1006results about How to "Promote rapid growth" patented technology

A preparation method of a ferment Chinese Traditional Herbs for feeding belongs to the production field of the feed additives. The technical proposal provided by the present invention is that one or various intestinal probiotics is inoculated on a cultivation matrix containing extracts of Chinese Traditional Herbs, and undergoes ferment cultivation in a proper condition. The probiotics include Lactobacillus acidophilus, Bacillus subtilis, and candida utilis, etc, and the selected Chinese Traditional Herbs include astragalus, atractlylis lancea formalyrata, codonopsis pilosula, pericarpium citri reticulatae, and atractylis atractylis ovata, etc. The ferment Chinese Traditional Herbs for feeding provided by the present invention used to breed the livestock and the poultry is capable of preventing and treating epidemic diseases and improving the growth of the animal. The biological ferment of the water extract of Chinese Traditional Herbs by the probiotics is utilized to produce the elements with higher activities, thereby improving the absorption, transportation, metabolism, activation and medical efficacy of the Chinese Traditional Herbs in human body.

The invention discloses a biological pesticidal organic fertilizer and a preparation method thereof. The biological pesticidal organic fertilizer is prepared from the following raw materials in parts by weight: 40-50 parts of pig manure, 20-30 parts of tea seed pulp, 10-15 parts of coffee grounds, 8-12 parts of paulownia sawdust, 5-10 parts of phosphogypsum, 4-8 parts of corn cob, 5-10 parts of pepper seed cake, 10-15 parts of mushroom dreg, 8-12 parts of wheat bran, 15-20 parts of bentonite, 10-15 parts of opoka, 2-3 parts of ferrous sulfate, 1-2 parts of manganese sulfate, 3-5 parts of humic acid, 1-2 parts of chinese tallow tree root and bark, 2-3 parts of sophora alopecuroides, 1-2 parts of stemona, 1-3 parts of Artemisia annua, 1.5-2.5 parts of ailanthus leaf, 2-3 parts of derris and 1-2 parts of Radix Euphorbiae Ebractealatae. The organic fertilizer disclosed by the invention has multiple effects of providing nutrients, improving the soil structure, preventing and treating pests and diseases and the like, can promote the crops to quickly grow, enhances the stress tolerance of the crops, can have favorable preventing and treating effects on nematodes and soil insects, reduces or avoids use of chemical pesticides, enhances the soil fertility, regulates the ecological equilibrium of soil, improves the quality of agricultural products, has no chemical residues, and implements yield increase and income increase of agricultural products.

A sterility test method includes: selecting strain and culture medium, preparing bacterial cultures, transcribing fingerprint characteristics in thermograms as indices to verify the characteristics, drawing the thermodynamic parameters of the thermogram, determining the positive judgment index and performing sterility test for the samples. A fully-enclosed bacteria collecting ampoule incubator includes bacteria collecting ampoule system, sample and liquid feeding system and peristalsis liquid discharge system. The sample and liquid feeding system is connected with the bacteria collecting ampoule system by the liquid intake tube; and the bacteria collecting ampoule system is connected with the peristalsis liquid discharge system by the liquid drainage tube. The invention is characterized by short inspection time, high sensitivity, high automation and accurate test results on microbial contamination. It can also provide the overall process curve on the growth conditions. Such curve is provided with relatively favorable fingerprint, which enables qualitative analysis on the microbial contamination conditions.

The invention relates to a method for fermentation production of a poultry bacterial agent by multi-bacteria miscible liquid, wherein aerobic bacteria, namely Bacillus subtilis, Bacillus licheniformis, bacillus natto, beer yeast, Aspergillus niger and Aspergillus oryzae are cultured in a shaking table according to different culture mediums, so as to culture a mother seed solution; simultaneously Lactobacillus acidophilus, bifidobacteria and enterococcus faecalis are subjected to anaerobic culture by utilization of Kille flasks, and a mother bacterial solution of photosynthetic bacteria is cultured by a Kille flask under the condition of illumination; the prior stock solution is inoculated into a seed tank for anaerobic culture and fermentation according to 4 percent of the inoculum concentration, and the fermentation time is between 48 and 60 hours; and the cultured seed liquid is inoculated into a productive tank for anaerobic culture and fermentation according to 10 percent of the inoculum concentration, the fermentation time is between 60 and 72 hours, and the fermentation end point is reached when the pH value is reduced to 4.0. The method has the advantages that the microscopic examination viable count of the bacterial agent is more than 5 billion per milliliter, so that the bacterial agent is safe and nontoxic, thereby not only improving the disease resistance of poultry but also promoting the quick growth of the poultry, reducing the feed-meat ratio and improving the quality of meat, eggs and milk.

The present invention provides an apparatus and method of cultivating a plant using a subirrigating method. The apparatus includes a culture medium cell constructed in such a manner that artificial culture medium is packed in a packing material having excellent ventilation and moisture absorptivity to be shaped in a predetermined form, a planting pot which contains the culture medium cell and has holes through which a sufficient amount of nutritive solution and air pass, a cooling / heating device set in the lower portion of the culture medium cell to cool or heat the root of the plant, and a nutritive solution supplying device for automatically supplying the nutritive solution to a plant planted in the culture medium cell placed a distance from one or more nutritive solution containers, thereby supplying the nutritive solution and air to the root of the plant continuously to maintain the optimum growth environment, forcing the plant growth.

The invention relates to pig concentrated feed which does not contain antibiotic and hormone. The pig concentrated feed is mainly prepared from the following materials: protein materials, calcium hydrogen phosphate, calcium carbonate, iodinated salt, amino acid, zinc sulfate, sodium selenite, magnesium sulfate and the like. As the pig concentrated feed does not contain the materials such as the antibiotic, the hormone and the like and is added with a proper amount of microelements, the pig concentrated feed can supplement nutrient components of conventional feed, prevent feed quality degradation, improve palatability of the feed, improve the feed utilization rate for pigs, improve disease resistance of the pigs, prompt normal development and quick growth of the pigs, and improve the growth quality of the pigs; and after the pig concentrated feed which serves as an additive is prepared into complete feed, residue of mineral elements in pork and livers of the pigs (the component content is controlled to be within the safety value during the fattening period) is reduced, edible safety of pork products is ensured, the feed cost is lowered, and the environmental pollution of swine waste is reduced on the premise of not influencing growth performance of the pigs.

A microelectronic programmable structure suitable for storing information and array including the structure and methods of forming and programming the structure are disclosed. The programmable structure generally includes an ion conductor and a plurality of electrodes. Electrical properties of the structure may be altered by applying energy to the structure, and thus information may be stored using the structure.

The invention relates to a compound aquatic product feeding promoting agent used in feed for fish, shrimp and crabs, and belongs to a feed additive. The feeding promoting agent is characterized in that: the feeding promoting agent comprises the following compositions: 25 to 35 portions of dimethyl-beta-propionic acid thetine, 15 to 25 portions of taurine, 15 to 25 portions of alanine, 5 to 15 portions of glycin, 5 to 15 portions of glutamic acid and 5 to 15 portions of nucleotide; and the taurine, the alanine, the glycin, the glutamic acid and the nucleotide are crushed, sieved by a 40-mesh sieve, put into a mixer and added with the dimethyl-beta-propionic acid thetine for even mixing to prepare the compound aquatic product feeding promoting agent. The compound aquatic product feeding promoting agent can improve the food intake of aquatic animals, promote quick growth of the aquatic animals, improve the bait efficiency of the aquatic animals, reduce residual bait to a large extent, greatly reduce pollution to water body and contribute to environmental protection.

A microelectronic programmable structure suitable for storing information, and array including the structure and methods of forming and programming the structure are disclosed. The programmable structure generally includes an ion conductor and a plurality of electrodes. Electrical properties of the structure may be altered by applying energy to the structure, and thus information may be stored using the structure.

The invention discloses a method for producing microalgal oil by using flue gas, wherein the method includes the steps: (1) adding a microalgae culture medium and a scenedesmus obliquus FSH-Y2 seed liquid into a photobioreactor, regulating the pH of the culture system to 10-12, introducing flue gas with the CO2 volume content of 1 v%-5 v%, and culturing for 2-5 days; and (2) regulating the pH value of the culture system to 8-10, inoculating with monoraphidium sp. SS-B1 and ankistrodesmus sp. SS-B7 seed liquids, carrying out mixed culture, introducing flue gas with the CO2 volume content of 5 v%-45 v%, culturing to a stable stage under continuous illumination, and harvesting microalgae cells, wherein the scenedesmus obliquus FSH-Y2, the monoraphidium sp. SS-B1 and the ankistrodesmus sp. SS-B7 are respectively preserved in China General Microbiological Culture Collection Center on September 11, 2012 and on April 15, 2013 respectively and have the preservation numbers of CGMCC No.6551, CGMCC No.7479 and CGMCC No.7478 respectively. The method improves the tolerance and the solubility of the microalgae culture system on high-concentration CO2, improves the carbon sequestration efficiency, obviously increases the yield of the microalgal oil, and can realize purification of the flue gas.

The invention relates to a fish and shrimp compound feed, in particular to a tilapia and litopenaeus vannamei polyculture compound feed, and belongs to the fields of compound feeds and processing thereof. The fish and shrimp polyculture compound feed is prepared from the following raw materials in percentage by mass: 7 to 12 percent of directly heated fish meal, 15 to 30 percent of soybean meal, 15 to 30 percent of rapeseed meal, 1 to 2 percent of liquid phospholipid, 5 to 15 percent of wheat short, 15 to 30 percent of corn, 8 to 20 percent of strong flour, 0.5 to 1 percent of calcium dihydrogen phosphate, 0.05 to 0.1 percent of compound vitamin, 0.5 to 1 percent of compound mineral, 0.02 to 0.3 percent of immune potentiator and 0.5 to 1 percent of fish oil. The fish and shrimp polyculture compound feed has the advantages of low feed coefficient, promotion of the fast growth of the tilapia and the litopenaeus vannamei, difficulty in polluting culture water quality, low cost and the like.

The invention discloses a compound type biological active peptide product for livestock and poultry, which is formed by mixing the following components in percent by mass: 1%-7% of functional active peptide, 10%-40% of probiotics, 5%-20% of prebiotics, and the balance of auxiliary materials, wherein the functional peptide is one or a combination of several of collagen peptide, glutathione, muramyl dipeptide, soybean protein peptide and casein phosphopeptide. The probiotics refers to one or a combination of several of lactic acid bacteria, saccharomycetes, photosynthetic bacteria, actinomycetes, bacillus and streptococcus faecalis. The prebiotics is one or a combination of several of isomalto-oligosaccharide, fructo-oligosaccharide, galactooligosaccharide and xylo-oligosaccharide. The auxiliary materials refer to one or a combination of several of silkworm chrysalis, fish meal, montmorillonite, diatomite, zeolite powder, corn flour, bran and bean pulp. Additive amount of the product accounts for 0.1%-0.2% of the amount of feed, and the feed can be directly fed after the product is added and uniformly mixed. The compound type biological active peptide product disclosed by the invention belongs to the micro-ecological technical product and is green and environment-friendly.

The invention discloses a dual-chelated foliar special fertilizer. The dual-chelated foliar special fertilizer is prepared from the following components in percentage by weight: 10%-20% of compound amino acid, 10-20% of humic acid, 20%-40% of macroelement fertilizer, 5%-7% of microelement fertilizer, 0.002-0.003% of growth regulator, 1%-3% of PH regulator and the balance of carrier; the macroelement fertilizer is composed of carbamide, phosphorus diamine and potassium sulfate; the microelement fertilizer is composed of one or more of copper sulfate, ferrous sulfate, manganese sulfate, zinc sulfate, boric acid and ammonium molybdate. The foliar special fertilizer is integrated with the macroelement fertilizer and the microelement fertilizer, and is complete in nutrition and high in utilization rate; the foliar special fertilizer is appropriate in component ratio, good in dissolvingproperty, high in absorptivity, high in activity and low in dosage, and is capable of balancing the nutritional supply between the root, the steam, the leaves, the flower and the fruits and enabling plants to grow vigorously.

The invention discloses a Procambrus clarkii culture granulated feed and a production method thereof. The Procambrus clarkii culture granulated feed is prepared from the following raw materials: fish meal, meat and bone meal, bean pulp, rapeseed meal, peanut meal, flour, rice bran, squid cream, shrimp bran, ecdysone, adhesive, table salt, monocalcium phosphate, zeolite powder, premix, mixed grease (wherein, the ratio of fish oil to soya-bean oil to lard oil is equal to 2-3:1:1), Rhubarb anthraquinone and the like. The preparation method comprises: stirring and mixing in a stirrer; meanwhile, adding steam; pelletizing, dewatering and cooling; and finally preparing the Procambrus clarkii culture compound granulated feed. The Procambrus clarkii culture compound granulated feed prepared by the production method has the advantages of good taste attractant and palatability, high stability in water, normal exuviation, low autotomy rate, high growth speed, low bait coefficients and the like. The Procambrus clarkii culture compound granulated feed can be utilized to obtain the optimal culture effect according to the specific culture situation when being used for cultivating the Procambrus clarkii.

The invention discloses a production method for an organic fertilizer. The production method can be used for mixing excrements of herbivore animals and plasters or plant ashes and coal ashes which are obtained by combusting lime sludge of a sugar factory or manioc waste and bagasse of a starch factory and quickly converting organic waste into available organic fertilizers by a zymophyte ecological method. According to the method provided by the invention, the stack fertilizer preparing time can be shortened, and the labor and the time can be saved. By using the organic fertilizer produced by the method, a perfect root environment can be constructed, so that rot diseases can be avoided; plants can fully realize the functions of absorbing the fertilizers, and crops can quickly grow up; the physical property and the chemical property as well as the microbial state of the soil are thoroughly balanced, so that the soil can be forever kept in an optical state for culturing crops. The organic fertilizer produced by the invention can be mixed with other trace elements, a plant growth promoter, chemical fertilizers and the like to prepare a composite fertilizer. Beneficial microflora can be added for further treatment; the non-toxic and harmless microorganism fertilizer can be compounded.

The invention provides a bean pulp rainbow trout parr compound feed and a preparation method thereof. Every 100kg of bean pulp rainbow trout parr compound feed is manufactured by 10 to 15kg of steam fish meal, 45 to 55kg of full fat expanded soybean, 10 to 15kg of corn protein powder, 2 to 5kg of isolate soya protein, 3 to 5kg of beer yeast, 0.5 to 1.0kg of Squid paste, 0.5 to 1.0kg of betaine, 3 to 6kg fo flour, 1.5 to 2.5kg of soybean lecithin, 2 to 3kg of fish oil, 2 to 3kg of soybean oil, 0.3 to 0.5kg of methionine, 0.1 to 0.3kg of lysine, 0.3 to 0.5kg of Choline Chloride, 0.5 to 1.0kg of composite vitamin, 0.5 to 1.0kg of composite mineral salt and water. The invention aims at the digesting physiological characteristic during the parr period of the rainbow trout and solves the balancing problem of amino acid by optimizing and adjusting the prescription of the feed, and solves the problems of anti-nutritional factors and palatability by comprehensively using enzyme preparation and feeding promoting agent. The feed of the invention has the advantages of remarkably promoting the quick growth of the rainbow trout parr, improving the surviving rate of the rainbow trout parr, improving the digesting and absorbing rates of the rainbow trout parr on the feed, reducing the drainage of P and N, reducing the culturing cost, and the like.

The invention discloses an aloe-containing composition for controlling oil and removing acnes. The composition is prepared from the following components in percentage by weight: 80-98 percent of aloe vera extract, 0.01-3 percent of laminaria saccharina extract, 1-3 percent of hamamelis virginiana extract, 0.5-5 percent of purslane extract, 0.2-0.5 percent of allantoin and the balance of cosmetic matrix. The aloe-containing composition can be used for radically remarkably regulating skin grease secretion, well inhibiting epifolliculitis caused by microbes, accelerating quick growth of tissues and cells at an inflammatory part and promoting healing. According to the composition, the effects of durably controlling oil and removing acnes can be realized by utilizing natural herbal ingredients, safe and mild properties are far higher than those of current commercial products. Tests indicate that the capability for radically regulating skin grease secretion is higher than that of current commercial products, the effect and time for curing acnes are better than those of current commercial products, the grease secretion amount is greatly reduced, and the composition is durable and effective.

The invention relates to the industrial cultivation method of Hypsizigus marmoreus and the mushroom house adopted. Mainly before the outgrowth of young mushroom, the temperature in the mushroom house is firstly controlled in 14 DEG C +- 1 DEG C. After the young mushrooms send forth, the temperature in the mushroom house is controlled from 15 DEG C to 18 DEG C. The air exchanger is adopted for the ventilation 2 to 4 times of the mushroom house everyday and each time is for 5 to 15 minutes. The cooling fan is also switched on for the synchronous operation with the air exchanger. An ultrasonic humidifier is adopted for the humidification to the air inside the mushroom house, so that the relative humidity can be controlled between 85 to 95%. When the ultrasonic humidifier is switched on, so is the cooling fan. Through a grid arranged above each layer of mushroom bed, the space on the mushroom bed is partitioned to a plurality of placing spaces, so that each cultivation bag can be placed inside a placing space. With the program, the production cycle is reduced and the quality of Hypsizigus marmoreus is also improved. Thus the growth of Hypsizigus marmoreus in accordance of the requirement of the characteristics can be ensured. The air humidity inside the mushroom bed is uniform with low energy consumption. Therefore, the automatic production can be achieved.

The invention relates to a mulberry foliar fertilizer as well as a preparation method thereof, which belong to the organic fertilizer field. The foliar fertilizer is mainly prepared by nutritive elements required by mulberry, amino acid, humic acids and a plant growth regulator. The results of experiments in mulberry field show that the usage of the mulberry foliar fertilizer can increase the mulberry leaf output by 30 percent, extend the mulberry growth time in autumn, and be favorable for improving the quality of silkworm cocoons, and the production of silkworm cocoons is increased by about 20 percent.

The invention discloses a special compound microbial fertilizer for rice. The fertilizer is prepared from the following raw materials in parts by weight: 20-32 parts of a microbial agent, 5-15 parts of charcoal, 20-30 parts of a nitrogen phosphorus potassium fertilizer, 1-5 parts of trace elements, 3-10 parts of nano-titanium dioxide, 5-15 parts of traditional Chinese medicine composition, 12-20 parts of a silicon-calcium-magnesium fertilizer and 2-5 parts of bamboo vinegar. The compound microbial fertilizer is reasonably prepared according to nutritional requirement of rice, can be used for improving the physical and chemical property and granular structure of soil, improving the fertilizer and moisture retaining capabilities of rice, promoting quick growth of the root system of rice, improving the transplanting survival rate of rice, inhibiting growth of weed, plant diseases and insect pests, reducing occurrence of soil-borne diseases to the furthest extent and reducing use of pesticides, is capable of reducing cost, and facilitates sustainable development of economy and society.

The invention relates to a formula of compound puffed feed for snakehead mullet and process for preparation, wherein the constituents in the formula comprise (by mass ratio): fish meal 35-50%, fermented soybean waste 10-20%, meat and bones meal 0-12%, silkworm chrysalis powder 0-5%, blood powder 0-5%, brewer's yeast 2-5%, shrimp grease 0-6%, fish oil 1.0-3%, high grade flour 10-20%, liquid phosphatide 1-2%, calcium dihydrogenphoshate 0.5-1.5%, composite vitamin 0.5-1%, compound minerals 0.5-1%, choline chloride 0.3-0.5%. The preparing process consists of proportioning constituents, mixing homogeneously, disintegrating, modulating, palletizing and drying.

The invention provides a breeding method and a pond for improving the commercial specification and the yield of procambarus clarkii in the pond. The breeding method comprises the following steps: drying the pond under the sun; putting young procambarus clarkii into the pond for the first time; performing catch rotation on commercial procambarus clarkii for the first time; putting young procambarus clarkii into the pond for the second time; performing catch rotation on commercial procambarus clarkii for the second time; and thoroughly draining water of the pond, and catching all commercial procambarus clarkii. The pond comprises a circular groove which is digged along the periphery of the pond, wherein the circular groove has an upper bottom width of 6 to 10 meters, a lower bottom width of 1 to 5 meters, a depth of 0.8 to 1 meter, a ridge height of 0.8 to 1 meter and a slope ratio of 1: 3; the area of the circular groove accounts for 20 to 30% of the total area of the pond; the a region, located at the inner side of the circular groove, of the pond is piled with a central enclosed beach; and the distance between the water level of the pond and the central enclosed beach is in a range of 10 to 70 cm. The invention has the following beneficial technical effects: by adopting the method provided by the invention, 200 to 250 kg of commercial procambarus clarkii can be harvested in two seasons, wherein the proportion of the commercial procambarus clarkii with a specification of 40 g or more reaches 60 to 70%.

A compound feed for ovate pompano contains fish powder, puffed soybean dregs, peanut dregs, meat powder, inkfish gut powder, beer yeast, wheat flour, soybean lecithine, sea fish oil, vitamine composition and mineral composition.

The invention provides a method for preparing a solid repair agent by using protein peptide and repairing soil by using the soil repair agent. The method comprises the steps of: preparing the protein peptide prepared by using a method in the patent ZL200610019063.7 or the protein peptide prepared by using protein-containing waste according to the following formula in site, wherein the formula comprises 1) 5-10 percent of protein peptide, 2-6 percent of molasses and the balance of water; 2) 5-10 percent of protein peptide, 0.5-1.0 percent of laccase crude product, 1-2 percent of laccase strain and the balance of water; and 3), 5-10 percent of protein peptide and the balance of water. The formula 1 is suitable for the soil in which plants are planted and which is seriously polluted by heavy metal ions; the formula 2 is suitable for the soil in which plants are planted and which is seriously polluted by heavy metal ions and is polluted by polycyclic aromatic hydrocarbon; and the formula 3 is suitable for directly acting on conventional polluted soil with light pollution. The protein peptide soil repair agent can be used as a nutrient in which a microorganism or indigenous microorganism for promoting the enrichment of the plants to the heavy metal ions, so that the polluted soil is repaired. The soil repair agent has low price, high efficiency and good effect.

The present invention provides a selenium-rich rice compound fertilizer. The compound fertilizer comprises the following raw materials in parts by weight: 400-600 parts of a nitrogen-phosphorus-potassium fertilizer, 50-70 parts of nitro humic acid, 2-8 parts of organic trace elements, 3-7 parts of inorganic trace elements, 10-20 parts of biomass slag, and 1-2 parts of inorganic selenium salt. The organic trace elements comprise a sucrose sugar complex and a humic acid complex. The selenium-rich rice compound fertilizer provided by the present invention has the advantages that the selenium-rich rice compound fertilizer is high in rice yield, high in plant disease resistance and suitable to be applied in large area; rice ears are relatively large and heavy; and because selenium-rich rice contains selenium that is essential for human bodies and animals, the selenium-rich rice is high in nutritional value and beneficial for health.

The invention relates to a yeast composition and a feed. The yeast composition of the invention comprises: A, a yeast hydrolysate; B, yeast cell wall polysaccharide; and C, bacillus; in addition, the yeast composition of the invention further comprises: D, an active yeast; and E, an anti caking additive. The yeast composition of the invention is mainly applied to powdery or granular feed, combines multi-functions of a micro-ecological preparation, a phagostimulant, an immunopotentiator and the like, and obviously improves the effectiveness and stability.

The invention relates to a formula of compound puffed feed for Leiocassis longirostris and process for preparation, wherein the constituents in the formula comprise (by mass ratio): soybean 20-50%, cotton seed waste 0-15%, groundnut meal 10-15%, fish meal 2-4%, meat and bones meal 0-15%, blood powder 0-5%, wheat flour 8-15%, maize 12-20%, fish oil 1-2%, calcium dihydrogenphoshate 0.5-1%, premixed material 1-2%. The preparing process consists of proportioning the constituents, mixing with disintegrated soybean cake raw material and maize homogeneously, disintegrating, modulating, palletizing and drying.

A tobacco seedling transplanting punching machine includes an engine, a throttle opening control cable, a clutch cable, transmission flexible shafts, punching drill bits, a vehicle frame, a water spray device, a power divider and a drill bit mounting rack; the vehicle frame includes a wheel, handlebars, a cross beam, landing legs, and a lifting handle, and a gradienter is arranged on the vehicle frame; the drill bit mounting rack includes cross rods, a fixing seat and connecting rods, tail ends of the two cross rods are symmetrically respectively arranged at two sides of the front end of the cross beam, the front end of each cross rod is connected with the connecting rod, the tail ends of the connecting rods are arranged on the fixing seat in a connection mode, and the punching drill bits are arranged below the fixing seat; power outputted by the engine is divided into two ways by the power divider to be outputted and then the two ways of power are connected with the transmission flexible shafts respectively, and the transmission flexible shafts pass through the fixing seat and then are connected with the punching drill bits respectively; the water spray device includes a water tank, a water spray pipe, a water pump and a water pump switch. One person can push the tobacco seedling transplanting punching machine for operation, so as to be convenient and save labor; with arrangement of two punching drill bits, two field ridges are punched at the same time, and the efficiency is high; and the water spay device ensures that holes cannot be collapsed.

The invention provides a bean pulp rainbow trout parr compound feed and a preparation method thereof. Every 100kg of bean pulp rainbow trout parr compound feed is manufactured by 6 to 12kg of steam fish meal, 50 to 60kg of expanded bean pulp, 10 to 15kg of corn protein powder, 3 to 5kg of beer yeast, 0.5 to 1.0kg of Squid paste, 0.5 to 1.0kg of betaine, 2 to 6kg fo flour, 1.5 to 2.5kg of soybean lecithin, 5 to 6kg of fish oil, 5 to 63kg of soybean oil, 0.3 to 0.5kg of methionine, 0.1 to 0.3kg of lysine, 0.3 to 0.5kg of Choline Chloride, 0.5 to 1.0kg of composite vitamin, 0.5 to 1.0kg of composite mineral salt and water. The invention aims at the digesting physiological characteristic during the parr period of the rainbow trout and solves the balancing problem of amino acid by optimizing and adjusting the prescription of the feed, and solves the problems of anti-nutritional factors and palatability by comprehensively using enzyme preparation and feeding promoting agent. The invention selects the feed materials with high biological availability, and has the advantages of remarkably promoting the quick growth of the rainbow trout parr, improving the surviving rate of culturing, improving the digesting and absorbing rates of the rainbow trout parr on the feed, reducing the drainage of P and N, reducing the culturing cost, and the like. The materials used by the compound feed of the invention have the advantages of reliable source, stable quality and low cost.