415 results about "Root growth" patented technology

A plant holder for holding an amount of rooting (growing) media in which plant roots develop that electrically isolates the plant roots from an electric field used to deliver water and plant nutrients to that rooting media via a high-voltage, low-current electrospray system. A conductive material disposed proximate the rooting media receives electrically charged droplets including water or nutrients and passes the water or nutrients to the rooting media while directing the electrical charge to ground.

The invention provides a nutrient slow-release synergistic seedling transplanting disc and application thereof. The nutrient slow-release synergistic seedling transplanting disc is composed of a disc body and a seedling cup, the disc body is composed of two layers of materials including PBAT and PLA, the seedling cup is composed of three layers of materials, the inner layer is made of the PBAT material, the middle layer is a strip-shaped fertilizer belt made of macroelements, organic fertilizer, bacterial fertilizer and microelements, and the outer layer is made of the PLA material. The nutrient slow-release synergistic seedling transplanting disc integrates seedling raising and fertilization and can be used for seedling transplanting of grafted seed melons, seedling cups are directly transplanted into soil during transplanting, seedlings and the disc do not need to be manually separated, the seedling transplanting disc does not need to be recycled and transported after transplanting, the seedling cups in the soil isolate damage of salt, alkali and diseases and insect pests to seedling roots, and the seedling transplanting disc is convenient to use. Meanwhile, nutrient substances are slowly released, nutrients needed by melon seedlings are accurately met, the problem that an original seedling raising plate pollutes the environment is solved, and the problems that roots are damaged during transplanting, fertilization is balanced, the growth environment of the roots is poor and germs are harmed are solved.

The invention relates to the technical field of vegetation root system nondestructive testing, in particular to a multispectral vegetation root system identification system and method based on a differentiable physical engine, and the system comprises a multispectral LiDAR module which is used for transmitting near-infrared laser and short-wave infrared laser, scanning a target area, obtaining dual-wavelength reflectivity data, and determining the vegetation root system according to the dual-wavelength reflectivity data; generating a reflectivity ratio matrix by adopting a reflectivity ratio classification model; the differentiable physical engine is used for quantizing the dynamic relationship between the vegetation root growth rate and the soil resistance by adopting a coupling model according to the reflectivity ratio matrix, generating a physical model and updating the physical model at a preset time interval; and the data processing and three-dimensional modeling module is used for generating a three-dimensional root system model and a health assessment result according to the reflectivity ratio matrix and the physical model, and outputting the three-dimensional root system model and the health assessment result. According to the scheme, soil penetration and root system and foreign matter distinguishing can be carried out, the vegetation native environment is not damaged, dynamic monitoring analysis is carried out, and the accuracy of recognition analysis is improved.

The invention provides a degradable sodded strip for ecological restoration and a preparation method thereof, and belongs to the technical field of sodded strips, the degradable sodded strip comprises an upper-layer fiber web, a middle-layer seed and nutrient layer and a lower-layer grid which are sequentially laminated and compounded from top to bottom; the upper-layer fiber web is made of a hydrophilic degradable material and is used for absorbing moisture and preserving soil moisture; the middle seed and nutrient layer comprises plant seeds and a nutrient controlled release unit; the lower-layer grid is a three-dimensional grid which is made of a degradable high polymer material, has a three-dimensional communicated micropore structure and is used for mechanically guiding root growth; the nutrient controlled release unit is a microcapsule which takes a fertilizer as a core material and takes an environment response type polymer as a wall material, and the microcapsule is anchored in the fiber interweaving nodes of the lower layer grid through a cross-linking agent. According to the invention, environmental response type precise controlled release of plant rhizosphere nutrients and three-dimensional mechanical guidance of a root system growth path can be realized, and the utilization rate of the fertilizer and the survival rate and long-term stability of vegetation recovery under poor site conditions such as side slopes, river banks and mines are effectively improved.

The invention discloses a polypeptide and application thereof in regulation and control of plant development, and relates to the technical field of biology. The invention specifically discloses any polypeptide from A1) to A3) as shown in the following: A1) a polypeptide with an amino acid sequence as shown in SEQ ID NO: 1; a2) a polypeptide which is obtained by substitution and / or deletion and / or addition of more than one amino acid residue on the amino acid sequence as shown in SEQ ID NO: 1 and has the function of regulating plant growth and development; and A3) a fused polypeptide obtained by connecting a tag to the N end and / or C end of A1) or A2). The polypeptide can effectively regulate and control root system growth and root regeneration of plants, can be well applied to improvement of plant varieties, and has important practical value for plant breeding work.

The invention discloses a crop planting substrate for promoting rhizome system development and a preparation method thereof. The substrate comprises the following components by volume ratio: 10-20% of straw biogas residue; 50-60% of peat; 15 to 25% of vermiculite; 15 to 25% of perlite; wherein the substrate further comprises a functional additive, and the functional additive is selected from one or more of potassium fulvate, chitosan or plant growth promoting flora. The crop planting substrate provided by the invention significantly promotes the development of rhizome systems through the synergistic effect of the organic-inorganic composite system and the functional additive. The layered structure design optimizes the slow-release effect of water and fertilizer, the water-absorbent resin enhances the water-retaining property, the slow-release fertilizer particles provide continuous nutrients, and the pH regulator maintains a suitable acid-base environment. Compared with a traditional substrate, the volume weight, the total porosity and the gas-water ratio of the substrate are more suitable for root growth, and the substrate is especially suitable for seedling raising of crops such as rice and traditional Chinese medicinal materials.

The invention discloses a method and a system for analyzing a root system growth state image after seedling transplantation, and particularly relates to the technical field of root system growth state image analysis. Based on an identifier between a single seedling and an image acquisition device, a root zone image time sequence acquisition and numbering system is constructed, and a shallow buried near-infrared imaging device is adopted to obtain a multi-frame image sequence; and through image rasterization, alignment resampling and structure enhancement processing, a root system atlas with space consistency and boundary separability is formed. Further extracting an edge migration vector field and a root tip active region, calculating a root tip active change rate and a root system increment density gradient, fusing to generate a recovery trend index, and combining a trend label and a structural feature vector to construct an activity grade judgment and response suggestion map, so as to realize intelligent analysis and management decision of a root system recovery state. The problems that root system state recognition lags behind, judgment subjectivity is high, and dynamic quantitative support is lacked are effectively solved.

The invention discloses a sugarcane ScPP2C49 gene and application thereof, and relates to the technical field of plant biology, the nucleotide sequence of the ScPP2C49 gene is as shown in SEQ ID No.1, and the amino acid sequence of protein coded by the ScPP2C49 gene is as shown in SEQ ID No.2. The gene is induced to express by drought and abscisic acid, and the encoded protein of the gene is positioned in a cell nucleus. Functional studies show that after overexpression of the ScPP2C49 gene in the plant, the drought resistance of the plant is negatively regulated through various mechanisms of inhibiting an abscisic acid signal channel, hindering stomatal closure under drought stress, weakening active oxygen scavenging ability, reducing photosynthetic efficiency, inhibiting root growth and the like. The invention also provides a recombinant overexpression vector containing the gene and a method for obtaining a transgenic plant with reduced drought resistance by using the vector through an agrobacterium-mediated method. According to the invention, a new gene resource is provided for deep analysis of a plant drought-resistant molecular mechanism, and an important target gene is provided for cultivation of high-stress-resistance crop varieties through a reverse genetics means (such as gene knockout).

The agricultural seedling cultivation device comprises a cultivation box, the interior of the cultivation box is divided into a planting layer through a partition plate, the planting layer comprises a cultivation box and a hilling box, the hilling box is of a split type design and comprises an upper box body and a lower box body which are slidably connected, the upper box body is provided with a pot frame used for containing a cultivation pot, and through holes are formed in the cultivation pot and the pot frame; the through holes are controlled to be communicated or closed through movement of the lower box body, a controllable water supplementing channel is formed, the culture box is provided with a first water mist system used for supplementing water to branches and leaves, the hilling box is provided with a second water mist system used for supplementing water to roots, the lower box body is further provided with a mist flow assembly, and water mist is conveyed upwards to a planting layer through airflow. Three core water replenishing modes can be flexibly switched, a user can accurately carry out independent and accurate water management according to the requirements of different growth stages (such as key root protection in the seedling stage and foliage water replenishing in the growth stage) of seedlings, the optimal mode is flexibly selected, and high intelligence and on-demand water supply are achieved.

The invention discloses an Elodea nuttallii transplanting and maintaining method for breeding procambarus clarkia in a rice field in the technical field of aquaculture, and relates to six links of rice field transformation and treatment, shallow trench digging and base fertilizer application, Elodea nuttallii transplanting, Elodea nuttallii topdressing, Elodea nuttallii maintaining and water quality regulation and control. The method comprises the following steps: applying a fertilizer A according to the amount of 5-10 kg / mu for topdressing, applying a fertilizer B according to the amount of 4-8 kg / mu in March-April, putting duckweed on the water surface in a high-temperature season in May and in a rooting stage and a flowering stage of elodea nuttallii, controlling the putting area of the duckweed to be 50 + / -5% of the area of a culture water body, and applying a fertilizer C according to the amount of 4-8 kg / mu. The root growth and development of the elodea nuttallii are promoted. By means of the waterweed transplanting and maintaining method for breeding the procambarus clarkii in the rice field, the waterweed can still keep vigorous vitality in the middle ten days of July, and the requirement for the breeding environment of the procambarus clarkii in the high-temperature summer season is met.

The invention discloses a plant cultivation system and method based on liquid-gas-solid three-state cooperative regulation, the plant cultivation system based on liquid-gas-solid three-state cooperative regulation comprises a cultivation container, a field planting skeleton, a degradation film and a regulation area; the planting framework is arranged in the cultivation container and divides the interior of the cultivation container into a liquid area, an air area and a substrate area, the degradation film covers the space between the air area and the substrate area, and a plant root system can pierce the degradation film from the substrate area through growth and extends to the air area and the liquid area. The capillary action of nutrient and temperature and humidity adjustment, water evaporation or liquid and substrate coupling can be obtained, the substrate can keep moist for a long time, plants are induced to form water roots and expand root growth space, fertilizer water can be circularly supplied through bottom liquid, the fertilizer water can be easily adapted to and controlled by plant growth requirements, and concentrated regulation and unified supply of the fertilizer water can be realized; labor is saved; and time efficiency is improved.

The invention relates to the technical field of tobacco seedling raising, and discloses a dry-wet alternation tobacco seedling raising method, which comprises the following steps: performing water control management on a seedling raising pond for culturing tobacco seedlings in a periodic circulation mode, performing dry-wet alternation in each period, and realizing dry-wet alternation by sequentially performing a water inlet stage, a water leakage stage and a drought stage in each period. The tobacco seedling root toughness, stress resistance and adaptive capacity can be improved, and the tobacco seedling returning speed and the early-growing and quick-sprouting progress are accelerated. According to the actual water requirement rule of tobacco seedling root growth, the drought alternating seedling raising water control method is provided by combining the characteristics of tobacco seedlings, and the seedling raising quality is greatly improved. Moreover, according to the method, the temperature and humidity changes of the seedling raising substrate are monitored in real time, so that effective control over crop growth is achieved. Water control is implemented by using water leakage and natural permeation theories, so that the use and energy consumption of natural resources are reduced, the aim of simply and conveniently implementing healthy seedling culture is fulfilled, and the cost is reduced.

The invention discloses an application and a method of an RcREF1 gene in regulation and control of root growth of Chinese rose, belongs to the technical field of agricultural biological genetic engineering, and discloses an application and a method of the RcREF1 gene in regulation and control of root growth of Chinese rose, and the nucleotide sequence of the RcREF1 gene is shown as SEQ ID NO: 1. According to the application, the RcREF1 gene is integrated into the Chinese rose through an expression vector, the growth and development of the root system of the Chinese rose are effectively promoted, and the RcREF1 gene has a great application value for Chinese rose breeding.

The invention discloses a tobacco leaf quality improving method and system based on planting soil management. The method comprises the following steps: firstly, acquiring historical soil quality and root growth data of a tobacco plant, and analyzing root growth preferences under different soil conditions by using a clustering algorithm to form soil quality-preference data; combining the soil quality data of the target planting area to construct a root growth probability distribution map, and predicting root distribution according to the planting target; determining the arrangement position of a soil monitoring sensor according to a prediction result, and establishing a monitoring network to realize real-time acquisition of soil substance change; and finally, adjusting and managing nutrient substances in the tobacco planting process according to the monitoring data. According to the method, the adaptability of root systems and soil is improved, nutrient supply is optimized, balanced growth and stable quality of the tobacco leaves are promoted, and therefore tobacco leaf quality improvement and planting benefit optimization are achieved.

The invention provides a foam matrix for planting dracaena sanderiana and a preparation method thereof.The foam matrix is prepared from, by weight, 3-5 parts of polyurethane A material, 1-2 parts of polyurethane B material, 0-10 parts of rural soil, 0-10 parts of coco coir, 0-10 parts of turfy soil and 5-6 parts of water.The foam matrix is prepared by compounding polyurethane foam with the rural soil, the coco coir, the turfy soil and the like; the foam substrate for planting the dracaena sanderiana is prepared. The foam substrate disclosed by the invention has good water absorption, water retention and air permeability, so that the growth environment of roots of crops is improved, the growth of seedlings is promoted, and a theoretical basis and a technical support are provided for substrate improvement and indoor planting of dracaena sanderiana seedlings.

The utility model provides a garden plant root system ventilation isolation device, which relates to the technical field of garden planting, and comprises an insertion ring, the insertion ring is used for planting plants, the insertion ring comprises an inner ring and an outer ring which are arranged at an interval, the top of the inner ring is connected with the top of the outer ring through a connecting ring, and the connecting ring is of an outer arch structure. A plurality of first ventilation openings are formed in the circumferential direction of the air inlet pipe; a guide ring which is arranged in an outward flaring mode is connected between the bottom of the inner ring and the outer ring, and a plurality of second ventilation openings are formed in the guide ring in the circumferential direction. A plurality of inserting plates which are distributed at intervals are arranged at the bottom of the outer ring and are used for inserting the inserting ring into soil; a plurality of first connecting holes are formed in the side wall of the inner ring in the circumferential direction. According to the utility model, good air permeability and root system isolation functions can be considered, so that the growth environment of plant roots is optimized.

The application discloses a compound fertilizer for promoting cotton high yield and a preparation method thereof, relates to the technical field of cotton fertilizer, and comprises first mother liquor A, second mother liquor B and third mother liquor C which are prepared, stored and packaged separately; the first mother liquor A contains urea phosphate, monoammonium phosphate, anhydrous citric acid, malic acid and manganese sulfate monohydrate; the second mother liquor B contains commercial 11-37-0 liquid ammonium polyphosphate, ammonium salt type polyaspartic acid solution, purified fulvic acid clear liquid and tri-potassium citrate; and the third mother liquor C is a mixed system of polyol complex state boron clear pre-liquid and medium complex state zinc pre-liquid. The application can improve the effective state stability of phosphorus, zinc and boron, reduce the risks of precipitation fouling and dripping head blockage, alleviate the risks of local salt peak and root injury in the seedling stage, promote the uniform emergence and young root growth of cotton, and improve the yield.

The present disclosure provides isolated Pseudomonas koreensis strains useful for enhancing crop yield, as well as inoculant compositions comprising one or more of the isolated strains, seeds that have been treated with one or more of the isolated strains, and methods of using the isolated strains to enhance root growth, nutrient uptake, chlorophyll content, etc.

The herbaceous flower protection device for gardening comprises a cultivation box and a scarifier, the cultivation box is provided with a first containing space, the cultivation box is provided with a vertical partition plate and a bottom plate which enclose the first containing space, and the bottom plate is provided with at least one first through hole; a supporting plate arranged in the first accommodating space divides the first accommodating space into a planting area and a root growth area, and the supporting plate is provided with at least one second through hole; the scarifier comprises a box body, at least one vibration piece, a soil conveying roller and a soil backfilling roller, the box body is provided with a second containing space divided into a scarification area and a backfilling area, a root growth area and a soil inlet of the second containing space, and the scarification area, the backfilling area, a soil outlet of the second containing space and the root growth area are sequentially and circularly communicated; the vibration piece can vibrate soil in the root growth area to fall into the soil loosening area, a soil conveying roller arranged in the soil loosening area conveys the soil to the backfilling area, and a soil backfilling roller arranged in the backfilling area backfills the soil to the root growth area.

The application discloses application of a PHB9 gene in regulating rice leaf morphology and belongs to the technical field of genetic engineering.The CDS sequence of the PHB9 gene is shown as SEQ ID NO.2.It is found through experiments that overexpression of the PHB9 gene increases leaf length and leaf width, and the PHB9 gene has a significant effect on regulating rice leaf morphology.Further, changes in vascular systems, mitochondria and chloroplast structures in the internal structure of the leaf are analyzed, and it is shown that the vascular systems, mitochondria and chloroplast structures change when the leaf morphology is regulated, and the morphological changes in the internal structure of the leaf affect the changes in the leaf phenotype, and have a significant influence on improving the photosynthetic rate of the leaf.It is also found that overexpression of the PHB9 gene reduces the sensitivity of rice seeds to ABA, promotes seed germination and root growth.The application provides a new gene for breeding of leaf morphology building, root development and seed germination.

The present application belongs to the technical field of root observation, and in particular to a sugar beet root growth observation device. The existing device cannot well scan and observe the roots in the annular hollow culture tray, resulting in a visual angle blind area during observation. The present application provides the following solution, which includes a base, a water culture barrel arranged on the base, a hollow tray arranged in the inner cavity of the water culture barrel, and a small water culture tray, a medium water culture tray and a large water culture tray arranged at the top end of the hollow tray. The present application provides a sugar beet root growth observation device that adopts water culture for seedling raising and combines with a full-range observation assembly, can non-destructively observe the sugar beet roots in the annular hollow culture tray at different periods, overcomes the defect that the traditional soil culture for seedling raising is easy to cause damage to the roots during observation, thereby avoiding the visual angle blind area in the observation process, ensuring that the full-range and full-depth morphological and growth dynamic information of the roots can be obtained, and further significantly improving the accuracy of the seedling stage screening data.

The present application relates to the technical field of forestry asexual propagation, and particularly relates to a tissue culture and rapid propagation method of Salix psuedopectinata. The present application realizes the correction of the leaf color of Salix psuedopectinata tissue culture seedlings, solves the yellowing problem of the leaves in the process of Salix psuedopectinata tissue culture, and promotes the new shoots and rooting of Salix psuedopectinata, so that the Salix psuedopectinata tissue culture seedlings grow well. The method of the present application provides a new way for the preservation of the excellent germplasm resources of Salix psuedopectinata and the factory seedling.

The present application relates to the technical field of forest seedling raising, and particularly relates to a factory-like forest root-control seedling raising method, wherein a light-blocking root-blocking layer with root-penetration and water-permeation functions is laid on a leveled ground in a seedling raising area, a seedling raising container is placed on the light-blocking root-blocking layer, a seedling raising substrate with nutrition, permeability and clumpiness is filled into the seedling raising container, forest seeds or seedlings are planted in the seedling raising substrate, and the temperature and humidity, light, water and fertilizer are automatically controlled in a facility environment through an environment control system, and the seedling raising container is taken out as a whole when the seedling is transplanted out. The method realizes directional cultivation of root systems through cooperation of the light-blocking root-blocking layer and the seedling raising container, and solves the problems of root system damage, seedling transplanting difficulty, low utilization rate of water and fertilizer, and influence of soil-borne diseases and pests in traditional seedling raising by combining with automatic control of the facility environment and the environment control system, so that factory-like, standardized and scaled forest seedling raising is realized, the survival rate of seedling transplanting is greatly improved, and the comprehensive cost of seedling raising is reduced.

The invention provides a preparation method of an amino acid liquid fertilizer, and relates to the technical field of amino acid liquid fertilizers. According to the preparation method of the amino acid liquid fertilizer, the amino acid liquid fertilizer is prepared from the following raw materials in parts by mass: 550-650 parts of a nutrient solution, 350-400 parts of liquid amino acid, 60-70 parts of boric acid, 50-60 parts of zinc sulfate and 5-6 parts of a root growth promoting agent. The amino acid is combined with the boric acid and the zinc sulfate, and then is combined with the root growth promoting agent, so that the liquid fertilizer capable of meeting the crop rooting requirement can be prepared, and the defects that the liquid fertilizer applied in the existing production is low in amino acid, boron and zinc content, cannot completely meet the requirements of crop growth and is short in fertilizer efficiency lasting period are overcome. Amino acid is used as a main material and matched with other boron and zinc elements to be fully dissolved, auxiliaries are added, crops can better absorb the amino acid, boron and zinc for use, the utilization rate is increased, plant growth is promoted, the crop yield is improved, and precise application of water and fertilizer integration is matched.

The present application is suitable for the field of molecular biology and biotechnology, and provides a maize gibberellin 13-hydroxylase gene ZmGA13ox1 and application thereof. The maize gibberellin 13-hydroxylase gene ZmGA13ox1 has a nucleotide sequence shown as SEQ ID NO:1 in the sequence listing. The maize gibberellin 13-hydroxylase protein is encoded by the maize gibberellin 13-hydroxylase gene ZmGA13ox1, and has an amino acid sequence shown as SEQ ID NO:2 in the sequence listing. The present application provides the nucleotide sequence of the ZmGA13ox1 gene in the maize inbred line B73 and the amino acid sequence information of the protein encoded thereby, and uses the agrobacterium-mediated transformation technology to introduce a plant expression vector containing the gene into Arabidopsis thaliana, and cultivates a homozygous T3 generation transgenic Arabidopsis thaliana plant. The experimental results show that the overexpression of the ZmGA13ox1 gene in Arabidopsis thaliana has a promoting effect on the root growth.

The invention relates to the technical field of management systems, in particular to an intelligent spray irrigation management system under forestry plant maintenance, which comprises a soil layering model construction unit for collecting the types of planted saplings and topographic data of a planting area, extracting soil layering structure data of the planting area and a three-dimensional topographic model, and constructing a three-dimensional model; performing fusion processing to obtain a soil layering model; determining the distribution positions of planted saplings on the soil layering model, marking the position corresponding to each sapling on the soil layering model as a planting point position, constructing a sapling root growth model based on the type of the sapling and the soil layering structure of the position, and forming a sapling soil layering model together with the soil layering model; and the irrigation network construction unit is used for setting an irrigation point position for each sapling root growth model based on the sapling soil layering model, connecting a plurality of drip irrigation point positions to form a pipeline trend straight line, erecting branch pipes along the pipeline trend straight line, erecting a main pipe and connecting a plurality of branch pipes to form an irrigation network.

This application discloses a seaweed oligopeptide fertilizer for promoting root growth and seedling development, and its production process, belonging to the field of fertilizer technology. The fertilizer, by weight, comprises: 2-10 parts seaweed oligopeptide complex, 1-8 parts seaweed extract, 10-30 parts compound amino acids, 1-10 parts blueberry pomace, 20-50 parts oxytetracycline waste decomposition products, and 30-60 parts recycled organic matter from kitchen waste. By combining seaweed oligopeptides with chitosan to form a complex, the stability of the active ingredients is improved; simultaneously, the synergistic utilization of oxytetracycline fermentation waste, kitchen waste, and blueberry pomace achieves resource utilization. Experiments show that this fertilizer significantly promotes crop root growth and seedling development.

The present invention relates to the technical field of planting flower pots, and discloses a bougainvillea root lifting and shaping device and a use method. The structure of the bougainvillea root lifting and shaping device includes a flower pot, a bottomless pot, and a bracket. The present invention adds a bottomless pot to the bougainvillea planting flower pot, and is assembled with a plurality of spliced ​​expansion rings with the help of the bottomless pot. The number of expansion rings can be superimposed according to the required root lifting height of the bougainvillea root system, so that the roots of different heights can be lifted, thereby increasing the variability and adaptability of the root lifting and shaping. In addition, a constraint frame is added to the flower pot, and the constraint frame is placed in the area of ​​the center of the flower pot where the root system needs to be restricted from growing downward. The holes therein can allow the capillary roots of the bougainvillea root system to pass through and absorb nutrients and moisture from the soil inside the flower pot. However, the constraint frame can physically block the main root from deeply rooting outward, forcing the root system to develop towards a preset lifting area, reducing ineffective root growth from the root source, concentrating energy on the shaping part, and improving the efficiency of the root lifting and shaping.

The utility model relates to the technical field of ecological environment-friendly tools, in particular to an ecological environment-friendly slope protection frame and mold, which comprises a plurality of slope protection frame shells, the slope protection frame shells are sequentially spliced and laid on slope edges, two inner cavities are arranged in the slope protection frame shells, and an upper planting area and a lower planting area are arranged in the inner cavities. The upper planting groove and the lower planting groove are the same in structure, and an anti-skid layer is arranged on the inner wall of the upper planting groove. In the ecological environment-friendly slope protection frame and the mold, the upper-layer planting area and the lower-layer planting area are arranged in the slope protection frame shell, compared with a traditional single-layer planting area, the plant growth space is remarkably enlarged, more types and numbers of plants can be planted, more dense vegetation coverage is formed, and the ecological restoration function of the slope protection is enhanced. Meanwhile, the anti-skid layer on the inner wall of the upper-layer planting groove can effectively prevent soil from slipping off after plants are planted, and the stable growth environment of the plants is guaranteed; the bottom water leakage holes facilitate water drainage, and water accumulation is prevented from affecting plant root growth.

The utility model discloses a water and nitrogen absorption root system culture observation device for a leguminous green manure intercropping field. The water and nitrogen absorption root system culture observation device comprises an outer frame, an observation tank, a supporting frame and a climbing rod. The outer frame is of a cuboid structure, a plurality of containing grooves are formed in the outer frame and used for containing observation tanks, and labels are arranged on the front portions of the containing grooves. The observation tank is a transparent cylindrical tank with an open top and a closed bottom, and the outer wall of the observation tank is attached to the inner wall of the containing groove. The supporting frame is located in the observation tank and comprises a vertically-arranged supporting rod and a fixing ring. The climbing rods are rotatably arranged in the supporting frame, and threaded grooves with different curvatures are formed in the surfaces of rod bodies. Root growth is directly observed through the transparent observation tank, the device does not need to be opened, the natural growth environment of the root is prevented from being disturbed, and observation accuracy is improved. The threaded groove of the climbing rod guides the root system to grow orderly, so that the root system is uniformly distributed, the root systems at different positions are conveniently and comprehensively observed, and the growth condition of the root system is accurately evaluated.