34 results about "Stratiotes" patented technology

The invention discloses an organic leaf fertilizer and a preparation method of the organic leaf fertilizer. The organic leaf fertilizer is prepared from the following raw materials in terms of parts by weight: 44-46 parts of urine, 14-16 parts of rhizobium astragalus, 20-22 parts of rape pollen, 13-15 parts of maize seeds, 8-10 parts of withered flowers, 12-14 parts of bleeding sap, 5-7 parts of brown sugar, 13-15 parts of willow bark, 2-4 parts of gibberella, 11-13 parts of stonewort, 6-8 parts of calcium hydroxide, 12-14 parts of pistia stratiotes, 7-9 parts of tea seed cakes, 3-5 parts of collophanite and 1-3 parts of polyhalite. The organic leaf fertilizer has the advantages of quickness in fertilizer efficiency, good fertility, insect pest resistance and capability of significantly increasing crop yield.

The invention discloses a method for fast growth, high yield and high-efficient carbon capture cultivation of grain sorghum and sudan grass. The method comprises the following steps of using the grain sorghum, sorghum halepense, sudan grass and sorghum moench hybrid seeds for propagation; enlarging the planting area; and by fast propagation, high-yield cultivation, multi-time harvest and timely landfill technologies, cradling for 4-6 times a year, and enabling the yield to reach 90-200T / hm<2>. By using the sorghum plant photosynthesis, the CO2 in the atmosphere can be converted into organic compounds to be filled under the ground, therefore, the negative growth in global carbon emission can be achieved, and the atmospheric greenhouse effect can be reduced; the Earth's ice melt can be choked, the sea-level rise can be controlled, the Earth's climate and biodiversity the maintained, and the life time of the humans on the Earth can be prolonged.

The invention discloses Taiwania flousiana Gaussen with herbicidal activity and an application of Taiwania flousiana Gaussen and an application of a Taiwania flousiana Gaussen extract as a herbicide. The research finds that the Taiwania flousiana Gaussen and the Taiwania flousiana Gaussen extract have the efficacies of remarkably inhibiting germination, synthesis of chlorophyll a and growth of multiple classical farmland weeds, invasive weeds and aquatic weeds such as crab grass, amaranthus retroflexus, tropic ageratum herb, feather cockscomb, Bidens pilosa, mikania micrantha, Pistia stratiotes and spirogyra, have remarkable inhibition effects, can be applied to the prevention and kill-off of the farmland weeds and can be developed into efficient and pollution-free environment-friendly herbicides, or a lead compound is provided for the creation of novel herbicides; and the Taiwania flousiana Gaussen and the Taiwania flousiana Gaussen extract have remarkable social and economic benefits and good application prospects.

The invention discloses a method for implementing carbon sequestration by means of planting, harvesting and dumping fast-growing algae. The method includes reproducing progenies of unicellular algae by means of fission; reproducing progenies of multi-cellular algae by means of spore reproduction; expanding the cultivation area; implementing high-yield cultivation and scientific dumping by means of production management and repeated harvesting. The method has the advantages that CO<2> in the atmosphere is converted into organic compounds by the aid of photosynthesis of the algae, the organic compounds are dumped under stratums, accordingly, negative growth of global carbon emission is realized, and the atmospheric greenhouse effect is relieved; melting of ice layers of the earth is suppressed, seal-level rise is controlled, and the climate and the biodiversity of the earth are maintained; and the survival time of the mankind on the earth can be prolonged.

The invention provides a plant restoration method for uranium polluted water, and the method is characterized in that a floating aquatic plant Pistia stratiotes L is stocked in uranium polluted water, the plant root can quickly absorb and concentrate uranium in large amounts, simultaneously some uranium is transferred upward to leaves above water, through timing salvage, collection, and concentrated treatment, large amounts of uranium is removed from water, and after a certain restoration period, the uranium content in water can decline to the scope which is allowed in drinking water standard. The initial concentration of uranium is 1500 micrograms per liter; the proportion of added Pistia stratiotes L is about 1 / 5 of the water weight; after one day, the removing rate exceeds 98%, and the uranium concentration effectively declines to be lower than the drinking water standard (30 micrograms per liter). The method restores uranium polluted water quickly, purifies water thoroughly, and is suitable for various uranium polluted water. The method has no special requirement for equipment and a place to be restored, and is simple and easy for use.

The present invention relates to a method for external regeneration and propagation method of pistia stratiotes. Said method includes the following steps: selecting pistia stratiotes stem, cleaning and disinfecting it to obtain sterile explant; cutting its stem into slices, then placing the slice on the MS culture medium containing plant hormone 2,4-D and BA, inducing to form callus; then transferring said callus onto the MS culture medium containing plant hormone BA to make regeneration and obtain seedling, further rooting so as to obtain whole regenerated plant, then transferring the regenerated plant onto SH liquid culture medium to make extensive propagation.

The invention discloses C-glycosyl transferase and application thereof in synthesis of schaftoside and isoschaftoside. 2-hydroxyflavanone C-glycosyl transferase genes (SbCGTa, GuCGTa, PsCGTa, LpCGTa and AeCGTa) and C-glucose-2-hydroxyflavanone C-glycosyl transferase genes (SbCGTb, ZmCGTb, OsCGTb1, OsCGTb2, GuCGTb, PsCGTb, LpCGTb and AeCGTb) are separated from scutellaria baicalensis, corn, rice, licorice, pistia stratiotes, spirodela oligorrhiza and arisaema erubescens. The invention finds for the first time that proteins coded by the genes participate in synthesis of phytoalexin schaftoside and isoschaftoside in plants, so that a feasible method is provided for synthesizing the schaftoside, the isoschaftoside and analogues thereof by utilizing enzyme catalysis in vitro.

The invention belongs to the technical field of environmental remediation, and particularly relates to an adsorbent and a preparation method and application thereof. The preparation method of the adsorbent comprises the following steps of: step 1, mixing pistia stratiotes plant powder with a modifier for modification, and drying to obtain modified pistia stratiotes; step 2, carrying out high-temperature cracking reaction on the modified pistia stratiotes in an anaerobic or anoxic state in a protective atmosphere to obtain pistia stratiotes charcoal; and step 3, mixing the pistia stratiotes charcoal with an acid-base regulator, rinsing until the pistia stratiotes charcoal is neutral, and drying to obtain the adsorbent. According to the adsorbent and the preparation method and application thereof, the technical defects that an existing adsorbent is weak in adsorption capacity, particularly weak in adsorption capacity for ammonium nitrogen in a polluted water body, incapable of meeting the emission standard and incapable of meeting the requirements of people can be effectively overcome.

The invention provides traditional Chinese medicine for treating cervical cancer and a preparation method. Raw herbal materials of the traditional Chinese medicine comprise gynura bicolor, pistia stratiotes, edgeworthia chrysantha, hylocereus undatus, timothy grass, argemone mexicana, artemisia sphaerocephala, tamarix chinensis, tropic ageratum herbs, alder bark, corydalis balansae, manchurian beakgrain, oyster plants, licorice sections, roxburgh roses, franchet peashrub flower roots, pungent litse root bark and sassafras tzumu. The traditional Chinese medicine has the advantages that the exact curative effect on the cervical cancer is achieved, toxic and side effects are few, relapsing is not prone to occurring, and the survival time of cervical cancer patients can be significantly prolonged.

The invention belongs to the technical field of tea planting and particularly relates to a method for planting vane tea. The method comprises the following steps of 1, selection of a vane tea garden,wherein original sandy loam in the old stratum of metamorphic rocks or loam with deep and loose soil, abundant organic matter and the pH of 5.5-7.5 is selected as a plantation garden of vine tea; 2, field planting, wherein tea seedlings are planted in a field in a hole planting mode, whole reclamation soil preparation is not conducted, original plants and shrubs are retained, and the biodiversityof the tea garden is maintained; 3, management and protection, wherein within 2 years of the early stage of the tea seedlings in the garden, the tea seedlings are watered at regular time, weeds aroundthe tea seedlings are removed, there is no need to manage the tea seedlings after the tea seedlings grow out to climb to the side shrubs, and the tea seedlings grow naturally. The biodiversity of thetea garden is fully retained, pests and diseases are effectively avoided, and therefore the use of pesticides and other growth agents is avoided.

The invention discloses an artemisia apiacea hundred-herb-medicine oil and a preparation method and application thereof, and aims to solve the problem that existing mosquito repellent products are poor in using effect. The artemisia apiacea hundred-herb-medicine oil comprises medicinal components and plant oil, and the medicinal components comprise artemisia apiacea leaves, wild chrysanthemum flowers, honeysuckles, flos carthami, flos magnoliae liliflorae, lonicera japonica, paniculate swallowwort roots, radix isatidis, dandelions, radix zanthoxyli, murraya paniculata, pistia stratiotes, selaginella tamariscina, abrus mollis, groundsel, schizophragma integrifolium, wormwood, vitex negundo L leaves, vitex negundo L seeds, litsea cubeba, fructus cnidii, rhizoma acori graminei, melaleuca alternifolia, fructus amomi, angelica pubescens, notopterygium, cassia twigs, agastache rugosus, clove, radix angelicae, lalang grass rhizome, ligusticum wallichii, pseudo-ginseng, artemisia apiacea oil,artemisinin, sandalwood oil, agilawood oil, dalbergia wood oil, camphor oil, peppermint oil, methyl salicylate, turpentine, eucalyptus oil and verbena oil. The hundred-herb-medicine oil prepared through plant oil extraction and steam distillation preparation technologies using the principle that like dissolves like is fragrant and pleasant in smell, wide in applicable people range and convenient to use.

The invention discloses a method for chemically preventing and removing water hyacinths and pistia stratiotes.The method is completed through the first step of pretreatment, the second step of pesticide application and the third step of a check test.The method has the advantages that mesotrione can effectively prevent and treat field broad-leaved weeds and can also prevent and treat two vicious aquatic weeds, namely, the water hyacinths and the pistia stratiotes fast and effectively; a body and metabolin of the pesticide both belong to low-toxicity substances, degradation in water is fast, the activity of aquatic organisms and drinking water safety are not affected, and the aims of safe and efficient prevention and treatment with time and labor saved are achieved.

The invention belongs to the technical field of medicine and pharmacology, and particularly relates to a medicinal preparation used for treating allergic medicamentosus stomatitis. The medicinal preparation is prepared from lycogala epidendrum, kochia shoots, albizia chinensis, dry sandalwood, pratia nummularia roots, hungaian morning glory roots, trapa incisa, golden sealavender flowers, apricotleaf ladybell roots, shallots, herba glechomae, garcinia xanthochymus, grass-leaved eria, tritonia crocata, pistia stratiotes, pyrola, huanggaoben, Chinese sericocalyx herbs, fissistigma bracteolatum, bean curd crust, pilea martini, grenateleaf hetreopappus herbs, angled bittersweet roots, manyflower jasmine herb flowers, lysozyme chloride, zinc hyaluronate, limonene, sorbitol, sodium alginate, vitamin C, polyvinyl alcohol, N-dodecyl sarcosinate sodium and accessories. Through the multiple Chinese herbs with reasonable compatibility and Western medicine ingredients with a regulating effect, the medicinal preparation has the effects of removing swelling, relieving pain, diminishing inflammation and achieving the antibacterial effect, also has the effects of promoting salivation, inducing diuresis and removing toxicity, promotes sensitinogen discharge, helps congestive or oedematous or anabrotic or oozy skin tissue to recover rapidly, is free of side effects and has high universality.

The invention relates to a Pistia stratiotes culture method and a method for monitoring lead exceeding by adopting Pistia stratiotes, belongs to the technical field of environmental protection engineering and relates to a propagation and ecological restoration technology for plants which are sensitive to lead and can enrich lead. The Pistia stratiotes culture method and the method for monitoring the lead exceeding by adopting the Pistia stratiotes sequentially comprise the steps of picking mature Pistia stratiotes seeds, taking seeds which are stored for over 100 days by a water soaking method, carrying out asexual propagation one week after the natural germination of the seeds, continuously clearing maternal plants of first and second generations, reserving robust plants of a third generation, and then, placing the Pistia stratiotes of the third generation in floating islands and water areas to be monitored. According to the method, whether the lead content of water of river courses is overproof or not can be displayed in a direct-viewing, convenient, economical and rapid manner.

The invention discloses quick-preparation type plant alkaloid insecticidal powder for peach trees and a preparation method of the quick-preparation type plant alkaloid insecticidal powder. the plant alkaloid insecticidal powder is prepared from the following components in parts by weight: 4.534-8.655 parts of 1,2-dicarboxy-propyl carborane, 3.982-9.376 parts of N-bromosuccinimide, 9.456-14.269 parts of cod-liver oil extracts, 4.257-8.657 parts of methyl methacrylate, 1.354-4.156 parts of biscyclopentadienyl iron, 5.698-7.156 parts of acetic p-toluenesulfonic anhydride, 4.598-7.325 parts of divinyltetramethyldisiloxane, 18.657-20.723 parts of alliin, 10.687-15.893 parts of divinyltetramethyldisiloxane, 12.586-17.951 parts of calla extract liquor, 7.635-12.675 parts of methyl trifluoromethanesulfonate, 1.589-7.896 parts of N, N-dimethylformamide, 10.893-16.753 parts of 2-oxo-1-imidazolidinecarbonyl chloride, 8.394-12.756 parts of 3-acetyl-1-chlorocarbonyl-2-imidazolidone, 14.659-18.546 parts of 3-chlorocarbonyl-1-methanesulfonyl-2-imidazolidinone, 4.893-8.885 parts of 1-(2-hydroxyethyl)-2-imidazolidinone, 6.786-10.563 parts of 1-methylsulphonyl-2-imidazolidone, 15.689-22.486 parts of 1,3-dimethyl-2-imidazolidinone, 17.986-22.258 parts of 1-acetyl-2-imidazolidinone and the like and 5.698-8.467 parts of pistia stratiotes extract liquor.

The invention discloses feed prepared from hydrophyta natantia. The feed is prepared from, by weight, 35-45 parts of corn, 20-30 parts of hydrophyta natantia powder, 5-10 parts of bean pulp, 5-10 parts of protein powder, 5-10 parts of pepper meal, 1-2 parts of calcium powder, 1-2 parts of microelements, 5-10 parts of dried blood, 2-4 parts of modified starch and 2-5 parts of lipase, and the hydrophyta natantia powder is any one or more of lotuses, calami, scirpus tabernaemontani, cattail, reed, water lilies, royal water lilies, water chestnuts, nymphoides peltatum, hydrilla, hornwort, eel grass, water caltrop, myriophyllum spicatum, water hyacinth, pistia stratiotes, hydrocharis, azoila imbricate, salvinia molesta, lemna minor, duckweed, water cabbages, eichhornia crassipes and lemna minor. The feed is simple in matching and convenient to use, the hydrophyta natantia is used for replacing part of grain raw materials (mainly beans are replaced and the use amount of the corn is reduced), and the cost of the feed is greatly reduced.

The invention discloses a bean-saving chicken feed which comprises the following components in parts by weight: 35-45 parts of corn, 20-30 parts of hydrophyte natantia powder, 5-10 parts of bean pulp, 5-10 parts of Leguminosae straw powder, 5-10 parts of malt, 1-2 parts of multivitamin, 1-2 parts of microelement, 5-10 parts of blood powder, 2-4 parts of edible oil and 2-5 parts of animal viscera. The hydrophyte natantia powder comprises any one or more of lotus, calamus, Scirpus tabernaemontani, cattail, reed, pond lily, royal waterplatter, water chestnut, Nymphoides peltatum, hydrilla, hornwort, Vallisneria spiralis, curly pondweed, watermilfoil, common waaterrthacinth, Pistia stratiote Linn, Hydrocharis morsus-ranae, water fern, salvinia, water fern, Lemna duckweed, duckweed, Pistia stratiotes, Eichhornia crassipes and Lemna minor. The feed is simple in proportioning and convenient to use, and substitutes part of grain raw materials (mainly substitutes beans, and lowers the consumption of corn) with the hydrophyte natantia, thereby greatly lowering the cost of the feed.

Methods for treating substrates, including the skin and hair, by contacting the substrate with an extract of the Pistia Stratiotes plant are described, along with skin-care and hair-care compositions containing such extracts and processes for preparing such extracts.

The invention relates to a pistia stratiotes, water caltrop and semen euryales mixed planting method which is characterized by comprising the following steps of: 1, water area cleaning; 2, water area fertilization; 3, planting of pistia stratiotes; 4, planting of semen euryales; 5, planting of water caltrop; 6, harvesting. The pistia stratiotes, water caltrop and semen euryales mixed planting method has the beneficial effects that the pistia stratiotes, water caltrop and semen euryales mixed planting method ensures respective rates of emergence and yields; the pistia stratiotes is planted on the outer layer of the water caltrop, so that water quality of a pistia stratiotes and water caltrop water area can be effectively ensured and no-pollution cultivation of the pistia stratiotes and the water caltrop is ensured; meanwhile, the pistia stratiotes, water caltrop and semen euryales mixed planting method has the advantages of high growth speed, low incidence rate, high yield, high quality and the like, and is suitable for large-scale popularization planting.

The invention relates to tea planting, in particular to a wild cultivation simulation method of ampelopsis grossedentata. The method comprises the following steps of 1, selection of a tea garden, wherein original sandy loam or loam of an old metamorphic rock stratum with loose and deep soil and a pH value of 5.5-7.5 is selected as plantation land of ampelopsis grossedentata, the content of organicmatter in the soil of the tea garden is high, the content of available potassium, total nitrogen and available phosphorus is high, the cation exchange capacity is high, and the content of harmful substances and heavy metal is low; 2, planting, wherein a hole planting mode is adopted for planting tea seedlings, there is no need to carry out full reclamation and soil preparation, thus original plants and shrubs are maintained, and the biological diversity of the tea garden is retained; 3, management and protection, wherein the tea seedlings are watered in time in the first two years of the early formation stage of the tea garden, weeds around the tea seedlings are removed, and after the tea seedlings grow out and climb to the shrubs beside the tea seedlings, the tea seedlings are allowed togrow naturally without further management. The method ensures the original ecological properties of ampelopsis grossedentata, avoids application of chemical fertilizers and pesticides and thus avoidsthe accumulation of harmful substances such as heavy metal, and the industrial quality of production is high.

The invention discloses a radix sophorae flavescentis wild domestication cultivation technology and method. Experiments in five aspects of selecting a seed reproduction land, performing rational closeplanting, performing intertillage hoeing, performing topdressing, performing disease prevention and control and harvesting seeds are conducted. According to the radix sophorae flavescentis wild domestication cultivation technology and method, deep-stratum and fertile sandy loam is selected through the seed reproduction land and beneficial life condition is provided for sowing of the radix sophorae flavescentis, so that subsequent normal growth of the radix sophorae flavescentis is realized; furthermore, germination is guaranteed by pedaling between lines with feet in the sowing process, the spacing between radix sophorae flavescentis seeds is hoed by using fine tools, so that touch on roots and tender shoots is avoided; meanwhile, flower buds are removed artificially, so that the growth and development of the main root are promoted; furthermore, ditching is conducted in the middle to late second year, and diammonium phosphate and pure water are mixed uniformly and are sprayed on leafsurfaces uniformly, so that the growth and development of seedlings are benefited; furthermore, Fenxiuning wettable powder and thiophanate-methyl wettable powder are mixed and stirred uniformly, are sprayed on the leaf surfaces uniformly and have the effect of preventing pests of the seedlings.

The present invention provides a green and ecological feed for pigs. The feed comprises basic materials, adjusting materials and Chinese herbal medicinal water. The basic materials comprise 30-40 parts of rice, 25-30 parts of corn, 20-25 parts of wheat bran, 10-15 parts of fish meal, 10-13 parts of shrimp shells, 15-18 parts of potatoes, 10-13 parts of sweet potato leaves, 9-12 parts of folium artemisiae argyi, 8-13 parts of bone meal, 10-14 parts of broomcorn millet, 11-15 parts of buckwheat, 7-9 parts of cowpeas, 6-10 parts of broad beans, 3-6 parts of water spinach, 4-7 parts of camellia flowers, 2-5 parts of pistia stratiotes and 6-8 parts of clover. Beneficial effects are as follows: the feed is prepared from purely natural crops and Chinese herbal medicines, and free of pigment additives and hormonal drugs, pork of the fed pigs is relatively high in quality, firm in quality and less in fat deposition, and the feed can enhance intestinal absorption and digestion ability of the pigs, and enhances disease resistance of the pork pigs.

The invention discloses a botanical pesticide for preventing and treating watermelon fusarium wilt. The pesticide comprises, by weight, 5-25 parts of water lettuce, 5-25 parts of pistia stratiotes, 1-12 parts of cucurbita pepo, 1-12 parts of field horsetail and 10-40 parts of enteromorpha prolifera. According to the botanical pesticide, main functional compositions, namely the water lettuce, the pistia stratiotes, the cucurbita pepo, the field horsetail and the enteromorpha prolifera, have rich nutrient substances, can provide some required nutritional factors for growth and development of watermelons, improve biological characters of the watermelons, and increase the yield of the watermelons.

The invention discloses a Chinese herbal medicine combination capable of activating blood circulation, moistening skin and removing wrinkles. The Chinese herbal medicine combination is prepared from pokeberry roots, radix polygonati officinalis, bergapten, Ligusticum wallichii, felwort, giant typhonium rhizome, pistia stratiotes, flos magnoliae, Miwu flowers, tuguagen series, white gourd kernels and alkanet. The Chinese herbal medicine combination is made from pure natural plant essence, is remarkable in wrinkle removing effect, and enables skin to be glossy, red, tender, plump, smooth and tight.

The invention discloses a method for breeding crayfish. The method comprises the following steps: 1) selection of a culture pond; 2) disinfection treatment; 3) water culture; 4) transplantation of aquatic plants; 5) release of shrimp seeds: In 1-3 d before the shrimp seeds are released, first pistia stratiotes is released at the rate of 20-30 kg / mu, and snails should be released at the rate of 50-100 kg / mu; then the shrimp seeds are released at the density of 100000 to 120000 / mu; 6) feed feeding: the crayfish feed is used as feed for feeding; the daily feed feeding amount was 10-20% the totalquantity of crayfish, and the feed is fed three times in the morning, noon and late nights; in the feeding process, a Chinese herb decoction is administered once a month, the dosage is 10-20 kg / mu, and the Chinese herb decoction is obtained by adding water and decocting radix astragali, radix codcnopsitis pilosulas, rhizoma Atractylodis, polyporus umbellatus and radix glycyrrhizae by specific ratio. The method can effectively improve the survival rate of crayfish.

The invention discloses a method for chemically preventing and removing water hyacinths and pistia stratiotes.The method is completed through the first step of pretreatment, the second step of pesticide application and the third step of a check test.The method has the advantages that mesotrione can effectively prevent and treat field broad-leaved weeds and can also prevent and treat two vicious aquatic weeds, namely, the water hyacinths and the pistia stratiotes fast and effectively; a body and metabolin of the pesticide both belong to low-toxicity substances, degradation in water is fast, the activity of aquatic organisms and drinking water safety are not affected, and the aims of safe and efficient prevention and treatment with time and labor saved are achieved.

The invention belongs to the technical field of ecological remediation of soil polluted by heavy metals and discloses a synthesizing method of a biological agent capable of gathering cadmium in a paddy rice field. The synthesizing method has the advantages that the synthesized biological agent is injected into the roots of Pisia stratiotes Linn. to promote the gathering effect, on the micro-pollution cadmium, of the roots of the Pisia stratiotes Linn., the cadmium pollution in the paddy rice field soil is controlled effectively along with the fast reproduction of the Pisia stratiotes Linn., and harm, caused by the fact that paddy rice gathers the cadmium in the soil, on human bodies is avoided.

The invention discloses a method for preventing and eliminating water hyacinth and pistia stratiotes at the same time. The method comprises the steps of pretreatment, pesticide application and test contrast. The method has the advantages that fomesafen can effectively prevent and treat field broad-leaf weeds and can also prevent and treat the malignant aquatic weeds water hyacinth and pistia stratiotes fast and effectively; toxicity to fishes and aquatic organisms is low, and toxicity to birds and bees is also low. Activities and drinking safety of the aquatic organisms are not influenced, and the purpose of safe, efficient, time-saving and labor-saving prevention and treatment is achieved.

The invention discloses an arranging method for leaf-floating vegetation in mixed-type subsurface wetland system, wherein the leaf-floating vegetation consists of caulerpa serrulata, pistia stratiotes L. and Taihu lake trapaceae. According to the method, caulerpa serrulata, pistia stratiotes L. and Taihu lake trapaceae which are fast in growth speed and strong in pollution resistibility are utilized for contructing the stable floating-island planting biological system, and the physiological metabolic activities such as absorption, adsorption, settlement promotion, denitrification and the like of caulerpa serrulata, pistia stratiotes L. and Taihu lake trapaceae are utilized for removing nutrient pollutants such as nitrogen, phosphor and the like in water and further purifying water.

The invention relates to a mixed planting method for pistia stratiotes and water chestnuts. The method is characterized by comprising the following steps of 1 water area cleaning, 2 water area fertilizing, 3 pistia stratiotes planting, 4 water chestnut planting and 5 harvesting. The mixed planting method for the pistia stratiotes and the water chestnuts has the advantages that the respective seedling emergence rate and yield are guaranteed; the pistia stratiotes is planted on the upper stream of the water chestnuts, therefore, the water quality of a water chestnut culturing water area can be effectively guaranteed, and pollution-free culture of the water chestnuts is guaranteed; meanwhile, the growth speed is high, the incidence rate is low, the yield is high, the quality is good, and the method is suitable for large-scale planting and popularizing.