484results about How to "Improve fertilization effect" patented technology

The invention discloses an adjustable garden soil-loosening and fertilizer-applying device which comprises a base plate, a material storage cavity, a soil-loosening roller and a turntable. A groove isalso formed in the lower end of the base plate, a threaded rod is rotatably connected to the inner side of the groove, the end, sleeved with a moving block, of the threaded rod is hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to supporting rods. The two supporting rods are symmetrically arranged in a front-back way, and the other end of each supporting rod is rotatably connected with a rotary shaft of the soil-loosening roller. The material storage cavity is formed in the base plate. A rotary rod is arranged at the right end of the material storage cavity, the lower end of the rotary rod penetrates through the base plate and is fixedly connected with the turntable. The adjustable garden soil-loosening and fertilizer-applying device is novel in design. The arranged soil-loosening roller can be adjusted in height, accordingly loosening of soil of different depths is achieved, an application range is wide, a columnar rod id driven to rotate by the turntable and scatters soil which fertilizers are applied when the arranged rotary rod rotates, and accordingly a fertilizer applying effect is improved. In addition, loosened soil is scattered flatly to facilitate planting, and the adjustable garden soil-loosening and fertilizer-applying device is good in practicability and worthy of popularization.

The invention discloses an integrated water-fertilizer micro-jetting irrigation fertilizing system. The system comprises an irrigation system, a fertilizing system, a micro-jetting system and a control system. Filtering devices are arranged on many parts of the system so as to guarantee smooth irrigation; because of a stirrer, a heating wire and a temperature sensor, the safe and quick dissolution of chemical fertilizers is facilitated; the height can reduced by a lifting column when the fertilization is required so that the fertilizers are fully immersed into the soil and the good fertilizing effect is realized; the height can be properly increased by the lifting column when the fertilization is required so that water mist can be sprayed toward crops downwards from a high place, and therefore, the good moistening and irrigation effect is realized, and intelligent control management is realized.

The invention relates to the field of agricultural machinery equipment, in particular to crop fertilization equipment with a uniform fertilization effect. The crop fertilization equipment comprises arack, a support, rollers and a fertilization bin, wherein the support is mounted at the bottom of the rack, the rollers are mounted at the lower end of the support, a soil turning mechanism is mountedon the lower surface of the rack, the fertilization bin is fixedly connected with the middle of the rack, a double-shaft motor is fixedly connected with the side wall of the fertilization bin, a distributing mechanism is mounted in the rack, a sieve plate is arranged below the fertilization bin, sliding rails are mounted on the side walls of the support, springs are fixedly connected with the upper surface of the sieve plate, a vibration motor is mounted at the lower end of the sieve plate, and a water sprinkling mechanism is mounted on the upper surface of the rack. By means of the soil turning mechanism, fertilizer can be contacted with soil sufficiently, and the fertilization effect is improved; uniform dropping of the fertilizer is realized by the distributing mechanism, the fertilizer is enabled to be dispersed and drop by means of the sieve plate, so that the fertilizer is scattered on the soil more uniformly, and fertilization and water sprinkling work are performed synchronously by means of the water sprinkling mechanism.

The invention discloses a fertilization mechanism for mixing soil with a fertilizer. The fertilization mechanism comprises a tank and a soil turnover rack, wherein the tank comprises a conveying cavity and a mixing cavity; the conveying cavity is communicated with the top of the mixing cavity; a conveying rotating shaft is vertically mounted inside the conveying cavity; a spiral auger is mounted on the conveying rotating shaft; a stirring rotating shaft is vertically mounted inside the mixing cavity; a plurality of stirring rods are mounted in equal distances on the stirring rotating shaft; adriven wheel is mounted at the top of the conveying rotating shaft; a driving wheel is mounted at the top of the stirring rotating shaft; the driven wheel is connected with the driving wheel through atransmission belt; a fertilizer bucket is mounted at the top of the tank; a supply tube is connected with the conveying hole of the fertilizer bucket; the tail end of the supply tube extends into themixing cavity. By adopting the fertilization mechanism, a fertilizer is sufficiently mixed with soil, and then the mixture is paved on a field, so that the fertilization effect of a solid fertilizercan be greatly improved, and later absorption effects of crops can be improved.

The invention discloses a fertilizer applying, soil grabbing and earthing-up method. A fertilizer applying, soil grabbing and earthing-up machine is adopted to achieve fertilizer applying, soil grabbing and earthing-up at the same time, and comprises a frame (5), a driving and travelling system, a transmission system, a fertilizing system, a soil loosening and earthing-up system and an operating system. The driving and travelling system, the transmission system, the fertilizing system, the soil loosening and earthing-up system and the operating system are arranged on the frame. The fertilizing system is capable of controlling fertilizer discharging speed and fertilizer scattering width, and the soil loosening and earthing-up system is capable of adjusting the soil loosening depth. The fertilizer applying, soil grabbing and earthing-up method is easy to implement, integrates a fertilizer applying function with a soil loosening and earthing-up function, and is high in working efficiency.

The invention relates to a special fertilizer applicator for a fruit tree, and belongs to the technology of agricultural machinery manufacturing. The special fertilizer applicator for the fruit tree is reliable to use, and good in fertilization effect, can adjust the fertilization depth, the fertilization distance and the fertilization amount. The technical scheme is that a rotary handle (1) and a bracket (2), a support wheel carrier (4) and the bracket (2), a work rack (10) and the bracket (2), and an opener (9) and the work rack (10) are respectively connected in a sleeving manner, and are respectively clamped and fixed by bolts; a fertilizer containing box (12) and a fertilizer apparatus (11) are respectively fixed at the upper and lower surfaces of the bracket of the fertilizer containing box through bolts; the fertilizer apparatus (11) adopts a universal external fluted roller fertilizer apparatus; power is provided for the fertilizer apparatus by a driving wheel / depth limiting wheel (7) through a transmission device (6); and a support wheel (5) and the support wheel carrier (4), the driving wheel / the depth limiting wheel (7) and the work rack (10), and a covering device (8) and the opener (9) are respectively hinged through bolt shafts.

The invention provides a lateral deep fertilization seeding machine, and belongs to the technical field of agricultural machinery. The lateral deep fertilization seeding machine comprises seeding mechanisms and lateral deep fertilization mechanisms, wherein seed discharging shafts of the seeding mechanisms are arranged on seed discharging shaft supporting plates and seed discharging shaft supporting seats; indents are formed in the outer sides of fixed seed discharging disks in an equal spacing manner; indent adjustment blocks are arranged on movable seed discharging disks in an equal spacingmanner; the indent adjustment blocks are inserted into the indents in the fixed seed discharging disks; fertilization nozzles of the lateral deep fertilization mechanism are mounted on fertilization ditchers; both ends of fertilizer feeding pipes are respectively connected with rubber flexible connection sleeves and fertilizer boxes; covering devices are mounted on covering device brackets; the covering devices are located on the rear sides of the fertilization nozzles; fertilizer discharging shafts of fertilizer discharging transmission assemblies are mounted on internally hexagonal connection sleeves; and the fertilizer boxes are driven by the fertilizer discharging shafts to discharge fertilizer. During seeding, the lateral deep fertilization seeding machine applies the fertilizer intothe soil beside seeds, so that the fertilizer utilization rate is greatly increased; the seeding amount can be adjusted, and the lateral deep fertilization mechanisms are high in transmission efficiency; and the fertilizer discharging amount is convenient to adjust, and the lateral deep fertilization seeding machine is reasonable in structure.

The invention discloses an unmanned aerial vehicle intelligent spraying system and method based on a prescription map. The system herein comprises an unmanned aerial vehicle flight decision system, anunmanned aerial vehicle precision operating system, an operating prescription system and an unmanned aerial vehicle engineering survey system. The unmanned aerial vehicle flight decision system is communicated with the unmanned aerial vehicle precision operating system through a ZigBee wireless sensing network; the unmanned aerial vehicle precision operating system is communicated with the operating prescription system through a 4G network; the operating prescription system is communicated with the unmanned aerial vehicle engineering survey system through the 4G network; the unmanned aerial vehicle engineering survey system is communicated with the unmanned aerial vehicle flight decision system through the ZigBee wireless sensing network. Soil fertility is judged via low-altitude remote sensing, decisions are made by artificial intelligence, an unmanned aerial vehicle is driven to provide precision operating in prescription map mode, and therefore, the technical problem that traditional operating modes have unreasonable application of fertilizers, low labor efficiency, non-uniform spraying, and poor fertilization effect is solved, and fine operating is achieved.

The invention relates to a method for preparing a charcoal slow-release fertilizer by utilizing dioscorea zingiberensis saponin fiber waste residues. The method comprises the following steps of: (1) air drying the dioscorea zingiberensis saponin fiber waste residues, smashing and sieving; (2) putting in a reactor, rising temperature to be 300-600 DEG C, and carrying out pyrolytic carbonization under the condition of oxygen limited to obtain charcoal powder after cooling and grinding; and (3) spraying the charcoal powder onto binder solution, packaging a fertilizer for 2-5 times, air drying after mixing uniformly, or pelleting through a comminutor, or compression molding through a mould, so as to obtain the charcoal slow-release fertilizer. According to the method, the process is simple, the cost is low, and the time and the energy are saved; and charcoal and the fertilizer are packaged according to a certain proportion, and a complementary or synergistic effect which exists between the charcoal and the fertilizer is utilized, so that the nutrient efficiency is improved.

The invention discloses an agricultural traveling soil turning and fertilizing integrated device which comprises a rotary blade, a lifting chamber, a bottom plate, wheels, a water tank, a cylinder body and a mixing chamber, wherein two ends of a rotating shaft of the rotary blade are rotationally connected with a supporting plate by virtue of a supporting rod; a bucket is arranged on the right side of the rotary blade and fixedly arranged at the lower end of the lifting chamber; the mixing chamber is formed in the right side of the lifting chamber; the water tank is arranged on the right sideof the mixing chamber; the right side of the water tank is fixedly connected with the cylinder body; a piston is connected into the cylinder body in a sliding manner; the lower end of the piston is fixedly connected with a push rod; the push rod penetrates through the lower end of the cylinder body and rotationally connected with a connecting rod; and the connecting rod is rotationally connected with an eccentric position of the wheels. The integrated device disclosed by the invention is novel in design, simple in structure and excellent in soil turning effect, and the fertilizer is fully mixed with soil in the soil turning process, so that the fertilization effect is improved, the labor intensity of labor personnel is lowered, and the land rearrangement efficiency is improved.

The invention discloses a fertilizer spreading, soil grabbing and soil covering machine comprising a frame (5), and a driving and travelling system, a transmission system, a fertilization system, a soil loosening and covering system and a control system which are arranged on the frame. The driving and travelling system comprises a gasoline engine (4), driving wheels (1) and an universal rear wheel (16). The transmission system comprises a speed reducer (2), a power output gear (21), a tension wheel (3), a first jaw clutch (24), a travelling driving gear (36), a main shaft (37), a main shaft gear (25), a travelling shaft, a travelling shaft gear (41), a second jaw clutch(38), a double transmission gear (40) and a soil-loosening shaft gear (31). A dynamic wheel (19) of the gasoline engine, the tension wheel and a speed reducer pulley (18) of the speed reducer are subjected to transmission with a synchronizing belt. The fertilizer spreading, soil grabbing and soil covering machine is easy to control. According to the invention, fertilizing, soil loosening and soil covering functions are integrated, and the machine has high working efficiency.

The invention belongs to the technical field of agricultural machines, and concretely relates to a deep soil fertilizer applicator. The deep soil fertilizer applicator comprises an earth cutting rod,a fixed frame, a limiting plate, planetary gears, an inner gear ring and cylinders, and the outer surface of the earth cutting rod is coaxially fixedly provided with a sleeve; the sleeve is rotatablymounted on the limit plate; the limiting plate is horizontally arranged above the fixed frame, the limiting plate is located below the rotary handle, and the limiting plate is connected with the fixedframe through the plurality of vertically-arranged cylinders; the number of planetary gears is four or more, and the planetary gears are engaged with a toothed structure of the sleeve; the inner gearring is rotatably mounted on the limiting plate, the inner gear ring is engaged with the planetary gears, and the inner gear ring is connected with and a through hole-through hole threaded structure;an inner cylinder is vertically arranged in the axial center position of a screw panel; and the inner cylinder is fixedly connected with the screw panel, the outer circumferential surface of a part,in contact with the inner cylinder, of the earth cutting rod is provided with sliding grooves, bosses are arranged on the inner wall of a second through hole of the inner cylinder, and the bosses arepositioned in the sliding grooves. The deep soil fertilizer applicator can realize smooth fertilization, and has a high working efficiency.

This invention discloses a production method for rice fertilizers , namely a production method for SCU, in which, large grains of urea pass through flowing melt sulfur to realize coating to urea, then melt olefin is sprayed to it to be cooled to room temperature , then a conditioner is added to the rice fertilizer, and the conditioner is dolomite powder or diatomite adsorbed on the surface of the rice fertilizer grain in the 1.5-2.5% volume of the weight of the rice fertilizer, the conditioner is added in a roller screen, in which, substances on the screen are finished products and conditioners below the screen is fed back to the feeding port by a screw feed machine, the rice fertilizer processed by this method alters surface structure of SCU grains and increases spreading speed of water on the grain surface.

The invention discloses a self-moving deep soil scarification and fertilization operating vehicle. The self-moving deep soil scarification and fertilization operating vehicle comprises a vehicle body which can freely move to an operating area and operating guns which can implement deep soil scarification and fertilization, and manipulators used for clamping the operating guns to be inserted into soil are arranged on the vehicle body. The self-moving deep soil scarification and fertilization operating vehicle is light in weight and low in power, avoids soil compaction, and has the advantages that the working mode cannot damage root systems, and the soil scarification and fertilization effect is excellent.

The invention discloses a shock-absorption ditching and fertilization integrated system for camellia oleifera planting. The system comprises a fertilizer storage and mixing device and a ditching device, a fertilizer is firstly stored in the fertilizer storage and mixing device, when the fertilizer needs to be applied, the fertilizer is mixed and sent to the ditching device through the fertilizer storage and mixing device according to actual needs, and a land is ditched and fertilized. The fertilizer storage and mixing device comprises a storage outer shell, partition plates are fixedly connected to an interior of the storage outer shell at equal intervals, storage boxes are fixedly connected to positions, corresponding to side edges of the partition plates, in the storage outer shell. Theintegrated system has a scientific and reasonable structure, and safe and convenient use. An interior of the storage outer shell is divided into a plurality of storage spaces through the arranged partition plates, so that different types of fertilizers are conveniently stored, convenience of the device is improved, meanwhile, by rotating a lifting rod, the lifting rod drives a telescopic shell tomove through a lifting block, a height of the telescopic shell is adjusted, and then a storage capacity of the storage boxes is improved.

The invention discloses an efficient soil disinfection and fertilization device. The efficient soil disinfection and fertilization device comprises a frame, a rotating drum is arranged among the support legs of the frame, and the left of the rotating drum is fixedly connected with a shovel bucket; a first driving shaft is arranged inside the rotating drum and fixedly connected with first spiral blades. The efficient soil disinfection and fertilization device can dig out deep soil through the shovel bucket and the rotating drum, stir the soil through the spiral blades and crush clods through crushing blades; the efficient soil disinfection and fertilization device also comprises a steam generating device, which can generate steam and uniformly and efficiently heat the soil through circumferentially-distributed atomizing spray nozzles to greatly improve the soil disinfecting efficiency and effects; the crushing blades and a grinding barrel can crush fertilizer into powder and then the spiral blades can efficiently mix the powder fertilizer with the soil to improve the fertilizer application uniformity and effects, to save fertilizer and to improve the working efficiency.

The invention relates to a farm device and particularly relates to an agricultural fertilization device for vegetable fields. The agricultural fertilization device for vegetable fields is easy to operate, has good fertilization effects and promotes the crop growth. The agricultural fertilization device comprises a support plate, wheels, a support rod, a feeding hopper and a slotting mechanism. Thebottom of the support plate is provided with the wheels. The top of the support plate is vertically connected to the support rod. The support rod is provided with the feeding hopper. A valve is arranged at the discharge position of the feeding hopper. The slotting mechanism is installed in front of the support plate. The feeding hopper is provided with a swinging mechanism. The right side of thetop of the support plate is provided with a push handle. The slotting mechanism and the swinging mechanism cooperate with each other and realize slotting and fertilization in the vegetable fields. Through improvement of a soil pushing mechanism and a guide mechanism, the operation is simple, fertilization effects are good and the crop growth is promoted.

The invention relates to a preparation method of a micro-nano mineral selenium fertilizer. The preparation method is characterized by comprising the following steps: (1) coarsely grinding raw material selenium-enriched mineral into coarse selenium mineral powder by a first grinder; (2) then finely grinding the coarse selenium mineral powder into fine selenium mineral powder by a second grinder; (3) adding humic acid and additives into the fine selenium mineral powder, and mixing by using water; (4) adding a mixture obtained in the step (3) into a stirring mill for wet processing for 0.2-5 hours; (5) concentrating a product obtained in the step (4), and then drying and scattering by using a dryer. The micro-nano mineral selenium fertilizer prepared by the preparation method is natural in components and pollution-free, and can improve the selenium content in soil, promote the crop growth, and improve the selenium content in the product.

The invention provides a fertilizer applier for different fertilizers of a park. The fertilizer applier comprises a mobile fertilization fixing device and a fertilization device, wherein the mobile fertilization fixing device comprises a push rod, a push handle, a base, wheels and a support base; the wheels are arranged right below a third vertical column; the push rod is welded on the right side surface of a fertilization tank; the push handle is welded on the push rod; the support base is welded on the left side surface above the base; the fertilization device is arranged on the support base and comprises a discharge tank, a fertilization tank, a first fertilizer storage tank and a second fertilizer storage tank; the fertilization tank is arranged on the support base; the discharge tank is welded at the lower end on the left side of the fertilization tank; the first fertilizer storage tank is fixedly arranged on the left side above the fertilization tank through a first screw; and the second fertilizer storage tank is fixedly arranged on the right side above the fertilization tank through a second screw. The fertilizer applier has a good property of shock absorption, and is convenient in changing different fertilizer storage tanks, simple in overall structure and uniform in fertilization.

The invention discloses an intelligent greenhouse and environmental control method of using the greenhouse effect for heat collection and fan coils for heat exchange. The greenhouse is a multi-unit combined light-transmissive greenhouse with a highly overhead structure and comprises fan coil devices which are arranged at the middle-upper portions of the greenhouse, wherein each fan coil device integrating a heat exchanger and a wet curtain comprises a high-air-volume low-air-pressure fan and is provided with an inner water circulation pipe and an outer water circulation pipe, and the fan coildevices are connected to a heat storage pool through one water supply and return pipe. Two curtain layers are arranged above and below the devices respectively. An intelligent control system is designed, the greenhouse is closed for keeping warm in the cold season, the fans are started, internal water circulation of the coils is enabled, the solar heat is accumulated into water during daytime, andcrops are supplemented with CO2 gas fertilizer; the solar heat in the water is released into the air during nighttime. The greenhouse is opened for ventilation in the hot season, the fans are started, and external water circulation is enabled; the ventilation cooling effect is improved through evaporation and heat absorption on the surfaces of the heat exchangers. The problem that the cost is toohigh when existing methods are adopted for regulating the greenhouse environment is solved in an environment-friendly low-carbon mode, the remarkable effects of increasing the production, improving the quality, reducing the consumption of drugs and saving water are achieved, and transformation and upgrading of facility agricultural production modes are facilitated.

The invention discloses a fertilization device allowing dynamic adjustment of the fertilization amount as well as an adjustment method. The fertilization device comprises a fertilizer box, wherein thebottom of the fertilizer box is connected with a base, a feeding hopper is connected to the top of the fertilizer box, a motor is arranged at the top of the fertilizer box, a rotating shaft is connected to the motor, the rotating shaft is sequentially connected with a crushing wheel, a brush and a stirring rod from top to bottom, a filter net is arranged in the fertilizer box, baffles penetrate through two sides of the fertilizer box, the baffles are connected with control rods, a screw rod penetrates through the control rods, rotation directions of two ends of the screw rod are opposite, a discharge hopper is fixedly connected to the lower part of the fertilizer box, a discharge pipe is connected to the bottom of the discharge hopper, the right side of the top of the base is fixedly connected with an adjustable push handle, and a damping moving assembly is arranged at the bottom of the base. The distance between the two baffles can be adjusted through rotation of the screw rod, so that the fertilization amount is adjusted, meanwhile, the motor drives the crushing wheel to rotate, large-grained fertilizer and caked fertilizer can be crushed, and a user can adjust the height of theadjustable push handle according to the height of the user.

The invention discloses a control system for the viscosity of compound fertilizer slurry, comprising a feeding mechanism, a mixing tank, a rotary spray head, a slurry conduit, a control system and a rotary spray head motor. The compound fertilizer slurry in the mixing tank enters the rotary spray head through the slurry conduit, and the rotary spray head motor drives the rotary spray head to granulate. The control system comprises a pressure sensor, a pressure sensor processing device, a signal amplifying device, a rotating speed controller and a feeding ratio controller, wherein the pressure sensor device detects the pressure value of the compound fertilizer slurry, outputs the detected pressure value to the pressure sensor processing device in a mode of detecting current and forms a detecting current signal, and then a control signal is formed through the signal amplifying device and output to the rotating speed controller and the feeding ratio controller so as to control the rotating speed of the rotary spray head motor and the feeding ratio of the compound fertilizer slurry. The control system can control the viscosity of the compound fertilizer slurry so as to ensure that the compound fertilizer has uniform grain size, high utilization rate and uniform nutrient, and is easy to absorb.

The invention discloses completely-water-soluble organic-inorganic biological bacterial fertilizer. The water-soluble fertilizer is composed of amino acid, yeast powder, amino acid chelated trace element fertilizer, boric acid, magnesium sulfate monohydrate and functional biological bacterial agent. The preparation method includes the steps of chelating reaction, mixing reaction, drying and smashing to obtain biological organic water-soluble fertilizer. The amino acid, the yeast powder and the amino acid chelated trace element fertilizer provide other nutrient elements and can provide sufficient carbon elements for crop growing, so that input-output ratio is higher with same input, and yield is increased by 30% averagely. The preparation method is simple in preparation process and simple in processing equipment, utilization rate of trace elements at a later stage is increased, and loss of other nutrient elements of the fertilizer during processing is avoided.

The invention discloses a uniform-feeding agricultural fertilizing apparatus. The apparatus comprises a mounting plate, road wheels are arranged at the bottom of the mounting plate, a tool box is arranged at the left side of the mounting plate, a soil turning shovel is arranged at the right end of the tool box, an adjusting device is arranged at the upper end of the soil turning shovel, the adjusting device is fixed to a stirring main body by a connecting rod, the stirring main body is arranged on the mounting plate, a first rotating shaft is arranged in the stirring main body, a first belt pulley is arranged at the right end of the first rotating shaft, the first belt pulley is connected with a second belt pulley through a belt, the second belt pulley is arranged at the output end of a rotating motor, the rotating motor is arranged on the mounting plate, the first rotating shaft is provided with stirring vanes, a discharge port is arranged at the left end of the bottom of the stirringmain body, and the vibration plate is arranged at the bottom of the discharge port. The uniform-feeding agricultural fertilizing apparatus has the advantages of simple structure, low labor intensity,simplicity in operation, good applicability, good fertilization effect and easiness in promotion.

The invention provides a tissue-culture rapid propagating method for wild bletilla striata and relates to the technical field of plant culture propagation. The tissue-culture rapid propagating method for the wild bletilla striata, provided by the invention, comprises the following steps: (1) seed culture stage; (2) plow-land transplanting stage, wherein the seed culture stage comprises the steps of 1) explant disinfection, 2) culture medium preparation, 3) sowing, 4) culture room culture and 5) greenhouse seedling hardening; the plow-land transplanting stage comprises the steps of 1) land preparation, 2) sowing, 3) fertilizer application management and 4) disease and insect pest control. According to the tissue-culture rapid propagating method for the wild bletilla striata, provided by the invention, strict check is carried out from seed culture to plow-land-transplanted cultivation, and all the steps are combined tightly and interact, so that the survival rate of the wild bletilla striata is increased, and the method is applicable to large-scale planting.

The invention discloses an agricultural hole-digging, watering and fertilizing device. The agricultural hole-digging, watering and fertilizing device comprises a machine body, wherein a working cavitywith a forward opening is formed in the machine body; a hole digging and soil discharging assembly used for digging holes and discharging soil is arranged in the working cavity; the hole digging andsoil discharging assembly comprises a supporting plate fixedly installed on the inner wall of the left side of the working cavity; and a spline shaft extending up and down is rotationally connected tothe right portion of the supporting plate. Hole digging and soil discharging work before fertilization can be carried out through the hole digging and soil discharging assembly, soil can be conveniently dug through a watering assembly, fertilizer absorption is facilitated, and a compound fertilizer needing to be applied can be mixed and stirred through a fertilizer stirring assembly, the fertilizer can be intermittently controlled to enter soil through a fertilization assembly, backfilling can be conducted on the fertilized piled soil through a soil filling assembly, the fertilization efficiency is improved, and the fertilization effect is enhanced.

The invention relates to special controlled release fertilizer for potted flower pineapple and a preparing method thereof. The fertilizer is obtained by compounding sulphur coated urea, modified epoxy resin coated ammonium phosphate with different coating amount, modified epoxy resin coated potassium nitrate, modified epoxy resin coated compound fertilizers, kalium sulphuricum compound fertilizers, etc. The special controlled release fertilizer for potted flower pineapple is applied every year to avoid damage on the root of pineapple due to applying fertilizer time after time, has advantages of saving labor and power, improving fertilizer availability ratio, satisfying request of nitrogen, phosphorus and kalium during different growth periods, avoiding fertilizer damage, and holding good appearance of pineapple.

The invention relates to the field of agricultural machinery, in particular to a fertilizer mixing system for both solid and liquid. The fertilizer mixing system comprises a feeding device, a mixing device, a dispersing device, a fertilizing device and a supporting unit, the feeding device comprises a sealing cover and a hopper, the mixing device can mix solid fertilizer and liquid fertilizer respectively, and the dispersing device is used for dispersing mixed fertilizer. The fertilizer mixing system is mainly suitable for cooperating with the fertilizing device to quickly complete mixing of solid-state fertilizer and liquid-state fertilizer and can uniformly supply the mixed fertilizer into the fertilizing device. When the fertilizer mixing system works, mixing of the solid fertilizer and the liquid fertilizer can be realized through a same power device, so that size of the system is reduced to a certain degree, and fertilizer loading ability and endurance of a fertilizing system are improved.

The present invention relates to a water-soluble calcium fertilizer and a preparation method thereof. The water-soluble calcium fertilizer is made of mother liquor of calcium ammonium nitrate and an auxiliary agent; wherein, the mother liquor of calcium ammonium nitrate consists of nitric acid, calcium oxide and ammonia; the auxiliary agent consists of boric acid, zinc sulfate, ferric oxide, chelating agent of ethylenediaminetetraacetic acid, and sodium molybdate. In the preparation method, the mother liquor of calcium ammonium nitrate and the auxiliary agent are prepared at first; then the mother liquor of calcium ammonium nitrate is heated in a reactor; the auxiliary agent is put in the reactor and mixed with the mother liquor; the mixture is discharged into a material trough for natural cooling; and the water-soluble calcium fertilizer can be prepared after the mixture is cooled, granulated by a pelletizer, dried, screened and packaged.

The invention provides a fertilizer applicator comprising a frame, the front end of the frame is provided with a traction frame, the back end of the frame is provided with a walking wheel, a fertilizing device, a hole digging device and a soil covering device are arranged on the frame, the hole digging device comprises a hole digging device outer frame, a hole digging rotating shaft and a helical tooth are arranged in the hole digging device outer frame, the outer side wall of the hole digging device outer frame is connected with a hole digging lifting oil cylinder, the lower end of the hole digging lifting oil cylinder is fixed on the frame, and the lower end of the side wall of the hole digging device outer frame is hung above the frame; the fertilizing device includes a chemical fertilizer storage tank and a farm manure storage tank which are separated by a separator; a fertilizing control board is arranged between the side wall of the chemical fertilizer storage tank and the separator, the fertilizing control board is a scalable plate, one end of the scalable plate is fixed at the external of a fertilizer storage tank, and is connected with a fertilizing control oil cylinder, the lower part of the fertilizer storage tank is connected with a stirring tank, and the lower end of the stirring tank is connected with a fertilizer conveying pipe. The fertilizer applicator integrates the functions of hole digging, fertilizing and soil covering soil, and realizes the interval fertilization of a farmyard manure and a chemical fertilizer.