44 results about "Undergrowth" patented technology

The invention provides a monitoring and prevention system for alpine grassland shrubby and a working method thereof, and the system comprises a division and collection module which is used for carrying out the region delimiting of an alpine grassland, and collecting the image data and periodic data in the periodic time of the delimiting region through a satellite, an unmanned plane and manpower, the periodic data comprises periodic data acquisition time, a time interval and environment data of a delimited area at the time; wherein the environment data of the delimited region at the time comprises all parameters related to plant growth in the region, continuous data acquisition is carried out by selecting the region of the alpine grassland, the shrubby development situation of the alpine grassland can be visually known, and the evaluation result of the shrubby development situation of the alpine grassland can be obtained through the Bayesian network correlation evaluation model. The comprehensive benefits of the environment, the society and the economy under different management schemes can be predicted, quantitative prediction results can be provided for grassland management and policy making, and making of more scientific and reasonable management measures is helped.

The invention provides an under-forest ecological allium victorialis planting method and application, and the method comprises the following steps: after gibberellin treatment and low-temperature sand storage germination acceleration of seeds, sowing and seedling raising are performed in an under-forest or sunshelter high bed with the canopy density of 0.3-0.5, and 2-year-old seedlings are cultivated; transplanting in early April or late September according to the line spacing of 15 cm and the plant spacing of 4-6 cm, and cultivating to obtain 3-4-year-old strong seedlings; then a forest stand with the canopy density of 0.5-0.7 is selected, and field planting is conducted according to the line spacing of 20-30 cm and the plant spacing of 15-30 cm; through intertillage weeding, fertilization and pest and disease management, seedlings are harvested by adopting a three-year ring harvesting method or tender leaves are harvested by adopting a leaf breaking method. According to the method, the problems of low emergence rate, unstable yield, uneven quality and the like caused by direct planting in a wild environment are effectively solved, high-quality, stable-yield and efficient production of allium victorialis is realized, and a reliable mode is provided for utilization of northern forests and development of under-forest economy.

The present invention discloses a method for monitoring the changes in the ecological environment of urban plains based on the investigation of small mammals. First, after determining the pellet collection points of long-eared owls, the proportion of forest, shrub, grassland, and cultivated land coverage areas, biomass, and vascular plant species richness within the predation range area are obtained; then, based on the pellets of long-eared owls, the parameters for measuring the biodiversity index are calculated: the species richness of prey animals, the appearance frequency of prey animals in the pellets, the predation intensity of prey animals, and the biomass proportion of prey animals; finally, based on the above indicators, the comprehensive index of the ecological environment quality in the urban plain area is calculated to determine the changes in the ecological environment of the urban plain area. The use of this method solves the problem of the inability to long-term observe the biodiversity of small mammals, and provides technical support for long-term observing small mammals with good indicator functions to judge the changes in the comprehensive quality of the urban ecological environment.

The invention belongs to the technical field of coniferous and broad-leaved mixed forest recovery, and relates to a method, a device and equipment for recovering a coniferous and broad-leaved mixed forest in a sub-high mangosteen shrub land. According to the specific technical scheme, the method comprises the steps of obtaining stand structure parameters of a sub-high mangosteen shrub land to be recovered, calculating a bamboo layer inhibition dynamic factor according to the stand structure parameters, and determining a target recovery area according to the size of the bamboo layer inhibition dynamic factor; performing strip-shaped alternate cutting on the target recovery area to form a reserved strip and a target cutting strip which are alternately distributed; and determining the type and planting spacing of the target seedlings to be planted, implementing adaptive planting in the target clear cutting zone according to the determined type and planting spacing of the target seedlings, and implementing dynamic recovery intervention and monitoring evaluation on the target recovery area. Compared with a traditional recovery strategy, the method can accurately cope with the complex degeneration environment of the sub-high mangosteen shrub land, the recovery efficiency, the seedling survival rate and the growth performance are remarkably improved, and the bottleneck of poor adaptability in the prior art is broken through.

The invention provides a construction method of a coastal plant dune, which comprises the following steps: a plurality of dune protection zones are arranged on a sand beach at the middle upper part of a high tidal zone or on a tidal zone, and each protection zone comprises an outer layer close to the sea, an inner layer close to the coast and a stacking area formed by the outer layer and the inner layer; sand penetrates through the outer layer to enter the accumulation area until a sand dune with a target diameter and a target height is formed in the accumulation area, at least two zones of vegetation are planted on the sand dune from sea to land according to the salt tolerance grade so as to form a shrub sand dune, and the shrub sand dune can settle sand carried in wind or seawater so as to form a shrub sand dune. According to the method, a manual intervention method is adopted, the sand dunes are rapidly constructed, the positive effect on formation and stabilization of irrigation and grass dunes is achieved, and the effects of wave dissipation and bank protection on the sandy coast in the erosion state are achieved.

This invention discloses a sand-fixing method utilizing coppicing and sand burial of Haloxylon ammodendron, relating to the fields of windbreak, sand fixation, and vegetation restoration. Based on the natural growth angle of Haloxylon ammodendron branches, this invention applies coppicing and layering treatments to upright and inclined branches respectively. Inclined branches are laid flat against the ground and buried in sand, causing adventitious roots to sprout from the buried internodes and new suckers to grow upwards. These newly formed suckers are guided towards adjacent plants and buried perpendicular to the prevailing wind direction, creating a connected network structure between plants through their root systems and stolons. This invention classifies and treats branches according to their type. Coppicing upright branches reduces plant height and branch height, promoting tillering; sand burial of inclined branches induces adventitious roots, expands the water absorption area, lowers the center of gravity of branches and leaves, and increases ground cover, which is beneficial for improving the sand-fixing efficiency of vegetation, enhancing the water use efficiency of Haloxylon ammodendron, and promoting healthy shrub development.

The invention provides a precise and intelligent variable electrostatic floating-reducing spraying system for under-forest panax notoginseng. The system comprises a walking assembly; and the supporting box body is fixedly mounted at the top of the walking assembly. According to the precise intelligent variable electrostatic floating-reducing spraying system for the under-forest panax notoginseng, the walking assembly, the supporting box body, the multi-dimensional information and environment sensing assembly, the central controller, the mixing assembly, the supply assembly, the blocking assembly, the two electrostatic spraying assemblies and other structures are matched with one another; the multi-dimensional information and environment sensing assembly automatically collects plant growth vigor, disease degree and environment data, the central controller accurately calculates the pesticide application amount of a single plant or a plot, and manual judgment is not needed; the supply assembly quantitatively supplies medicine to the mixing assembly, and the mixing assembly quickly realizes uniform mixing of liquid medicine without manual stirring; the walking assembly is adaptive to rugged terrain under the forest through autonomous navigation, manual traction is not needed, and therefore the problems that traditional pesticide application is poor in accuracy and large in manual labor intensity are solved.

The application discloses a kind of estimation method and system of vegetation canopy combustible moisture content based on meteorology and remote sensing data, comprising the following steps: first, combustible moisture content and various meteorological data and remote sensing data and other several kinds of subsidiary data are selected as combustible moisture content estimation data.Meteorological data includes air temperature, relative humidity, rainfall and wind speed.Remote sensing data includes two vegetation indexes: enhanced vegetation index and normalized vegetation index.Subsidiary data includes: root zone soil moisture, vapor pressure difference, drought index, fire weather factor.Then the long time sequence characteristics of meteorological data are extracted.The size of time window is determined first, and the experimental results show that the correlation coefficient of most sites is relatively high under the time window of 90-210 days.90 days, 150 days and 210 days of time window are selected respectively to extract the time characteristics of four kinds of meteorological data.Secondly, the samples of experimental area are divided into five vegetation classifications, which are closed shrub, sparse shrub, multi-tree tropical grassland, tropical savanna and grassland.Finally, the data sets of the five different vegetation types are sequentially adjusted to obtain the respective estimation model.

The invention relates to the technical field of under-forest ecological planting, in particular to a method for under-forest cultivation of rhizoma polygoni paleacei, which comprises the following steps: land selection: selecting a natural forest land with the altitude of 1500-3000 m, fewer weeds, sparse coniferous forest, coniferous and broad-leaved mixed forest and shrub forest as a main part, and the canopy density is less than 0.75; the pH value of the soil is 5.5-7.0; land preparation: removing forest small shrub weeds from September to October, and scraping 1-2 cm surface soil on the ground; collecting bulbils; seedling raising: the compartment width of a seedling raising land is 100-120 cm, 1500-2500 kg of decomposed sheep manure barnyard manure is applied every 667 m < 2 > before sowing, then the compartment surface is covered with fine mountain foundation soil and raw loess with the proportion being 1: (1-5) and the thickness being 2-5 cm, and the compartment surface is raked flat; uniformly scattering the treated bulbils on the seedbed, covering the bulbils with pine needles by 1-2cm after the bulbils are sown, and thoroughly watering; seedling raising; transplanting is conducted; and harvesting. The method accords with the development direction of the national traditional Chinese medicinal material planting industry, integrates green prevention and control of weed diseases, optimizes key node technologies, and is low in planting cost.

The present application relates to the technical field of Chinese herbal medicine planting, in particular to a device for undergrowth cultivation of Chinese herbal medicine Epimedium, comprising a traction control frame, a walking mechanism with a planting drive wheel containing a detachable counterweight on the traction control frame, an Epimedium seedling holding bucket and a control module; a multi-directional adjusting mechanism composed of a liftable support and a bulldozer telescopic part is arranged at the end of the traction control frame, which is connected to a soil sealing support, and a curved push plate with a soil shoveling plate (V-shaped in plan view, the height of the soil shoveling plate gradually changes from the wide part to the narrow part) is driven by a follow-up drive motor; a plurality of automatic clamping assemblies (containing a gas pipe II, a clamping support plate, a flow distribution air chamber and a soft clamping / limiting telescopic plate) are arranged in the middle of the walking mechanism, the device realizes automatic distance setting and non-destructive planting of seedlings, accurate and uniform soil sealing of roots, adapts to complex undergrowth topography, greatly improves planting efficiency and seedling survival rate, reduces labor intensity of workers, and meets the demand for large-scale cultivation of Epimedium undergrowth.

The utility model discloses a lucid ganoderma unearthing protection device in an under-forest simulated wild environment, and particularly relates to the technical field of lucid ganoderma growth, which comprises a positioning ring, a plurality of arc-shaped barrier strips are fixedly connected to the top of the positioning ring, plastic covers are arranged on the outer sides of the arc-shaped barrier strips, and air inlet ventilation mechanisms are fixedly connected to the inner sides of the arc-shaped barrier strips; the air inlet ventilation mechanism comprises an air inlet pipe, the outer side of the air inlet pipe is fixedly connected with one ends of arc-shaped barrier strips, the multiple arc-shaped barrier strips are annularly distributed on the outer side of the air inlet pipe in an array mode, a fixing ring is fixedly connected to the outer side of the air inlet pipe, and multiple insertion holes are formed in the inner side of the fixing ring. The plastic cover is used for protecting the lucid ganoderma, so that the lucid ganoderma is prevented from being splashed on pilei by silt when coming out of soil. Meanwhile, internal air flow is kept by means of an air inlet pipe, a second bottom rod and an open groove, carbon dioxide is discharged, fresh air is supplemented to increase the soil temperature, and ganoderma lucidum unearthing is promoted; and the plastic cover is subjected to multi-point positioning through an inserting rod and a second rubber ring, it is ensured that the plastic cover is stably installed in a severe environment, and therefore the effect of protecting lucid ganoderma is achieved.

The invention belongs to the technical field of ecological restoration of alpine grassland, and particularly relates to an ecological planting method for shrub grassland in a super plateau semi-arid region. The method comprises the following steps: delimiting a sample plot in a to-be-restored super plateau semi-arid region degraded grassland area, and applying a bio-organic fertilizer and biochar for soil improvement and activation; ditching and soil preparation; after a water-retaining agent absorbs water and is prepared into gel, uniformly applying the gel into the sowing furrows and uniformly mixing the gel with furrow soil; and performing multi-species matching and sowing. According to the ecological planting method, a low-disturbance degraded shrub grassland remediation technology is adopted, a liquid mulching film is directly sprayed on the surface of soil on the basis of soil improvement, the effects of preventing wind, maintaining soil moisture and increasing ground temperature are achieved, the soil moisture condition and the moisture utilization rate can be obviously improved, soil remediation and vegetation planting are both considered, and the ecological planting effect is achieved. The multifunctionality of the ecological system of the shrub grassland is improved.

The invention provides a method for planting ganoderma niger in a rubber forest, which comprises the following steps of: firstly, selecting an area which is rich in organic matters and is flat in terrain as a planting land under the rubber forest, removing sundries and weeds from the land of the planting land, cleaning and tidying, and then drying the land in the sun for sterilization treatment. Compared with the prior art, the soil loosening device has the following beneficial effects that the soil loosening depth and range can be flexibly adjusted through the soil loosening assembly through the design of an adjusting groove, multiple sets of threaded holes and an arc-shaped sliding groove, the soil requirement of ganoderma lucidum cultivation is met, a silencing box and a composite silencing plate are arranged, and equipment operation noise is reduced through an elastic piece, a porous foam plate and other structures; and finally, a water spraying pipe, a water storage tank and a booster pump are integrated, water spraying and moisture preservation can be achieved while soil loosening is conducted, one machine has multiple purposes, and the continuity and efficiency of the planting link are improved.

The present invention provides a method for constructing a coastal plant dune, comprising: arranging a plurality of dune protection belts on the beach in the upper-middle part of the high tide zone or the supratidal zone, wherein the protection belt includes an outer layer close to the sea, an inner layer close to the coast, and a stacking area formed by the outer layer and the inner layer; sand passes through the outer layer and enters the stacking area, until a dune with a target diameter and a target height is formed in the stacking area, and then at least two belts of vegetation are planted on the dune according to the salt tolerance level from the sea to the land to form a shrub dune, wherein the shrub dune can settle the sand carried in the wind or sea water, and can continuously accumulate the dune with the growth of the vegetation. The method of the present invention uses artificial intervention to quickly construct the dune, which has a positive effect on the formation and stability of the shrub and grass dune, and has the functions of wave dissipation and shore protection for the eroded sandy coast.

The invention discloses an alpine and valley region water and soil conservation coverage and biological measure factor optimization calculation method based on vegetation type fine division, and relates to the field of soil erosion quantitative calculation. Obtaining unmanned aerial vehicle multispectral data of the forest land, the shrub and the garden plot for 24 and half months and under-forest coverage data of the forest land and the garden plot for 24 and half months; obtaining vegetation index data and spatial distribution data of each vegetation type based on the unmanned aerial vehicle multispectral data; on the basis of the spatial distribution data of each vegetation, importing under-forest coverage data obtained on site into a soil loss proportion calculation formula, and obtaining a B factor calculation value of each vegetation type; and calculating coverage and biological measure factors of other land utilization types except the selected vegetation type, and obtaining B factor distribution data of the target area. According to the method, the calculation precision of the water and soil conservation coverage and biological measure factor B value can be improved, and the regional soil erosion estimation precision is improved.

The present disclosure provides a method and device for extracting forest tree trunks and a method for training a model. Through a trunk point cloud segmentation model based on deep learning, it can automatically learn the differences between trunk point clouds and non-trunk point clouds. It is a high-precision trunk point cloud detector that can effectively filter out the interference of shrubs and branches and leaves, and obtain high-precision trunk point clouds. At the same time, the present disclosure automatically detects whether it is a dense trunk point cloud. For dense trunk point clouds, through a pre-trained adjacent trunk recognition model, it can correct the misdetection of identifying adjacent trunks as a single trunk in the existing solutions, effectively reducing missed detections, and ensuring that even in dense trunk areas, the point clouds of each trunk can be effectively identified and extracted separately. Through the solution of the present disclosure, the trunks can be accurately separated from the point cloud data, improving the accuracy and efficiency of trunk extraction.

The invention relates to the technical field of ecological monitoring, in particular to a vegetation area index measurement method and system based on a branch dip angle extinction principle, and is suitable for ecological monitoring of sparse vegetation in arid and semi-arid regions. The method comprises the following steps: setting a shooting environment and collecting images; cutting the collected image, and performing segmentation through a maximum likelihood method to generate a leaf and xylem binary image; the leaf porosity and the wood porosity are calculated based on the binary image, and leaf parts and branch parts are distinguished by combining spectral characteristics; and respectively calculating a leaf area index and a wood area index through a Markov model and a Beer law, and superposing and inverting a vegetation area index. According to the method, the applicability of the vegetation index in a complex shrub scene is effectively improved. According to the method, high-precision measurement of the vegetation area index in the arid region is realized, the defects of a traditional method in lignified vegetation treatment are overcome, and an important technical support is provided for desertification monitoring.

The invention discloses a surface soil stripping maintenance method for a sub-alpine forest shrub climate region, and belongs to the technical field of railway engineering construction and ecological environment protection, and the method specifically comprises the steps of surface soil stripping, gradient sowing, layered stockpiling, dust screen covering, fertilization, dynamic monitoring, and acceptance and delivery. By constructing a three-dimensional maintenance system of covering sowing, layered stockpiling and dynamic fertilizer supplementing, the problem that a traditional method is insufficient in adaptability under the extreme climate of a sub-alpine forest shrub climate area is solved, efficient utilization of surface soil resources and rapid ecological restoration are achieved, and therefore the problems that after surface soil is stripped, quality is degraded, and vegetation restoration is difficult are solved; and coordinated development of engineering construction and ecological protection is guaranteed.

The invention relates to the technical field of grassland ecological monitoring and remote sensing application, in particular to a method and system for monitoring grassland shrubs based on unmanned aerial vehicle remote sensing, and the method comprises the steps: determining a fluctuation coefficient representing the physiological stability of the shrubs based on an unmanned aerial vehicle multispectral image and ground actual measurement data; determining fractal dimensions representing boundaries of shrub communities on the basis of multiple high-resolution orthoimages of the unmanned aerial vehicle; based on the unmanned aerial vehicle multispectral image and ground actual measurement data, determining a soil moisture spatial heterogeneity entropy representing the shrub local hydrological environment reconstruction intensity; solving an invasion and occupation risk index; predicting to obtain a state transition probability; obtaining a system instability factor; judging the relationship between the system instability factor and a preset intervention threshold; if the system instability factor is greater than the preset intervention threshold, generating an intervention instruction; if not, generating a maintenance instruction; according to the method, the practical guiding significance of a prediction result is ensured, and the accuracy and robustness of an evaluation system are integrally improved.

The application provides a plantation thinning device and relates to the technical field of tree felling, which comprises a load remote control vehicle, a climbing mechanism, a multistage grabbing mechanism, a cutting mechanism and a remote controller. The load remote control vehicle is provided with a docking portion, and the climbing mechanism is detachably connected with the docking portion. The multistage grabbing mechanism is arranged on the climbing mechanism. The cutting mechanism is arranged on the climbing mechanism. The load remote control vehicle is provided with a controller, and the controller is in communication connection with the load remote control vehicle, the climbing mechanism, the multistage grabbing mechanism and the cutting mechanism. The load remote control vehicle is used for carrying and moving in the plantation, so that the damage to the undergrowth structure in the moving process is reduced. The target tree is gradually cut and decomposed through the cooperation of the climbing mechanism, the multistage grabbing mechanism and the cutting mechanism, and the trunk and branches after cutting and decomposition are stably placed on the ground, so that the damage to the nearby reserved wood and undergrowth caused by the whole tree falling is avoided, and high-quality thinning of the plantation is realized.

The invention relates to the field of rock slope ecological restoration engineering, in particular to a fractured rock mass vegetation restoration method based on portable vegetation particles, which comprises the following steps: S1, cleaning dangerous rocks and loose rock blocks on the slope surface of a rock slope, and synchronously recording a slope surface runoff path and fracture area distribution; s2, artificially constructed seedling holes are formed in the fracture area on the runoff path; s3, the seedling holes are pretreated to form a breathable bonding layer; s4, portable plant growing particles and slow release fertilizer are mixed and filled into the seedling holes, and the plant growing particles have the characteristics of swelling and dispersing when encountering water and being loose and breathable; s5, selecting and mixing various deep root system indigenous plant seeds, and covering the surfaces of the plant growing particles with the mixed seeds; s6, based on natural rainfall or necessary artificial moisturizing maintenance, stable deep-root-system shrub vegetation is formed through interspecific natural competition. The method is easy and convenient to implement and low in cost, natural fracture conditions of rock mass can be effectively utilized, the seed germination rate and vegetation stability are improved, and the method adapts to various rock slopes with joint fracture development.

The invention discloses an urban plain ecological environment change monitoring method based on small mammal survey. The method comprises the following steps: firstly, determining a long-eared owl pill collection point, and then obtaining the coverage area proportion, biomass and vascular plant species richness of forests, shrubs, grassland and cultivated land in a predation range area; then calculating biological diversity index measurement parameters based on the long-eared owl food pills: species richness of predated animals, occurrence frequency of the predated animals in the food pills, predation intensity of the predated animals and biomass proportion of the predated animals; and finally, calculating a comprehensive index of the ecological environment quality of the urban plain area based on the indexes to determine the ecological environment change condition of the urban plain area. By using the method, the problem that the biological diversity of the small mammals cannot be observed for a long time is solved, and a technical support is provided for observing and judging the comprehensive quality change condition of the urban ecological environment for a long time by virtue of the small mammals with a relatively good indication effect.

The invention discloses a portable forest sample plot rapid layout and tree diameter at breast height measuring device, relates to the related technical field of tree diameter at breast height measuring, is suitable for layout of sample plots of various terrains, is simple to operate and convenient to carry in the prior art, and aims to solve the problems that the layout of the sample plots in the forest land is complex in topographic condition, many in shrub obstruction and incapable of ensuring that four corners of layout are 90 degrees. If the error exceeds the error range, correction needs to be carried out, the time spent on correction is possibly similar to or even longer than the time spent on arrangement, the angle of the fixator of the device in the horizontal direction can be constant, correction is not needed, more time can be saved, meanwhile, when the field area is insufficient or other problems exist in the sample plot arrangement process, the device can only be removed for re-arrangement, and the operation is convenient. The device judges whether the position is proper or not according to the laser intersection point, so that the condition of unreasonable layout in the layout process is avoided, and the working efficiency is improved; and the operation is simple, one person can operate the device, and the device can pass once without walking repeatedly, so that the working efficiency is greatly improved.

This invention belongs to the field of ecological restoration technology and relates to a method for the overwintering survival of willow shrubs in grassland and river / lake buffer zones in cold and arid regions. Specifically, it includes: laying an insulating mat at the base of the willow shrubs in autumn; this mat is composed of a lower fiber layer, a sheep manure filling layer, and an upper fiber layer sewn together and fixed to the ground; before the soil freezes, covering the shrub branches with fiber sleeves and leaving ventilation holes, and simultaneously setting up a fence around the shrubs; promptly removing snow and inspecting the insulating mat after heavy snowfall; removing the fence after the spring temperatures rise, allowing the fiber sleeves and insulating mats to degrade naturally. This invention significantly improves the overwintering survival rate and the following year's sprouting ability of willow shrubs through the synergistic effect of the insulating mat preventing frost damage and providing nutrients, the fiber sleeves preventing water loss, the fence preventing grazing, and the bottom gaps ensuring ecological connectivity. The materials are completely degradable and pollution-free, and the construction is simple, seamlessly integrating with a rapid sprouting restoration system.

The invention discloses a cultivation method of paraphlonia in a karst mountain land. The method comprises the following operation steps: S1, forest land selection; s2, forest land cleaning and paraphlonia planting pit digging; s3, field planting of paraphlonia; s4, interplanting for reducing woodland rock and surface soil exposure and preventing water and soil loss; s5, performing field management on the paraphlonia and the interplanted plants. The invention aims to solve the problems of low sophora flower bud yield, mountain rock and earth surface exposure, water and soil flowing and the like caused by lack of a Karst mountain planting technology of paraphlonia in the prior art. A three-dimensional composite planting mode of'paraphlonia, evergreen shrub trees and grass ground cover green manure 'is established by using rare medicinal materials or high-value economic plants which are resistant to drought and barren or have the characteristics of calciferous type, nitrogen fixation and the like, so that sand fixation, water and soil maintenance and nitrogen fixation can be realized, part of plants become mud after being dead, the soil thickness and fertility can be increased, and the soil quality is improved. Rich nutritional conditions are provided for growth of the paraphlonia, so that the yield of the sophora flower buds is increased, and finally, the ecological benefit and the economic benefit are increased.

The invention discloses a shrub above-ground biomass determination method which comprises the following steps: arranging three shrub quadrat with the area of 10 * 10 square meters in each shrub and grass combination area, randomly selecting three plants with different sizes and healthy growth vigor as standard plants for each shrub species in each quadrat, cutting the above-ground parts of the plants close to the ground, and determining the above-ground biomass of the shrub by using the above-ground biomass of the shrub. Performing branch and leaf separation treatment on the sheared part by using a branch and leaf separator, cleaning branches and leaves, putting the cleaned branches and leaves in a drying oven for fixation for 20 minutes at 105 DEG C, then reducing the temperature to 65 DEG C, drying the sample until the weight is constant, weighing the dried sample, and taking out the sample; the obtained weight is the overground biomass of the standard plant, and the biomass of the community shrubs is estimated through the height and the crown breadth. The device is used for solving the problems that in the prior art, in the branch and leaf separation process, part of leaves splash out along with branches, overall collection of the leaves is inconvenient, and the accuracy of the measurement result of community shrub biomass is reduced.

The present application relates to the technical field of transplanting, in particular to a transplanting method and device for rhododendron shrubs in high-cold and high-altitude areas. The specific technical scheme is as follows: (1) when the transplanting seedlings of high mountain rhododendron are excavated, the crown of the high mountain rhododendron is excavated 10 cm outside; (2) the root system soil of the transplanting seedlings is retained and placed in the transplanting device for moisturizing; (3) the transplanting seedlings are pruned to 1 / 2 height of the above-ground part; (4) engineering waste, topsoil and deep soil are mixed and used as the cultivation substrate; (5) the diameter of the soil ball of the transplanting seedlings is measured, and the transplanting hole is excavated according to the diameter of the hole being 40-60 cm larger than the diameter of the soil ball and the depth exceeding the height of the soil ball by 15 cm, and then the transplanting seedlings are planted. The present application is conducive to improving the survival rate of the high mountain rhododendron, promoting the growth and adaptability of the high mountain rhododendron after transplanting, and thus better protecting the local ecological environment and realizing sustainable protection of the ecological environment.

The present invention discloses a vegetation bag, an artificial shrub sand pile, a sand-blocking and sand-fixing belt, and a construction method and application thereof. The method for establishing a shrub sand pile sand-blocking and sand-fixing belt based on the vegetation bag comprises the following steps: taking soil on site and piling it into a conical soil pile; neatly stacking a plurality of vegetation bags on the surface of the conical soil pile along the contour line; planting sand-fixing shrubs in each vegetation bag to form an artificial shrub sand pile; arranging a plurality of the artificial shrub sand piles in a herringbone shape in multiple rows to form a sand-blocking and sand-fixing belt. The method for establishing a sand-blocking and sand-fixing belt based on the vegetation bag of the present invention shortens the formation process of the shrub sand pile from several years to several decades in nature to one year. At the same time, because the shrub sand pile has excellent water storage and conservation characteristics, the shrub sand accumulation sand belt established by combining artificial and natural methods realizes sustainable sand control under natural rain-fed conditions.

The utility model relates to the field of spraying devices, in particular to a spraying device capable of uniformly spraying for blueberry planting, which comprises a track frame, a drip irrigation component, a movable frame and a spraying head, the rail frame comprises two rail bodies, two connecting cross beams and two end cross beams, the two end cross beams are erected at the two ends between the two rail bodies, the number of the connecting cross beams is seven, a drip irrigation assembly used for drip irrigation of blueberries is arranged above the connecting cross beams, and the drip irrigation assembly comprises a water storage tank and a water receiving connector. A moving frame used for moving along the blueberry shrubs is arranged above the drip irrigation assembly, and a spraying head used for spraying the blueberry shrubs is arranged above the moving frame. The rail frames are fixed to the two sides of a blueberry planting field ridge, the spraying head is fixed to the upper portion of the blueberry field ridge through the movable frame, and after a worker connects the spraying head with a water pipe externally, the spraying head is driven by the movable frame to move along the blueberry field ridge along the rail frames.

This invention relates to the field of temperature sensor testing, specifically the application of testing and measurement technology in the control of microclimates in aquaculture. The method involves deploying a sealed reference cavity with a built-in standard thermometer in a forest-based aquaculture area. Each temperature sensor node is periodically inserted into the reference cavity to periodically read the current temperature value and compare it with the standard thermometer to obtain the absolute drift. A two-dimensional drift matrix is ​​constructed by combining this data with historical humidity data of the location. During non-calibration periods, the original temperature values ​​are corrected using the two-dimensional drift matrix. The corrected temperature values ​​are then used in a Kriging space interpolation algorithm to generate a three-dimensional temperature field distribution map. Based on the coordinates of local high-temperature areas in the distribution map, the corresponding spray cooling solenoid valves are activated. This invention offsets the long-term drift caused by the high-humidity and corrosive environment of the forest undergrowth, corrects the spatial deviation of the original temperature data, improves the accuracy of the three-dimensional temperature field reconstruction, and avoids control misalignment caused by temperature field assessment distortion.