32results about How to "Easy to plant" patented technology

The invention relates to a plant remediation technology for a soil polluted by heavy metal of cadmium, and discloses a method for remediation for soil polluted by cadmium by utilizing eucalyptus grandis of Myrtaceidites. In the technology, the eucalyptus grandis is planted in the soil polluted by heavy metal of cadmium, and the accumulated heavy metal of cadmium is absorbed by virtue of the enrichment characteristic of the plants of the eucalyptus grandis on the cadmium, and most of the cadmium is transported to the overground parts of the plants; and litters such as fallen leaves, fallen branches and fallen barks of the eucalyptus grandis are collected in late autumn every year, and the eucalyptus grandis is cut after being planted for three years, an ashing treatment is performed, and the heavy metals are extracted, so as to achieve a purpose of remediation for the soil polluted by the cadmium. The eucalyptus grandis is rapid in growth, high in biomass, and capable of holding and absorbing heavy metals, remaining stumps to branch out, performing continuous remediation for the soil polluted by cadmium, raising the virescence level of the districts polluted by heavy metals, and creating environmental benefits. The saplings of the eucalyptus grandis are convenient to obtain, low in price, simple in plantation and management, and convenient for engineering utilization.

The invention discloses a method for planting Aegiceras corniculatum in a fresh water basin, aiming to provide a method for planting Aegiceras corniculatum in the fresh water basin which has a simple planting method and has the survival rate of the Aegiceras corniculatum of more than 99.00%. The technical essentials comprise the following steps of: (1) utilizing Aegiceras corniculatum of one year old and planting the Aegiceras corniculatum into a flower pot filled with matrix, wherein one individual plant is planted into each flower pot and the matrix is composed of soil, river sand and sawdust in the volume ratio of (1-2) to (0-1) to (0.5-1); (2) irrigating fresh water to cultivate and planting in a shade place for 7-10 days; (3) cultivating the planted Aegiceras corniculatum under the conditions that the illumination intensity is 1000-7500 Lux, the temperature is in a range of 25-35 DEG C, the humidity is 50-98% and the water content of the matrix is 55-98%; and (4) applying compound fertilizer solution with the concentration of 0.8% for one time every 60 days and spraying medicine to kill insects and prevent diseases for one time every three months to guarantee the normal growth of plants. The method provided by the invention belongs to the technical field of planting.

The invention discloses a method for repairing vanadium-chromium-contaminated soil by using goosegrass, comprising the following operations: sowing the seeds of goosegrass [Eleusine indica (L.) Gaertn.] in soil polluted by vanadium and chromium, During its growth, it can enrich the vanadium and chromium in the soil, and remove it from the soil as a whole after the growth is mature. Vanadium and chromium in the soil will also be removed. Continuously plant multiple crops of goosegrass in the soil to gradually remove vanadium and chromium that exceed the standard in the soil. Goosegrass uses its extremely developed root system to not only absorb V and Cr in the soil to its roots, and then transfer the heavy metals from the roots to the aboveground parts of the plant through growth, but also effectively reduce the downward migration of heavy metals Risk of groundwater contamination.

The invention belongs to the technique field of town ecological greening engineering. The employed straw seed for lawn is the mixture of perennial cold-season straw seed of high grade: Lingzhi fescue, Jiaozhan fescue and Gaodijianguying, and the warm-season straw seed: normal hybrid Gouyagen with a certain proportion, producing the greensward reel without soil and screening; the ability of over-winter and over-summer of the reel is good and the green period is as long as 10 months; the time for reel production is about 40 days, the breeding speed is high and the production cycle is short. The principle that the method based is the technology of cultivation without soil: applying the rice husk deserted in the countryside as lawn-forming base material, applying the farm manure-pig fecal as fertilizer, not screening, covering with saw powder; employing the lawn straw with strong root-growing potential as main body for the lawn establishment, curing for a short period and producing greensward reel rapidly which is facilitating for transportation and bed-planting.

The invention relates to a plant grafting method, in particular to a fast-growing and early fruit bearing seedling raising method for a Pinus koraiensis Sieb.et Zucc., which is realized in such a way that branches of the Pinus koraiensis Sieb.et Zucc. with female cones are grafted on seedling branches of a Pinus tabulaeformis Carr. The seedling of the grafted Pinus tabulaeformis Carr. is transplanted on the hill one year after survival, can grow 50 centimeters tall per year on average and can bear 3-4 fruits after being planted for 6 years under natural growth without fine management. By grafting branches of the Pinus koraiensis Sieb.et Zucc. on the seedling of the Pinus tabulaeformis Carr., the practice shows that the grafted seedling grows faster than the naturally planted Pinus koraiensis Sieb.et Zucc. seedling, has early fruit bearing time, short cycle and low requirement on geologic conditions, is widely planted and inevitably brings good economic benefits with respect to fruit and wood.

The invention discloses an accurately-positioning minimally-invading planter, and belongs to the technical field of the medical equipment. According to the provided technical scheme, the accurately-positioning minimally-invading planter comprises a puncture manipulator for puncturing tissues and placing an operation sleeve and the planter for sending and releasing an implant at the planting position. The puncture manipulator comprises the hollow tubular operation sleeve and a puncture needle sleeved in the operation sleeve; and the planter comprises a hollow tubular implant protective sleeve for protecting the implant and an implant releaser for ejecting, fixing and releasing the implant. A positioning ring is further installed in the implant releaser, the positioning ring is used for fixing and protecting the implant before planting the implant, and the positioning ring can be used for indirectly positioning the implant in the X-ray development after planting; and the positioning ring is visual by the naked eyes, so that the second operation of the implant can be conveniently carried out later. The accurately-positioning minimally-invading planter is simple in structure, and capable of sending the operation sleeve to the planting position so as to form a planting channel through the puncture needle, and safely sending the implant releaser with the implant to the planting position and releasing the implant through the implant protective sleeve, the minimally-invading planting does not need the large incision, and the two-stage operation of the implant can be carried out when needed, and the operation is convenient, safe and reliable.

The invention discloses a planting method for radix pseudostellariaes with good production and good quality. The method comprises the steps of base selection, germplasm selection, cultivation, field management and harvest; wherein the cultivation comprises land preparation, planting ditch ditching, base fertilizer applying, sowing, soil covering and disinfection; and the field management comprisestillage and weeding, topdressing, drainage and irrigation, and pest control and shading. The planting method for the radix pseudostellariaes with good production and good quality adopts the combination of traditional and modern to develop traditional Chinese medicine standard green planting, the amount of pesticides and chemical fertilizers is greatly reduced, the planted radix pseudostellariaescan meet the requirement of the <good agricultural practice for Chinese crude drug> (trial implementation) and the < green industry standard for import and export of medicinal plants and products>, ina year with stable climate, the yield per mu of radix pseudostellariaes can be stabilized at 135kg-160kg (dry goods). The planting method for radix pseudostellariaes with good production and good quality has the advantages of high yield, high quality, ecology, stability and controllability, considerable economic and social benefits and good ecological and environmental benefits.

The invention provides a remediation reagent for mine soil contaminated with heavy metal lead and a use method of the remediation reagent, and belongs to the field of environmental treatment. The remediation reagent is prepared from, by weight, 10-30 parts of calcium hydrogen phosphate, 15-25 parts of ammonium dihydrogen phosphate, 10-20 parts of potassium dihydrogen phosphate, 5-10 parts of sodium dihydrogen phosphate, 10-20 parts of an alkaline regulator, 60-90 parts of soil fillers and 100-200 parts of natural ore powder. The remediation reagent for the mine soil contaminated with the heavymetal lead and the use method of the remediation reagent have the advantages that the calcium hydrogen phosphate, the ammonium dihydrogen phosphate, the potassium dihydrogen phosphate and the sodiumdihydrogen phosphate are acidic substances, three natural mineral powders of optimized apatite powder, hydroxyapatite powder and phosphate rock powder are also acidic, the alkaline regulator is of course alkaline, and the two soil fillers of lime and cement are also alkaline, so that the acid-base balance can be coordinated while free lead is fixed, all the selected substances can effectively fixthe free lead, thereby reducing the content of the free lead in the soil to a qualified standard, and the selected substances can act as fertilizers for subsequent plant planting.

The invention belongs to the technical field of forestry seedling raising, and particularly relates to a container seedling raising method for ammopiptanthus mongolicus, which comprises the following steps that: S1, sandy soil, nursery soil and a compound fertilizer are mixed to prepare a seedling raising matrix according to a mass ratio of 2: (0.9-1.1): (0.9-1.1); S2, a seedling raising bag is filled with the seedling raising matrix, the seedling raising bag is placed in a seedling raising pond, and the seedling raising matrix and the seedling raising bag are thoroughly watered; S3, the seeds are disinfected and washed, the seeds are soaked in water for 1-1.2 h, water is added to submerge the seeds by 1-1.3 cm after washing and draining, the seeds are covered with water absorption cloth, and soaking lasts for 10-15 h; S4, sowing is performed when the temperature of the seedling raising matrix is above 15 DEG C, and the seedling raising bag is covered with a plastic film after sowing; S5, after the seedlings break through the ground by 1-1.5 cm, the plastic film is uncovered, watering is conducted once when the first pair of real leaves grow, weeds are removed at the same time, and then watering is conducted once every 15-20 days; S6, after the fourth pair of real leaves and more than three branches of the seedlings grow, and the height of the seedlings is more than 15 cm, outplanting and transplanting are performed. The container seedling raising method for ammopiptanthus mongolicus can prevent ammopiptanthus mongolicus seedlings from the disease, and meanwhile, the germination rate, the survival rate and the outplanting rate of the seedlings are remarkably improved.

The invention discloses a sugarcane seedling transplanting machine. The sugarcane seedling transplanting machine comprises a frame, wheels and transplanting mechanisms and is characterized in that each transplanting mechanism comprises a furrowing device, a seeding device and soil covering device, the seeding device comprises a horizontally arranged rotary disc, an annular retaining rack located right below the rotary disc and a plurality of seedling cups, the retaining rack is provided with an opening, the seedling cups are evenly arranged at positions, corresponding to the top of the retaining rack, of the rotary disc, a cover which can turn vertically is connected to the bottom opening of each seedling cup, an elastic mechanism is arranged between each cover and the corresponding cavity, each cover is blocked by the retaining rack and closed in a normal state, and each elastic mechanism allows the corresponding cover to turn downwardly to open the bottom opening of the correspondingcavity when the corresponding seedling cup on the rotary disc rotates to the opening of the retaining rack; the soil covering device is located at the rear of the furrowing device. By the sugarcane seedling transplanting machine, structure simplification can be achieved, and equipment service life can be prolonged.

The invention discloses a leaf fertilizer for Chinese scholar tree saplings and a preparing method of the leaf fertilizer and relates to the technical field of sapling planting. The leaf fertilizer is prepared from, by weight, 30-40 parts of soybean meal, 20-25 parts of beet leaves, 15-20 parts of illicium anisatum leaves, 10-15 parts of castor leaves, 10-15 parts of mineral oil, 8-13 parts of dioscorea bulbifera leaves, 8-13 parts of algal polysaccharides, 6-10 parts of stillage, 5-8 parts of lysimachia christinae hance, 5-8 parts of tea seed powder, 4-6 parts of red rice powder, 3-5 parts of cane molasses, 2-4 parts of citric acid residues, 1-2 parts of borneol and 1-2 parts of borax. The leaf fertilizer contains rich nutrient substances needed by growth of Chinese scholar tree saplings, the raw materials are cheap and easy to obtain, and resources are reasonably reutilized; in addition, excellent insect prevention and bacterial prevention effects are achieved, pests and diseases are controlled while fertility is ensured, planting operation is simplified, the labor amount of planting personnel is reduced, and large-scale planting is facilitated.

The invention relates to a fertilizer processing technology, particularly to a special peach tree fertilizer capable of improving SOD activity, and an application method thereof, wherein the main materials comprise, by weight, 2.0-3.2 parts of seaweed, 0.5-2.0 parts of a spirulina extract, 0.06-0.12 part of Brassica campestris pollen, 2.2-3.0 parts of a burdock extract, 20.0-38.5 parts of farmyardmanure, 10.0-15.0 parts of urea, 13.5-17.5 parts of monoammonium phosphate, 5.6-9.4 parts of potassium sulfate, 3.7-5.8 parts of magnesium sulfate, 5.0-7.6 parts of calcium carbonate, and 0.01-0.04 part of vitamin C. According to the present invention, with the special peach tree fertilizer, the frost resistance, the disease resistance and the antibacterial ability of peach trees are improved, the chlorophyll content and the SOD activity of peach leaves are improved, the absorption and utilization of nutrients is promoted, the action time of fertilizers is effectively prolonged, the effectivecombination of slow release and rapid release is achieved, and the waste of nutrients is avoided.

The invention provides a one-year-two-cropping grape planting method. The one-year-two-cropping grape planting method comprises the following steps of S1, grape variety selection; S2, cultivation andorchard establishment; S3, management after field planting; S4, management of new shoots and flowers and fruits after flower promoting pruning; S5, fertilizer and water management; S6, environment regulation and control; S7, pest control; S8, environment regulation and control after grapes are ripe; S9, pruning in winter; and S10, a biennial summer first-time fruit production technology, wherein the technology comprises management of a greenhouse in early spring, management of fruiting shoots, management of the flowers and the fruits, cultivation of fruiting mother branches, and repeating of the steps S4-S9. According to the method, under the condition of facility cultivation, a method that the multi-time flowering capacity of the grapes is utilized, and facility delayed cultivation of thegrapes is carried out, and the grapes are ripe and come into the market before and after the Spring Festival is adopted, so that the one-year-two-cropping grapes are achieved, the grapes are ripe andcome into the market before and after the Spring Festival, field planting in the same year and high yield of the grapes in the same year are achieved, the blank that no fresh grapes come into the market before and after the Spring Festival at present is filled, and grape cultivation and planting are facilitated.

The invention relates to the field of agricultural machinery, in particular to an experimental plantation device for corn. The device comprises a supporting mechanism, a plantation mechanism and a water sprinkling mechanism, wherein the supporting mechanism comprises a transverse plate and supporting rods, limiting holes are formed in the transverse plate in an equal-spaced mode, the two ends of the transverse plate are in sliding connection with the supporting rods, the plantation mechanism comprises supporting tubes and compression bars, the upper end of each supporting tube is connected with the corresponding limiting hole, the lower end of each supporting tube is connected with a close cover through a spring, the inner wall of each supporting tube is provided with a sliding groove, each compression bar is in sliding connection with the corresponding sliding groove, the water sprinkling mechanism comprises a water pipe and spray nozzles, the water pipe is connected to a positioning rod which is connected to the lower end face of the transverse plate, and the spray nozzles are arranged on the water pipe in an equal-spaced mode. The device aims at solving the problem that in the prior art, sowing production efficiency is low due to the fact that experimental plantation of corn varieties has the requirement for plant spacing, and the experimental plantation device for corn is high in sowing efficiency.

The invention relates to the technical field of medical instruments, in particular to a bone support type upper jaw rear long implant implantation guide seat based on a three-dimensional printing technology. The guide seat comprises an upper jaw bone in-place fixing plate which is fixedly attached to the upper jaw bone, an implantation guide ring part which is arranged to be of a round sleeve structure, is coaxial with an implantation drill needle, is located below the upper jaw bone and directly faces the implantation position of the upper jaw bone, a guide piece which is coaxially and detachably inserted into the implantation guide ring part and is provided with a positioning hole which is through in the axial direction, allows the implantation drill needle to penetrate through and is matched with the penetrating implantation drill needle, and a pair of connecting rods which are integrally connected with the upper jaw bone in-place fixing plate and the implantation guide ring part, wherein the upper jaw bone in-place fixing plate, the implantation guide ring part, the guide piece and the pair of connecting rods are integrally formed. By adopting the scheme, the implantation operation can be simpler, more accurate and quicker.

The invention relates to the technical field of fruit planting, and discloses a fruit planting device. The fruit planting device comprises a machine body, the left side and the right side of the bottom of the machine body are fixedly connected with telescoping legs respectively, the middle of the inner wall of the machine body is provided with a circulating device, and the circulating device comprises an annular plate. The top and the bottom of the inner wall of the annular plate are fixedly connected with transverse gears respectively, the bottom of the inner wall of the machine body is fixedly connected with a fixing column which is located on the back side of the circulating device, and the top of the fixing column is fixedly connected with a servo motor. According to the fruit plantingdevice and the planting method thereof, through the cooperation of a long watering hole, a long fertilization hole and a grain limiting hole with a corresponding fertilization tank, a corresponding watering tank, a corresponding feed bin and corresponding connecting pipes, it is convenient for an operator to bury seeds and conduct watering and fertilization, and the situation that the operator complete the operation in multiple steps is avoided. Massive input of manpower and materials is reduced, the cost required by construction is reduced, and the fruit planting device and the planting method thereof are more convenient and efficient to use.

The invention discloses a matrix formula for vertical greening. The matrix formula for the vertical greening comprises ceramsite, vermiculite, perlite, bao green, peat soil, dried chicken manure, deer manure, turf, fertilizer, pesticide, bactericide, hormone and water, a matrix is prepared from the following components in parts by weight: 2 parts of the ceramsite, 1 part of the vermiculite, 2 parts of the perlite, 1 part of the bao green, 1 part of the peat soil, 2 parts of the dried chicken manure, 2.5 parts of the deer manure, 1 part of the turf, 1 part of the pesticide, 1 part of the bactericide, 1 part of the hormone and 5 parts of the water, the vermiculite, the perlite, the treasure, the peat soil, the dried chicken manure, the deer manure and the turf are mixed to form the matrix, the nutrient content is increased, the efficiency of absorbing nutrient components is enhanced by adding fertilizer, pests are inhibited by adding pesticide, the survival rate of vegetation is increased, meanwhile, a proper amount of hormone is added, the growth speed of the vegetation is increased, the leaf growth amount and the leaf number increase amount are large, plants are robust, and practicability is improved.

The invention discloses a planting method of organic passion fruits. According to the planting method, various factors in the planting process of the passion fruits are controlled, so that the planting operation of the organic passion fruits is facilitated, each organic passion fruit seedling is fully grown, the large-scale planting operation is facilitated, and the yield of the organic passion fruits is effectively improved; and a targeted solution is provided for various factors in the planting process of the organic passion fruits, so that the defects in the planting process of the organic passion fruits can be effectively solved in time, the survival rate of the organic passion fruit seedlings is improved, and the yield of the organic passion fruits is improved. The planting method has the advantages of facilitating large-scale planting and improving the yield.

The invention discloses a corn breeding cultivation rack, and relates to the field of agricultural planting. The corn breeding cultivation rack comprises a base, wherein the two ends of the top face of the base are fixedly connected with a first side frame and a second side frame respectively, the adjacent sides of the first side frame and second side frame are provided with transmission devices respectively, each transmission device comprises a transmission belt and transmission wheels, the number of the transmission wheels is two, every two transmission wheels are in transmission connectionthrough the corresponding transmission belt, the transmission wheels are coaxially and fixedly connected with rotating shafts, multiple cultivation grooves are formed between the first side frame andthe second side frame, the two ends of the top faces of the cultivation grooves are fixedly connected with connecting plates respectively, the top ends of the connecting plates penetrate through rotating rods and are fixedly connected with the rotating rods, and the rotating rods are in transmission connection with the transmission belts. The corn breeding cultivation rack has the advantages thatthe arranged transmission devices can drive the cultivation grooves to move, thereby being capable of achieving the effect that corn plants are cultivated in cultivation grooves in the vertical direction, the space utilization rate is high, and planting operation is facilitated.

The invention provides a porous fibrous reticular biological scaffold for treating aneurysm and vascular stenosis based on an alloy core and a preparation method of the stem cell scaffold. The preparation method of the scaffold comprises the following steps: pretreatment of an alloy metal scaffold: coating an alloy metal scaffold with gelatin, polylysine, fibronectin and laminin in sequence to prepare a pretreated scaffold; and attachment: putting the pretreated scaffold into a single-cell suspension of mesenchymal stem cells, and performing treating until the mesenchymal stem cells are attached to the scaffold, so that the porous fibrous reticular biological scaffold for treating aneurysm based on the alloy core is obtained. The porous fiber net-shaped biological scaffold for treating aneurysm and vascular stenosis based on the alloy core is high in mesenchymal stem cell loading rate, and corresponding mesenchymal stem cells can be conveniently planted to the aneurysm affected part.

The invention discloses a cultivation method for recovering abandoned a banana plantation to plant bananas. The cultivation method includes: clearing the overground part of bananas in the banana plantation, ploughing the underground part of the bananas and stirring uniformly; planting one-crop pineapples and managing the pineapples according to regular measures; harvesting pineapple fruits when the pineapples are ripe, ploughing other residues into soil and stirring uniformly; planting the bananas and managing the bananas according to regular measures, wherein the abandoned banana plantation is a plot in which a bananas morbidity of banana wilt is larger than 35%. The pineapples are simple to plant, applicable to large-area planting and good in economic benefits. During planting of the pineapples, the amount of pathogenic bacteria can be effectively restrained, pseudomonas with antagonism capability can be induced, and pseudomonas of soil can be improved. After the pineapple residues are ploughed into the soil, growth of hyphae and germination of spores of the pathogenic bacteria can be effectively restrained, outburst of the pathogenic bacteria is further controlled, and the bananas morbidity of banana wilt can be effectively reduced.

The invention relates to a soil preparation technology for traditional Chinese medicine planting, in particular to an efficient soil preparation machine for traditional Chinese medicine planting. The efficient soil preparation machine for traditional Chinese medicine planting mainly comprises a soil preparation structure and a fixing structure, wherein the soil preparation structure is composed of a vertical grid bar type cylindrical soil preparation device (vertical preparation device) and an inclined grid bar type cylindrical soil preparation device (inclined preparation device), the vertical preparation device and the inclined preparation device are formed by welding reinforcing steel bars, a direction changing device capable of adjusting the direction is arranged above the vertical preparation device, and an angle adjusting structure capable of adjusting the angle is arranged between the vertical preparation device and the inclined preparation device; supporting structures capable of stabilizing the machine are arranged on the outer sides of the vertical preparation device and the inclined preparation device, and the vertical preparation device and the inclined preparation device are connected into a whole through a connecting structure and the angle adjusting structure. According to the efficient soil preparation machine for traditional Chinese medicine planting, a capital V-shaped groove can be formed in soil by obliquely turning soil adhesion to drive the vertical soil preparation device and the inclined soil preparation device to rotate, traditional Chinese medicine planting is facilitated, soil smashing is more convenient through the vertical preparation device, slope soil smashing, pressing and forming can be achieved through the inclined preparation device, and traditional Chinese medicine seedlings can be conveniently placed and planted.

The invention discloses root dipping liquid for ginkgo tree seedling fixed planting, and relates to the technical field of seedling planting. The root dipping liquid is prepared from the following raw materials in parts by weight: 35 to 40 parts of bagasse, 20 to 25 parts of fresh corn cobs, 15 to 20 parts of oil-tea meal, 12 to 17 parts of asarum, 10 to 15 parts of folium isatidis, 10 to 15 parts of fructus evodiae, 10 to 15 parts of modified bentonite, 8 to 13 parts of gastrodia elata, 6 to 11 parts of zeolite powder, 5 to 9 parts of tung tree seeds, 5 to 9 parts of toosendan fruit, 3 to 6 parts of Arabian jasmine roots, 2 to 4 parts of castor bean, 2 to 4 parts of bamboo vinegar, 1 to 2 parts of mirabilite and 1 to 2 parts of sulphur. The root dipping liquid contains rich nutrition substances, can meet the nutrition requirements in a period time after the tree seedling fixed planting, has the insect killing and sterilization effects, and achieves the effects of effectively protecting the tree seedlings, improving the survival ratio of the fixed planting and simplifying the planting operation, so that the planting workload is reduced.

The invention discloses a planting device capable of detecting vegetable growth environment, and belongs to the technical field of agricultural planting equipment. The problem that soilless culture vegetables cannot reasonably control nutrient solution supply and check the growth environment is solved. The planting device comprises a planting box body, and further comprises a planting mechanism movably mounted in the planting box body and used for controlling the distance between plants and planting liquid through lifting, and a floating adjusting device mounted on one side of the planting mechanism and used for driving the planting mechanism to be away from the bottom of the planting box body; and when the planting mechanism is in contact with the floating adjusting device, the floating adjusting device is started. Planting operation is convenient, a nutrient solution is automatically supplemented through dislocation of floating plugs and liquid injection ports, the multiple planting box bodies are distributed in a stepped mode, flowing supply of the nutrient solution is achieved along with growth of vegetables, when the vegetables grow to be mature, the floating adjusting device is triggered to enable a planting plate to be located above the liquid level, the mature vegetables can be taken down conveniently, and operation is convenient and fast.

The invention relates to a quantitative seed dropping mechanism. The quantitative seed dropping mechanism comprises a seed dropping box, a guide sleeve seat, an upper seed dropping valve plate, a seed dropping valve block and a lower seed dropping valve plate. The bottom of the seed dropping box is provided with a row of seed dropping pipes arranged at intervals. Guide sleeves fitting to sliding sleeves corresponding to the seed dropping pipes at the bottom of the seed dropping box are integrated to the guide sleeve seat. The upper seed dropping valve plate is provided with first seed dropping valve ports corresponding to the ends of the guide sleeves. The lower seed dropping valve plate is provided with second seed dropping valve ports corresponding to the ends of the first seed dropping valve ports. The first seed dropping valve ports and second seed dropping valve ports are spring piece-type openings so that spring pieces are formed in the openings. The seed dropping valve block is provided with valve sleeves for communicating the corresponding the first and second seed dropping valve ports. The upper ends of the valve sleeves press against the spring pieces of the first seed dropping valve ports and the lower ends of the valve sleeves press against the spring pieces of the second seed dropping valve ports. In an initial state, the first and second seed dropping valve ports form the opening limiting seed passing. The quantitative seed dropping mechanism has seed dropping convenience and reliability, realizes quantitative seed discharge and has a uniform seed discharge amount.

The invention relates to the technical field of seedling planting, in particular to a forestry seedling cultivation fixing device. A forestry seedling cultivation fixing device comprises a cultivation ground and a seedling body cultivated on the cultivation ground. The forestry seedling cultivation fixing device has the beneficial effects that when wind power exists outside to push a piston to slide in a mounting pipe, in the piston moving process, an annular plate rotates on all fixing plates after being stressed, and in the rotating process of the annular plate, the annular plate is fixed to the fixing plates; the cleaning plates on the annular plate are driven to break and clean weeds around the outside of the protection box, the influence of surrounding higher weeds on illumination of seedling bodies is avoided, planting operation of the seedling bodies is further facilitated, and in the piston movement process, the bottom of planting soil of the seedling bodies is pushed to be loosened, so that the planting efficiency is improved. And the situation that the seedling body cannot be continuously cultivated due to hardening of the cultivation ground is avoided.