are rotatably connected with folding rods, a plurality of spray nozzles are fixedly mounted at the lower end of the cross rod and lower ends of the folding rods, and the rotary arm, the cross rod and the folding rods are all of tubular structures; and liquid spraying pipes are separately arranged in the cross rod and the folding rods, the spray nozzles are connected to the liquid spraying pipes, and the liquid spraying pipes are connected with an output end of the infusion pump through an infusion tube. According to the device, the breadth of spraying of a herbicide can be adjusted, the sprayed herbicide can be prevented from being blown about by wind, and thus, the spraying effect is effectively improved.

The invention provides a smelting method for silicon-manganese killed non-oriented silicon steel. The non-oriented silicon steel comprises the following chemical components in percentage by mass: less than or equal to 0.005% of C, 0.25%-1.20% of Si, 0.2%-0.8% of Mn, 0.015%-0.065% of P, less than or equal to 0.005% of S, less than or equal to 0.005% of Als and the balance Fe and inevitable impurities. The production method comprises the following steps: adding lime and a slag surface deoxidizer to adjust slag after converter tapping is finished; carrying out deoxidation alloying after RH vacuum refining decarburization is finished, adding synthetic slag from a vacuum chamber stock bin after alloying is carried out for 3-5 min, carrying out net circulation for 8-12 min after treatment is carried out for a period of time, and carrying out vacuum breaking tapping for continuous casting pouring. The obtained molten steel mainly contains SiO2-CaO-Al2O3 series inclusions. On the one hand, low-melting-point SiO2-MnO series inclusions are prevented from being generated in the molten steel, the low-melting-point SiO2-MnO series inclusions extend in the rolling direction in the rolling process, and grain growth is hindered; and on the other hand, serious erosion of a refractory material in the smelting process caused by generation of pure SiO2 or high SiO2 component classified acidic inclusions is also avoided. The method can control the types of non-metallic inclusions in the steel, improve the cleanliness of the molten steel, and improve the erosion to the refractory material in the smelting process.

The invention relates to the field of agricultural equipment, and discloses an agricultural fertilizing device capable of controlling the amount of fertilizer. The agricultural fertilizing device comprises a vehicle body, wherein two vertical shafts are fixedly connected with the bottom of the vehicle body, and are symmetrically distributed in the middle of the bottom of the vehicle body; a control tube is fixedly mounted at the bottom of the cavity of the vehicle body. The agricultural fertilizing device drives a push plate to move inside an adjusting tube through a threaded rod, controls thespace of the adjusting tube positioned on one side of an orifice according to the amount of fertilizer to be applied, ensures that the orifice in the adjusting tube is positioned below a guide tube through the action of elastic force of a reset spring, ensures that the fertilizer enters the interior of the adjusting tube, and performs driving through a servo motor to apply the fertilizer, the conventional fertilizer applicator cannot adjust the amount of fertilizer required to be applied by crops when applying fertilizer to different crops, so that the maximum effect of fertilizer efficiencycannot be achieved, and the growth of the crops is affected.

The invention provides a multi-span cable membrane greenhouse and relates to the technical field of fruit and vegetable plantation facility. The multi-span cable membrane greenhouse comprises supportcolumns, membrane support cables, balance cables and cable membrane assemblies; multiple support columns are transversely arranged along the multi-span cable membrane greenhouse as a row with intervals; multiple rows of the support columns are vertically arranged along the multi-span cable membrane greenhouse with intervals; multiple membrane support cables are connected between adjacent two of the support columns; the multiple balance cables are connected between the membrane support cable and the ground and / or among the support columns for tightening the membrane support cables; the cable membrane assemblies are connected with the membrane support cables. The greenhouse of the invention relieves the problem of inconvenient installation and disassembly of the cable membrane greenhouse inthe prior art.

The invention belongs to the aquaculture engineering field, and particularly relates to a closed circulating aquaculture system suitable for multilayer stereoscopic cultivation of abalone. The circulating aquaculture system suitable for the multilayer stereoscopic cultivation of the abalone is characterized in that a plurality of aquaculture tanks are installed on a support, a plurality of wave generation hoppers hinged on the support are arranged above each aquaculture tank, the interior of each aquaculture tank is divided into a plurality of tank bodies which are communicated, one water outlet side of each aquaculture tank is communicated with a filter tank, the lower portion of each filter tank is a sewage collection tank, a filter device is arranged on the upper portion of each filter tank, all the filter tanks are respectively communicated with a temperature regulation box with a heat exchanger installed inside, the heat exchanger is communicated with a refrigerator, temperature of seawater is controlled through the refrigerator and the heat exchanger, a water pump, a foam separator, a biological tank and an oxygen tank are sequentially communicated with the temperature regulation box, the foam separator is communicated with a jet injector, and an aeration disk communicated with an air pump us arranged in the biological tank. The circulating aquaculture system suitable for the multilayer stereoscopic cultivation of the abalone has the advantages of continuously reusing aquatic water, being capable of controlling temperature, manually generating waves, achieving rapid and thorough water purification treatment, being convenient to operate, saving energy and protecting environment and the like.

The invention provides a pesticide spraying method which includes the steps: (1) adjusting the heights of atomization nozzles according to the heights of crops after a spraying machine is in place; (2) adjusting the spraying width of a single stroke of the spraying machine; (3) starting a hydraulic pump, supplying liquid pesticides in a pesticide storage box for the atomization nozzles by the hydraulic pump through pesticide outlet hoses; (4) limiting the outer spraying edge of the outermost atomization nozzle by a pesticide blocking and recovering box in the spraying process, recovering liquid pesticides sprayed at the outer edge by the outermost atomization nozzle, and preventing the liquid pesticides in the pesticide blocking and recovering box from flowing out by a baffle plate at thebottom of the inner side of the pesticide blocking and recovering box and positioned below a filtering screen. When spraying is implemented by the pesticide spraying method, pesticide spraying boundaries can be clearly and accurately determined, so that the pesticides can be prevented from being sprayed onto other adjacent crops, spraying effects are ensured, and the crops on the same ridge cannotbe repeatedly sprayed.

The invention discloses a method for conducting slope support and greening through specific hole-planted shrubs. The method comprises the following steps that (1), a material is selected; (2), a slopesurface is selected to be finished and measured; (3), shrub seeds are soaked or shrub seedlings cultivated into seedlings are prepared to manufacture nutritive vegetation soil; (4), a mold is adoptedto manufacture a vegetation concrete module containing the shrub seeds; (5), anchor rods are supported, iron wire bracing and iron wire net erecting are conducted among the anchor rods, and a layer of geotechnical cloth is laid; (6), the thick nutritive vegetation soil is laid, and seeds are planted in the soil; and (7), management after seeding and later-period regular watering and fertilizing protection are conducted. The method for conducting slope support and greening through the specific hole-planted shrubs is suitable for slope surfaces of various rock textures and soil textures and particularly suitable for rock and soil side slope surfaces which are high steep and unsmooth, are provided with multiple small rock gaps and are under bad weather conditions.

The invention relates to a fixing device, more specifically a supporting device for planting plants in gardens, including fixing device I, telescopic rods, support plates, baffles, and supporting devices II, which can fix plants, prevent plants from falling over, and fix The gap between the rotating plates on the device II can be adjusted to meet the needs of the growth of vegetation rhizomes of different sizes and avoid affecting the growth; the width of the fixing device I can be adjusted to adapt to the planting of vegetation of different sizes. The sliding rod on the telescopic rod is movably connected to the fixed ring, and the sleeve on the telescopic rod is fastened and connected to the chute II on the support plate through bolts; there are four baffles, consisting of four baffles The baffle is in the shape of a quadrangular pyramid, and the baffle is movably connected to the edge of the main body of the support plate; the slider on the baffle is in clearance fit with the chute III on the fixing device II; the baffle and the fixing device II are located under the ground.

The invention provides a planting frame for a greenhouse. The planting frame comprises a frame body, wherein the frame body comprises upright rods, oblique supporting rods, transverse horizontal rods, longitudinal horizontal rods, horizontal steel ropes and vertical steel ropes, wherein the upright rods are vertically erected on a planting layer; the oblique supporting rods are erected at the two ends of the upright rods; the transverse horizontal rods and the longitudinal horizontal rods are erected at the upper ends of the upright rods; the upright rods are respectively vertical to the transverse horizontal rods and the longitudinal horizontal rods; the transverse horizontal rods and the longitudinal horizontal rods are vertical to each other; the horizontal steel ropes are arranged between two adjacent transverse horizontal rods and are parallel to the transverse horizontal rods; the vertical steel ropes drop from the horizontal steel ropes to the planting layer. The planting frame has the advantages and positive effects that a planting area is reasonably arranged; due to the fact that the steel ropes substitute the traditional upright rods, occupation of the planting area can be avoided, and meanwhile, the influence to the growth of roots of plants is avoided.

The invention relates to a method for controlling spreading of cattail plants in a carex marsh wetland. The method aims to solve the problem that spreading of the cattail plants in the carex marsh wetland can not be effectively controlled. The method includes the following steps that litter and standing litter on the ground are removed; 2, the cattail plants are harvested; 3, herbicides are applied manually to regenerated cattail plants; 4, the water level of the wetland is controlled. The method can effectively control the spreading of the cattail plants in the carex marsh wetland. After thefirst year of implementation of the method, the number of the cattail plants can be reduced by more than 83%, and the coverage of carex can reach 45% or above. After the second year of implementationof the method, the number of the cattail plants can be reduced by more than 95%, and the coverage of carex can reach 45% or above. The method is applied to the field of controlling the spreading of cattail plants.

The invention discloses a pasture environment monitoring system based on the Internet of Things in the field of environment monitoring. The system mainly comprises a hollow stand column and a sliding telescopic column provided with a camera, and the camera is connected with a micro main control chip; and a lifting mechanism is arranged in the hollow stand column and used for lifting the sliding telescopic column, the sliding telescopic column is also a hollow column body and is installed on the outer surface of the hollow stand column in a sliding manner in the length direction of the hollow stand column, a rotating shaft is rotatably installed in the sliding telescopic column, a wind speed monitoring mechanism is fixedly installed at the upper end of the rotating shaft, and the lower end is located in the hollow stand column. An adjusting mechanism is arranged at the upper portion of the hollow stand column, and the adjusting mechanism is used for adjusting the height of the sliding telescopic column to descend at the high wind speed. Normal monitoring can be carried out when the external wind power is small, and the height of a monitoring device is automatically adjusted when the external wind power is too large, so that the monitoring device can be stably erected at an observation point and is prevented from being damaged by strong wind and sundries rolled up by the strong wind, and stable operation of the monitoring device is ensured.

The invention discloses a planting box based sterilization method and device, and the method and the device can be applied to a plant box. The method comprises the steps of: monitoring the growth condition of a target plant in a planting box; when monitoring that the target plant enters a current growth time period from a previous growth time period, determining the sterilization information needed by the target plant within the current growth time period, with the sterilization information including sterilization duration information; and according to the sterilization information, controlling the work of a built-in sterilization module in the planting box according to the sterilization duration. The technical scheme provided by the embodiment of the invention can achieve timely elimination of bacteria bred in the planting box, avoids influence to normal growth of plants, and can enhance the planting experience of users.

The invention discloses an early warning method and device based on a plantation box. The early warning method comprises the following steps that a monitoring value of an environmental parameter aimed at the internal environment of the plantation box is obtained; according to the type of the environmental parameter, whether the monitoring value is within an early warning range corresponding to the type of the environmental parameter is determined; and if YES, an early warning manner corresponding to the early warning range is determined, and early warning is carried out according to the early warning manner. According to technical schemes provided by the invention, the instantaneity and validity of early warning are improved to large extent, normal growth of plants in the plantation box is not influenced, loss caused by that early warning is not timely is reduced, and plantation experience of users is improved.

The invention provides a device and a method for collecting Enteromorpha. The device comprises a ship, and a centrifugal pump and a motor are arranged on the ship. An operating water inlet of the centrifugal pump is connected with a suction tube which is communicated with an output port end of a scooping unit, and the other end of the scooping unit is provided with a suction port. More than four rollers are protruded at the bottom of the scooping unit and arranged on two sides of the scooping unit symmetrically along a center line of the scooping unit, and diameters of the rollers close to the scooping unit of the scooping unit are larger than those of the rollers at the output port end of the scooping unit. The operating water inlet of the centrifugal pump is communicated with a collection box through a discharge pipe, and a holding drain plate is arranged at one end of the collection box away from the discharge pipe. According to the device and the method for collecting Enteromorpha, the scooping unit rolls forward on a mud flat layer, so that effects on the growth of other benthon are prevented; the Enteromorpha clearing is thorough; and the Enteromorpha can be cleaned simultaneously during Enteromorpha collecting.

The invention discloses a fixing device for planting blueberries. The fixing device comprises a first arc-shaped fixing plate, a second arc-shaped fixing plate and a supporting rod assembly, wherein the first arc-shaped fixing plate and the second arc-shaped fixing plate are opposite, and the supporting rod assembly is arranged on an outer side plate body of the first arc-shaped fixing plate; a rotary hinge is arranged at the junction of one end of the first arc-shaped fixing plate and one end of the second arc-shaped fixing plate, and a hook spring is arranged at the junction of the other endof the first arc-shaped fixing plate and the other end of the second arc-shaped fixing plate; a main trunk of a blueberry tree body is fixed through the first arc-shaped fixing plate and the second arc-shaped fixing plate, and through the rotary hinge and the hook spring, the fixed diameter defined by the first arc-shaped fixing plate and the second arc-shaped fixing plate can be automatically changed; the overall height formed by a first height adjusting pipe and a second height adjusting pipe can be adjusted through a first adjusting rotary button, and the length, stretching out of the second height adjusting pipe, of a length adjusting pipe can be adjusted through the second rotary button.

The invention discloses a photo-thermal resource utilizing device for greenhouse planting, which comprises a greenhouse, a photovoltaic panel, a partition plate, a storage battery, rotating motors, window shades, a fill-in light, a controller, water heating pipes, a servo motor, a heat collector, a reflector plate, a light sensor, a water storage tank, a first water pump and a second water pump. The photovoltaic panel is arranged on one side of the upper end of the greenhouse. The partition plate is arranged on the upper side of the inside of the greenhouse. Through the setting of the reflector plate, the light sensor feeds a light signal back to the controller, the controller makes the servo motor rotate, a holding plate is rotated under the action of meshing, the reflector plate is driven to rotate to the direct light end, and an electric telescopic rod does telescopic motion under control in order to adjust the reflector plate and the illumination angle of light. Through the structure, the reflector plate can receive sunlight to the maximum extent and reflect sunlight to the heat collector, so as to accelerate the heating of water source by the heat collector and to raise the temperature inside the greenhouse.

The invention relates to the field of breeding technology, especially to an ecological efficient breeding method of Boleophthalmus pectinirostris. The method comprises the following steps: (1) disinfection of a fish pond; (2) cultivation of diatom; (3) placement of fish fry; and (4) management of the fish pond. In the invention, unfavorable microorganisms are reduced by the fish pond treatment inthe early stage, and photosynthetic bacteria are added in the bait and EM bacteria are used in a fertile solution. Thereby, the virtuous cycle of the fish pond's micro-ecology is effective promoted, the growth of the algae is enhanced and the vigor of the fish fry is raised.

Provided is a retractable indoor flower culture sill. The flower culture sill includes a circular pipe, the upper end of the circular pipe is sealed, a middle bearing on the top side of the inner wallof the circular pipe is connected to the upper end of a vertical shaft, a rotating shaft of a motor is fixedly connected to the lower end of the vertical shaft, the periphery of the motor is fixedlyconnected to the inner wall of the lower portion of the circular pipe, and first gears are fixedly installed on the upper portion and lower portion of the vertical shaft respectively; first strip-shaped through grooves which are symmetric in the horizontal direction are formed in the left and right sides of the circular pipe, and gear columns are arranged in the first strip-shape through grooves respectively; the upper and lower ends of the gear columns are connected to upper or lower bearings of the corresponding first strip-shaped through grooves respectively, and the first gears are cooperatively meshed with the gear columns respectively. The height of flowerpots can be adjusted according to the height of rays cast by sunlight permeating into the sill in different seasons so that cultured flowers can stay at optimal illumination positions, and waste of resources due to frequent replacement of flower stands are avoided.

The invention relates to an agricultural plant protection unmanned aerial vehicle capable of guaranteeing the pesticide spraying effect. The plant protection unmanned aerial vehicle comprises a main body, fan blades, a supporting frame and a water storage chamber, the main body further comprises a mixing mechanism, a cover opening mechanism and a stabilizing mechanism, the mixing mechanism comprises a retracting assembly and a stirring assembly, the cover opening mechanism comprises an air cylinder and a sealing plate, and the stabilizing mechanism comprises a third driving motor, a cylindrical driving gear, a rack, a stabilizing plate and a fixing assembly. According to the agricultural plant protection unmanned aerial vehicle capable of guaranteeing the pesticide spraying effect, the water storage chamber is opened through the cover opening mechanism, the water storage chamber is opened through the cover opening mechanism, then a pesticide in the water storage chamber is efficientlystirred through the mixing mechanism, so that in the spraying process of the pesticide, precipitation is not caused, the concentration of the pesticide is kept unchanged, so that the spraying effect of the pesticide is ensured, the growth of crops cannot be influenced, meanwhile, the water storage chamber is fixed to the supporting frame through the stabilizing mechanism and is fixed more firmly,people or crops are prevented from being crashed and injured, when the water storage chamber needs to be taken down, and parts do not need to be detached and can be directly taken down from the supporting frame, so that time and labor are saved.

The invention belongs to the technical field of environmental engineering and particularly relates to a light quality and illumination intensity deployment strategy method by utilizing microalga-purified biogas slurry. The method disclosed by the invention comprises the following steps of: during the process of culturing the microalga-purified biogas slurry by utilizing biogas slurry and an LED (light-emitting diode) lamp with specific light quality as a nutritional matrix and an artificial light source, adopting a multistep type illumination intensity regulation strategy, namely regulating the illumination intensity of the LED lamp during the different growth stages of microalga to realize the purposes of saving energy and promoting the growth of the microalga to promote a biogas slurry purification effect. In comparison with a constant type illumination strategy, the multistep type illumination regulation strategy disclosed by the invention can save light energy during the adaptive phase and logarithmic phase of microalga culture. The method disclosed by the invention is good in practicality, and simple and easy to operate; during the process of utilizing the microalga-purified biogas slurry, the light energy can be greatly saved and the economy of a biogas slurry purification method can be improved; and furthermore, the influence caused by light inhibition or insufficient illumination can be avoided, thus the growth of the microalga is further promoted, and the biogas slurry purification effect is improved.