81 results about "Plant diversity" patented technology

The invention provides a vitrification cryopreservation method of dendrobium wardianum warner protocorm, relating to the technical field of cryopreservation. The method comprises the following steps of: after preprocessing the protocorm with high permeability at low temperature, transferring the protocorm to a loading liquid; performing dewatering treatment, transferring the protocorm to a freezing tube which is filled with vitrification solution; and rapidly filling with liquid nitrogen for cryopreservation. The method in the invention provides technical guarantee for the preservation of theendangered dendrobium wardianum warner germ plasm resource. The invention provides an effective path for the preservation of the dendrobium plant even the arethusa resource and the cultivation of newspecies by using plant diversity.

The invention provides an ecological reconstruction method for the plant diversity after returning of an abandoned farmland to a marsh wetland, and relates to a method for reconstructing the plant diversity of the marsh wetland.The method is used for solving the problem that after the process of returning the abandoned farmland to the marsh wetland, the plant diversity of the abandoned farmland marsh wetland is difficult to recover.The method comprises the steps of 1 abandoned farmland surface soil removing; 2 natural wetland soil propagule bank collecting; 3 abandoned farmland soil propagule bank introducing; 4 hydrological controlling of the abandoned recovery farmland; 5 non-target species removing in the initial stage of reconstruction.The method is simple, convenient and high in reconstruction speed, can be widely applied to ecological reconstruction of the abandoned farmland marsh wetland in the north and is suitable for reconstructing the plant diversity of the marsh wetland.

The invention discloses an ecological interception and blocking system for controlling non-point source pollution of a rice field. The ecological interception and blocking system is characterized by comprising an ecological ditch and a rice field wet land, wherein the ecological ditch consists of ditch side walls and a ditch bottom, the cross section in the width direction of the ditch is a trapezoid with a longer upper side and a shorter bottom side, the ditch walls and the ditch bottom are formed by splicing regularly hexagonal brick holes, ditch body green plants are distributed on the ditch walls, and an emergent aquatic plant is distributed at the ditch bottom; the rice field wet land is constructed at the tail end of a rice field drainage, the soil surface of the rice field wet land is lower than the surface of a normal rice field, rice seedling is planted in the rice field wet land, water flowing through the rice field and the ecological ditch from upstream is used as irrigation water and a fertilizer source. Not only can the plant diversity and ornamental value of the rice field system be enhanced, but also the risk that the rice field can possibly cause agricultural non-point source pollution can be lightened, the utilization rate of nitrogen and phosphorus in the rice field can be improved.

The invention relates to a wind wave resistant ecological floating island. The ecological floating island comprises a floating island body, wherein the floating island body comprises a main floating body, a first planting medium layer and a first plant layer planted on the first planting medium layer; the main floating body comprises an upper floating body above the water surface and a cofferdam floating body below the water surface; the upper floating body is ring-shaped while the cofferdam floating body is shaped like a skirt border; the bottom of the upper floating body is connected with the top of the cofferdam floating body; the upper floating body is arranged outside the first planting medium layer in a surrounding manner. Compared with the prior art, the ecological floating island has the advantages that the floating island can obtain high enough buoyancy and good wind wave resistance; the floating island is prevented from being attacked by wind wave and sinking and the overall stability of the floating island is improved; the floating island can achieve plant diversity, obtains good landscape effects, can become the habitat of various animals and is beneficial to building of a microenvironment ecological system.

The invention relates to a pesticide-free ecological cycle fruit tree planting method. The method includes a step (1) of ecosystem restoration: selecting conveniently-irrigated land with deep soil asorchard land, planting fruit trees on the orchard land, and cultivating various flowers and plants around fruit trees to form a plant diversity environment to attract a large number of insects for settling; a step (2) of pest control: according to the planted fruit trees and the food chain law of fruit tree pests, deliberately controlling the pests to reduce the number of the pests and increase the quantity of beneficial insects; a step (3) of disease control: improving the disease resistance of the fruit trees by improving the soil to make microbial populations in the soil diversified; in addition, performing physical isolation of the infected fruit trees; a step (4) of poultry raising under the fruit trees: according to natural enemies of the planted fruit trees, selecting appropriate poultry and placing the poultry under the tree for free ranging; a step (5) of ecological fish farming: setting up fish ponds in the orchard, placing inferior fruits of the fruit trees and trimmed and abandoned flowers and plants into the fish ponds for feeding, and regularly recovering silt formed in the fish ponds as a fertilizer for the fruit trees.

The invention discloses a method for protecting and recovering wetland. The method comprises the following steps that (a) field investigation is conducted in a to-be-restored wetland area to comprehensively obtain natural condition information of the ecological wetland, wherein the natural condition information comprises hydrological characteristics, soil characteristics and plant characteristics;(b) according to the obtained natural condition information, fences are established in the to-be-restored wetland area and around the to-be-restored wetland area for closed breeding and livestock reduction; (c) different source soil plant seed libraries are mixed, wherein species comprise trees, shrubs, emergent plants, submerged plants and floating plants; (d) river water, well water or reclaimed water from a sewage treatment plant is utilized for irrigating the wetland multiple times until the water level of a surface layer is kept at 6-11 cm; (e) planting pits are dug in wetland soil, seedpellets are applied into the planting pits, and the planting pits are filled with soil with the depth of 7-10 cm for burying storage. By means of the method, various arbors, shrubs and aquatic plantsare adopted for mixed growth to construct a wetland plant community, the plant diversity of the wetland is improved, and meanwhile the pollutant purification capability of the wetland is improved.

The invention provides a prefabricated roof greening plant support comprising support legs in a box, support rods and a vertical connecting member. The support legs in the box has clamping parts for clamping a planting box, the vertical connecting member is used for tying a plant trunk, and the support rod are connected between the support legs in the box and the vertical connecting member. According to the prefabricated roof greening plant support, in the modular planting box of roof greening, the support legs in the box and the vertical connecting member are employed, trees are firmly and reliably fixed, the plant diversity and wind resistance performance of the roof greening are improved, the support legs in a box, the support rods and the vertical connecting member are assembled supporting members, the prefabricated roof greening plant support has the advantages of production componentization, design standardization and rapid construction, and the efficiency of roof greening construction is improved.

The invention provides an inter-stratum plant landscape community construction method to improve ecological diversity of a city garden. The inter-stratum plant landscape community construction methodcomprises the steps of (1) planting epiphytes; (2) planting vines; (3) managing irrigation; (4) managing fertilization;(5) managing temperature and light. In the construction method, a herb allocationpattern made up of various plants of different heights and having multiple layer structures is utilized reasonably; the vines are planted in the ground and allowed to climb; the epiphytes having different heights and habits are allocated according their ecological niches; an inter-stratum landscape herb community with multilayer structure is formed. The current situation of lacking inter-stratumplants in forests is made up; monotonicity of green plant allocation is improved; plant diversity is improved; good landscape effect is provided; the strong pursuit of urban people for ecological natural landscape is satisfied.

The invention discloses a method for controlling diaphorina citri insect pests by interplanting citrus with guava, and relates to the technical field of agricultural planting. The method comprises thefollowing steps: citrus are planted by adopting a conventional method, wherein the line spacing of the citrus is 2.5-3.5 meters and the plant distance is 1.5-2.5 meters, so that a citrus garden is formed; guava is interplanted into citrus trees, one guava tree is interplanted every 5-7 citrus trees from the first citrus tree in every uneven row, and one guava tree is interplanted every 5-7 citrustrees from the last citrus tree in every even row; and the guava trees is 80-100 cm higher than the citrus trees through trimming, single rows of guava are planted around a citrus garden, and the plant distance of the guava trees is 1.5-2.5 meters. Citrus diseases and insect pests are prevented and controlled through plant diversity, diaphorina citri in the citrus garden is greatly reduced, costof spraying large amounts of pesticides is reduced, pesticide damage is avoided, infection risk of citrus huanglongbing disease is reduced, and remarkable economic, social and ecological benefits areachieved. Researches show that the control effect of interplanting the citrus with guava reaches 54-90%.

The invention relates to the technical field of agriculture planting, and discloses an oilseed rape crop sesame cultivation method. According to the oilseed rape stubble sesame cultivation method, after previous crops of oilseed rape are harvested, the field layout of original ridge surfaces and three furrows is kept, straws of the oilseed rape are cleaned out, threshed siliques of the oilseed rape are evenly broadcasted in the field, then surface soil is straightly harrowed along the ridge surfaces, the surface soil is straightly harrowed again along the ridge surfaces to cover seeds of sesame after the seeds of the sesame are broadcasted, weed sealing is conducted after completing, and field management is conducted until harvest. Intertillage is conducted when the sesame has 4-5 leaves, the broadcasting shipping tube technique is executed, planting is conducted in a wide and narrow row spacing mode, a narrow row ranges from 20 cm to 30 cm, a wide row ranges from 50 cm to 6o cm, and row spacing ranges from 15 cm to 20 cm. According to the oilseed rape crop sesame cultivation method, the sesame is planted on the crops of the oilseed rape, the siliques of the oilseed rape return to the field, the cropping system is optimized, planting diversity is prompted, the original three furrows of the field of the oilseed rape are repeatedly used, labor is saved, and the yield of the sesame is increased finally.

The invention provides a constructing method for an urban ecological protection forest. The constructing method comprises the following steps: A) cleaning forest land: overall performing felling cleaning on the planting land, maintaining the well growing forest trees, and then removing miscellaneous shrubs; B) preparing land and fertilizing: preparing the land in a cave-shaped land-preparing manner, wherein the base fertilizer adopted for fertilizing is the mixed fertilizer of organic fertilizer and phosphoric fertilizer after being composted and fermented; C) planting seedlings: uniformly distributing and planting the deep root tree seedlings and shallow root tree seedlings or fertilizer favorite tree seedlings and barren-resisting tree seedlings or slow-growing tree seedlings and quick-growing tree seedlings in the planting land in the manner of inter-plant mixed planting or massive mixed planting; D) managing cultivation. The urban ecological protection forest constructed according to the method provided by the invention has the advantages of high survival rate of trees, optimized forest structure, high plant diversity, obvious effects of preventing water and soil loss, regulating climate, conserving water and improving soil and beneficial effects of improving ecological environment, maintaining ecological safety and promoting landscape quality.

The invention discloses a spiraea ultralow-temperature storage and culture method The method comprises, at room temperature, placing a 1-2 mm long spiraea stem tip into a shaking table for culture indark for 1-3 d, processing the cultured spiraea stem tip with loading solution for 20-60 min, dewatering the processed spiraea stem tip in vitrification solution at 0 DEG C for 30-50 min and then placing the spiraea stem tip into a frozen storage pipe, and then storing the frozen storage pipe in liquid nitrogen for ultralow-temperature storage. Spiraea plants cultured through the spiraea ultralow-temperature storage and culture method can be high in recovery rate and regeneration rate. Therefore, the spiraea ultralow-temperature storage and culture method provides a technical guarantee of resource storage of endangered spiraea and an effective path for resource storage of rosaceous, spiraeoideae and spiraea plants as well as new species cultivation through plant diversity.

The invention discloses a method for constructing a close-to-nature ecological bank. According to the technical scheme, a method of constructing a basement bank, paving the bank with mixed earthworm soil, paving the bank with a soil fixation net, constructing a plant belt, cleaning phycophyta and conducting periodic maintenance is adopted, the water storage and drainage capability of the bank is improved, the problems of plant diversity and amphibian inhabiting are solved, a close-to-nature ecological environment which can be sustainably developed is formed, and the ecological bank has the purifying capability of increasing the green land area and strengthening water and soil, and is a self-adjustable ecological system. According to the method for constructing the close-to-nature ecological bank, a principle of harmonious coexistence between man and nature is abided by, the water bank is constructed through a new thought and new technology, a natural and healthy ecological cycle system can be formed, the artificial maintenance cost in the later period can be reduced, and the close-to-nature ecological bank is easy to operate and popularize.

The invention relates to a floating type cultivation device for aquatic plants. The floating type cultivation device for the aquatic plants comprises a height-adjustable support, a buoyancy rope, a cultivation net rope, a stabilizing rope and the aquatic plants. The height-adjustable support comprises a fixed part and a movable part; the fixed part comprises a stand column and an obliquely-pulledfixed steel wire; one side surface of the stand column in the height direction is provided with a sawtooth groove, and a plurality of notches are formed in different height parts of the sawtooth groove; the movable part comprises a button pull rod, a transverse clamping column perpendicular to the body of the button pull rod is arranged on the button pull rod, the clamping column is limited in thenotch, the transverse clamping column can be separated from the notch after the button pull rod is twisted, the button pull rod is twisted again after moving in the vertical direction, and thus, thetransverse clamping column is limited in another notch. The floating type cultivation device for the aquatic plants is not affected by water level change or icing, and meets the requirements of purifying water and increasing plant diversity. The device has the characteristics of ecology, environmental protection, simplicity in construction, convenience in management and the like, can effectively regulate and control plant diversity and density in a water body, and improves the ecological environment of the water body.

The invention discloses a method for improving the diversity of plants in a lakeside zone and relates to the diversity of plants in the lakeside zone. The method adopts coexisting ways of dominant species control, proper bottom sediment disturbance and large emergent aquatic plant patch mosaic in the lakeside zone. On one hand, the method properly controls dominant species to prevent the dominant species from being developed without limitation. On the other hand, the germination of the original potential non-dominant species is promoted. Beside, by blazing relatively independent areas among the dominant species, new species are directly planted. The method provided by the invention has the advantages that the proper living spaces are provided for the potential species and the new planted species, and the diversity of the plant species in the lakeside zone is improved simply, conveniently and effectively at low cost.

The invention relates to a gobi revegetation method and belongs to the field of environment treatment projects. The gobi revegetation method comprises the following main steps of (1) establishing a seedbed, which comprises the following sub-steps of a, treating earth surface; b, paving a multi-gap grass layer; c, pressing the grass by gravels; d, establishing the seedbed; (2) establishing vegetation, which comprises the following sub-steps of e, growing seedlings; f, treating seeds; g, sowing and planting; h, maintaining. By the gobi revegetation method, the roughness of the earth surface is increased, a sandy soil mixture carried in wind is intercepted to form the seedbed, plant seeds suitable for growing in gobi are supplemented, plant diversity is increased, soil fertility is improved, conditions suitable for living of soil microorganisms are created, positive succession of vegetational community is promoted, and gobi revegetation is realized finally.

The invention discloses an orchard ecological control and restoration construction method based on allelopathy of invasive weed mikania micrantha. According to the method, on the basis of allelopathy and selectivity of the mikania micrantha on alternative species, the alternative species with high tolerance and competitiveness are reasonably planted, and agricultural control, physical control or chemical control is combined. For plots with the allelopathy comprehensive index RIS ecologically determined to be greater than 0.8 according to an allelopathy mode receptor plant lettuce, bengonium bracteatum, hispid arthraxon, sweet potato or purslane are interplantedafter deep and shallow rotation tillage; for plots with RIS equal to 0.5-0.8, a sweet potatoes, purslane, laggera pterodonta or dandelion is interplanted after deep ploughing; and for plots with RIS smaller than 0.2, after shallow ploughing or no-ploughing, setaria viridis, daphne odora, benthraxon or hispid arthraxon are planted in a mixed mode, and 83.0-123.0 g(ai)/hm<2> of selective herbicide clopyralid is applied. The control effect of the method on the mikania micrantha reaches 90.0% or above, and the plant diversity is remarkably improved by 15.0% or above.

The invention discloses a method for restoring a river submerged plant. The method is characterized in that the submerged plant is used as a pioneer species, appropriate submerged plant is cultivated in the river, different growth conditions of the submerged plant in the river are controlled, submerged vegetation is reconstructed in the degraded river through appropriate maintenance management technology, and the survival rate of the reconstructed submerged vegetation reaches 60 to 70 percent. The local environment of the river water ecological system is improved by restoring the water plants of the river, the structure and the function of the river ecological system can be restored, the cost is low, simplicity, feasibility, low carbon and environmental friendliness can be realized, the benefit is remarkable, the method is suitable for the restoration engineering of the water vegetation of the polluted river and for the ecological reconstruction engineering of the polluted river water plant diversity and water ecological system.

The invention discloses a landscape-scale plant diversity evaluation method with time-space consistency. The method comprises the following steps: S1, interpreting a medium-high resolution remote sensing image based on a random forest method, and obtaining a typical plant community spatial distribution diagram of a research area; s2, performing drainage basin analysis based on a digital elevation model (DEM) of the research area, and dividing the research area into a plurality of water collection areas or small drainage basins; s3, improving a plant diversity evaluation index of a sample point scale, replacing species counting with a species distribution area, and constructing a landscape-scale plant diversity evaluation index Di (x, y) with time-space consistency; and S4, calculating the landscape-scale plant diversity index of each small watershed of the research area, evaluating the overall plant diversity of the research area by using the landscape-scale plant diversity index, and analyzing the spatial-temporal change of the overall plant diversity. The method is suitable for plant diversity evaluation of regional scale long-time sequences, the operation method is simple and convenient, and popularization and application are facilitated.

The invention discloses a method for studying the influence of straw-checkerboard afforestation on vegetation and soil characteristics. The method comprises the following steps: 1, influence of different straw-checkerboard afforested tree species on the vegetation and soil characteristics; 2, response of the relationship between soil characteristics and plant diversity on different terrain features of straw-checkboard afforestation; 3, influence of different sand stabilization measures on the relationship between the soil characteristics and plant diversity; 4, statistical analysis; and 5, comprehensive evaluation. According to the method, vegetation investigation, firstly, soil sampling and indoor analysis are performed by designing field tests, controlling conditions of different afforesting tree species, terrain features, sand stabilization measures and the like, selecting typical a sample field and setting a sample plot; and statistical analysis, model establishment and comprehensive analysis are performed to reveal the soil characteristics, plant diversity and the evolvement rule of the relationship between the soil characteristics and plant diversity to obtain the ecologicaleffect of straw-checkboard afforestation in semi-arid regions, so that theoretical foundation and practice guidance are provided to improvement of desertified grassland repairing technology.

The invention belongs to the technical field of propagation of golden panda xanthostemon, and discloses a constructing method of a cutting orchard of golden panda xanthostemon. The method includes thesteps of planting old-year-old excellent plant nursery stock of which the seedling stage is determined according to the row spacing of (40-50) cm*(40-50) cm, and controlling the height of stock plants to be 30-40 cm through cutting back; obtaining 5-10 effective cutting scions from each plant through shearing one year after planting; obtaining 30-40 effective scions from each plant through shearing in the second year; conducting management of the cutting orchard, wherein mowing, soil loosening and fertilizer applying are conducted in time after the scions are sheared off in the early summer and late autumn in each year, and compound fertilizer is applied to each plant during fertilizer applying. The whole technological method is popular and easy to understand, high in operability and goodin effect, has great technological achievement transformation potential and wide application prospects, provides new flower species and nursery stock resources for urban greening construction, and has great significance in enriching urban gardening plant diversity and landscape diversity.

The invention discloses a method for carrying out seine planting of ceratophyllum demersum, which comprises the steps of piling, seining, selecting ceratophyllum demersum, planting and the like. The ceratophyllum demersum planting method is simple, binding does not need to be carried out, the survival rate is increased and cost is reduced; the method is not influenced by variation of the depth of the water level and has obvious effects; water quality of a water body can be effectively improved, transparency of the water body is improved, conditions are provided for planting other plants, and the method can be used as an advanced step in the eco-remediation process; the method is suitable for remediation engineering of water bodies in lakes and ponds and recovery engineering of diversity of aquatic animals and plants.