1075 results about "Green algae" patented technology

A process of obtaining lutein in a high yield from green algae is described. Lutein and lutein-enriched products obtained by the process, which are suitable for use as dietary supplements and / or food additives, or cosmetic or pharmaceutical raw materials, are also described.

The invention discloses a method for forecasting blue-green algae water bloom in a large-scale shallow lake within 72 hours. The method comprises the following steps of: building a content forecasting model of chlorophyll a in a water body and a probability forecasting model of water bloom generation according to an in-situ growth rate and drift rate parameters of blue-green algae; analyzing instant content of the chlorophyll a in a monitoring water area; distributing and acquiring meteorological information data in a monitoring period; inputting the built models; and outputting a predicted value of the concentration of the chlorophyll a in the monitoring water area in the next 72 hours and the water area and the probability of water bloom generation. The method disclosed by the invention has the advantages of strong operability, easily acquired parameters used for forecasting and high timeliness, and can be used for rapidly and accurately predicting breakout of the blue-green algae water bloom and forecasting the blue-green algae water bloom in a waterhead site and a vital landscape water area.

The invention discloses a preparation method of a functional organic fertilizer for soil restoration. The method comprises the following steps: mixing crushed straws with blue-green algae according to the mass ratio of (1-5):10 to obtain a mixture, and then adding a biomass-transformed complex microbial inoculant and a biomass-transformed inductive material to the mixture; evenly mixing and then carrying out conventional stacking fermentation for 5-15 days, so as to obtain a semi-solid organic fertilizer; and mixing and pelletizing the semi-solid organic fertilizer, clay, biomass carbon ash and a heavy metal ion chelating agent according to the ratio of 1000:(50-200):(50-150):(1-5), so as to obtain the functional organic fertilizer for soil restoration. The organic fertilizer disclosed by the invention has a persistent slow-release fertilizer effect, and can adsorb, chelate and immobilize the heavy metal ions in a deactivation manner, soil fleeciness is facilitated, the moisture retention and the breathability are improved, rooting of plants is facilitated, formation of beneficial components of soil microelements and the like is optimized, the heavy metal-polluted soil is effectively restored, and secondary pollution of the soil is not caused.

This invention relates to a method and composition for enhancing epidermal and / or hair follicle stem cell production, cell renewal, and / or growth of the skin, hair and nails, by topical administration of a therapeutic dosage of cyanobacteria and green algae and / or both simultaneous enteral and topical administration of a therapeutic dosage of cyanobacteria and green algae.

Materials and methods are provided for growing algae while maintaining culture selectivity. Algae that can be grown include, for example, green algae such as those of the genus Scenedesmus. Lipid obtained from the algae can be used to produce biofuels such as biodiesel or polyunsaturated fatty acids such as omega-3 fatty acids. Feedstocks such as animal feed and aquaculture feed can also be produced as can phytonutrients such as asataxanthin and beta-carotene.

The invention discloses an organic-inorganic compound fertilizer and a preparation method thereof. The organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 25-30 parts of green algae, 12-17 parts of humic acid, 7-12 parts of bagasse mortar, 8-12 parts of saw dust, 7-15 parts of vermiculite, 5-10 parts of filtration mud, 5-10 parts of yeast organic waste water concentrated liquid, 5-8 parts of cane slag, 2-5 parts of sugarcane top and 2-5 parts of microbial strain liquid. The amount of the compound fertilizer organic matter is large than or equal to 55 weight parts, the total amount of NPK inorganic matters is large than or equal to 12 weight parts, the amount of the moisture is less than or equal to 25 weight parts, the effective viable count is large than or equal to 2 hundred million / gram, and the pH is 5.0-8.5. The preparation method comprises the following steps: fermenting twice by using microbial strains; adding inorganic porosity vermiculite, evenly mixing, and naturally drying so as to obtain the organic-inorganic compound fertilizer. Biodegradable agricultural and industrial production waste water, waste slag and sugarcane top regeneration organic matters are fully utilized as the raw materials, thereby improving the acidity and basicity of soil, improving the cation exchange capability (CEC) of the soil, improving the utilization of fertilizer, promoting the growth of crop and increasing the yield of the crop. The organic-inorganic compound fertilizer has the advantages of good ecological benefits and circular economy benefits and can be used as an additional fertilizer for crops such as sugarcane, watermelon and the like.

There is provided a method of separating free-astaxanthin selectively from green algae and, more particularly, to a method of separating free-astaxanthin selectively from Haematococcus pluvialis, the method comprising: mixing a cell culture containing Haematococcus pluvialis with an alkanic solvent and stirring, thereby obtaining an alkanic solvent extract containing astaxanthin material including free-astaxanthin and astaxanthin ester (step 1); and mixing the alkanic solvent extract with an alcohol and stirring, thereby obtaining an alcoholic extract containing free-astaxanthin (step 2). The present invention can not only maximize the efficiency of separating astaxanthin in high concentration by providing a very simple process technique capable of recovering free-astaxanthin selectively from H. pluvialis culture with high efficiency, but also realize the economical and simple operation of the process of separating free-astaxanthin by repeatedly using an alkanic solvent as a mediating solvent for extracting free-astaxanthin. Such a separation method can be used in extracting and separating a carotinoid analogue containing astaxanthin from a useful microalgae culture in addition to Haematococcus species.

Methods and compositions are disclosed to engineer plastids comprising heterologous genes encoding immuno-activating domains fused to an extracellular domain (ECD) of a receptor or surface glycoprotein, a growth factor or an enzyme and produced within a subcellular organelle, such as a chloroplast. The immuno-activating domains may include those regions of a protein capable of modulating the interaction between immune effector cells via proteins containing stereoselective binding domains and specific ligands, such as the Fc regions of antibodies. The present disclosure also demonstrates the utility of plants, including green algae, for the production of complex multi-domain fusion proteins as soluble bioactive therapeutic agents.

The invention discloses a cultivating and producing method for haematococcus pluvialis. A haematococcus pluvialis green swarm cell is inoculated to a culture medium in a sealed tank body, a manual light-emitting diode (LED) light source is utilized for irradiation cultivating, the wavelength range of a monochromatic light emitted by the LED light source is 450nm to 640nm with the bandwidth of 30nm, two types of light sources with different wavelengths are simultaneously used according to the proportion of light intensity of red lights and blue lights, which is in a range from 2:1 to 5:1, the total light intensity is in a range from 80mu E / m2.s to 1500mu E / m2.s, the temperature during the cultivating process is maintained in a range from 15 DEG C to 28 DEG C, and the potential of hydrogen (pH) of the cultivating environment is controlled in a range from 8.0+ / -1.0 by adding carbon dioxide. The energy consumption of temperature controlling is remarkably saved, the cultivating period is shortened by above 50% compared with that of traditional methods, and the concentration of the obtained haematococcus pluvialis cell in a green algae liquid is 2 to 5 times of that of the haematococcus pluvialis cell in a green algae liquid by traditional methods.

A method of ecological restoration of water bodies containing excess nutrient includes steps of: (a) taming Daphnia magna to be able to eat blue-green algae as an algae eating plankton with a taming composition fermented from spirulina powder, active yeast, and saccharide, so as to digest blue-green algae in the water bodies, and (b) putting the algae eating plankton in the water body polluted by the blue-green algae, wherein the algae eating plankton eats the blue-green algae, so that an eco-system of the water body containing excess nutrient can be restored. The method according to a preferred embodiment further includes a step of: (c) planting submerged plant in the water, wherein the submerged plant includes submerged forest and submerged turf.

The invention discloses a compound microbiological preparation and a preparation method for controlling the excessive reproduction of blue-green algae. The preparation comprises the following compounds with a certain weight proportion of microbial agents, organic fermentation agents, brown sugar and micro elements. The preparation steps are as follows: A. the preparation of the microbial agent, B. the preparation of the organic fermentation agent, and then the microbial agent\ fermentation agent, brown sugar and the micro elements are mixed based on a certain weight proportion, and finally, the compound microbiological preparation can be prepared. The preparation has reasonable formulation, is convenient to be used, has no pollution to the water, has high control rate and low cost, and is easy and convenient to be operated.

The invention relates to a microbial fuel cell, in particular to a green algae biological fuel cell generating power on the basis of photosynthesis, which comprises a transparent cathode cell of green algae culture solution and an anode cell containing rich oxygen or oxidant solution, wherein the cathode cell and the anode cell are isolated by a proton exchange membrane; the cathode and anode of the cell are fixed in the cathode cell and the anode cell respectively; the cathode cell is isolated from the air to create an anaerobic environment in the cathode cell, hydrogen-generating green algae is used a system green algae material, an indirect-process hydrogen generation regulating technique is adopted, an electronic transfer mediator is added into the system to enable electrons which aregenerated by photosynthesis to be combined with the electronic mediator through an electron transport chain before reaching hydrogenase, the electronic mediator releases electrons at a cathode electrode, and the electrons are transferred to the anode to combine with protons passing through the proton exchange membrane and oxidant in the cathode cell to form water. In the invention, optical energycan be converted into electric energy by coupling the photosynthesis of microalgae and a cell system, and a novel biological fuel cell is provided.

The invention discloses an acidizing fluid for green algae and a disease infected cell in porphyra haitanensis cultivation and a treating method thereof. A solvent for the acidizing fluid is clean seawater, and solute for the acidizing fluid is at least one of hydrochloric acid and citric acid, wherein the concentration expressed in percentage by weight of the solute in the acidizing fluid is 0.3 to 1.5 percent. The green algae and the disease infected cell can be quickly killed by a treating method of preparing the acidizing fluid, shipping, dipping for 15 to 20 seconds and rinsing, killing effect is better, the killing rate is over 90 percent, and the influence on the growth of the porphyra haitanensis is less. The treating method has the advantages of no restriction of natural condition, labor intensity reduction and the like.

The invention discloses a lake water body blue-green algae abundance estimation method based on remote sensing. The method comprises the following steps: carrying out high-spectrum remote sensing measurement on a lake water body by utilizing the concentration ratio of phycocyanin and chlorophyll to represent the blue-green algae abundance, selecting the ratio of remote sensing reflective rates of the two specific wave lengths and a function thereof as characteristics of blue-green algae, establishing an estimation model of the lake water body blue-green algae abundance, and estimating the lake water body blue-green algae abundance based on remote sensing. The method provided by the invention adopts a surface feature spectrograph or an onboard high-spectrum imager to carry out high-spectrum remote sensing on the lake water body, and the remote sensing reflective rate required for estimation can be obtained through performing radiation correction and atmospheric correction on aviation satellite high-spectrum data. The method provided by the invention has the advantages that the accuracy is high, the model is simple, the remote sensing reflective rates of the two wave lengths are selected, not only can the estimation on the water body blue-green algae abundance measured by the surface feature spectrograph be realized, but also the estimation on the blue-green algae abundance by virtue of aviation high-spectrum remote-sensing images is realized.

The invention relates to a method for filtering and separating suspended maters from water and a filtering device used in the method. According to the concrete technology, a filter screen of the filtering device is directly arranged in water flow in a water flow channel; the included angle a is formed between the filtering surface of the filter screen and the water flow direction of the surface of the filtering surface, wherein the included angle a can be an acute angle between 0 and 70 DEG or an obtuse angle between 110 DEG C and180 DEG; and the filter screen of the device and different water flow channels form different cross flow filtering systems. The method and device provided by the invention can be widely applied to lake blue-green algae, sewer liquid dung, sewage treatment plants and vegetable drug extraction.

The invention relates to a technology for co-composting of blue-green algae and polluted bottom sediment, and belongs to the technical field of environmental engineering. The technology comprises the following steps: at first, heavy metal in the polluted bottom sediment is removed by adopting a bioleaching technology, then blue-green algae and the polluted bottom sediment are mixed, the physicochemical property of the mixture of the blue-green algae and the bottom sediment is regulated to the condition needed by growth of aerobic fermentation microorganisms through adopting conditioners such as straws, rice husks, bran, spent mushroom composts, dregs of decoctions, wood chips and the like by means of the characteristics of high water content of the blue-green algae and C / N ratio imbalance and the like, a certain quantity of nitrogen conserving agents is added, and then a forced ventilation fermentation manner is adopted in a compost factory, the temperature of the compost is increased to be more than 60 DEG C within an extremely short time, the high-temperature fermentation period is kept for about 15 days, and the compost is transferred in a secondary fermentation zone till the compost is decomposed thoroughly after the high-temperature fermentation period is ended. The technology achieves the cleanness of the polluted bottom sediment and large-scale treatment of the quick composting of blue-green algae and the polluted bottom sediment, and combines the harmlessness and the reclamation of the algae and the polluted bottom sediment organically.

The invention discloses a water-scavenger multifunctional environmental-friendly ship equipment and a method thereof, relating to a water-scavenger multifunctional environmental-friendly ship. The invention breaks fake vacuoles of blue-green algae cells by pressure so that blue-green algae loses necessary buoyancy so as to fast remove water-level blue-green algae and absorb the blue-green algae in kieselguhr organisms to be subsided to a lake bottom and absorbs nitrogen, phosphorus and organics contained in a lake to be automatically subsided to the lake bottom by a kieselguhr high-efficiency flocculant, so the purposes of fast lake water cleaning, denitrification and dephosphorization are achieved. The water-scavenger multifunctional environmental-friendly ship equipment has simple and compact structure, stable operation and high efficiency of blue-green removing at prows and denitrification and dephosphorization at sterns; the blue-green algae on a processed water body surface is obviously reduced; a water quality detection result shows that the invention can be used as an emergency measure when the blue-green algae is spread in large area; and in addition, a town lake water body repairing technology applying kieselguhr is a cheapest and most effective and efficient technology which has the best effect, fastest repair and effectiveness.

The invention discloses a method for treating aquaculture wastewater. The method comprises the following steps of: performing modular processing on wastewater by using microalgae and beneficial bacteria; and throwing snails, filter-feeding fishes and other aquatic animals into a water body to realize self-purification of an aquaculture water environment after the modular processing. Dominant and beneficial microalgae such as diatom, green algae and the like capable of absorbing nitrogen and phosphor in the aquaculture water body are screened out, inoculated, rapidly cultured and put into the aquaculture water body; the water color is regulated and the alga concentration is controlled by the methods of rational fertilization and rotifer inoculation; the beneficial bacteria are bacillus and photosynthetic bacteria capable of degrading organic matters and ammonia nitrogen in the water body; the beneficial bacteria and feed are proportionally mixed before the feed is put into the water body; after the feed is put into the water body, an underwater biomembrane taking the feed as a matrix is formed; the nitrogen, the phosphor and other harmful pollutants in the aquaculture water body can be effectively removed by jointly using the microalgae and the beneficial bacteria; simultaneously, the utilization efficiency of the feed can be improved by mixing the beneficial bacteria and the feed; and the water body is processed by using the microalgae and the beneficial bacteria, and then the snails and the filter-feeding fishes are put into the water body to prevent excessive multiplication of phycomycete, so that the self-purification of the aquaculture water environment can be realized.

The invention discloses a floating seedling breeding method of erigeron breviscapus. The method comprises the following steps: setting up a seedling breeding greenhouse and a seedling breeding tank, wherein a seedling breeding floating disc is provided with 450 holes; preparing a seedling breeding matrix and a loading matrix; disinfecting, and seeding; managing temperature and humidity, and controlling the depth of water in the tank and the temperature of the seedling breeding greenhouse in various seedling breeding stages; preventing and eliminating moss and green alga, and preventing and controlling plant diseases and insect pests; and fertilizing and controlling illumination of the seedling breeding tank in various seedling breeding stages. Compared with the prior art, the use amount of each seedling breeding floating disc matrix is saved by 50%; the seedling forming amount is averagely increased by 120%; the seed use amount for field transplanting is averagely saved by 54%; the cost is greatly saved; the survival rate of transplanted seeds and seedlings is 98.38% averagely; the control efficiency is averagely above 93% to main serious diseases, such as root rot, stem rot and downy mildew, in the nursery stage of erigeron breviscapus.

The invention relates to a combined repairing technology system for various combined technologies of a regenerated water landscape riverway water body. The technology adopts the combined system which carries out optional regrouping on various ecological repair technologies of ecological embankment management, aeration reoxygenation, wetland water treatment, plant repair and aquatic animal repair. The content of CODcr (chemical oxygen demand), BOD5 (biochemical oxygen demand), N and P in the riverway water body repaired by the system is greatly lowered. Embankment grassing brick type ecological embankment is adopted. A plurality of plugflow aeration devices are adopted to re-oxygenate a water body on a bottom layer; an artificial wetland is planted with three plants of reed, calamus and canna; a plant community with better salt tolerance is adopted for phytoremediation; each plant community is configured with emergent aquatic plants, floating plants and submerged plants; parts of stream segments are configured with a small quantity of floating plants; and suspended matters in the water body can be effectively reduced by aquatic animal repair to remove green algae substances in the water body and increase water body transparency.

The invention belongs to technical field of environmental-friendly water treatment and relates to an MC-LR (microcystin-LR) degrading strain screened from bottom sediments of streamsides with high blue-green algae pollution in the Taihu Lake and a method for degrading microcystins by the same. Currently, the strain is preserved in the China general microbiological culture collection center (CGMCC) and has a preservation number of CGMCC NO.4498. By identification, the strain is bacillus (bacillussp.). The method for degrading the microcystins by the MC-LR degrading strain comprises the following steps of: inoculating the MC-LR degrading strain into an inorganic salt culture medium which uses the MC-LR as the only carbon source and nitrogen source and has a pH value of 5 to 9 according to an inoculation rate of 2 to 10 mass percent; and cultivating the MC-LR degrading strain for 48 hours in a shaking table at a temperature of 30 DEG C under a rotating speed of 100 to 180 r / min so as to degrade the MC-LR. The stain is screened from a water body of the Taihu Lake, is suitable for the natural environment of the Taihu watershed and has wide application prospect for removing the MC-LR in the water body of the Taihu watershed by a biological method.

The invention relates to the field of cosmetics and discloses a biological fiber facial mask. The biological fiber facial mask is prepared from a biological fiber facial mask, a pearlised film and essence, wherein the essence contains water, cellulose, xanthan gum, a green algae extractive and sodium hyaluronate. According to the biological fiber facial mask disclosed by the invention, as a novel invisible biological fiber facial mask is prepared by fully infiltrating multiple proper raw materials, the biological fiber facial mask and the pearlised film; compared with the traditional biological fiber facial mask products, the biological fiber facial mask is convenient to use and has better absorption effect, skin adhesion and moisture retention.

The invention relates to an enteromorpha absorbent and a preparation technology of the enteromorpha absorbent. The preparation technology comprises the following steps of: washing and drying enteromorpha, grinding in a grinder, sieving with a sieve with 40-100 meshes, mixing the obtained enteromorpha dry powder and 0.1-0.5mol / L of sodium chloride or calcium chloride solution according to a mass ratio of 1:150-200, stirring and extracting for 6-8h at the thermostatic waterbath of 25-30 DEG C; and drying filter cakes for 3-4h in a drying oven with the temperature of 60-70 DEG C after decompression suction filtration to obtain the enteromorpha absorbent. The enteromorpha absorbent provided by the invention is applied to adsorption treatment of heavy metal wastewater, and can be used for effectively removing heavy metal ions in the wastewater. The preparation technology is low in cost, simple in a production technology, wide in application range, and safe and non-toxic, and solves the problem of disaster green alga enteromorpha recycling.

A nutritional composition containing a plant food and a mineral food, where the plant food includes at least one of aloe, green algae, red algae, brown algae, blue-green algae, kelp, kombu, hijiki, nori, arame, sea palm, bladderwrack, wakame, dulse, carrageenan, fungi, and bacteria. The mineral food includes at least one of shilajit, humic acid, fulvic acid, bentonite clay, charcoal, diatomaceous earth, dolomite, fossilized remains, rocks, gems, sodium chloride, sea salt, and derivatives or combinations thereof. In one embodiment of the composition, the plant food is a juice of aloe vera and the mineral food is fulvic acid.

The invention belongs to the technical field of environmental protection, and particularly relates to a method and a device for stream guidance and enrichment of blue-green algae in a large water area. With the adoption of the method and the device for the stream guidance and the enrichment of the blue-green algae in the large water area, a certain area which is in shore, and in which the guiding wind is in the downwind direction in the large water area is selected as a blue-green algae stream guidance and enrichment area; a blue-green algae stream guidance and enrichment device is established by utilizing an arched soft algae blocking enclosure and a stream guiding door of which the two sides are in shore; large-scale blue-green algae from outside is guided and gathered to the two sides of the shore by utilizing the arched soft algae blocking enclosure; and the blue-green algae is guided into the enrichment area by utilizing timely opening and closing of the stream guidance door, or the enriched blue-green algae is prevented from blowing and escaping with wind; wind waves in the enrichment area can be reduced by the blue-green algae stream guidance enrichment device, so that the blue-green algae in the enrichment area can always float onto the water surface, and is conveniently to be absorbed and cleared continuously; and in addition, a blue-green algae stream guiding enrichment trap and an efficient algae absorbing area are constructed at one side close to the bottom shore in the blue-green algae stream guidance and enrichment area by utilizing vantage ground, so that the blue-green algae in the enrichment area is further enriched for second time to the area, and is conveniently efficiently absorbed and cleared.

A method for preventing skin-cellular aging by using a green algae extract and a cosmetic composition containing the green algae extract are disclosed. An effective dose of the green algae extract is used to inhibit the activity of Metalloproteinase (MMP) in the fibroblast and to promote of collagens and elastins production in the fibroblast. The green algae extract can be mixed with a skin permeable cosmetic composition so that the cosmetic composition performs the effect of preventing extrinsic skin aging.

The invention relates to a ferment organic base fertilizer for rice and a preparation method thereof. The preparation method comprises the following steps of (S1) crushing 30% of water hyacinth, 20% of spirulina spirogyra, 10% of garlic, and 20% of straw to be muddy, and drying chicken manure with microwave until the moisture content is 60 to 65%; (S2) adding raw material prepared in S1, brown sugar and fermentation microflora into a fermenting kettle to ferment for 5 to 7 days at a temperature of 45 to 55 DEG C, and collecting fermented liquid during fermenting; and (S3) fermenting and rotting the solid raw material in a solid fermenting kettle for 7 days at the temperature of 45 to 55 DEG C, so as to obtain the ferment organic base fertilizer for rice. According to the preparation method, water hyacinth and blue-green algae are economically utilized and treated to prepare the solid ferment organic base fertilizer for rice and liquid leaf fertilizer by the fermentation method; and the ferment organic base fertilizer can promote the tillering as well as full seed of rice, also show remarkable effects on inhibiting and controlling a plurality of pest and disease damage, and is suitable for being expanded and applied in a large scale.

The invention relates to a preparation method of lithium vanadium phosphate / carbon nanometer composite mesoporous microspheres as positive electrode material of a lithium ion battery. The preparation method comprises the following steps: preparing hungry green algae cell solution from inexpensive green algae cells; adding vanadium oxalate solution into the hungry green algae cell solution dropwise; adding phosphate source and lithium source to obtain gel; drying to obtain lithium vanadium phosphate precursor; grinding lithium vanadium phosphate precursor; heating at about 450 DEG C in the nitrogen atmosphere; and heating to about 750 DEG C and preserving the temperature to obtain black powdered Li3V2(PO4)3 / C nanometer composite mesoporous microspheres. The lithium vanadium phosphate / carbon nanometer composite mesoporous microspheres prepared by the invention can be used as the positive electrode material of the lithium ion battery, and can be used for preparing portable or power lithium ion battery.

Suckling-pig health-care feed promoting intake relates to the technical field of animal feed and is prepared from the following raw materials in parts by weight: 350 parts of puffed bean powder, 45 parts of rice flour, 20 parts of bran, 5 parts of shrimp shell, 3 parts of a premix, 25 parts of corn-flour germ bran, 15 parts of greenfeed, 1 part of sugarcane leaf, 20 parts of rice wine, 20 parts of sweet potato powder, 15 parts of green alga powder, 5 parts of dry ginger powder, 3 parts of honey-fried licorice root, 2 parts of black tea, 5 parts of kumquat, 2 parts of silkworm chrysalis powder, 5 parts of fish meal, 5 parts of grease and 8 parts of a traditional Chinese medicine additive. Compared with conventional feed, the compositions of the feed comprise the traditional Chinese medicine additive which cooperates with a feed carrier for playing a role, so that the feed helps to satisfy normal nutrition demands of suckling pigs, also gives play to fortify stomach and promote digestion, helps to increase the intake of pigs, avoid appearance of gastric ulcer of pigs and improve immunity of suckling pigs, and also is capable of promoting growth of suckling pigs; and the feed is free of toxic and side effects, does not generate drug resistance, does not pollute environment, helps to increase body immunity, and is fast in effectiveness and low in price.

The ecological water plankton regulating agent consists of gypsum powder 30-40 wt%, attapulgite powder 20-40 wt% and sodium humate 30-40 wt%. The method of utilizing the ecological water plankton regulating agent in controlling excessive propagation of blue-green algae in water is to dilute the ecological water plankton regulating agent with 10-20 times water to obtain suspension and spreading the suspension to the water, with the applied amount of the ecological water plankton regulating agent being 3-10 g / cu m. The said regulating agent and method can control the excessive propagation of blue-green algae, ensure the algae diversity, raise the transparency of water and lower the content of microcystin in water.