182 results about "Trace element composition" patented technology

The invention discloses a high nutrient compound selenium fertilizer comprising selenium, nuisanceless organic material-inorganic material and medium and trace elements, and a preparation method thereof. The high nutrient compound selenium fertilizer comprises 45-60 wt% of organic material, 55-35 wt% of inorganic material, 1-6 wt% of medium and trace elements, and 0.011-0.025 wt% of purified selenium. The fertilizer disclosed in the invention can increase yield efficiently, and allow the applied plant to contain selenium element which has health care effect to human body. The fertilizer adopts a plurality of internal adsorptions to protect selenium to let the selenium in the selenium fertilizer be effective, has good intermiscibility and degradability, keeps selenium from fix, and obviously improves the biological absorption utilization rate of selenium of plants (including tea).

The invention relates to nitrogen element fertilizer, in particular to a nitrogen element fertilizer composite synergist and a preparation method thereof. The composite synergist consists of a biochemical inhibitor, a synergist, a nitrogen element stabilizer, a carrier and microelements, the weight portion ratio of the materials is 1:0.01-1: 0.01-0.5: 0.5-1: 0-0.05, wherein the biochemical inhibitor can be a nitrification inhibitor and a urease inhibitor, the synergist can be poly-aspartic acid, and the nitrogen element stabilizer can be hydrolyzed amino acid, humic acid, alginic acid or alginic acid water soluble salt. The preparation method comprises the following steps: crushing the raw materials, screening the raw materials with a sieve of 30 to 100 meshes, and stirring and mixing the raw materials according to the proportion. The nitrogen element fertilizer composite synergist is suitable for growing long acting nitrogenous fertilizer taking urea or ammonium nitrogen fertilizer as raw materials and can be applied to various soils together with urea or ammonium nitrogen fertilizer so as to effectively prolong the fertilizer efficiency period of the urea or the ammonium nitrogen fertilizer. The fertilizer efficiency period can reach 100 to 120 days. The nitrogen element fertilizer composite synergist has remarkable resistance to diseases, drought and lodging, effectively improves the capability of soil to reserve nutrients, and has good effects for off-season crops.

The invention relates to spring maize cultivation, in particular to a dedicated fertilizer for producing green corn and a preparation and an application method thereof.The fertilizer is composed of urine-based nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, medium elements and trace elements; in the preparation method, the solid raw materials with a grain size of 1.5-4.5mm are selected; then the medium elements are added to humic acid or humic acid salt accounting for 60-100% of the mass percent of the medium elements to be mixed; afterwards, trace elements are added and mixed with the mixture, cementing agent is used for pelleting and producing solid raw materials with a grain size of 1.5-4.5mm for standby use; finally, the medium elements and trace elements mixed for pelleting are uniformly mixed with the urine-based nitrogenous fertilizer, phosphate fertilizer and potash fertilizer.The dedicated corn fertilizer is applied to the corn spring sowing as base fertilizer at one time and no after manuring is not needed.The use level of the urea-based nitrogenous fertilizer in the fertilizer of the invention proportion of the urea-based nitrogenous fertilizer in different release periods are set with proportion of the urea-based nitrogenous fertilizer in different release periods according to fertilizer-demanding characteristics on the nitrogenous fertilizer by the corn in different growth periods to form 4-level supply speed of the fertilizer nitrogen, thus remarkably controlling loss of nitrogenous fertilizer.

The invention discloses a fertilizer synergist prepared from traditional Chinese medicinal materials and production and application methods thereof. The production method of the fertilizer synergist comprises the following steps: taking the traditional Chinese medicinal materials of astragalus root, rhizoma atractylodis, sweet wormwood, stonecrop, white atractylodes rhizome, gynostemma pentaphyllum, aloe and artemisia leaf as raw materials; carrying out water leaching on the astragalus root, the gynostemma pentaphyllum, the stonecrop and the aloe according to the equivalent part quantity, baking and preparing powder; carrying out alcohol leaching on the rhizoma atractylodis, the white atractylodes rhizome, the sweet wormwood and the artemisia leaf according to the equivalent part quantity,baking and preparing powder; then, mixing according to the proportion of 2:1 of an aqueous extract and an alcohol extract and preparing with inorganic fertilizer containing nitrogen, phosphorus and potassium which are required by crops, inorganic salt containing trace elements which are required by the crops, amino acid, humic acid and a chelating agent. The invention has the following advantages: (1) the synergist comprises traditional Chinese medicine active substances, organic nutrient components and trace elements, is the full nutritional fertilizer of self crops and also can enhance thedisease-resistant capability of the crops; (2) the synergist is a solution, thereby the crops can quickly and directly absorb the synergist, and yield increase and harvest increase are realized; and (3) part of the fertilizer in the soil can be converted and utilized, the fertilizer is saved and the pollution is also reduced.

The present invention discloses a fully soluble aquatic fertilizer and its preparation method and pertains to aquaculture field. The aquatic fertilizer of the present invention comprises monoammonium phosphate 15-45%, sodium humate 12-20%, sodium silicate 5-12%, compound premix 8-13%, and urea 30-40%. The compound premix is mainly composed of trace elements. Firstly, the aquatic fertilizer of the present invention has comprehensive nutrition and balanced formula; secondly, the present invention has high dissolution speed and utilization rate; thirdly, the present invention features simple use method, small use amount, sufficient content, long lasting time and low cost; fourthly, the present invention can not only promote the mass propagation of food organisms of aquatic animals but also specifically cultivate helpful algae, improve water quality, increase dissolved oxygen, effectively avoid pond poisoning, reduce diseases, lower feed coefficient and enhance fish immunity; the present invention is green and environment-friendly, and has stable quality and no harm on human and animal and no pollution on environment.

The invention discloses a nutrient for promoting the growth of root stock traditional Chinese medicinal materials and a preparation method thereof. The nutrient mainly comprises 10 to 30 weight percent of nucleotide salt, 40 to 80 percent of glucose, and 10 to 30 weight percent of medium and trace elements. The preparation method is to grind the nucleotide salt and the medium and trace elements; passing the ground material through a 200-mesh sieve; and mixing the undersize materials with the glucose uniformly. The nutrient has the advantages of low production cost, small dose, simple process,easy scale production and promotion, reasonable mixing ratio, high pertinence, no toxin, no harm, no residue, no adverse or side effects, yield increase, economic value increase, effect improvement, resistance improvement, and function of improving the yield, economic value and quality of bark traditional Chinese medicinal materials.

The invention discloses a high-strength and high-plasticity eutectic high-entropy alloy and a preparation method thereof. The high-strength and high-plasticity eutectic high-entropy alloy is preparedfrom the major elements of Ni, Co, Fe, Cr, Al and the trace elements X; the alloy composition is NiaCobFecCrdAleXf, wherein a, b, c, d, e and f represent the molar percentages of the corresponding elements, a+b is greater than or equal to 58 and less than or equal to 62, a is greater than or equal to b, c+d is greater than or equal to 18 and less than or equal to 22, c is greater than or equal tod, e is greater than or equal to 17 and less than or equal to 19, and f is less than or equal to 5.3; and the trace elements X comprise the following elements of W, Nb, Mo, B and C. The preparation method for the eutectic high-entropy alloy comprises the following steps that firstly, the alloying elements of the Ni, the Co, the Fe, the Cr, the Al and the X are descaled and cleaned and are weighedand mixed according to a certain molar ratio, a mother alloy is smelted, and finally suction casting is carried out so as to obtain the eutectic high-entropy alloy. The alloy combines the face-centered cubic phase and the body-centered cubic phase and has the advantages of being high in strength and high in plasticity, the elements such as the Al, the Cr and the W are beneficial to the improvementof the oxidation resistance, the corrosion resistance and the high-temperature stability of the alloy, and the comprehensive performance of the alloy is quite excellent.

The invention relates to a nodular cast iron inoculant and a preparation method thereof and an application in smelting nodular cast iron. The nodular cast iron inoculant consists of 3-6% of Bi, 40-50% of Si, 0.5-3% of Ba, 0.1-3% of La, 10-18% of Ca, 1-3% of O, 0.5-3% of S and the balance of Fe and unavoidable trace elements. The nodular cast iron inoculant is prepared by the steps of mechanically mixing a metal oxide, a metal sulfide and a silicon iron-based alloy; adding an adhesive into a grinding device, and pressing the mixture into a cluster; breaking the cluster, screening and wrapping with an aluminum foil. In use, when the output molten iron accounts for about 1 / 2 of the lip-pour ladle, the inoculant is added to perform inoculation treatment on the nodular cast iron once or multiple times. The inoculant provided by the invention contains the trace elements such as O, S, Bi and the like and is low-silicon and efficient, and multiple heterogeneous nucleation mass points are formed in the iron liquid, thereby increasing the graphite quantity, improving the shock resistance, mechanical property and yield, increasing the utilization rate of foundry returns, and increasing the economic benefits.

The invention relates to the technical field of aquaculture feedstuff. Premix material consists of composite vitamin and composite microelement according to the mass ratio of 5 to 10:15 to 20, wherein the composite vitamin consists of vitamin A, vitamin D, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, nicotinic acid, calcium pantothenate, folic acid, biotin, inositol, vitamin C, beta-glucan, garlicin, DMPT, astaxanthin, topaz, antioxidant, mildew inhibitor and wheat middlings; and the composite microelement consists of ferric citrate, zinc sulfate, magnesium sulfate, methionine, potassium iodate, manganese sulfate, copper sulfate, sodium selenite, potassium chloride, choline chloride, betaine and zeolite. The invention has stable raw material sources and complete nutrition. A cultivated object grows rapidly with a high feedstuff conversion rate and good cultivating benefits. Compared with crabs eating other feedstuff sources such as rough fish, corn, bean pulp, and the like, the quality of Chinese mitten crab is improved. The invention relates to the feedstuff additive premix material for the Chinese mitten crab.

The invention discloses a nutrient for promoting the growth of root stock traditional Chinese medicinal materials and a preparation method thereof. The nutrient mainly comprises 10 to 30 weight percent of nucleotide salt, 40 to 80 percent of glucose, and 10 to 30 weight percent of medium and trace elements. The preparation method is to grind the nucleotide salt and the medium and trace elements; passing the ground material through a 200-mesh sieve; and mixing the undersize materials with the glucose uniformly. The nutrient has the advantages of low production cost, small dose, simple process, easy scale production and promotion, reasonable mixing ratio, high pertinence, no toxin, no harm, no residue, no adverse or side effects, yield increase, economic value increase, effect improvement, resistance improvement, and function of improving the yield, economic value and quality of bark traditional Chinese medicinal materials.

The invention discloses a nutrient for promoting the growth of a fruit seed medicinal plant. The nutrient is characterized by mainly comprising the following components in percentage by weight: 10-30 percent of nucleotide salt and deoxynucleotide salt, 20-70 percent of glucose, 10-20 percent of amino acid and 10-30 percent of trace elements. The nutrient has the advantages of low production cost,small dosage, reasonable mixing ratio, strong specificity, fruit dropping resistance, increase in yield and strong effect of enhancing the qualities of fruit and seed medicinal plants.

The invention relates to a novel as-cast 500-7 nodular cast iron which comprises the following components in percentage by mass: 3.5-3.7% of C, 2.2-2.4% of Si, 0.1-0.2% of Mn, 0.045-0.05% of P, 0.01-0.015% of S, 0.018-0.02% of Re, 0.05-0.055% of Mg, 0.45-0.48% of Cu, and the balance of Fe and inevitable microelements. The elements come from coke, limestone, new pig iron, returning iron, electrolytic copper, steel scrap and iron alloy. The preparation method comprises the following steps: weighing the raw materials according to the percentage by mass of the novel as-cast 500-7 nodular cast iron, smelting, spheroidizing and inoculating three times to obtain the novel as-cast 500-7 nodular cast iron. The novel as-cast 500-7 nodular cast iron has the advantages of short production cycle, low pollution, low cost and high strength, and can obtain a ferrite / pearlite mixed matrix under as-cast conditions.

The invention relates to an anti-disease greenhouse vegetable fertilizer which is characterized by comprising bacterial enzyme with effective viable count of (2.0-3.0)*10<9>CFU / 9, shale, straw powder, dry chicken manure, bone meal, fish meal, soybean meal, borax, magnesium sulfate, ferrous sulfate, potassium dihydrogen phosphate and manganese sulfate. The greenhouse vegetable fertilizer consists of bacterial enzyme, organic matters and microelements and can comprehensively meet the growth and development needs of crops and increase the output by over 15%; the fertilization cost is reduced, and the output-input ratio is increased by over 18%; and moreover, the greenhouse vegetable fertilizer enhances the ability of resisting pest and disease damage of crops, and can perfectly prevent gray mold, leaf mold, anthracnose, early blight, late blight, leaf spot disease and the like.

The invention discloses a nutrient for promoting the growth of a fruit seed medicinal plant. The nutrient is characterized by mainly comprising the following components in percentage by weight: 10-30 percent of nucleotide salt and deoxynucleotide salt, 20-70 percent of glucose, 10-20 percent of amino acid and 10-30 percent of trace elements. The nutrient has the advantages of low production cost, small dosage, reasonable mixing ratio, strong specificity, fruit dropping resistance, increase in yield and strong effect of enhancing the qualities of fruit and seed medicinal plants.

The invention discloses an anti-drought, anti-disease and detoxication plant growth and protection chemical, which consists of moisturizing agent, virus tolerance agent, growth accelerating agent, nitrogen synergist, nutrient activating agent, humic acids, nitric acid rare earths and medium microelement; the moisturizing agent which undergoes the copolymerization reaction, decompression and drying processes is evenly mixed with other constituents according to a certain percentage, then the mixing agent undergoes measuring and packaging processes to become the anti-drought, anti-disease and detoxication plant growth and protection chemical. The invention combines all special activities of all constituents, achieves best comprehensive and balance functions, gives full play to the corresponding united and synergistic effects of all constituents, improves plant physiological functions, boosts plant growth and development, prevents and cures plant diseases, removes toxins from plant body, keeps soil moisture, activates soil nutrients, increases utilization rate of fertilizers, prolongs fertilizer efficiency period and lowers pollution on the environment. The invention is capable of being used with other fertilizers, which resolves the problem of the comprehensive and balance fertilization, creating or improving the living conditions needed for plant growth and protection, lowering costs caused by such harms as drought and diseases etc. and greatly increasing the crop yield.

The invention discloses a formula and preparation method of a four-in-one biological amino acid foliage organic fertilizer. The four-in-one biological amino acid foliage organic fertilizer has obvious effects on rootage, germination, seedling strengthening, flower formation promotion and fruit retention. The invention is mainly characterized in that the foliage organic fertilizer is prepared by precisely mixing, fermenting and chelating four bioactive substances, biological amino acid, bioprotein mixture, EM (effective microorganism) mixture and JS-activator. The bioprotein mixture is prepared from seaweed and soybean extract and animal protein; and the EM mixture is prepared from an EM stock solution, major and medium elements and chelation minor elements. The foliage organic fertilizer contains 10-15% of biological amino acid, 10-15% of major and medium elements (nitrogen (N), phosphorus (P), kalium (K), calcium (Ca), magnesium (Mg) and sulfur (S)), and 3-6 wt% of chelation minor elements (Zinc (Zn), iron (Fe), manganese (Mn), molybdenum (Mo), cobalt (Co), selenium (Se), copper (Cu) and boron (B)).

The invention relates to nanguo pear cultivation, in particular to a dedicated fertilizer for producing green nanguo pear and a preparation and an application method thereof.The fertilizer is composed of urine-based nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, medium elements and trace elements; in the preparation method, the urea-based nitrogenous fertilizer, phosphate fertilizer and potash fertilizer with a grain size of 1.5-4.5mm serve as solid raw materials; then the medium elements are added to humic acid or humic acid salt accounting for 60-100% of the mass percent of the medium elements to be mixed; afterwards, trace elements are added and mixed with the mixture, cementing agent is used for pelleting and producing solid raw materials with a grain size of 1.5-4.5mm for standby use; finally, the medium elements and trace elements mixed for pelleting are uniformly mixed with the urine-based nitrogenous fertilizer, phosphate fertilizer and potash fertilizer.The dedicated fertilizer is applied to the nanguo pear trees as spring base fertilizer at one time and no after manuring is not needed.The nitrogenous fertilizer use level in the fertilizer of the invention and different number of nanguo pear fruit indexes with proportion fully following nanguo pear of different tree ages form five-level supply speed of fertilizer nitrogen, thus remarkably controlling loss of nitrogenous fertilizer.

The invention discloses an asexual rapid propagation method which includes selecting and clipping cut spikes, immersing the cut spikes through hormone culture solution and root taking culture solution, temporary planting the cut spikes in nutrient soil for culture, finally conducting hardening-seedling on the cut spikes to obtain tea seedlings capable of being transplanted. The root taking culture solution is composed of various macroelements and microelements. Rooting rate of the cut spikes immersed by the culture solution reaches high to over 85%. The quick propagation method is short in seedling raising period, high in survival rate, capable of being used for repeated production and suitable for large-scale production.

The invention belongs to the technical field of fertilizer production and relates to biological semi-organic fertilizer containing amino acid and a making method thereof. Urea, monoammonium phosphate, potassium sulphate and bentonite are matched reasonably, amino acid mother liquor granules are adopted to form granulation master batch, aminated humic acid, medium trace element compositions, decomposed coal and amino acid mother liquor are blended to form a coating sizing agent used for primary coating of the granulation master batch, then a dusting powder agent is formed by microorganism bacterial liquid and calcium carbonate powder, a coating agent is formed by white oil, molasses and a mixture, and secondary coating is conducted in a coating machine to generate the biological semi-organic fertilizer containing amino acid. The biological semi-organic fertilizer containing amino acid has the efficiency of humic acid, amino acid, biological agents and the like and also has a slow-releasing function, effective constituents can be released slowly and orderly, fertilizer efficiency is remarkable, and production organization is facilitated.

The invention provides a nutrient for promoting the growth of a flower Chinese medicinal material, mainly comprising the following components in percentage by weight: 10-30% of nucleotide potassium salt, 20-70% of glucose, 10-20% of amino acid and 10-30% of intermediate trace element. The nutrient is low in cost, little in dosage, easy in industrial production and promotion, rational in proportioning, strong in pertinence, free of poison, free of harm and free of residue and bad side effect; and the nutrient increases the production, the harvest increment, the effects and the resistance, and increases the production and increment and improves the quality of the flower Chinese medicinal material.

The process of cultivating granular nitrified sludge with granular anaerobic sludge includes the following steps: filling the granular anaerobic sludge as inoculum into updraft aerobic bioreactor with triphase separator; adding cultivation promoter comprising proper amount of phosphate and trace elements into waste water containing ammonia nitrogen and organic carbon source or compounded simulating waste water containing P element in 0.02-0.1 g / L; diluting the waste water to ammonia nitrogen concentration of 30-50 mg / L as inflow water for the reactor, domesticating the inoculum in the reactor at temperature 20-35 deg.c, pH 7.5-8.5 and dissolved oxygen of 1.5-5 mg / L for 8-36 hr; raising the ammonia nitrogen concentration in inflow water gradually to 250-350 mg / L after the ammonia nitrogen eliminating rate reaches 85 % and the operation becomes smooth and running for 60-120 days to obtain granular nitrified sludge.

The invention relates to a high-quality high yield production method of rhizomatic traditional Chinese medical materials. Nutrient comprising, by weight percent, 10-30% of nucleotide salt, 40-80% of glucose is applied in the growth process by means of water dissolution prior to spraying. The high-quality high yield production method of rhizomatic traditional Chinese medical materials is low in operation cost, simple, and easy for large-scale production and popularization, has no toxicity, harm or residue and no adverse side effects upon rhizomatic traditional Chinese medical materials. The yield, effect and resistance of the rhizomatic traditional Chinese medical materials are increased, and the quality of the rhizomatic traditional Chinese medical materials is improved.

The invention relates to a production method with good quality and high yield for medicinal plants trichosanthes kirilowii maxim and radices trichosanthis. The production method applies nutrient in the growth process, wherein the nutrient consists of 10-30% of nucleotide salt and deoxynucleotide salt, 20-70% of glucose, 10-20% of amino acid and 10-30% of trace elements by weight percent; the nutrient is applied by dissolving in water and spraying. The production method is low in cost, simple, low in dosage, and easy to implement mass production and to popularize. The nutrient is rational in proportion, strong in pertinency, free from toxic and harmful materials as well as residue, and free from side effect; the production method can increase production, income and efficiency, and enhance resistance, and has functions of increasing both production and income and improving quality for the medicinal plants trichosanthes kirilowii maxim and radices trichosanthis.

The invention discloses a nutrient for promoting the growth of bark traditional Chinese medicinal materials, which mainly comprises 10 to 30 weight percent of nucleotide salt, 20 to 70 weight percent of glucose, 10 to 20 weight percent of amino acid and 10 to 30 weight percent of medium and trace elements. The nutrient has the advantages of low production cost, small dose, simple process, easy scale production and promotion, reasonable mixing ratio, high pertinence, no toxin, no harm, no residue, no adverse or side effects, yield increase, economic value increase, effect improvement, resistance improvement, and function of improving the yield, economic value and quality of bark traditional Chinese medicinal materials.

The invention discloses a twinned crystal corrosion-resistant hard alloy material and a method for manufacturing the same. The main compositions of the alloy material are WC composite hard phase, Co as binder metal, Cr as the microelement to resist corrosion and prevent the growth of grain, and the mass percentage compositions are: 20 to 32 percent of 0.8-2u of tungsten carbide powder, 48 to 60 percent of 2-4u tungsten carbide powder, 0.5 to 1 percent of chrome carbide powder, and 12 to 20 percent of cobalt powder. The manufacturing method comprises the steps of ball milling the powder at the matching ratios in alcohol and hexane protection mediums to obtain hard allay mixing material, then pressing the powder into be blanks, and finally sintering the blanks in a sintering furnace under the conditions at a temperature of between 1380 and 1420 DEG C for heat preservation for 40 to 80 minutes. The twinned crystal corrosion-resistant hard alloy material has wear-resistance, impact-resistance and stable quality, and the manufacturing method is simple and reliable.

The invention discloses a preparation method of a nutrient for promoting growth of a medicinal whole-grass plant. The nutrient comprises, by weight, 10 to 30% of a nucleotide salt, 20 to 70% of glucose, 10 to 21% of amino acids and 10 to 30% of a medium trace element, wherein the medium trace element is Mn, B, Fe, Zn, Cu or Mo. The nucleotide salt, the amino acids and the medium trace element are crushed and screened and the glucose is added into the mixed powder and the mixture is uniform mixed. The preparation method has a low cost and a small use amount, has simple processes and is suitable for large-scale production and popularization. The nutrient has a reasonable ratio of all the ingredients, strong pertinence, no toxicity, no damage, no residual and no side effects, has effects of improving a yield, income, effects and resistance, can promote growth of a medicinal whole-grass plant and can improve a yield by 40-100%.

The invention discloses a high-quality high-yield flower-type traditional Chinese medicinal material production method. According to the invention, a nutrient is applied during a growth process of the medicine material. The nutrient is composed of, by weight, 10-30% of nucleotide salt, 20-70% of glucose, 10-21% of amino acids, and 10-30% of medium-trace elements. The medium-trace elements are Mn, B, and Fe. The method has the advantages of high specificity, no toxicity, no harm, no residue, and no adverse or side effect. With the method, production and yield are improved, a synergetic effect is provided, and resistance is improved. Also, the quality of the flower-type traditional Chinese medicinal materials can be ameliorated or improved.

The invention relates to a high quality and high yield producing method of a rhizomatic Chinese herbal medicine-white paeony root. The method comprises the steps of cultivation, field management, pest control and harvest processing, wherein the field management step comprises a fertilizer or nutrient applying process. Nutrient is sequentially applied according to the following steps: a, 20 grams of nutrient is mixed with 30 kilograms of water, and the mixture is uniformly sprayed onto an acre of white paeony root for the first time at the beginning of a flowering period; b, 20 grams of nutrient is mixed with 20 kilograms of water, and the mixture is uniformly sprayed onto an acre of white paeony root for the second time seven days after the first time of spraying in a full blossom stage. The nutrient consists of nucleotide salt, glucose and medium trace element which respectively account for 10-30%, 40-80% and 10-30% in weight percent. The method is low in operation cost, and simple and easy to produce and popularize in large scale; the method is not toxic and harmful and does not have residues and any adverse side effects in rhizomatic Chinese herbal medicine-white paeony root; and the production, yield, effect and resistance of white paeony root are increased, and the quality is improved and increased.

The invention provides a hydroponic nutrient solution for spinach, and belongs to the technical field of soilless culture. The nutrient solution contains a large number of elements and trace elements required by plant growth. 100ml of the nutrient solution mainly contains: (1) 347.00 to 350.00mg of calcium nitrate tetrahydrate; (2) 263.00 to 266.00mg of potassium nitrate; (3) 53.00 to 56.00mg of ammonium nitrate; (4) 116.00 to 119.00mg of ammonium sulfate; (5) 258.00 to 262.00mg of magnesium sulfate heptahydrate; and (6) 9.5 to 10.0mg of ferric sulfate. The nutrient solution provided by the invention is complete in nutritional ingredients, simple to prepare and high in practicability, and can solve the problem of imbalanced nutrient supply in the common nutrient solution and promote the spinach to grow normally. Therefore, the nutrient solution has a great practical popularization value in the hydroponic field of spinach.

The invention relates to a good-quality and high-yield production method of fruit and seed medicinal plants. A nutrient is applied in the growth process. The nutrient comprises the components in percentage by weight: 10-30% of nucleotide salt and deoxynucleotide salt, 20-70% of glucose, 10-20% of amino acids and 10-30% microelements. The production method is low in cost, simple, less in use level and easy for large-scale production and popularization. The plants are reasonable in matching proportion, strong in pertinence, free from toxicity, harm and residual and free from any adverse side effects. Production, yield and effect are increased, the resistance is enhanced, and the method has the effects of increasing the production and the yield and improving and enhancing the quality to the fruit and seed medicinal plants.