157 results about "Trace Element Nutrition" patented technology

The invention relates to the technical field of industrial wastewater biochemical treatment and discloses a broad-spectrum bio-energizer for industrial wastewater treatment. The broad-spectrum bio-energizer contains the following components of: by weight, 1 part of enzyme, 0.15-0.4 part of a micro-element nutrition, 0.15-0.4 part of hormone, 1.5-2.5 parts of organic acid, 2.5-3 parts of a nitrogen nutrition and 0.8-1.2 parts of a phosphorus nutrition. The broad-spectrum bio-energizer can be used to promote rapid growth of various bacteria and fungi in a complex environment, promote the pollutant decomposition ability of microorganisms, raise an industrial wastewater biochemical treatment system's capability of recovering fluctuation of water quality and quantity and improve treatment efficiency of the system.

The invention discloses an artificial light cultivating method of dendrobium candidum, belonging to the technical field of medical plant cultivation. The method comprises the following steps: naturalized young plants are transplanted to a nutrition pot or a potted tray containing base material and placed in a three-dimensional cultivating shelf of an artificial light closed plant factory; wherein cultivating conditions are as follows: the illumination intensity is 60-150 mu mol.m-2.s-1; the illumination time is 9-12h.d-1, the temperature is 24-27 DEG C; the relative humidity is 65-80%; the CO2 concentration is 400-800 mu mol.m-1; and the air velocity is 0.3-0.6 m.s-1; after the young plants are transplanted, atomizing keeps the humidifying state of leaf surfaces of the young plants before 2 weeks; after two weeks, the young plants are watered; according to the principle of keeping the humidification of the base material, macroelement nutrient solution is applied every 7 to 15 days; microelement nutrient solution is applied every 25 to 35 days; bottom surface is watered every 3 to 5 days; the young plants are harvested after being cultivated for 1.5 to 2 years and every half year is a picking time. The method shortens the production period, guarantees the uniform quality of the products, increases the yield, and is easy to realize standardization, industrialization and scale production.

The invention relates to a chelated liquid fertilizer containing multiple types of plant alcohols and medium trace elements, which is applied in the field of agriculture and forestry. The liquid fertilizer consists of the following main materials in parts by weight: 80-450 parts of soluble plant alcohols, 1-10 parts of calcium nitrate, 0.5-3.5 parts of zinc sulfate, 0.1-2.5 parts of manganese sulfate, 0.5-5 parts of magnesium sulfate, 0.1-2.5 parts of ferrous sulfate, 0.03-0.08 part of cobalt chloride, 0.01-0.05 part of ammonium molybdate and 0.2-1.0 part of boric acid. The pH value of the liquid fertilizer is adjusted to be neutral with slightly stronger acidity by adding an appropriate amount of water. The liquid fertilizer contains the multiple types of plant alcohols and has the capabilities of activating the biological activity of crops and enhancing the adsorption to the medium trace elements of the crops and the antioxidation of the crops; and the medium trace elements are capable of promoting the healthy growth of the crops and correcting the nutritional deficiency symptom of the crops. The liquid fertilizer has the characteristics of simple processing technology, low production cost, high fertilizer efficiency and the like; the liquid fertilizer is suitable to serving as a toot system and leaf top application for fruit trees, vegetables and field corps, and is particularly suitable to supplying medium trace element nutrition to the leaves or fruits during the late growth period of the fruit trees. The liquid fertilizer with multiple elements is extensive in application.

The invention relates to a soybean whey composite powder and a preparation method thereof. The soybean whey composite powder is obtained through adding soybean lecithin, soybean isoflavone, soybean oligosaccharides and other trace elements to main raw materials comprising non-transgenic soybean protein powder and lactalbumin, and has abundant, comprehensive and balanced nutrition. The composite powder contains a plurality of natural active components, is a high-protein nutritional food, has the advantages of the special fragrance of the soybean proteins, slip mouthfeel, pure and rich taste, instant solving after boiling, and rapid and comprehensive nutrition supplementation, can be rapidly dissolved after slightly stirring in warm boiled water, and has an inherent fragrance and smell, and there is no layering of the soup obtained after dissolving the composite powder in water.

The invention discloses a method enabling lucid ganoderma and conidial powder of the lucid ganoderma to be rich in microelements. The method at least includes the following measures that firstly, dedicated lucid ganoderma substitute cultivation culture media are prepared; secondly, special moisturizing water is prepared and sprayed so that moisturizing can be achieved; thirdly, cut-log cultivation is adopted; fourthly, cut-log cultivation is adopted, but when the third measure is not executed, microelement nutrient solutions are diluted by clear water by 300-500 times, then serve as the special moisturizing water and are sprayed to lucid ganoderma in the growing period for conducting moisturizing for 2-3 times according to a conventional method, wherein spraying is carried out every five to seven days; fifthly, the second measure or the fourth measure should be repeatedly executed in cultivation and management for the lucid ganoderma and the conidial powder of the lucid ganoderma rich in microelements in the second crop and / or the third crop.

The invention discloses a method enabling shiitake mushrooms to be rich in microelements. The method at least includes the following measures that firstly, dedicated shiitake mushroom substitute cultivation culture media are prepared; secondly, special moisturizing water is prepared and sprayed so that moisturizing can be achieved; thirdly, cut-log cultivation is adopted; fourthly, cut-log cultivation is adopted, but when the third measure is not executed, microelement nutrient solutions are diluted by clear water by 300-500 times, then serve as the special moisturizing water and are sprayed to shiitake mushrooms in the growing period for moisturizing for 2-3 times according to a conventional method, wherein spraying is carried out every five to seven days; fifthly, the second measure or the fourth measure should be repeatedly executed in cultivation and management for the shiitake mushrooms rich in microelements in the second crop and / or the third crop.

The invention relates to a liquid fertilizer containing many kinds of phytols and medium-trace elements and is applied to the fields of agriculture and forestry. The liquid fertilizer is prepared from the following main raw materials in parts by weight: 80-450 parts of soluble phytols, 0.3-1.0 part of calcium nitrate, 0.3-3.5 parts of zinc sulfate, 0.3-3.5 parts of manganese sulfate, 0.3-3.5 parts of magnesium sulfate, 0.3-2.5 parts of ferrous sulfate, 0.3-4.0 parts of cobalt chloride, 0.1-3.5 parts of ammonium molybdate and 0.5-4.0 parts of boric acid, an appropriate amount of water is added, and the acidity-basicity of the fertilizer is regulated to be neutral or slightly acidic. The fertilizer contains many kinds of phytols, so that the physiological activity of crops is activated, and the medium-trace element absorption and anti-oxidation capacities of the crops are improved; and due to the medium-trace elements, the healthy growth of the crops can be promoted, and the element deficiency symptoms of the crops can be corrected. The liquid fertilizer disclosed by the invention has the characteristics of simple machining process, low production cost, high fertilizer efficiency and the like, is applicable to the top application of the roots and foliage of fruit trees, vegetables and field crops, particularly the medium-trace element nutrition supplementation of leaves or fruits at the late growth stages of the fruit trees, and is a multi-element liquid fertilizer with a wide range of application.

The invention discloses a modifier for acidized bamboo soil, which comprises the following materials by weight percent: 45-55% of lime nitrogen, 20-30% of biomass carbon, 10-20% of calcium oxide, 5-10% of magnesium oxide and 5-10% of trace elements. The modifier for acidized bamboo soil provided by the invention is prepared by taking the lime nitrogen and biomass carbon as main parts and matchingwith the trace elements, is capable of repairing and treating the acidized bamboo soil, is capable of preventing and treating soil-borne pest and disease damage and balancing the requirement for the nutrition of the trace elements in bamboo, and has the three functions of 'acid-controlling, pest-treating and nourishing'. The modifier for acidized bamboo soil and the special fertilizer for the bamboo are applied together, so that the acidification of the bamboo soil is thoroughly eliminated, the repairing for the acidized soil is economically and efficiently realized, the soil-borne pest and disease damage is prevented and treated, the soil fertility is quickly increased and the yield and quality of the bamboo are increased.

The present invention discloses a kind of microelement type complex foliage fertilizer and its preparation method. The described foliage fertilizer is formed from fulvic acid, sodium salicylate, alginic acid composite solution, special-purpose composite adjuvant and composite microelement solution (solution A and solution B), in which said solution A is made up by dissolving 100-150kg of citric acid in 250L of water with 60-80deg.C, then successively adding 100-150kg of FeSO4.7H2O, 50-100kg of CuSO4.5H2O, 20-50kg of MnCl2.6H2O and 250-300kg of Zn(NO3)2.7H2O, and the solution B is made up by dissolving 50-100kg of boric acid in 100 L of water with 40-60deg.C, then adding 20-50kg of potassium hydroxide, making them be fully reacted and regulating pH value to 5-6. Its preparation method includes the following steps: adding the solution B into the solution A, stirring them, adding 100-150kg of urea, adding 30-80L of fulvic acid, sodium salicylate and alginic acid composite solution, adding 1kg of sodium hydrogen sulfite and 20-50L of special-purpose adjuvant, regulating pH value to 3-3.5, then adding water to 1000L.

The invention relates to a method for repairing and regenerating an aged suspended biological membrane filler. The biological membrane filler is used for a biological reactor for waste water treatment. The method comprises the following steps of: (1) taking the aged biological membrane suspended biological filler inside a biological membrane rector out, and airing; (2) starting a vibrating screen so that an aged and loose biological membrane and sludge accumulated on the aged and loose biological membrane are drooped and then discharged; (3) carrying out acid-alkaline chemical elution: firstly adopting mixed acid elution, and then adopting alkaline elution; (4) further eluting by using an enzyme preparation, wherein the enzyme preparation is a proteolytic enzyme; (5) airing the filler treated in the step (4), and placing the filler back to the biological membrane reactor; (6) regenerating the biological membrane: introducing air or oxygen, and adding a trace element nutrient solution to realize the final updating of the biological membrane. The method disclosed by the invention can be used for removing the aged and scaled biological membrane positioned on the surface of the suspended filler and effectively and fast realizing the updating reutilization of the biological filler.

The invention discloses a production method of nutritious target-functional eggs. The production method is characterized by quantitatively feeding the feed prepared from maize, bean pulp, alfalfa meal and maize protein meal to chicken. In the invention, a production method of nutritious eggs with fortified trace elements is also adopted. In the production method, the functional nutrients including probiotic, oligosaccharide, Chinese herbal medicines and natural mineral substances are adopted, the harmful bacteria are antagonized through advantageous culture of nutritious probiotics in animal intestinal tracts, the survival conditions and the like of the harmful bacteria are restricted and the functional nutrients replace the antibiotic additives which had to be added to the feed before, thus realizing antibiotics-free production of feed.

The invention relates to a tomato soilless culture method, and belongs to the soilless culture technical field; the method comprises the following steps: matrix preparation, water soluble fertilizer preparation, greenhouse equipment configuration, wobble plate soil loading, spot planting and earthing, watering germination, colonization preparation, colonization, colonization management and harvesting; the matrix comprises coco coir, straw powder, turf, vermiculite, mushroom slag, wood chip, expanded perlite and iron sheet dendrobium; the water soluble fertilizer comprises a first nutrient solution and a second nutrient solution; the first nutrient solution comprises calcium nitrate, potassium nitrate, ammonium nitrate, potassium dihydrogen phosphate, potassium sulfate, magnesium sulfate, EDDHA-PE-6, manganese sulfate, copper sulphate, ammonium molybdate, borax, zinc sulfate and water; the second nutrient solution refers to trace element nutrient solution; the tomato soilless culture method is green and environmental protection, can reasonably utilize planting space in a planting process, and the matrix and nutrient solution are rich in nutrition; the tomato grown by the method is nontoxic and pollution-free, and suitable for mass production and promotion.

The invention relates to a polyaspartic acid bacterial fertilizer and a production method and application thereof. The polyaspartic acid bacterial fertilizer comprises polyaspartic acid or salts thereof, bacillus megatherium, colloid bacillus, bacillus licheniformis, bacillus subtilis, humic acid, and amino acid. The polyaspartic acid bacterial fertilizer can be used for improving the soil, helping crops to absorb nutrient elements including nitrogen, phosphorus, potassium and trace elements, promoting the growth of roots, reducing contamination to environment, activating the soil and reducing the use amount of the fertilizer.

The invention discloses a preparation method of a compound microelement nutrient capable of enhancing activity of activated sludge in a sewage treatment device for treating single waste water. Zinc sulfate, cupric sulfate, nickelous chloride, boric acid, cobaltous chloride, manganese chloride, sodium molybdate and sodium selenate are used as the main raw materials, and hydrolysis reaction of proteins and chelation reaction of metallic elements are performed by using organic / inorganic compound acid to form an organic acid / amino acid compound chelate. Microelement salts with different concentrations can be selected for chelation according to different water qualities and different biochemical treatment ways of sewage. The invention is a chelate containing multiple microelements capable of promoting microbial metabolism and enzyme activity.

The present invention is a vitamin and microelement nutrition supplement particle or tablet for children and teenagers, by using one kind reversal kinds of the vitamin, the mineral as the raw materials preparation. The present invention is characterized in that the production comprises a bubble produced by the neutral gas; when the children and teenagers take the supplement, the bubble can release, and therefore effect of minimal bursting can occur in the mouth. The present invention also relates to the preparation method for the vitamin and microelement nutrition supplement of young children.

The invention relates to a method for preparing medicine-food homologous nutritious beverage (Xixingbao) rich in trace elements of selenium and zinc, which comprises the following steps of: adding 40-60 kg of water into 200 g of honeysuckle, 300 g of lily, 400 g of chrysanthemum, 300 g of sealwort, 300 g of Chinese dates, 200 g of dark plum, 300 g of kudzu vine roots and 400 g of peppermint, soaking the eight foods for 1 h, and decocting the eight foods for 40 min; agitating the obtained solution for 30 min, filtering and disinfecting the solution, storing the solution in pots, sealing the pots, disinfecting the pots, spraying the code and packaging the pots. The invention has the advantages that the nutritious beverage not only contains traditional Chinese medicine with the effects of clearing away heat, eliminating toxin, nourishing yin and moistening the lungs and but also comprises trace elements of selenium and zinc with dual functions of protecting the liver and strengthening immunity, and no harmful chemical additive is added.

The invention discloses a method for enabling tomato to be rich in multiple trace elements. The method adopts at least one of the following measures: 1, selecting high-quality tomato seeds, normally culturing the seedlings and arranging the seedlings, irrigating trace element nutrient solution which is diluted for 500-750 times; 2, normally culturing the seedlings until the seedlings are fixedly planted, irrigating the seedlings with the nutrient solution which is diluted for 500-750 times; 3, when nutrient pots are adopted to breed seedlings, irrigating the seedlings with the nutrient solution which is diluted for 500-750 times when each seedling grows two-leaves and one core and / or when the seedlings are fixedly planted; 4, diluting the nutrient solution for 300-500 times, respectively spraying the plant, leaf surface and fruit for one time in the fruit setting period and the first fruit expansion period; and 5, in soil-less culturing, directly adding the nutrient solution with proper amount to culture solution respectively at the flowering and fruit setting period and the first fruit expansion period, and normally managing the radish seedlings in other periods, wherein the trace element nutrient solution is ion nutrient liquid fertilizer which is specified in the claim 1 of the patent with an application number of 201210053105.4.

The method of cultivating apple with rich nutrients is to spray different nutritious components in different apple growth stages. The nutritious components are first fermented under certain conditions and compounded in certain concentration, and then sprayed to the foliage and fruit surface in different apple growth stages. The nutritious components are selected from SOD, milk, honey, ginseng, wolfberry fruit and other Chinese medicinal materials. Thus produced apple has rich SOD, vitamins, Ca, Zn, Se and other trace elements, and possesses bright color, faint scent, sweet and crisp taste, unique flavor and high quality. The said method may also adopted in producing Chinese medicinal health apple.

The invention discloses a method of using methionine mother liquid containing potassium carbonate or potassium hydrogen carbonate to prepare methionine zinc chelate. The method includes following steps: concentrating methionine crystallization mother liquid to increase content of total methionine (containing methionine dipeptide) of a system to 8-15wt%, and promoting potassium hydrogen carbonate to be converted into potassium carbonate; transferring concentrated mother liquid for bipolar film electrodialysis for further acidifying and recycling potassium ions, desalting until a molar ratio ofmethionine to potassium ions in acid chamber mother liquid is 1:0.8-1.1, adding zinc salt of 0.5 molar total methionine equivalent weight, allowing reaction at 70-90 DEG C for 70-90min, cooling, crystallizing, separating, and drying to the methionine zinc chelate. The method is simple, practical and high in methionine and potassium ion recycling rate; physical property that the methionine zinc chelate is insoluble in water is utilized to realize separation of methionine from water-soluble impurities in the mother liquid, and the methionine zinc chelate which is a feed-grade trace element nutritional agent having high economic value.

The invention relates to formula nutritious rice and a preparation method, which relate to nutritious rice and a preparation method and solve the problem that the elements of VA, VB1, VB2, calcium, iron, zinc, selenium and the like can not meet the requirement for acceptable daily intake of an eater, and the nutrition-enhanced rice adding artificially synthesized elements on the current market have safety risk to the eater. The formula nutritious rice is prepared by polished round-grained rice, sticky rice, corn, proso millet, millet, black rice, pearl barley, small red beans and raisin. The invention can replenish the balanced nutrition intake of the eater according to different combination, complementation and matching of trace element nutrition substances containing in the existing grains and beans, the formula nutritious rice which is rich in nutrition, pliable in mouthfeeling and chewing-resistance, faint for rice taste and suitable for both children and the old is prepared by compounding for many times, thus being safe and convenient and having effects of preventing diseases and being nutritious and health-care.

The invention relates to a medium and trace element nutritional synergist with abundant sulfur and zinc and application of the medium and trace element nutritional synergist. The medium and trace element nutritional synergist comprises 38%-75% of medium and trace element components, 0.5%-4% of dispersing agents, 0.5%-6% of wetting agents, 0.5%-5% of film-forming agents, 0.5%-5% of coalescing agent, 0.5%-5% of fillers, 19.5%-40% of water and 0.5%-2% of pigments. Various components are uniformly mixed with one another to obtain a product which is flow emulsion, and the coalescing agent is ethylalcohol or texanol ester alcohol. The application includes enveloping granular macro-element fertilizers and powdery fertilizers with the medium and trace element nutritional synergist for providing medium and trace element nutrition such as the sulfur and the zinc for the fertilizers; coating seeds with the medium and trace element nutritional synergist for improving the vitality of the seeds, increasing the germination rate of the seeds and improving the activity of seedlings; spraying the medium and trace element nutritional synergist on leaf surfaces for quickly providing the medium and trace element nutrition such as the sulfur and the zinc for crops; applying the medium and trace element nutritional synergist to drip irrigation and fertilization, allowing the medium and trace elementnutritional synergist and other macro-element fertilizers to be fed to positions near the root systems of the crops and further allowing the medium and trace element nutritional synergist to be absorbed by the root systems of the crops. The medium and trace element nutritional synergist and the application have the advantages that a medium and trace element nutritional layer can be quickly and efficiently formed on the surface of each fertilizer or the surface of each seed without drying, and the medium and trace element nutritional synergist is excellent in leaf surface spraying performanceand suspension fertilizer performance.

The invention discloses a nutrient fertilizer for culturing a selenium-and-germanium-rich multi-element watermelon, which belongs to the technical field of preparation and production of nutrient fertilizers for water melons as a green agricultural product in farmer benefiting technology. The nutrient fertilizer is prepared from compound tract element nutrient base fertilizer, selenium-and-germanium-rich steel slag, mineral slag, bagasse and soybean cake powder natural elements, natural mineral elements, a natural green agricultural straw organic element, and industrial-and-agricultural waste residue, poultry-and-livestock manure and natural soil fertility enhancer nutrient base fertilizer. The objective of the invention is to comprehensively and effectively increase the content of nutrient elements in watermelon juice, achieve supplementation, regulation and antagonism and nutrient element balance in the human body through the homology of medicine and food, enhance immunity, increase disease resistance, strongly resist oxidation, remove free radicals, strongly absorb toxins, discharge waste, increase oxygen, remove heavy metals and various toxins in the body and release trace element anions good for the health of the human body, and the invention is a new technological measures for building the body, improving the constitution of citizens, increasing incomes of farmers and benefiting people.

The invention provides a hami melon beverage and preparation method thereof, which is compound of hami melon, Chinese goosebeery, medlar as main raw materials as well as sweetener, citric acid, hami melon essence and water as ingredients according to the weight percentages as follows: 20% to 30% of hami melon, 10% to 15% of Chinese goosebeery, 1% to 5% of medlar, 10% to 15% of sweetener, 0.05% to 0.07% citric acid, 0.01% to 0.05% hami melon essence and remaining water; after processing the raw materials, the working procedures of preparation, mixing, vacuum degassing, sterilization and the like are finished; the technology is simple and reasonable, and the prescription is right and proper and has high content of solid contents; the hami melon beverage has nutrient contents of various amino acids and trace elements needed and holds the natural fragrance of hami melon and Chinese goosebeery. The hami melon beverage has fragrant taste as well as cool, sweet and sour mouth feeling, which is suitable for all ages and is applied to long time drinking.

The present invention discloses a special columba palumbus feed in summer. The special columba palumbus feed is prepared by crushing and mixing the following raw materials in parts by weight: 20-25 parts of paddy rice, 15-18 parts of sorghum, 10-12 parts of mung beans, 8-10 parts of black soya beans, 5-8 parts of fructus cannabis, 4-6 parts of sunflower seeds, 4-6 parts of buckwheat seeds, 3-5 parts of safflower seeds, 1-2 parts of wood charcoal, 1-2 parts of edible salt, 2-4 parts of river sand, 3-5 parts of shrimp powder, 4-8 parts of bone meal, 5-9 parts of cabbages and 1-3 parts of lysine. The beneficial effects are as follows: the provided special columba palumbus feed in summer can provide various minerals, vitamins and trace elements needed in the growth and development of columba palumbus, is full of nutrients, high in nutritional value, and high in feed utilization rate, and can effectively enhance the body constitution of the columba palumbus, improve the disease resistance of the columba palumbus, accelerate the growth rate of the columba palumbus, and reduce the food picky phenomena of the columba palumbus.

The invention discloses a sweet potato residue and chicken manure fertilizer and a preparation method thereof. The sweet potato residue and chicken manure fertilizer is characterized by being prepared from the following raw materials in parts by weight: 200-300 parts of sweet potato residues, 200-300 parts of chicken manure, 60-80 parts of ammonium sulfate, 30-50 parts of magnesium sulfate, 50-60 parts of potassium sulfate, 15-20 parts of zinc sulfate, 10-15 parts of borax, 80-100 parts of achnatherum inebrians, 60-80 parts of anabasis, 80-90 parts of radix aconiti kusnezoffii, 60-90 parts of sophora alopecuroids and 8-10 parts of soil conditioner. The soil conditioner contains a jade component with a great number of trace elements beneficial to human bodies, and meanwhile, the soil conditioner contains an adsorption component capable of effectively adsorbing and curing toxic heavy metal elements in soil and increasing the yield of crops. According to the invention, the two wastes which are hardest to treat are combined and utilized artfully and are turned into things of value, the environment pollution problem is solved, meanwhile, nutrients and trace elements are provided for plants, and the nutritive value is very high.

The invention relates to a loquat trace element nutrient solution and a use method thereof. The loquat trace element nutrient solution is designed according to loquat tree nutrient demand characteristics. Each liter of water comprises 2-3g of urea, 2-3g of potassium dihydrogen phosphate, 2-4g of calcium nitrate, 0.5-1.5g of magnesium sulfate, 1-1.5g of zinc sulfate, 1-1.5g of borax and 0.5-1g of ammonium molybdate. A preparation method of the loquat trace element nutrient solution comprises the following steps of accurately weighing the above raw materials, completely dissolving the above raw materials into water by stirring and adding water into the solution until the solution volume is 1 liter. The loquat trace element nutrient solution is designed according to the loquat tree characteristics, is rich in trace elements such as calcium, magnesium, molybdenum, boron and zinc necessary for leaves, fruits and flowers of the loquat tree, can suitably supply macroelements such as nitrogen, phosphorus and potassium necessary for the loquat tree. The loquat special-purpose nutrient solution and a nutrient solution transfusion-based nutrient supplement technology have the advantages of convenient operation, good effects and low cost.

The invention discloses a method for cultivating eggplant rich in multiple microelements. The method at least adopts one of the following measures: 1, selecting high-quality eggplant seeds, cultivating normally, and after seedlings grow out, pouring microelement nutrient solution diluted by 500-750 times; 2, cultivating normally, and after field planting, pouring the microelement nutrient solution diluted by 500-750 times into the ridges; 3, during nutrition pot seedling raising, respectively pouring and applying the microelement nutrient solution diluted by 500-750 times in a 2-3 main leaf period and / or field planting; 4, diluting the nutrient solution by 300-500 times, respectively spraying to plants, leaf surfaces and fruits once in a fruit sitting period and an eggplant expanding period; and 5, during soilless cultivation, directly adding right amount of nutrient solution into the nutrient solution respectively in a flowering and fruit sitting period and the eggplant expanding period; and carrying out routine management. The used microelement nutrient solution is ion nutrient solution fertilizer specified in claim 1 of a patent with the application number of 201210053105.4.

The invention discloses a special microbial nutrient solution for hydroponic lettuce. The special microbial nutrient solution is prepared from a macroelement nutrient solution, a microelement nutrientsolution and an active synergistic solution through mixing, wherein the macroelement nutrient solution is prepared from components as follows: 440-460 mg / L calcium nitrate tetrahydrate, 88-95 mg / L ammonium phosphate, 90-100 mg / L monopotassium phosphate, 185-195 mg / L potassium nitrate and 188-195 mg / L potassium sulfate; the microelement nutrient solution is prepared from components as follows: 260-270 mg / L magnesium sulfate, 27.5-28.5 mg / L ferrous sulfate, 36-37 mg / L sodium ferric acetate, 2.5-2.6 mg / L boric acid, 2-2.1 mg / L manganese sulfate, 0.01 mg / L ammonium molybdate and 0.07 mg / L coppersulfate; the active synergistic solution is prepared from effective microorganisms and molasses, and content of the active synergistic solution is 830-840 mg / L. With adoption of the nutrient solution,yield of the hydroponic lettuce can be increased obviously, and quality of the hydroponic lettuce can be improved.

The invention relates to a preparation method of a rumen-derived microbial fermentation feed rich in volatile fatty acid calcium. The preparation method comprises the following steps of after collecting rumen liquor, performing direct culture or in vitro culture so as to prepare strain liquor; crushing fine and coarse feed products, performing pulping to obtain pulp, and pumping the pulp into a fermenter; after raising the temperature and introducing CO2 for deoxygenization, adding trace element nutrient buffering liquor and the strain liquor, strictly performing anaerobic fermentation to prepare fermentation liquor, then performing solid-liquid separation to obtain a solid wet base and liquid nutrient liquor; and directly concentrating the liquid nutrient liquor to prepare concentrated liquid nutrient liquor; mixing the fermentation liquor solid wet base with feed raw materials, pure water, compound strain liquor and compound enzymes, and performing enzymolysis fermentation, so as toprepare fermented and enzymatically hydrolysed solid wet bases; mixing the fermented and enzymatically hydrolysed solid wet bases with the concentrated nutrient liquor to prepare the fermentation feedrich in volatile fatty acid calcium. The prepared feed is rich in nutrients of the volatile fatty acid calcium, mycoprotein, active small peptides, oligosaccharides, probiotics and the like, and hasthe efficacy of stimulating lactation, promoting digestion, increasing food consumption and the like.

The invention discloses a composition and a method for biologically preventing and treating skyblue broomrape herb. The composition mainly comprises the following components: a soil conditioner, a microbial agent, a soil fertility balancing agent and an organic trace element nutritional agent. The method comprises the following steps: (1) soil saline-alkali improvement: from the first drip irrigation after sowing or transplanting, a soil conditioner is dripped into soil; (2) microbial bacterium prevention and control of skyblue broomrape herb: from the second drip irrigation after sowing or transplanting, a microbial agent is dripped into soil; (3) soil fertility balance adjustment: from the second drip irrigation after sowing or transplanting, a soil fertility balancing agent is dripped into the soil; and (4) supplementing foliage nutrition, namely spraying an organic trace element nutritional agent to the crop foliage during the growth period of the crops. The provided composition can efficiently inhibit skyblue broomrape herb, can realize continuous farming and planting, reduces the soil salinity and alkalinity, improves the soil fertility, increases the yield and the income, isenvironment-friendly, and reduces the water and fertilizer consumption. The method is scientific, simple, convenient, low in cost and suitable for agricultural application.