285 results about "Plant density" patented technology

A conveyor system (4, 5) moves vertical poles (2) in an agricultural facility between a growing area (20) and a workstation (W). Each pole carries plant growing containers (3) at multiple levels (H1-H9). An irrigation reservoir (30) may be mounted atop each pole. Irrigation lines (31-33) from the reservoir may be individually metered (35) at each level to compensate for differing water pressure with height. Sensors (40) in the reservoir and at each level of the poles may provide a controller (36) with data input. The controller may impose different growing conditions in different areas of the facility, including vertically different grow areas (20A, 20B), and controls pole movements and locations selectively to provide a sequence of poles at the workstation ready to harvest on a demand schedule. The workstation may have multiple heights (W1, W2, W3) for tall poles that increase plant density per facility footprint.

The invention discloses a forestry forest fire prevention safety intelligent monitoring and management system based on the Internet of Things. The system comprises a plant distribution area division module, a regional plant density statistics module, a regional monitoring point layout module, a regional environment parameter acquisition module, an environment parameter preprocessing module, a plant parameter database, a manual input module, a fire risk assessment coefficient statistics module, a management server, an early warning module and a remote monitoring platform. According to the invention, plant species identification and plant distribution region division are carried out on the whole forest region; meanwhile, a plurality of monitoring points are arranged in each sub-region; environmental parameter acquisition processing is carried out at each monitoring point; therefore, the fire risk assessment coefficient of each sub-region is counted, the possibility of a fire in each sub-region can be predicted in advance, the sub-regions of which the fire risk assessment coefficients are greater than the preset safety fire risk assessment coefficient are subjected to prevention processing, the occurrence of the fire is avoided to the maximum extent, and the damage to forest resources is reduced.

The invention relates to a method for restoring oil polluted wet land by combination of plant and microorganism. The method concretely includes: soil of oil polluted wet land to be restored is collected, autochthonous oil-munching bacterium screening is carried out by utilizing an inorganic salt culture medium containing the oil contamination, the culture and screening of autochthonous oil-munching bacterium are enlarged, and the autochthonous oil-munching bacterium is made into active bacterium preparation with OD600 of about 1.5 by adopting nutrition substrate with the urea concentration of 40g / L and the calcium superphosphate concentration of 15g / L; scripus triqueter seedling or scripus triqueter seed is planted in the oil polluted wetland soil, and planting density is 2500-5000 plants / m2; when seedling grows vigorously, the active bacterium preparation obtained by the step a is added into the root system soil planted with scripus triqueter seedling according to the mass ratio of about 100:1, when flowering period and mature period are finished, under the combined action of oil-munching bacteria and root system of plant, the oil polluted wet land is restored. Compared with the traditional soil management method, the method of the invention has the advantages of less investment, less work amount, low technical requirement and no secondary pollution. The restoring process not only can not destroy soil entironment but also is beneficial to improving soil degradation and productivity reduction which are caused by petroleum hydrocarbon pollution and recovering and improving biodiversity of soil.

The invention discloses a GAP (good agricultural practices) cultivation technique for a leaf-harvesting ginkgo garden with red soil. By the GAP cultivation technique, the yield and quality of ginkgo can be effectively improved and the standardization and industrialization of leaf-harvesting ginkgo planting in red soil in south of China are promoted. The GAP cultivation technique comprises building and management technique of the leaf-harvesting ginkgo garden, methods of seed selection, seed planting stage, planting density and fertilization of the leaf-harvesting ginkgo, field management, disease and pest prevention and control method, ginkgo leaf harvesting stage and harvesting method, and methods for medicinal material field processing and storage. By adopting the technical scheme disclosed by the invention, high-quality raw medicinal material is provided for traditional Chinese medicine extract and Chinese patent drug pharmaceutical enterprises; and the GAP cultivation technique has very important effect of guaranteeing the safety, high efficiency, stability and controllable quality of the traditional Chinese medicine extracts and Chinese patent drugs.

The invention discloses an intelligent agricultural plant protection operation control system based on big data Internet of Things. The intelligent agricultural plant protection operation control system comprises a regional image acquisition module, an image preprocessing module, a planting region division module, a crop resource database, a regional area statistics module, a regional plant density analysis module, a GPS tracking and positioning module, an unmanned aerial vehicle control terminal, a data management server and an operation height detection module. According to the intelligent agricultural plant protection operation control system, through using the regional image acquisition module and the planting region division module, crop types in a crop mixed planting region are identified and crop planting sub-regions are divided; by combining the regional area statistics module and the regional plant density analysis module, the pesticide spraying amount of each crop planting sub-region is counted; and pesticide spraying operation is executed by means of a pesticide spraying control terminal, effective pesticide spraying can be conducted on the crop mixed planting region, the operation scene of a plant protection unmanned aerial vehicle is expanded, and the technical level of plant protection is improved.

The invention discloses a seeder for uniform sowing, which comprises a casing, a fixed frame, wheels, a motor, a seeding box, a push rod and a battery; the lower surface of the casing is fixedly connected with a fixed frame, and the side walls of the fixed frame are respectively connected with front Axle, rear axle, the side wall of fixed frame is fixedly connected with motor, the left side of front axle is provided with perforated pile, the middle part of front axle is set with half gear, the right side wall of perforated pile is fixedly connected with rack, gear The drive shaft is set above the rear axle, and the inside of the casing is fixedly connected with the seeding box. When the device moves forward, the perforated pile can be used to evenly drill the seeding hole on the ground, and the turntable can be used to , so that the seeds fall into the sowing pit intermittently, maintain a certain sowing density, which is conducive to the growth of crops; during the sowing process, use the shovel to push the soil into the sowing pit, bury the seeds, start the water pump, spray liquid fertilizer, and bury and fertilize simultaneously conduct.

The invention provides a planting method for corn-soybean strip intercropping. The planting method includes the steps that corns and soybeans are seeded simultaneously, wide and narrow row spacing planting is adopted for the corns, the wide row line spacing of the corns is 140-190cm, the narrow row line spacing of the corns is 30-50cm, and planting density of the corns is 3500-4700 plants / mu. Two rows of soybeans are planted in a wide row of the corns, the row line spacing in a strip of the soybeans is 30-50cm, and the planting density of the soybeans is 8000-15000 plants / mu. The planting method can achieve the double high yield of the corns and the soybeans, and meanwhile can improve production efficiency.

A grow plant enclosure to maximize plant density for a given growing area has a perimeter frame, a first pane, and a second pane. The first pane is adjacently connected to the perimeter frame, while the second pane is removably attached to the perimeter frame opposite the first pane to form a hollow enclosure. A plurality of plug holder openings traverses through the first pane, and optionally the second pane, being designed to receive a plurality of plant holders for growing various plant types. A plurality of supply tubes traverse into the perimeter frame through a plurality of supply tube openings and each have a plurality of spray nozzles to deliver nutrient solution to the root zone of the plants retained in the plurality of plant holders. Excess nutrient solution is released through a drain fixture positioned about the bottom of the perimeter frame.

The invention relates to a relay intercropping method for rheum palmatum and corn. The relay intercropping method for the rheum palmatum and the corn is characterized by comprising the following operating steps: (1) selection and preparation of land; (2)corn nutritive cube or tray seedling;(3) corn plastic film mulching cultivation; (4) culture of rheum palmatumseedling; (5) rheum palmatum transplantation; and (6) rheum palmatum field management. Compared with the prior art, the relay intercropping method for the rheum palmatum and the corn has the advantages that rheum palmatum and high-stem crop corn relay intercropping is enabled to artificially create a damp environment where is beneficial to the growth of the rheum palmatum and the high-stem crop corn, the growth of the rheum palmatum is benefited, and output and quality of the rheum palmatum can be improved. Furthermore, temperature, light, water and land resources are fully utilized. Grain yield can be increased by two seasons in an equal area on the premise that planting density and output of the rheum palmatum are not reduced, the contradiction that grain crops and medicinal crops contend the land is effectively alleviated, and economic benefit is drastically improved. In addition, relay intercropping method for the rheum palmatum and the corn has the advantages of being easy and convenient to operate, capable of saving cost and easy to popularize.

The invention discloses an unmanned plane intelligent medicament supply sprinkling method comprising the following steps: using a three dimensional laser processing module carried by the unmanned plane to obtain plant density information below the unmanned plane; using a video image processing module carried by the unmanned plane to obtain plant growth and insect conditions below the unmanned plane; using the plant density information to determine a first coefficient [alpha], wherein 0<=[alpha]<=1, and using the plant growth and insect conditions to determine a second coefficient [beta], wherein 0<=[beta]<=1; using the first and second coefficients [alpha] and [beta] to determine the sprinkling medicament amount of the unmanned plane medicament sprinkling system. The sprinkling method can prevent the medicament insufficient application or overdose problems caused by using remote control personnel experiences or using a fixed medicament amount in the sprinkling process, thus helping plant growth.

The invention relates to a dry desert zone sand binder planting method. The survival rate of all kinds of sand binders is 70 percent or more in the dry desert regions with the annular precipitation ranging from 100 mm to 250 mm through sand face fixing, plant species selecting, planting density determining, planting mode selecting and seedling managing. The planted sand binders are planted along with deposition of falling dust on the surface of sand dunes, settlement of therophytes and growing of biological soil crusts are promoted, and long-term effective fixing of the sand dunes is guaranteed. By means of the sand binder planting method, the survival rate of the sand binders is guaranteed, the labor and seedling cost is reduced, and the purposes of preventing wind and fixing sand are achieved on the premise of maintaining the water balance.

The invention relates to a wheat cultivating method which comprises the following steps: selecting a land parcel with yield per mu of at least 500 Kg and organic matter weight content larger than 1 percent; fertilizing by adopting a prescription by the weight ratio of nitrogen to phosphorus to potassium of 3:1;4; selecting a wheat variety with good plant type structure, straight and big plant, more grains, high photosynthetic efficiency and grouting speed and stable grain weight; sowing the wheat variety twice in ways of line space shortening, sowing amplitude widening and planting density increase; and carrying out management before winter, spring management and later period management in sequence. The wheat cultivating method breaks through a normal mode of high water, fertilizer and sowing contents in the prior art, effectively solves the gradually raising contradictions between high yield and quality, high yield and lodging resistance, high yield and stable yield as well as high yield and efficiency, enables the wheat yield per mu to reach 700 Kg and has the advantages of simple technology and easy mastering.

The invention discloses an aerosol cultivation method for anoectochilus roxburghii. The aerosol cultivation method is characterized in that anoectochilus roxburghii seedlings are fixed in an aerosol cultivation device after being cleaned and disinfected, and root parts of the anoectochilus roxburghii seedlings are exposed; the aerosol cultivation device is provided with sealing space, a plurality of anoectochilus roxburghii fixing holes communicated with the inside and the outside are formed in the sealing walls, and the asnoectochilus roxburghii seedlings are fixed on the fixing holes with the stem leaf parts to be outward and root parts to be inward; and sprayers for performing gas atomization on nutrient solution are arranged in the sealing space of the aerosol cultivation device, and the nutrient solution after gas atomization is absorbed by the exposed root parts. As the aerosol cultivation method is adopted, compared with earth cultivation, the survival rate is greatly improved by more than 90%, the growth cycle is shortened to only 2-3 months, and the plants are generally 4-5 cm longer than those obtained through the earth cultivation method, and in addition, planting density and yield per unit land area are further increased. The method provided by the invention is conducive to automation and industrial production of anoectochilus roxburghii.

The present invention may relate to Aeroponic Systems and their individual elements. More particularly to automated systems capable of monitoring and adjusting some if not all of the light, nutrient, water quality and environmental factors required for the propagation and sustained growth of all types of plants. It may also describe methods to support the plants during propagation from seeds and for growth and harvesting. It may describe various methodologies for reducing space requirements and for increasing plant density without detriment to the growth cycles.

The invention discloses a hyperspectral measurement method of the nitrogen content of wheat plants. The method comprises the following steps: selecting test samples, collecting data, processing the data and screening models, constructing a most suitable monitoring model of the nitrogen content of the wheat plants, optimizing the monitoring model of the nitrogen content of the wheat plants, and testing and inspecting the monitoring model of the nitrogen content of the wheat plants. According to the method, different wheat genotypes are used as materials, hyperspectral remote-sensing technologyis utilized to measure the nitrogen content of the wheat plants under different conditions of planting locations, years, growth development time periods, fertilization levels, planting density and thelike, the hyperspectral remote-sensing technology overcomes the disadvantages of cumbersomeness, troubles and manpower consuming of traditional measurement methods, a large amount of continuous spectral information can be quickly, effectively and non-destructively obtained, and possibility is provided for real-time monitoring of crop growth trends and nutritional status and estimation of crop nitrogen content, yield, quality and the like.

The invention discloses a crown-closure apple orchard improvement method which mainly based on uprooting combined with tree form modification. Uprooting is a most fundamental, most thorough and most effective technological approach for crown-closure apple orchard improvement and mainly functions in removal of unnecessary plants, adjustment of planting spacing, reduction of planting density and opening of light paths and operation passages of orchards to solve the problem of crown closure of the orchards. According to tree ages, planting spacing and crown closure degrees of the orchards, two modes including 'one-time uprooting' and 'delayed uprooting' can be adopted for the crown-closure orchards. Sufficient work space and sufficient growth space for fruit trees are reserved after uprooting, the fruit trees are trimmed into proper shapes, preferentially heart shapes, by taking measures of lifting, topping, opening, branch pulling and the like, and accordingly fruit quality can be improved, and overall efficiency of the orchards can be improved.

The invention discloses a system for estimating growth conditions of field crops. The system comprises a field working machine and a remote management terminal, wherein the field working machine is used for collecting a crop canopy image in a field, so as to obtain an angle value measured by an angle sensor, and longitude and latitude values for positioning a working region; sending the crop canopy image, the angle value and the longitude and latitude values to the remote management terminal, wherein the angle value is related to the value of the hardness of crop straws and the value of the density of the crops; storing and processing the received crop canopy image, angle value and longitude and latitude values by the remote management terminal to obtain an operation instruction of the field working machine; sending the operation instruction to the field working machine. The invention further provides a method for estimating the growth conditions of the field crops; in the method, data including gravity, bending acting force of a connection rod, horizontal acceleration, the crop canopy image and the like are comprehensively adopted; under the condition of not damaging the crops, the continuous and accurate measurement on the straw hardness and the plant density of the crops can be realized without manual operation, and a crop growth condition picture is drawn.

A grow plant enclosure to maximize plant density for a given growing area has a perimeter frame, a first pane, and a second pane. The first pane is adjacently connected to the perimeter frame, while the second pane is removably attached to the perimeter frame opposite the first pane to form a hollow enclosure. A plurality of plug holder openings traverses through the first pane, and optionally the second pane, being designed to receive a plurality of plant holders for growing various plant types. A plurality of supply tubes traverse into the perimeter frame through a plurality of supply tube openings and each have a plurality of spray nozzles to deliver nutrient solution to the root zone of the plants retained in the plurality of plant holders. Excess nutrient solution is released through a drain fixture positioned about the bottom of the perimeter frame.

The invention relates to a cultivation and application method of poplar woods special for morchella, and belongs to the technical field of edible fungi planting. The cultivation and application methodincludes selecting poplar strains which sprout early in spring and defoliate late in autumn; selecting fertile sandy soil, with the pH value of 5-7.5, as soil for planting plots; planting poplars onthe planting plots according to the planting spacing of 3*4m or 4*4m, taking each 20mu as a planting area, arranging an operation road between every two adjacent planting areas, and cultivating the poplars for more than 3 years. The planting land special for the poplar woods is subjected to earth-up for morchella planting in every autumn. The cultivation and application method has the advantages that proper species, planting density, modification modes and under-forest morchella planting methods are selected based on existing poplar species; the morchella is planted every autumn after earth-up, so that yield of the morchella is increased, high product quality is achieved, and green food requirements are met.

The invention discloses a full-feeding type peanut combined harvester and belongs to the field of agricultural harvesting machinery. The full-feeding type peanut combined harvester comprises a vibrating digging shovel, a soil distributing and conveying device, a peanut picking device, a cleaning device, a peanut collecting device and the like. The vibrating digging shovel performs reciprocating vibration and is a sawtooth type vibrating digging shovel, a belt wheel transfers power to the vibrating digging shovel through a crankshaft and a connecting rod to achieve reciprocating vibration of the vibrating digging shovel. The soil distributing and conveying device is located at the rear portion of the digging shovel, and soil on peanut vines is screened while the soil is conveyed backwards. A feeding conveying belt is located under the back of the soil distributing and conveying device, the tail portion of the conveying belt extends into the peanut picking device, and the peanut vines are fed into the peanut picking device through the feeding conveying belt. The full-feeding type peanut combined harvester has the advantages that digging, soil screening, peanut picking, cleaning, peanut collecting and the like are finished in one time, the harvesting efficiency is improved, and peanut picking gaps of peanut picking rollers can be adjusted according to peanut varieties, planting density, maturity and the harvesting speed.

The invention discloses a crop growth vigour prediction method based on a climate effect, which comprises the following steps of: (1) respectively establishing an expected region and a test region atadjacent geographic positions, and respectively planting crops; (2) recording growth periods of the crops and acquiring growth vigour data of different growth periods of expected crops and test crops;(3) acquiring plant height means and plant densities of the expected crops and the test crops; and (4) according to a difference between the plant height means of the test crops and the expected crops and a variance value between the plant densities of the test crops and the expected crops, evaluating a growth vigour condition of the crops. According to the invention, by changing climate conditions for growth of the crops, establishing the crop expected growth region and the crop test growth region, acquiring various feature parameters of the expected crops and the test crops, which reflect the growth vigour of the crops, and comprehensively analyzing the deviation degree of the crop parameters, the growth vigour condition of the crops is accurately obtained.

The invention relates to a winter wheat high-yield cultivation fertilizing method considering environment capacity in a moisture soil region of the north Henan province. The method includes the following steps that (1) summer maize straw is completely smashed and returned to the field, according to measurement based on N content, basal application of nitrogen fertilizer ranges from 76 kg / hm<2> to 125 kg / hm<2>; according to measurement based on P2O5 content, basal application of phosphate fertilizer ranges from 90 kg / hm<2> to 180 kg / hm<2>; according to measurement based on K2O content, basal application of potash fertilizer is 80 kg / hm<2> and the plowing depth ranges from 15 cm to 18 cm; (2) wheat seeds are mechanically sown in lines, the sowing depth ranges from 3 cm to 5 cm, and the plant density ranges from 2,600,000 stocks / hm<2> to 2,800,000 stocks / hm<2> in the seedling stage; (3) according to measurement based on N content, after 76 kg / hm<2> to 125 kg / hm<2> of nitrogen fertilizer is dressed in the elongation stage, seedlings are watered in time. According to the method, a wheat-soil-fertilizer system serves as a research object, fertilizer is reasonably applied, the chemical fertilizer input capable of meeting the requirements for high wheat yield and environment friendliness is searched for, non-point source pollution is scientifically prevented and treated, and harmonious development of agricultural production and environmental protection is facilitated.

The invention discloses a method for high yield cultivation of phyllostachys angusta. The method comprises the following steps: (1) parent bamboo selection; (2) parent bamboo processing; (3) afforestation land selection; (4) land preparation; (5) plantation; (6) planting density; (7) young forest management and protection; (8) forest land management; (9) topdressing management; (10) bamboo shoot reservation and bamboo culture; (11) disease and pest control and (12) cutting. Compared with the prior art, the more comprehensive and reasonable method for high yield cultivation of phyllostachys angusta is provided; phyllostachys angusta planted by adopting the method is high in yield, the plant growth trend is tidy, the available value is high, planted phyllostachys angusta is good in quality and high in survival rate, and plant and disease damage is controlled thoroughly and efficiently. According to the cultivation method, the afforestation survival rate is larger than 90%, the preserving rate is larger than 85%, the bamboo shoot germination rate is larger than 80%, and the forest land yield is greatly improved.

The invention provides a planting technology for organic lemons, and belongs to the technical field of fruit tree plantation, and especially relates to a planting technology for lemons. The invention provides a planting technology for organic lemons, and the planting technology is high in survival rate and good in disease-resistant capability. The planting technology for organic lemons comprises: (1) building an orchard, using a rice field to build a lemon orchard, building high furrows downslope to draw off water and dry the field, after soil is bleached in the coming year, according to field planting row spacing fixed points, planting pier bottom whose diameter is about 1 m; (2) planting in a region where rainwater distribution is uniform; (3) planting lemons, planting density generally being 3.5 m x 4 m, preferably planting 42 plants in each mu, planting period generally being in spring and autumn, and autumn transplanting should be performed in September to October; (4) intertilling and weeding, in summer and autumn dry seasons, intertilling before drought, to keep soil loose and reduce water evaporation; (5) performing management after planting, about 20 days after field planting of seedlings, the seedlings surviving, after few shoots grow, applying manure cleaning water.

The invention provides a plant net structure, which comprises a main reinforced bar layer as an upper layer, a moisture ecological effective layer as a middle layer, a sub reinforced bar layer as a lower layer and a bar-shaped seed pile, wherein the bar-shaped seed pile is vertically embedded in the main reinforced bar layer, the moisture ecological effective layer and the sub reinforced bar layer or is horizontally embedded in the moisture ecological effective layer, wherein the main reinforced bar layer is one net in a polythene net, a polypropylene net and a glass fiber net, the sub reinforced bar layer is a hemp net or a cotton net, and the moisture ecological effective layer is made of composite materials of straw fiber and coconut fiber or hemp fiber. The invention has the advantages of simple structure, easy construction and convenient operation, is favorable for fast sprouting and seedling forming of seeds, and realizes the uniform distribution of the seeds, so the plant density is controlled, the soil coverage quantity of manual plant cover can be reduced, and the work load of the moisture management in the late stage of the seed sprouting is reduced. The invention is mainly used for garden greening, and plant cover recovery engineering after the construction of highways, railways, ore mines and the like.

A gold passion fruit planting method includes the steps of orchard land preparation, shed frame erection, tissue cultured seedling transplantation, training and pruning, flowering promotion processing, fruit retention processing, fruit picking and other steps. The gold passion fruit planting method adopts tissue cultured seedlings for planting, plants are high in growth speed and high in flowering and fruit-bearing rate, are leafy, have fewer diseases and pests, shed frames are erected by adopting bamboo poles and bamboo canes and are environmentally friendly, cheap and convenient to erect, the vertical shed frames can ensure that gold passion fruits can obtain sufficient sunlight in all directions , improve the space utilization rate, are conducive to scientific improvement of planting density, promote flower processing and can effectively improve the flowering rate of gold passion fruits, male flower pollen is added while a foliar fertilizer is sprayed to promote pollination, the fruit-bearing rate is improved, and the fruit retention processing can effectively promote fruit growth, increase single-fruit weight and total yield, make mature fruits show uniform golden yellow and have a good fragrance, high sweetness and good quality.

The invention relates to a water-saving and efficient cultivation method for drip irrigation of potatoes in a cold region. The potato efficient cultivation method is mainly disclosed according to soilof the cold region and climatic characteristics. A large-ridge double-row and one-pipe double-row drip irrigation cultivation mode serves as the basis, and planting density increase and land utilization rate increase serve as targets. The problems that the soil in the cold region is compact and a traditional drip irrigation mode is small in tuberization are considered, and matched cultivation andridging agricultural measures and a matched cultivator are disclosed; through cultivation and ridging, a drip irrigation belt is shallowly buried, and a shallow-buried underground drip irrigation system is constructed; meanwhile, the problems that a surface drip irrigation belt is likely to move due to the influence of wind in the early stage of planting and weeds are likely to grow are solved. Adrip irrigation system is internally provided with a fertilization and air addition device, a central controller, a soil moisture collector, a valve controller and other wireless automatic control equipment, and automatic precise control over water, fertilizer and air amount in all growth stages of potatoes can be conducted. Automatic control over potato planting is achieved, and production efficiency is improved.

At present, a potato production method remains in the traditional cultivation method; the traditional cultivation method is small in planting density, low in field utilization rate, obviously low in yield, lower in finished product harvesting yield and lower in economic benefit, and causes waste of land resources. The invention provides a one-film, three-row, one-hole and one-plant close-planting cultivation method of potatoes; films cover furrows, one film cover three rows of seeding strips, one plant is planted in one hole, and 12500 plants are planted in per mu of land; the planting density is reasonably increased, the field space is fully utilized, and supporting management is adopted, so that the per unit area yield of the potatoes is improved, and the economic income of farmers can be increased.

The invention relates to a method for planting cured tobacco in a hot area from May to September, belonging to the technical field of agriculture. The invention not only develops the technology, but also cooperates with a reasonable cultivation mode for cultivation, thereby effectively solving the problem of insufficient temperature in winter planting technology. The method for planting cured tobacco in a hot area from May to September is used for researching planting altitude, planting density, seedling raising modes, nitrogen application amount, antifreezing measures, irrigation regime, and the number of days for reserving tobacco, thereby solving the technical problems of land area shortage, and confliction between the hot-area cured tobacco planting technology from May to September and the climate from October to next April. Meanwhile, the cured tobacco is planted below the film instead of above the film, and idle soil in winter is utilized to develop the method for planting cured tobacco in a hot area from May to September, thereby increasing the land-use ratio and enhancing the economic benefit of farmers. The method for planting cured tobacco in a hot area from May to September has the advantages of less investment, high effect taking speed, high yield, high efficiency and the like, and can be used for large-scale production.

The invention provides an efficient interplanting method for swida wilsoniana and cedronella. The method comprises selection of planting soil, land preparation requirements, selection requirement of the swida wilsoniana, planting season and planting density of a swida wilsoniana medicinal material, a transplanting method of the cedronella, selection and an application method of fertilizers, prevention and control of plant diseases and insect pests, water management, and a repeated harvesting method of the cedronella. According to the method, the production cost can be reduced greatly, and the benefit is increased remarkably; and the cedronella can be used for effectively inhibiting the occurrence of plant diseases and insect pests on the swida wilsoniana, so that the using amounts of certain pesticides are reduced.