247 results about "Sedum" patented technology

The invention relates to a technique of remediation of slightly and medio- metal-contaminated vegetable soil with production. The specific steps are as follows: firstly, Sedum alfredii and Elsholtzia splendens are intercropped in vegetable soil contaminated by heavy metal such as cadmium, copper and zinc in spring with a with inter plant distance of ten to fifteen centimeters, row spacing of thirty centimeters; secondly, the Sedum alfredii is harvested periodically, a growth period of Sedum alfredii is three to four months during a first harvest, from then on, the Sedum alfredii is harvested every three months or when growing to a height of thirty to forty centimeters, stems of a height of two to three centimeters are left above the ground in harvest; the Elsholtzia splendens is harvested in October; thirdly, a cadmium-enriched rape is planted after the harvest of the Elsholtzia splendens with the spacing in the row of fifteen to twenty centimeters and is harvested in April of the next year; fourthly, a cucumber is planted after the harvest of the rape with the spacing in the row of twenty to twenty-five centimeters, a cabbage is planted after the harvest of the cucumber in September, the Elsholtzia splendens is planted after the harvest of the cabbage, then a restoring period is completed. Adopting a super accumulator plant for absorbing a plurality of heavy metal from the soil, the invention achieves reducing the heavy metal content in the vegetables and guaranteeing the safety of the farm produce.

The invention relates to a plant system repairing method for composite polluted soil of chromium, zinc, lead and copper. According to the invention, Sedum alfredii H and Elsholtzia harchowensis are intercropped in the composite polluted soil of chromium, zinc, lead and copper, the root system of the Sedum alfredii H absorbs chromium, zinc and lead, the Elsholtzia harchowensis absorbs copper, and the Sedum alfredii H and the Elsholtzia harchowensis transport the pollutions to the overground part, the overground part is harvested and removed regularly or according to the growth height of the Sedum alfredii H and the Elsholtzia harchowensis, thereby removing a plurality of chromium, zinc, lead and copper from the soil, the biological normal position repair for the composite polluted soil of chromium, zinc, lead and copper can be implemented. The method is economic and convenient, and has no secondary pollution, and the invention can conserve both moisture and soil, and can beautify the environment.

A plant method for in-situ treating the soil polluted by Cd features that the plant Dongnan Jingtian is directly planted in the polluted soil for absorbing the Cd from the soil and after the plant is growing for 3-4 months, it is removed. Its advantages are high effect and speed and no secondary pollution.

A vegetative repairing method for the soil polluted by lead features that the plant 'Dongnan sedum' is growing in said soil for absorbing a great deal of lead from the soil and then removed. Its advantages are high effect and low cost.

The invention discloses a method for repairing soil pollution caused by heavy metals by the combining technologies of interacting plants and chemical leaching, which realizes combining repairing by the interacting between Sedum alfredii Hance and corns as well as by carrying out chemical leaching by a mixing additive. The interacting plants selected by the invention are the corns and the Sedum alfredii Hance and are planted on the soil polluted by the heavy metals; when the Sedum alfredii Hance and the corns enter a growing blooming period, the mixing additive is used for carrying out leaching on the soil to reduce the heavy metals in the soil by harvesting plants and leaching liquid, thereby realizing the repairing on the soil polluted by the heavy metals. The content of the heavy metals in the corn seeds produced by the invention meets the national sanitation standard for feedstuff, the content of the heavy metals at the stem and leaf parts of the corn plants meets the standard of commercial organic fertilizer, and the corns are farm produces with economic values. The leaching waste liquid produced by the invention can be fixed and processed by lime. The method of the invention can realize that agricultural manufacture is carried out on the polluted soil while repairing and treatment. The method of the invention is a new effective repairing approach for soil polluted by the heavy metals with low cost.

The invention discloses a method for repairing a cadmium-polluted farmland by using corn and alfred stonecrop intercropping. The method comprises the following steps: (1) in the cadmium-polluted farmland soil, planting corn seedlings and alfred stonecrop seedlings by using an intercropping mode, dressing a nitrogen phosphorus and potassium compound fertilizer and an organic fertilizer for promoting the growth of the corn and alfred stonecrop; (2) within a week after dressing the fertilizers, spraying oilseed rape root extracting solution to the root of the alfred stonecrop, harvesting the alfred stonecrop regularly, and harvesting the corn after the corn is matured; the preparation process of the oilseed rape root extracting solution comprises the following steps: a, pounding the fresh oilseed rape root, soaking in water, heating and boiling for more than 1 h, cooling soaking liquid to the room temperature, and stewing for more than 24 h; and b, after stewing, separating solid and liquid, and taking a liquid phase which is the oilseed rape root extracting solution. The method is capable of realizing a corn and alfred stonecrop intercropping technology, through spraying the oilseedrape root extracting solution to the root of the alfred stonecrop, overcoming the problem in the prior art that the Cd content in the corn is still high after the corn and alfred stonecrop intercropping and the plant removal rate of Cd in the soil is not high.

The invention discloses a sedum alfredii endophyte and an application thereof. The endophyte is named as Acinetobacter calcoaceticus Sasm3 with a preservation number of CGMCC NO.7334. The invention also discloses an application of the endophyte in plant-microorganism combined remediation on heavy metal contaminated soil. The application comprises the steps of: inoculating sedum alfredii with the endophyte and planting the sedum alfredii inoculated with the endophyte in the heavy metal contaminated soil to be remedied; and from the second growing season of the sedum alfredii inoculated with the endophyte, re-inoculating the sedum alfredii with the endophyte in each growing season, and harvesting the sedum alfredii. The endophyte can be used for enhancing the resistance of the sedum alfredii to high-concentration heavy metal so as to promote the healthy growth of the sedum alfredii in the environment of high-concentration heavy metal, thereby increasing the biomass of the sedum alfredii and enhancing the remediation efficiency of the sedum alfredii to the heavy metal contaminated soil.

The invention discloses a sexual reproducing method of southeast Crassulaceae, which comprises the following steps: harvesting ripe seed of Crassulaceae; exposing; picking; sieving; separating; airing under shadow; reserving at -20-0 deg. c; freezing the seed below 4 deg. c for 2-3 weeks before germinating; using tap water to select seed; sterilizing the seed through 0. 5%KMnO4; germinating on the paper bed; harvesting the seeding; transmitting the seeding into the base with vermiculite and pearlite; culturing through full-nourishing liquid of dicotyledon; transplanting the seeding into field until the seeding is 3-4cm. The invention can harvest large amount of sexual reproduced sprout of southeast Crassulaceae, which can restore the plant in the heavy metal polluted environment.

The invention discloses a phytoremediation activator and a phytoremediation method for heavy metal contaminated soil. In terms of 1000 kg of the phytoremediation activator, the phytoremediation activator is prepared from the following components: 30-350 mol of GLDA (N,N-bis(carboxymethyl)-L-glutamic acid tetrasodium salt), 100-200 kg of ground phosphate rock, 250-450 kg of sawdust, 50-200 kg of auxiliary materials and the balance of water. GLDA, the ground phosphate rock and the sawdust are combined, the obtained phytoremediation activator can significantly improve heavy metal arsenic and cadmium extraction capacity of Sedum alfredii and octopus, and soil remediation efficiency is improved.

The invention discloses a method for improving phytoremediation efficiency of farmland soil with light cadmium pollution by using potash fertilizer, which comprises the following steps in sequence: (1) transplanting seedlings of a plant with super cadmium accumulation, particularly referring to the seedlings of sedum alfredii hance, in soil with the light cadmium pollution and fertilizing 2.3-2.5Kg of pure potassium in a form of sulfate fertilizer per mu; and (2) harvesting overground parts of the sedum alfredii hance when the overground parts of the sedum alfredii hance are 50-60cm high. after used for repairing the farmland soil with the light cadmium pollution, the method disclosed by the invention has the advantages of being high-efficiency, economical, green, environment-friendly and the like.

The invention provides a method for repairing cadmium polluted farmland through Sedum Spectabile Boreau. The method comprises the steps that the Sedum Spectabile Boreau is planted on cadmium polluted farmland in a cuttage mode, and a large amount of cadmium in the cadmium polluted farmland is absorbed through the root system of the Sedum Spectabile Boreau, the Sedum Spectabile Boreau is transferred to the ground to be accumulated; when the overground part of the Sedum Spectabile Boreau grows to 30-50 cm, defoliation is conducted and needs to reserve 4-5 cm of the overground part of the Sedum Spectabile Boreau, and the overground part of the Sedum Spectabile Boreau is transferred away so as to remove cadmium in the polluted soil; and the rest of the Sedum Spectabile Boreau can continue to grow and absorb cadmium in the soil, secondary defoliation is conducted when the overground part of the Sedum Spectabile Boreau grows to 30-50 cm, and the content of cadmium in the soil can be reduced continuously. The method for repairing the cadmium polluted farmland through the Sedum Spectabile Boreau has the advantages of being easy to operate and manage, low in expense, high in cadmium removal efficiency, good in repairing effect and the like; meanwhile, the Sedum Spectabile Boreau is a kind of ornamental plant, the function of beautifying the environment can be achieved while the polluted soil is repaired, and a certain economic value is achieved.

The sedum lineare seedling block for greening roof, can be made into the form of cube cuboid, is formed from sedium lineare root, net-like material, base material and sedum lineare stem and leaf. On the ground the sedum bineare seedling block is cultivated, when the sedum lineare is grown to 3 cm in height and its coverage is up to above 90%, it can be cut into the finished product seedling blockwith a certain size, these seedlings can be spliced and laid on the roof so as to form green.

A preparation method of a traditional Chinese medicine lotion for treating redness-swelling type cellulitis belongs to the technical field of traditional Chinese medicine preparation methods. Currently, antibiotics and sulfanilamide medicaments are generally used for the treatment of redness-swelling type cellulitis, and have the disadvantage of great side effect. The technical scheme of the invention is that the preparation method comprises the following steps: soaking the following 28 herbs of polygonum hydropiper, common lantana leaf, sedum, shrubby breynia, phymatopsis hastata, herba patriniae, changium smyrnioide, hemsleya macrosperma, rhizoma anemarrhenae, radix tinosporae, nasturtium, honeysuckle, bidens biternata, houttuynia, herba lespedezae cuneatae, hypericum perforatum, sedum sarmentosum bunge, sagina subulata, lycoris, patience dock root, radix sophorae flavescentis, balsam pear, folium llicis latifoliae, elephantopus scaber, gentrin knotweed, saxifrage, solanum nigrum and licorice in water, decocting with mild fire, filtering to remove residues so as to obtain the medicinal liquid which is the traditional Chinese medicine lotion for treating redness-swelling type cellulitis. The advantages are that the prepared traditional Chinese medicine is less in toxic and side effect, short in treatment course, and high in cure rate, and can also prevent adverse effect caused by western medicine administration.

The invention discloses a method for extracting sedum spectabile genomic DNA, comprising the following steps: taking powdered sedum spectabile, and adding preheated 2% CTAB extracting solution to dissolve; carrying out warm bath at 65 DEG C for 45 minutes, adding hloroform and isoamyl alcohol mixture of same volume, mixing, and centrifuging for two times at high speed at room temperature; taking a supernatant, adding ice-cold isopropanol which is 2 / 3 the volume of the supernatant, mixing, standing at low temperature for 15-30 minutes, and settling DNA; centrifuging at high speed at low temperature, discarding the supernatant, recovering the precipitate, washing for two times by 70% ethanol, airing, adding TE buffering solution, adding RNase, digesting for 30 minutes at 37 DEG C, and preserving the obtained DNA sample at low temperature. According to the method, the added RNase which is an enzyme can remove the RNA thoroughly and effectively so that the extracted DNA has higher purity and the interference of the RNA to the subsequent experiment is avoided.

The invention discloses a method for separating and purifying four sedum purpureum flavones by employing online two-dimensional chromatography (liquid chromatography-high-speed counter-current chromatography). The method comprises the following steps: carrying out online ultrasonic extraction and liquid-solid adsorption chromatography enrichment on sedum purpureum flavones through an ionic liquid water solution serving as an extracting agent; carrying out online elution on the enriched sedum purpureum flavones; and then directly carrying out online high-speed counter-current chromatography separation on the eluted sedum purpureum flavones to obtain four flavones monomers of which the purity exceeds 95%. According to the method, through series connection of extraction, column chromatography and high-speed counter-current chromatography, fussy solvent extraction and repeated column chromatography processes are avoided, the separation method is simple, and the separation efficiency and the product purity are high.

The present invention relates to germchit propagation process of Alfred stonecrop as heavy metal super accumulating plant. The process adopts the stem section, stem apex or leaf of Alfred stonecrop for propagation, and has wide seedling growing material range, easy operation, capacity of real-time monitoring, high transplanting survival rate, fast propagation speed and high efficiency. The present invention creates condition for repairing large area of heavy metal contaminated land.

The invention relates to a three-dimensional greening turf for soilless cultivation, which consists of four layers from bottom to top: non-woven fabric, substrate layer, perforated cloth and turf. The perforated cloth can be perforated non-woven fabric, perforated burlap or perforated sack, and the aperture on it is 1-10 millimeters. The composition of the substrate layer is selected from a mixture of pastoral soil, humus, sand, perlite, peat soil and microencapsulated fertilizer. During implementation, a layer of non-woven fabric is first laid on the planting bed of the planting site to avoid the substrate layer from being scattered during drafting. The lawn-forming turf of the invention has fast three-dimensional greening construction speed, can promote plant growth, realizes low-cost maintenance, and is a major step towards the selection of three-dimensional greening plants and industrialized seedling cultivation.

The invention relates to an organic fertilizer for modifying the plow layer of a low-yield land and repairing heavy metal plants. For the modification of the plow layer (0-35 cm deep) of the low-yield land, the soil should comprise 30% of organic matters, 6% of inorganic nutrients, 5% of calcium (including chelated calcium, complexed calcium and and ionized calcium), 10% of silicon, and 0.5% of magnesium, zinc, manganese, molybdenum, selenium and on the like by weight percent. For the repair of the heavy metal plants in the plow layer of the soil, the following types of plants are involved: cadmium absorption accumulator plants: Pteris VittataL., Pteris CreticaL., Sedum Olfre diiL., and Phyto Cacca atinosa ROXL.; cadmium hyperaccumulator plants: Vio la booshanensis and Solanym nigrumL.; chromium absorption accumulator plants: Digitaria Sanguinnalis; arsenic hyperaccumulator plants: ciliate desert-grass lead accumulator plant: E.Canadensis; nickel accumulator plant: taraxacum officimale.

The invention relates to a sedum rhizosphere cadmium-resistant bacillus sp. BCd5 strain and its screening method. The invention specifically relates to a sedum rhizosphere cadmium-resistant bacillus sp. BCd5 strain which has been preserved in the China General Microbiological Culture Collection Center (CGMCC) on December 1st, 2014 with the preservation number being CGMCC NO. 10077. 16S rDMA gene sequence of the strain is as shown in the Figure 1. The strain is a Gram-negative bacterium, aerobasilus having flagellum and capsule. The strain has high resistance to cadmium and has practical significance and important engineering application value in plant-microbial remediation of cadmium-contaminated soil.

The invention provides a method for obtaining sedum with high temperature and high humidity resistance, which comprises the following steps: (a) culturing seedlings; (b) culturing and screening under conditions of high temperature and high humidity; (c) screening out plants with good plant types, sturdy stem leaves, bright leaf colors and no plant diseases and insect pests, and adopting a plant-dividing cuttage method for propagating; and (d) repeating the step 1 once or a plurality of times till obtaining required high-temperature and high-humidity resistant plant. Sedum ablum, sedum acre and sedum sexangular new strains which can be obtained by screening according to the method have the following advantages: (1) the rot emergent time is remarkably later than before screening; (2) the rot area is remarkably reduced; (3) the plants after the screening are stronger than that of before the screening. The Sedum ablum, sedum acre and sedum sexangular new strains can be used for greening application, particularly urban roof greening and park lawn greening, especially the greening application in Northern areas In China.

The invention relates to sedum rhizosphere lead-resistant strain pseudomonas sp JPb5, in particular to a lead-resistant strain pseudomonas sp JPb5 separated from sedum rhizosphere. The lead-resistant strain pseudomonas sp JPb5 is preserved in the China General Microbiological Culture Collection Center with the preservation number of CGMCC No.10087 on December 1, 2014. The lead-resistant strain pseudomonas sp JPb5 is gram-negative bacteria or aerobasilus, and has flagella and capsules. The strain has relatively high resistance to heavy metal lead, and has practical significance and important engineering application value on the aspect of remediation of heavy metal lead contaminated soil through combination of plants and microorganisms.

The invention discloses a black tea-containing nutritional health noodle and a making method thereof. The noodle comprises wheat flour, black tea, spring bamboo, Sedum.k.F, chickpeas, sweet almond flour, hawthorn fruit powder, Gynura bicolor, fig, purslane , wolfberry leaf, Silene conoidea L., Fructus Liquidambaris, Blackberrylily Rhizome, Radix et Rhizoma Nardostachyos, Fritillaria cirrhosa and red ginseng tails. The noodle has a delicate tea fragrance, the addition of many food materials improves the taste of the noodle, makes the noodle have delicious and tasty tastes, and increases the nutrition of the noodle; and the noodle has the characteristics of no muddy soup and no breaking after long time boiling.

The invention discloses a rooting method of Hylotelephium erythrostictum by using water culture and cutting, which comprises the steps: intercepting a stem section of Hylotelephium erythrostictum without plant diseases and insect pests, inserting the base of the stem portion into a rooting culture medium, and culturing at 18 to 25 DEG C for 1 to 3 weeks, wherein the rooting culture medium is a basic nutrient solution to which a plant growth regulator is added, the plant growth regulator comprises auxin analogue and a cytokinin analogue at a concentration ratio of 1:1, and the basic nutrient solution is a 50% Hoagland nutrient solution. The quick rooting method of Hylotelephium erythrostictum by using water culture and cutting greatly improves the rooting rate and root quantity of Hylotelephium erythrostictum by using water culture and cutting, and solves the key technical problems about rapid propagation of Hylotelephium erythrostictum and has great significance for rapid propagation and industrialized nursery and production of Hylotelephium erythrostictum.

The invention relates to the technical field of soil remediation, and particularly relates to a method for remediating cadmium pollution of soil with red-spotted stonecrop. The method comprises the following steps: step A: applying a biomass charcoal improver to the polluted soil; step B: planting red-spotted stonecrop in the polluted soil; step C: after growing for 60-150 days, cutting overground plant parts of the red-spotted stonecrop and then applying a nutrient solution; and step D: after repeating the step C for 1-4 times, removing the whole red-spotted stonecrop. The method provided by the invention uses the red-spotted stonecrop and the biomass charcoal improver for joint remediation; the biomass charcoal improver provides a relatively good growth environment for the red-spotted stonecrop, plays a role of promoting growth of roots of the red-spotted stonecrop, and enhances vitality of the red-spotted stonecrop; the red-spotted stonecrop can enrich the heavy metal cadmium efficiently; the content of cadmium in the polluted soil can be reduced greatly under double action of the red-spotted stonecrop and the biomass charcoal improver; the method can achieve the purpose of complete remediation after three to six years and has good social and economic benefits and popularization and application values.

The invention relates to a "plant-microorganism" coupled type landscape ecological revetment construction method suitable for an inland river of a northern city. Grass seeds: sedum sarmentosum bunge and festuca arundinacea suitable for growing in the north are selected as revetment plants, composite flora suitable for plant growth are selected and designed, and with plant grass concrete as a growing substrate, a "plant-microorganism" coupled type ecological revetment is formed. According to the"plant-microorganism" coupled type landscape ecological revetment construction method suitable for the inland river of the northern city, influences of terrain, weather, hydrology and other factors on plant growth are comprehensively considered, construction is easy, cost is low, the slope excavationand backfill earthwork amount can be greatly reduced, the land occupied by engineering is saved by 30% or above, and investment of part of the engineering can be saved by 61%. Besides, application ofdimension stones, cement, steel bars and other materials is reduced, pollution and damage of human activities to the natural environment are reduced, the energy consumption is reduced to the maximumextent, the emission amount of carbon dioxide is reduced, oxygen is added for the natural environment, the water quality of the waterfront environment can be improved easily, and the environment benefits are obvious.

The invention provides a method for remedying cadmium-contaminated soil through inter-planting of cadmium accumulator plants and fruit trees. The method comprises the steps that cadmium accumulator Sedum Spectabile Boreau and low-cadmium-accumulation commercial crop citruses are selected and inter-planted in the cadmium-contaminated soil, and a large quantity of cadmium in the soil is absorbed bya root system of the Sedum Spectabile Boreau and is transferred over the ground; when the Sedum Spectabile Boreau reaches 40-50cm, the overground parts of the Sedum Spectabile Boreau are removed fromthe cadmium-contaminated soil, so that the cadmium in the cadmium-contaminated soil is removed; the cadmium content of the harvested parts of the screened-out low-cadmium-accumulation commercial cropcitruses is lower than the relevant standard, so that the purpose of remedying the cadmium-contaminated soil during production is realized; after harvesting, the Sedum Spectabile Boreau can continue to grow to absorb cadmium in the soil, and the overgroud parts can be cut again to remedy the cadmium-contaminated soil when the Sedum Spectabile Boreau grows to 40-50 cm; and the citruses perennial crops and can continue to grow to be harvested after being harvested. The method is reasonable in design, easy to operate, low in cost and capable of being used for remedying the cadmium-contaminated soil, and has good environmental, economic and social benefits.

The invention discloses a method for the introduction, domestication and cultivation of a sedum lineare. A needle sedum linerate can be acquired through the method, so as to not only inherit the good properties of primitive ecology sedum lineare, but also grow uprightly without falling. The needle sedum linerate has the advantages that the drought resistance is strong, the required stroma is thin, the growth is good, the planting distance is close, foliages are luxuriant, and the re-greening rate of the second year reaches more than 95 percent. The number of needle sedum linerates which are acquired through the method of the invention, is 8000-10000 for each square meter, thereby improving the density of lawn, the coverage and the supply of oxygen, and improving the roof greening and insulating effects. The needle sedum linerate which is acquired through the method of the invention is 100-15-mm high , does not need to be pruned, has strong capacity for resisting diseases and insect pests and can save a large amount of maintenance cost. Furthermore, the cultivation matrix can be easily gotten and has low price. The weight of the cultivation matrix is 30-35kg for each square meter in the water-saturated condition, thereby ensuring the possibility of planting the sedum lineare on the roof in a large scale.

The invention discloses a perennial plant rooting powder preparation method. Perennial plant rooting powder is prepared from 1% brown sugar water, vinasse, furfural residues, citronella leaf powder, rosemary leaf powder, herba alternantherae powder, wheat straw powder, stevia rebaudiana powder, sedum powder, ruellia brittoniana powder, oenothera biennis powder, cattail powder, wormwood powder, solidago canadensis powder, vinegar residues, corncob powder, cottonseed hulls, ginseng powder and carrot powder. Raw material sources are extensive, low cost is realized, a storage period is 1-2 years,and environmental pollution is avoided. Synergistic effects among components are achieved, active nutrients are sufficient, cutting seedling root systems grow well, plants are robust, and the occurrence rate of bacterial leaf rot, leaf spot disease and ear root rot is decreased.

The invention discloses a method for intensively extracting and repairing cadmium and lead moderate-pollution farmland soil. The method comprises the following steps: weeding cadmium and lead moderate-pollution farmland soil, applying a base fertilizer, conducting ploughing, land preparing and ridging, and transplanting hyper-accumulation type sedum alfredii plants; spraying a reinforced repairingagent in a seedling stage and a rapid growth stage respectively; in April to May of a second year, removing the hyper-accumulation type sedum alfredii plants, and then sowing oil sunflower seeds; then, in June and July of a second year, spraying a reinforced repairing agent to oil sunflower; and after the oil sunflower is ripe, harvesting the oil sunflower plants. Through crop rotation of hyper-accumulation type sedum alfredii and oil sunflower and combination with spraying of the reinforced repairing agent, the defect that hyper-accumulation type sedum alpine is insufficient in heavy metal absorption capacity in deep soil is overcome, the adsorption effect of the hyper-accumulation type sedum alfredii and the oil sunflower on heavy metal cadmium and lead in the cadmium and lead moderate-pollution farmland soil is remarkably improved, and then the remediation effect of the cadmium and lead moderate-pollution farmland soil is improved.