1345results about How to "Guaranteed healthy growth" patented technology

The invention relates to a system for intelligently monitoring and controlling crop pests and diseases. The system is characterized by comprising a monitoring computer and a pesticide spraying device which is arranged in a crop growing place, wherein the monitoring computer drives the pesticide spraying device which is connected with the monitoring computer; a time controller and a pesticide spraying selective driving module are arranged in the monitoring computer; and the time controller controls and starts a corresponding spray head of the pesticide spraying device through the pesticide spraying selective driving module. The system has the following advantages that: 1, intelligentization is realized, the degree of automation is high, the control modes are diversified, the control is performed in time, and the using effect is good; 2, the solar energy is used as a power supply of monitoring equipment, so that the energy-saving effect is good; 3, the monitoring equipment not only can automatically control the water supply or the pesticide spraying of cultivated crops, but also has a multi-aspect management and control ability of controlling pests and diseases of the crops in different areas of the same place; and 4, the health condition of the crops is monitored in real time by using a monitoring probe, so that the crop pests and diseases are pre-warned in time and are controlled appropriately. Therefore, the system is not only favorable for ensuring the growth of the crops and the production bumper harvest of agriculture, forestry and tea industry, but also can greatly reduce medicament waste and pesticide pollution.

The invention discloses a non-destructive detection device and method of internal information of crops based on the spectrum technology. The method comprises the following steps: a knowledge database is established and the knowledge database related to all crop samples is established for a crop needing to be measured; image data and spectrum data of a crop canopy are acquired into a computer; the acquired image data is preprocessed by the computer and an image feature same as a training sample is extracted; the computer carries out waveband feature extraction same as the training sample on the acquired spectrum data; the computer carries out fusion on the extracted image feature, the waveband feature and the knowledge database, detection test is carried out by utilizing a test sample, the nitrogen and water contents of the current tested crop sample are given, and a detection result is displayed by the computer. According to the invention, which growth period the crop is in and what the nitrogen content is can be judged automatically by the spectrum information, and more convenience in use is brought to a user.

The invention discloses a straw biological feed leavening agent which comprises compound enzyme, probiotics and a special additive. The special additive can promote the activity of the enzyme and rapid propagation of the probiotics, so that the problem of sugar feedback inhibition in a straw degrading process is well solved; the nutrition of straws can be converted into bacteria active proteins and glucose type high-nutrition substances to the maximum extent. On the basis of the straw biological feed leavening agent, the invention provides a biological feed which is short in leavening time, large in raw material supply range and low in cost and a production method for the biological feed.

The invention relates to an automatic soil loosening flowerpot. As people are busy to forget loosening soil at a certain time interval sometimes, plants grow with ill health and even die. Therefore, the automatic soil loosening flowerpot comprises a flowerpot main body, wherein an interlayer is arranged on the lower part of the flowerpot main body which is provided with a stirring device. The stirring device comprises a stirrer arranged in a cultivated soil layer as well as a stirring shaft system and a transmission device arranged below the interlayer. No stirrers are arranged in the middle of the cultivated soil layer. The transmission device is a stepping motor. The stirring shaft system comprises a stepping motor shaft connected with the stepping motor. The stepping motor shaft is provided with a plurality of driving wheels. Each driving wheel is connected with a main rod. Each main rod is connected with a plurality of bent levers, and each bent lever is connected with the stirrer. The flowerpot main body is provided with a slot at the upper end. The automatic soil loosening flowerpot provided by the invention can realize the function of automatically loosening soil for the flowerpot at regular times, and has a smaller destructive effect to roots of plants. In addition, fertilizers can be conveniently taken during fertilization application, so that the time is saved.

The invention provides an irrigation area field water-saving intelligent irrigation system, comprising: a server; a weather station connected to the server through a communication network and used to transmit irrigation area weather information to the server; irrigation data collection control terminals arranged in irrigation areas and communicated with the server through the communication network; a sprinkling irrigator; a water pump provided with a water pump electromagnetic valve arranged on the water pump to control start or stop of the water pump. The irrigation area field water-saving intelligent irrigation system can provide real-time automatic detection for the soil state of an irrigation area, proper irrigation is carried out according to the current soil state, automated intelligent irrigation is provided according to circumstances, and water is saved; labor is saved, irrigation quality is ensured, and the healthy growth of vegetation in the irrigation areas is ensured.

The invention relates to the technical field of plant cultivation and discloses a plant cultivation container with a monitoring device. The plant cultivation container comprises a container and the monitoring device. The monitoring device is arranged on the container and comprises a single board computer, a power supply, a sensor, a display device, a control device, an alarm device and an external connection port; and the monitoring device is electrically connected with the single board computer, the power supply, the sensor, the display device, the control device, the alarm device and the external connection port. The sensor is adopted to monitor the temperature, humidity, acidity-basicity, soil degree of dryness, and nutrient of plants in real time, thus realizing remote refined cultivation, saving water and fertilizers and guaranteeing the healthy growth of plants. The plant cultivation vessel is beneficial to conserving soil and saving resources.

The invention discloses porket creep feed and a production method thereof. The feed comprises the following components in percentage by weight: 30.0 expanded corns, 30.0 high-quality corns, 12.0 high-protein soybean meal, 4.5 whole milk powder, 4.0 fermentative soybean meal, 3.0 expanded soybeans, 3.0 Chilean white fish meal, 3.0 plasma protein powder, 3.0 acidifying agents, 2.0 sugar, 1.2 stone powder, 1.0 calcium dihydrogen phosphate, 1.0 grade-IV soyabean oil, 0.12 methionine, 0.4 lysine, 0.10 threonine, 0.18 salt, 1.0 porket additives and 0.5 medicament additives. The production method comprises the following steps: crushing the high-quality corns, the high-protein soybean meal and the Chilean white fish meal at one time, granulating at a high temperature and cooling; carrying out secondary crushing after the granulated and cooled high-quality corns, the high-protein soybean meal and the Chilean white fish meal are mixed with the expanded corns and the expanded soybeans; carrying out tertiary mixing with other components of the feed according to the weight percentage and granulating at a low temperature; and packaging and warehousing. The invention optimizes the quality of the porket creep feed, improves the stability and the palatability of the feed, strengthens the digestion and absorption and the availability of nutrition, promotes the health growth of porkets and effectively controls diarrhea, growth retardation, and the like.

The invention discloses a method for desert forestation. The method comprises the following steps including 1, water source preparation, namely a plurality of wells are drilled in the desert forestlands; 2, seedling preparation, namely for Salix psammophila cuttings, the branches of 1.2 to 1.5 m in length and more than 0.8 cm in diameter are selected, the gathered seeding blanches are soaked in water to absorb water, and for poplar or hankow willow cuttings, the seedlings of 3.5 m in height and more than 3 cm in diameter at breast height are selected and soaked in water prior to planting to absorb water; 3, water flush forestation planting, namely water in the wells is pumped out through a centrifugal water pump, so that the sandy soil around the seedlings is flushed into gaps through water to fill and seal the gaps, and the seedlings are watered fully. The desert forestation procedures can be finished within 30 to 50 seconds by utilizing the method provided by the invention, the forestation survival rate achieves 90%, and the three-year conservation rate reaches more than 80%.

The invention relates to green pollution-free premix for pigs. Based on the survey on content of nutrient elements, such as vitamins, trace elements and amino acids and material sources of pig premix products at home and abroad, a large number of tests are performed to find out a reasonable blending ratio of vitamins, to trace elements to amino acids to the like, organically chelating trace elements are used to replace traditional inorganic trace elements, additives such as a microbial ecological agent, natural plant extracts and the like are added and finally the pig premix which is free of hormones, antibiotics, pollutions and residuals is prepared. When pigs are fed by the premix, live pigs grow soundly, daily gain is improved, a feeding cycle is shortened, meat flavor is improved, environmental pollution is reduced, and other effects are also achieved.

The invention provides a method for grafting carya illinoensis, the grafting temperature and humidity as well as stock and scion seedling cultivation before the grafting are strictly controlled, and the method is realized through the following steps of: building a potting cutting orchard, cultivating the stock and automatic temperature control and humidity control grafting; and because the control of the key carya illinoensis grafting links is reinforced, temperature difference between day and night is eliminated, the scion and the stock cut are prevented from expansion with heat and contraction with cold due to the temperature difference, enough water is ensured, the grafting failure due to the water loss of a scion bud is avoided, the grafting survival rate of the carya illinoensis can reach above 85%, and a better horticulture foundation is laid for successfully marketing the carya illinoensis.

The invention discloses a green livestock cultivation system. The green livestock cultivation system comprises a cultivation shed, a temperature adjusting unit and a control unit, wherein biological litter in the cultivation shed contains traditional Chinese medicine composition capable of relieving itching and sterilizing; the temperature adjusting unit comprises a V-shaped water tank, a water discharge component and a water return chamber, the water return chamber is formed below a cultivation chamber and includes a first water return chamber and a second water return chamber, the second water return chamber is located below the first water return chamber and communicated with the same, the first water return chamber receives water from a plurality of water leakage holes and forms a flowing water cooling face below the cultivation chamber, and the second water return chamber is communicated to a water storage chamber. The green livestock cultivation system is healthy, environmental friendly, zero in emission, good in stability and high in practicality. The invention further provides a cultivation method which is ecological and environmental friendly in cultivation mode, easy to implement and good in environment factor controllability.

The invention discloses a high-yield cultivation method for plums. The method includes the steps of 1. selection and preparation of land, wherein deep, loose and fertile soil with good drainage is selected; 2. seedling selection, wherein high-quality saplings of pure varieties, having strong roots and full sprouts and being free of pest and disease damage, are selected; 3. plantation, wherein the saplings are planted in planting pits, and then watered and covered with soil, and 100-120 saplings are planted per mu; 4. nutrient and water management, wherein young trees of 1-2 years are fertilized once a month from sprouting to seven months, base fertilizer is applied once from nine months to ten months, and full-grown trees of over three years are fertilized three times a year; 5. pruning, wherein the natural open centre shape is adopted for pruning in the pruning modes of extending pruning and shoot thinning; 6. field management, wherein pit enlarging, deep tillage, and turning over of green manure are conducted every autumn, and root distribution is improved in a deepened mode. The high-yield cultivation method is more suitable for plum growth, lays a solid foundation for later growth of plums, and increases yield. Plums are good in quality and wonderful in taste, and economic benefit is improved.

The invention provides planting equipment and a management method, device and system thereof and a server. The management method of the planting equipment is used for the planting equipment and comprises the following steps of obtaining a target growth management model of a plant in the planting equipment, wherein the target growth management model comprises target environmental parameters of the plant in multiple growth stages and duration of each of the multiple growth stages; and controlling the growth environment of the plant in multiple growth stages according to the target growth management model. Through the technical scheme of the invention, the growth environment of the plant in the plant equipment can be scientifically and reasonably adjusted, the health growth of the plant is guaranteed, and the user experience is improved.

The invention discloses a large sweet osmanthus high survival rate transplanting technology, and belongs to garden plantation technology field. The technology comprises the steps of (1) selecting the sweet osmanthus to be transplanted; (2) processing before transplanting; (3) digging the sprouts; (4) processing the sprouts root; (5) digging the plantation apertures; (6) hoisting and transporting; (7) colonization and (8) maintenance. In the sprouts root processing process, three-level nursing mode, namely rooting powder, wound paints and composite conditioning liquid are adopted to protect the root and promote root germination; when digging the plantation apertures, the fertilizer needed in the growth process of the sweet osmanthus is guaranteed by applying the fertilizer at the bottom in intervals; at the same time, the plantation apertures are taken good care of to guarantee the growth adaptability of the sweet osmanthus. According to the transplanting technology, the sweet osmanthus transplanting survival rate is high; the growth and recovery are fast; the germination is early; the root growth is fast and the growth is vigorous.

The dendrobe cultivating method is to fix live dendrobe on plant of live tree stem and bamboo or stump with bark, irrigate, apply nutritious liquid and provide shady and cool environment for dendrobe to grow. The said method provides moist growth environment, reduce disease and ensure healthy growth of dendrobe. In addition, the present invention can utilize space fully to lower the dendrobe cultivating cost.

The invention relates to the field of feeds, and in particular relates to a composite mildew preventive for an animal feed and an application of the composite mildew preventive. The composite mildew preventive comprises the following at least three components in parts by weight: 0.5-1 part of chitosan, 1-2 parts of allicin, 0.5-1 part of mannan oligosaccharide and 0.5-1.5 parts of an eucommia leaf extract. The composite mildew preventive is safe, non-irritant, wide in application range, good in mildew prevention effect and convenient to use, and has multiple effects of preventing mildew, adsorbing mycotoxin and promoting the animal fertility; after the composite mildew preventive is used for a long time, the storage life of the feed can be prolonged, the quality of the feed is improved, the healthy growth of animals can be guaranteed, the economic benefits of cultivation are improved, and the application prospect is quite wide.

The invention relates to a method, a device and a terminal for warning abnormity according to motion at different places. The method comprises the following steps: positioning places where a child is positioned through a GPS (Global Positioning System); acquiring the stay time and motion information of the child at each place, and drawing a motion track route of the child; and comparing the acquired motion track route of the child and the stay time and motion information at each place on the motion track route with pre-stored corresponding information to judge whether the behaviors of the child are abnormal or not. Through adding of the classification of positioning positions, places corresponding to different positions of the child can be positioned, and the motion situations of the child are classified and counted. The behavior abnormity of the child is analyzed through comparison of pre-stored corresponding data. If the motion behaviors of the child within a specific time interval at the same position are remarkably abnormal, feedback can be given to parents according to specific situations, so that the parents can confirm to give guidance to the child in time, and the child is helped to grow in a healthy and more scientific manner.

The invention provides a cultivation monitoring method for a planting crop based on a block chain. The method comprises the steps of obtaining corresponding historical cultivation data by reading identification information of a designated planting crop, generating prediction data of a current block according to the historical cultivation data and receiving current actual cultivation data to generate new cultivation data, obtaining a latest cultivation data of the planting crop corresponding to the identification information according to the identification information and calculating a hash value of the data, and creating a current block and storing the current block into the block chain with the identification information, the new cultivation data and the hash value as source data. According to the method, the monitoring of the growth environment of an individual planting crop is realized by using the block chain technology, the problem of repeated drug spraying and fertilization during the growth process of the crop is solved, the accuracy of a record is guaranteed through the block chain technology and the record can not be tampered, so the security of data and the work efficiency are improved, and thus the healthy growth of the crop is ensured.

The invention discloses an aid-containing trace element foliar fertilizer and a preparation method thereof. Each 100 kilograms of trace element foliar fertilizer comprises the following substances: 6 to 12 kilograms of copper sulfate, 3 to 8 kilograms of ferrous sulfate, 12 to 17 kilograms of zinc sulfate, 7 to 11 kilograms of manganese sulfate, 1.0 to 2.5 kilograms of boric acid, 2.0 to 5.0 kilograms of ethylene diamine tetraacetic acid (EDTA) disodium, 1.0 to 5.0 kilograms of citric acid, 5.0 to 10.0 kilograms of alkyl glucoside and the balance of water. Application results indicate that the trace element foliar fertilizer, after being sprayed onto the surfaces of laminae, can be better spread on the laminae to plat the nutritional effect fully; and due to the addition of an aid, the absorption of the laminae on four elements of Fe, Mn, Cu and Zn is improved, and the growth vigor and biomass of crops are increased obviously.

The invention relates to a comprehensively intelligent irrigation method and system for the artificial vegetation ground. The comprehensively intelligent irrigation method and system are used for solving the problems that water is wasted, and irrigation quality cannot be guaranteed in the prior art. The comprehensively intelligent irrigation system comprises a plurality of paralleled irrigation terminals of an automatic irrigation network installed on the artificial vegetation ground, one or more soil moisture content probes are buried in irrigation area soil covered by each irrigation terminals of the automatic irrigation network, and an automatic switching mechanism is independently arranged on each irrigation terminal. The soil moisture content probes are connected and control the automatic switching mechanisms which the soil moisture content probes belong to and are connected and control the irrigation terminals through a central intelligent control system. The central intelligent control system determines the lower limit of the soil moisture content in the corresponding irrigation area according to types of vegetation or the types of vegetation and types of soil in each irrigation area. The central intelligent control system switches on the irrigation terminals in the corresponding irrigation area to carry out irrigation when the soil moisture content probes detect that the soil moisture content in the corresponding irrigation is lower than the lower limit of the moisture content. The comprehensively intelligent irrigation method and system have the advantages that automatic irrigation and fertilizer application as required can be achieved according to actual needs of the soil and the vegetation in the irrigation areas, water is saved obviously, labor is saved, irrigation quality is guaranteed, and healthy growth of the vegetation in the irrigation areas can be guaranteed.

The present invention discloses a special feed containing Chinese herbal medicine for sows in the lactation period. The special feed comprises the following raw materials: corn, soybean meal, peanut meal, wheat flour, citric acid residues, shrimp meal, bone meal, calcium hydrogen phosphate, methionine, threonine, lysine, edible salt, molasses, choline chloride, spirulina powder, compound trace elements, compound vitamins, traditional Chinese medicine additives, plant essential oils, bacillus preparations, and fumaric acids. The Chinese medicine additives include the following raw materials: radix puerariae, medicated leaven, sugar cane extract, radix codonopsis, vaccaria segetalis seeds, ganoderma lucidum, black beans, semen zizyphi jujubae, radix scutellariae, dandelions, wild chrysanthemums and licorice. The special feed containing Chinese herbal medicine for sows in the lactation period is reasonable in formula, and comprehensive in nutrition, and can meet the nutritional needs of sows in the lactation period, improve milk production of sows, improve quality of dairy products, and improve the survival rate of piglets when used to feed the piglets.

The invention relates to extruded and expanded feed and a preparation method thereof, in particular to expanded feed for preventing herring fatty liver and a preparation method thereof. The extruded and expanded feed comprises the following components in percentage by weight: 15-20 percent of direct-fired fish meal, 20-30 percent of extruded soybean, 10-17 percent of rapeseed meal, 8-16 percent of blood meal, 0.5-1.5 percent of fish oil, 15-25 percent of strong flour, 8-12 percent of meat and bone meal, 0.5-1.5 percent of vitamin premix, 0.5-1.5 percent of mineral salt premix, 1-2 percent of calcium biphosphate, 0.3-0.5 percent of choline chloride, 0.1-0.5 percent of lycine, 0.1-0.5 percent of turmeric, 0.1-0.5 percent of sphorae favescentis, 0.1-1 percent of creat and 0.1-0.5 percent of liquorice. The invention not only can meet the growth demand of herring, but also can prevent the fatty liver caused by feeding the feed in the cultivation process.

The invention discloses a method for improving tree seedling survival rate, which comprises the steps of: 1) excavating planting holes: excavating the planting holes according to the size of tree seedling soil balls, laying pebbles at the bottoms of the planting holes, laying geotextiles, laying coarse sand and filling yellow soil in the planting holes; 2) planting tree seedlings; 3) supporting and binding the tree seedlings; 4) irrigating the tree seedlings: spray freshwater to the branches and the trunks of the tree seedlings before a.m. 10 o'clock of every day, spraying mixed solution of urea, potassium dihydrogen phosphate and water to the branches and the trunks of the tree seedlings after p.m. 5 o'clock of every day, continuously irrigating for 1-2 months and finally conducting normal irrigation to the tree seedlings. The method for improving tree seedling survival rate has the advantages that the resuming growth time of the tree seedlings can be shortened, not only can the situations that roots cannot grow because water cannot seep into the tree seedlings and the tree seedlings are dead because the supply and the demand are unbalanced be avoided, but also the water and the temperature at the roots of the tree seedlings can be preserved, the tree seedlings can root rapidly, the supply and the demand are balanced, the survival rate of the tree seedlings is improved, the death rate of the tree seedlings is reduced, the cost is decreased and a feasible method is provided for the planting of garden tree seedlings.

The invention discloses a method for regenerating and planting medicinal anoectochilus roxburghii with the stem removed but the root left, which has the key point of regeneration with the root left and stem removed. First, strong tissue culture seedling are elected and then transmitted to be planted in a mixed substrate consisting of soil, coarse sand and wood dust after plantlet hardening and watered with a mixed liquid of root agent and carbendazim wettable powder. Field management, fertilization and disease preventing and treating are required to be respected during the growth period of the anoectochilus roxburghii. By applying the method of regeneration with the stem removed and the stem left, the anoectochilus roxburghii stems on the ground are harvested but a stem node at each stem is left before the bolting and blossom of the anoectochilus roxburghii. After harvesting, the remained plant is sprayed with a mixed liquid of 6-benzyl aminopurine and carbendazim wettable powder. The method aims at solving the problem of narrow availability of the anoectochilus roxburghii seedling and easily sprouting of the stem node thereof and adopts the production method of regeneration with the stem removed and the stem left, thereby improving the seedling use ratio, guaranteeing the product supply and realizing continuous production. Meanwhile, the complete retaining of the root system creates the good condition for the quick growth of new sprouts and therefore, the regeneration method of the invention has comparatively high production efficiency and good economic benefit.

The invention relates to a culturing method capable of improving egg hatching rate and chick immunity. The culturing method comprises steps of (A) selecting seeds and preparing seeds, (B) collecting and sieving hatching eggs and make preparation before hatching, (C) hatching eggs under light condition, (D) breeding chicks in a greenhouse under light condition, (E) managing young chick without heat supply under the light condition, and (F) breeding children with a method of combining stocking and supplementary feeding in a natural forest land. Compared with the prior art, the culturing method is simple and convenient to operate, requires less investment and has obvious economic effects; fertility rate, oviposition quality and quality of to-be-hatched eggs can be improved during chick culturing, so hatching rate and young chick survival rate can be improved; young chick growth and development can be promoted, immunity of chicks can be improved and chick culturing survival rate can be guaranteed; free range chicks with tender meat quality, fresh taste and high nutrient value as well as meeting green food standards can be achieved; and the chicken and eggs produced by the culturing method are advantaged by high protein, high vitamin, low cholesterol and low fat.

The invention discloses suckling pig creep feed which comprises the following components in percentage by weight: 40.5 to 54.5 percent of swelled corn, 4 to 8 percent of swelled bean pulp, 6 to 11 percent of swelled soy, 4 to 7 percent of fish meal, 4 to 8 percent of plasma proteins, 2.5 to 4 percent of plant oil, 4 to 8 percent of fermented soy, 8 to 12 percent of whey powder, 2 to 3 percent of goldbeater skin protein and 4 to 5.5 percent of a pre-mixed material, wherein the pre-mixed material consists of an additive and a pre-mixing agent; the additive comprises the following components in percentage by weight: 0.1 to 0.2 percent of choline, 0.1 to 0.2 percent of an acidifying agent, 0.5 to 1 percent of sugar powder, 0.1 to 0.15 percent of protease, 0.8 to 1 percent of a mineral additive, 0.15 to 0.2 percent of diaminocaproic acid, 0.1 to 0.2 percent of methionine, 0.25 to 0.35 percent of soda acid, 0.1 to 0.15 percent of vitamin and 0.1 to 0.15 percent of an assistant production agent; and the pre-mixing agent comprises the following components in percentage by weight: 0.5 to 1 percent of rock flour, 1 to 1.5 percent of calcium hydrophosphate and 0.2 to 0.3 percent of salt. According to the suckling pig creep feed, the cost of the feed can be reduced; the immunity of suckling pigs can be improved; and the appetite of the suckling pigs can be promoted.

The invention relates to a mullet and crucian carp mixed culture puffed feed and a preparation method thereof, and belongs to the technical field of aquatic feeds. The mullet and crucian carp mixed culture puffed feed is prepared by the steps of crushing fish meal, soya bean meal, rapeseed meal, peanut meal, DDGS (Distillers Dried Grains with Soluble), peas, bean curd residues, cottonseed meal, wheat, cassava, corns and rice bran, and then agitating and uniformly mixing with soya-bean oil, monocalcium phosphate, an anthraquinone extract, glycine betaine, allicin, table salt and a fish premix to obtain a mixture; agitating, uniformly mixing and crushing the mixture by an ultrafine grinder to obtain a mixed material; transferring the mixed material into a regulating device and introducing vapor for regulating; after the regulation, conveying the mixed material into an extruding and puffing granulation machine to prepare pellet feeds; drying the puffed pellet feeds, cooling and packaging. The puffed feed has balanced and abundant nutrition and the nutritional requirements of mullets and crucian carps can be met at the same time; the puffed feed is used for the mixed culture of the mullets and the crucian carps and has the good stability in water; the puffed feed floats on the water surface and the ingestion efficiency is improved; the food coefficient is reduced and the cultivation cost is reduced; the pollution to a water environment is reduced.

The invention provides a compound feed for shellfish, comprises the follows components of: 30 to 70% of protein feed, 30 to 50% of energy feed, 0.1 to 9% of minerals, 0.001 to 0.01% of vitamin, 2 to 10% of complex bacillus preparation and homogeneous powder with the content of crude protein higher than 15%. The quality is stable even if the compound feed is stored at a dry and shade place, the operation of use methods is simple and convenient, and produced activity feed is rich in nutrition and can be quickly absorbed by the shellfish to promote the growth of the mollusks. Meanwhile, the invention can promote the growth of single-cell algae, provide rich feed for the mollusks, and reduce the pollution of the feed to the environment.