63results about How to "Maximize production potential" patented technology

The invention discloses a peach tree shape applicable for high-density planting. The peach tree shape of the invention is Y-shaped, and consists of a trunk and two large branch groups. Two large fruit branch groups can be produced on the upside of the trunk, and are arrayed oppositely in a line, and respectively extend into the two side rows; the extension direction is perpendicular to the row direction, as well as has a 45-55 degrees angle with the vertical direction. Fruit branches and small sized fruit branch groups are produced on the large fruit branch groups. The peach tree shape of the invention is applicable for high density planting, the structure of the tree is simple, the pruning is simple, the forming is quick, and the cost is low. The method of the invention is easy to be learned, the operation is simple. Standard management can be conducted for the invention to ensure that the peach orchard realize early rich and high-quality yield, high yield and stable yield.

The invention discloses a facility efficient ecological safety lotus root and loach planting and breeding method. The facility efficient ecological safety lotus root and loach planting and breeding method includes selecting earth which meets pond requirements; 2), digging pond ditches, in other words forming foundation culture ponds, tamping pond bottoms and pond walls, forming water inlets and drainage ports in opposite corners of two ends of each foundation culture pond, and forming the annular ditches in the peripheries of the ponds; 3), laying non-woven surfaces, in other words, laying non-woven fabrics at the pond bottoms, covering the four walls of each pond with the corresponding non-woven fabrics, covering the ponds with slit, applying sufficient base fertilizers, constructing greenhouses on the peripheries of the ponds and increasing the temperatures of the insides of the greenhouses; 4), cultivating lotus roots; 5), planting the lotus roots in fields in due time; 6), releasing loaches, in other words, feeding water into the ponds until the depths of the water in the ponds range from 30cm to 40cm and completely constructing the culture ponds. The pond requirements on the earth include sufficient sunlight and water sources, warmth, ventilation, convenience in drainage, irrigation and transportation and zero toxic and harmful substance emission, and soil on the earth is preferably clay with rich humus. The depth of each ditch ranges from 60cm to 80cm, and the width of each ditch ranges from 20cm to 30cm. The depth of the silt which covers each pond ranges from 25cm to 40cm. The planting density of the lotus roots is proper so that the plant row spacing of early-maturing varieties is 1.0X2.5 meters, and the sowing quantity is 150 kilograms per mu. Each kilogram of loaches which are released into the ponds includes 200-300 loaches.

The invention discloses a feeding method and a feeding mixed feed for milk baby pig, belongs to the field of livestock breeding material, and particularly relates to a feeding method and a feed for milk baby pig. The invention aims at providing a feeding method a feeding mixed feed for milk baby pig. The milk baby pig feeding method comprises the following steps of: feeding milk baby pig with age of 28 days with a first-stage mixed feed for 14 days, and then continuing feeding with a second-stage mixed feed for 28 days. The result shows that the feeding method can effectively improve the feeding effect and benefits.

The present invention provides a drought-resistant method for building and raising the artificial forest, the steps of which comprise: (1) the construction of the affluence surface; (2) the construction of affluence pit; and also comprise water-collection system. Adopting the drought-resistant method of the present invention that is used for building and raising the artificial forest can reasonably use the valuable waterfall resource in the arid region and in the semiarid region, adequately play the production potential of the land and maximally improve the growth of the tree, which provides a feasible method for maintaining the water and soil, resisting the drought, building the forest and raising the artificial forest in the arid region and the semiarid region in the north of China.

The present invention provides a special feed for fast-grown broilers. The innovative point of the invention lies in that the feed comprises a first stage feed part, a second stage feed part, a third stage feed part, a fourth stage feed part and a fifth stage feed part. Each stage feed part comprises raw materials of corn, soybean meal, corn protein powder, stone powder, soybean oil, salt, calcium hydrogen phosphate, fish meal, lysine, methionine, high temperature resistant phytase, choline, multivitamins and minerals. The special feed generally maintains the concordance between feed nutrition and growth and development requirements of broilers, and brings the inherited potential of broilers to full play, and realizes fast production and high breeding efficiency.

The invention discloses an automatic feeding and discharging device for perforating bullet assembly and an assembling process thereof. A carrying robot is arranged on a main frame of the feeding and discharging mechanism, an assembling transferring platform is fixed on the main frame through a mounting platform, the assembling transferring platform is used for assembling and storing an elastic body and a cover ring, and materials of a feeding mechanism are conveyed into a discharging mechanism through a lifting mechanism and a horizontal moving mechanism, the discharging mechanism is providedwith a locking mechanism, the discharging mechanism can slide along the movement direction of the horizontal moving mechanism, the lifting mechanism is used for vertically moving a tray; the carryingrobot is used for carrying the elastic body and the cover ring between the lifting mechanism and the assembling transferring platform, a stamping robot is fixed on the main frame, and has two degreesof freedom and a degree of freedom for rotating around the Z axis in a vertical plane; and the stamping robot is used for carrying the assembled elastic body and the cover ring between the assemblingtransferring platform and a hydraulic machine. The automatic feeding and discharging device has the advantages that the equipment safety is improved, the occupied area is reduced, the structure is simple, the control is easy, and the high-efficiency assembling and punching of the perforating bullet can be realized.

The invention discloses a rice, ratoon-rice and tomato matched production mode. The rice, ratoon-rice and tomato matched production mode specifically includes the steps that early rice is seeded in mid February and harvested in late June; ratoon rice is harvested in late August; tomatoes begin to be seeded in early September. By means of the rice, ratoon-rice and tomato matched production mode, three times of harvesting in one rice field in a year are achieved; meanwhile, the rice can be harvested twice after one-time seeding, re-seeding and rice seedling re-raising are avoided, field plowing and intertillage are also avoided, the cropping index can be increased, and the mode is well received by people.

The invention provides a fast-growing big broiler feeding method. The method is characterized in that corresponding feeding methods are adopted for different stages according to requirements for different sale weights; three-stage feeding is adopted when sale weight is smaller than or equal to 1.6 kg; three-stage feeding is adopted when sale weight is 1.7-2.4 kg; four-stage feeding is adopted when sale weight is 2.5-3.0 kg; five-stage feeding is adopted when sale weight is 3.1-4.0 kg. According to the method, feed nutritive indexes and feeding methods are set for five broiler sale weight ranges correspondingly, nutrient requirements of fast-growing big broilers at different growth stages can be met, expected marketing weight and market age are realized, and adjustability of broiler sale weight is realized.

The invention discloses a non-soil cultivation nutrient solution for increasing the yield of cucumbers. The nutrition solution is prepared from, by weight, 0.5-1.5 parts of major elements, 0.002-0.01part of trace elements, 0.05-0.5 part of active substances and 500-2000 parts of deionized water. The preparation method includes the following steps that the major elements, the trace elements and the active substrates are used for preparing mother liquor A, mother liquor B and a mixture C respectively, according to the weight parts of the major elements and the trace elements, the mother liquorA and the mother liquor B are mixed, then according to the weight ratio of the active substrates, the mixture C is added, uniform stirring is conducted, and the nutrient solution is obtained. The method provides the nutrition solution special for non-soil cultivation of the cucumbers, the nutrition solution can meet the requirements for various elements in the cucumber growth process, the stems ofthe cucumbers is thick, the internodes are short, leaf blades are large, and the root system is developed; the productive potential of crops can give full play to, the differentiation of newly created vascular bundle systems of new roots can be promoted, and less water is consumed. Compared with soil cultivation, the yield is improved by 30%, and the development of agricultural modernization is promoted.

The invention relates to an underground hydraulic piston pump. The underground hydraulic piston pump comprises a working barrel (30), a fixed valve (43), a transverse partition (45) and a double-piston structure, wherein the fixed valve (43) is arranged on the bottom of the working barrel; the double-piston structure is positioned in inner space of the working barrel (30) and comprises an upper moving valve (33), a lower moving valve (39) and a hollow piston rod (36); and a fluid seal of the hollow piston rod (36) penetrates in the transverse partition (45), so that the upper moving valve (33) is connected with the lower moving valve (39). The underground hydraulic piston pump can descend to the tail end of a high-inclination well or a cluster well, limitation of the high-inclination well or the cluster well on the well descending depth of the underground pump is relieved, the potential productivity of an oil-gas well can be improved to the great extent, the ultimate recovery factor on the development of an oil-gas filed is increased, and the production cost is reduced while the pump efficiency is improved.

The invention discloses application of glutathione waste liquid in microorganism production and an application method and belongs to the field of microorganisms. The glutathione waste liquid is used as the effective constituent of a seeding tank culture medium and / or a fermentation tank culture medium to be applied to the microorganism production, good social and economic values are achieved, microorganism preparation with good performance can be obtained, and wide application value is achieved.

A root regulating cultivation container being easy to ventilate for rooting zone is characterized in that the bottom of the shell of the container is inlaid with an inverted disc-shaped plate the size of which is matched with the bottom of the bottom of the shell of the container, wherein the disc-shaped plate is provided with an air vent hole, and an air vent pipe is arranged on the disc-shaped plate. The invention adopts one inlaid disc-shaped plate and one air vent pipe to improve the ventilated condition of the whole container; through the improvement of the ventilated condition, the distribution of rooting zone in the container is more reasonable, the absorbing capacity of the rooting zone is increased, the ageing of the rooting zone is delayed and the productive potential of the plant can be given full play.

The invention relates to a method for determining a bending angle of each pass of cold roll forming of a plate and strip. According to the technical scheme of the method for determining the bending angle of each pass of the cold roll forming of the plate and strip, the number of passes of cold roll forming is set at first, the bending angle of each pass and the working roller diameter of a roller are selected as experimental factors, an average value of all the experimental factors is selected in advance, and a virtual experimental scheme of each experimental factor and each corresponding average value is designed; the strain distribution of the plate and strip of each virtual experimental scheme is calculated, a mathematical model of the maximum value of a positive strain absolute value of the outer edge of each pass of the plate and strip in the tangential direction is built up; based on the constraint condition that the maximum value of the positive strain absolute value of each pass is smaller than or equal to 1% and the constraint conditions of the top and bottom limitation of the average value of each experimental factor, the pursuit target is the minimum of the maximum value of the positive strain absolute value of each pass, and the number of passes of cold roll forming, the bending angle of each pass of the cold roll forming of the plate and strip and the working roller diameter of the roller are optimized and determined. The method for determining the bending angle of each pass of the cold roll forming of the plate and strip has the advantages of giving full play to the capacity of cold roll unit equipment, avoiding warping of the plate and strip, and being capable of overcoming the shape wave of edges of the plate and strip.

The invention discloses a monstera deliciosa nutrient solution with multiple application modes. The monstera deliciosa nutrient solution comprises the following components in parts by weight: 0.5-1.5parts of macroelements, 0.002-0.01 part of trace elements, 0.05-0.5 part of active substances and 50-2000 parts of deionized water. The preparation method comprises the following steps: respectively preparing mother liquor A, mother liquor B and a mixture C from the macroelements, the trace elements and the active substances, mixing the mother liquor A and the mother liquor B according to the weight parts of the macroelements and the trace elements, adding the mixture C according to the weight ratio of the active substances, and uniformly stirring, thereby obtaining the nutrient solution. By adopting the special nutrient solution for soilless culture on monstera deliciosa, requirements on various elements in the growth process of monstera deliciosa are met, the monstera deliciosa can be short in stem and internode, hypertrophic and large in leaf and well developed in root system, production potential of crops can be brought into play sufficiently, new root growth and differentiation ofvascular bundle systems are promoted, a small amount of moisture is used, the yield is increased by 30% when being compared with that of soil culture, and modern agriculture development is promoted.

The invention relates to a technology parameter optimization method of bar rolling of a three-roll planetary mill. The technical solution thereof includes: determining a finite-element simulation orthogonal-test scheme, establishing respective finite-element geometric-models, and obtaining corresponding three-directional main stress and equivalent plastic strain data corresponding to all grid elements on any section of a rolling deformation area of a bar part in a simulated rolling process; obtaining maximum DEMAGE values of the rolling deformation area according to a material ductility fracture criterion; and establishing a BP neural network model between the maximum DEMAGE values and deflection angle level values, inclination angle level values, pressing quantity level values and rollingtemperature level values, wherein a deflection angle level value, an inclination angle level value, a pressing quantity level value and a rolling temperature level value at the time when an obtainedmaximum DEMAGE value is minimum are a deflection angle value, an inclination angle value, a pressing quantity value and a rolling temperature value corresponding to bar rolling of the three-roll planetary mill. According to the method, production potential of a unit can be fully exerted, and core part cracking in bar forming can be effectively avoided.

The invention provides special compost used for strawberries and prepared from straw, belonging to the technical field of agriculture. The special compost overcomes the problems of gradually deteriorating soil conditions, reduced fertility, severe strawberry diseases, decreased strawberry output and reduced strawberry quality along with prolongation of cultivation years as strawberries grow in a same place for a plurality of consecutive years. During soil preparation in the year, the straw compost is uniformly sprinkled on soil surface, then tillage is carried out twice to allow the compost to be uniformly mixed with soil, and sowing or transplanting is carried out the next year. The special compost is used for soil improvement, and enables strawberry diseases to be obviously decreased and the quality and output of strawberries to be substantially improved.

The invention disclosed a high-efficiency management technology for a NFT cultivation nutrient solution of leaf vegetables, and belongs to the technical field of crop cultivation. The technology is suitable for green and standardized production of the leaf vegetables. According to the technology disclosed by the invention, a hot and cold water circulation temperature control technology is adopted,a temperature, flow rate and flow velocity of hot and cold water are set, so that a temperature of the nutrient solution is kept within a suitable temperature range of a crop root zone, adjustment and control of the temperature of the nutrient solution can be realized on the basis of reduction of energy consumption, potential productivity of crop varieties can be fully exerted, and economic benefits of water culture in facilities can be improved; and in addition, a nutrient solution modular management technology is applied, so that different nutrient solutions can be selected according to different vegetable varieties, diversity of cultivation varieties can be improved, planning of production is facilitated, and diffusion of pathogenic bacteria can be effectively prevented.

The invention discloses a soilless culture nutrient solution for promoting the rooting of chives. The soilless culture nutrient solution comprises the components in parts by weight: 0.5-1.5 parts of macroelements, 0.002-0.01 part of microelements, 0.05-0.5 part of active substances and 500-2000 parts of deionized water. A preparation method of the soilless culture nutrient solution comprises the steps: preparing a mother solution from the macroelements, preparing a mother solution B from the microelements, preparing a mixture C from the active substances, mixing the mother solution A with themother solution B according to the weight parts of the macroelements and the microelements, then, adding the mixture C according to the weight ratio of the active substances, and carrying out uniformstirring to obtain the nutrient solution. The invention provides the nutrient solution special for soilless culture of the chives, the requirements of a chive growth process for various elements can be met, and the obtained chives are thick in stems, short in internodes, large in leaves and developed in root systems; the productive potential of crops can be sufficiently exerted, the new creation of new roots and the differentiation of a vascular system can be promoted, and little water is consumed; and compared with soil culture, the soilless culture nutrient solution has the advantages that the yield is increased by 30%, and the development of agricultural modernization is promoted.

The invention discloses a variety breeding method for a high-quality walnut. According to the method, triple strict screenings, including primary screening for high-quality walnut trees, re-screening for the high-quality walnut trees and last screening for the high-quality walnut trees, are performed. The breeding is expanded in the manner of grafting. The bred walnut has the characteristics of moderate peel thickness, high quality, synchronogamy, high yielding ability, early fruit ripe period, plump walnut, high oil concentration (71.38%), no obvious over-year resulting phenomenon, high stability, and the like, and is principal in medium-short branch result.

The invention discloses an automatic feeding and discharging device for perforating bullet assembling. An assembling transferring mechanism is used for assembling materials and storing the materials temporarily; a four-shaft industrial robot is arranged between a material supplying and storing mechanism and the assembling transferring mechanism, and used for carrying the materials between the material supplying and storing mechanism and the assembling transferring mechanism; a punching robot is arranged between the assembling transferring mechanism and a hydraulic machine, and used for carrying the materials between the assembling transferring mechanism and the hydraulic machine; and a wall is arranged between the punching robot and the hydraulic machine. The feeding and discharging devicereduces the frequency of manual feeding and discharging, and is high in efficiency, wide in movement range, simple in structure and easy to control.

The invention discloses a planting method for a cabbage type oilseed rape oil fertilizer I. The method comprises the following specific steps: firstly ditching and draining; before seeding, spraying and applying an NPK compound fertilizer as a basal manure; then seeding in a spring seeding or autumn seeding mode, wherein direct seeding is mainly adopted for seeding, the seeding amount per mou is determined by the date of seeding; mainly enabling leaves to grow before buds of the oil fertilizer I appear, enabling flowering cabbage to rapidly grow after the buds appear; when the main flowering cabbage is higher than 15cm, performing primary picking; after primary picking, performing additional application of a nitrogen fertilizer so as to promote growth and development of side flowering cabbages; picking once every several days until flowering cabbages are over during the stage of full bloom; and finally, performing plowing and green manuring according to the farming season requirement of succession crops, and performing decomposed manure fermentation after plowing and green manuring, thereby finishing planting. The cabbage type oilseed rape oil fertilizer I obtained by the method has the advantages of prematurity, excellent flowering cabbage flavor, high fresh grass yield during the stage of full bloom, balanced contents of nutrient ingredients subjected to green manuring, dual functions as vegetable and fertilizer and the like.

The invention discloses a celery nutrient solution which can achieve water supply and topdressing simultaneously. The celery nutrient solution is prepared from, by weight, 0.5-1.5 parts of macroelements, 0.002-0.01 part of microelements, 0.05-0.5 part of active materials and 500-2,000 parts of deionized water. The preparing method of the celery nutrient solution comprises the steps of preparing the macroelements, microelements and active materials into mother liquor A, mother liquor B and a mixture C respectively, mixing the mother liquor A and the mother liquor B according to the weight partsof the macroelements and the microelements, then adding the mixture C according to the weight ratio of the active materials, and uniformly stirring to obtain the nutrient solution. The nutrient solution is provided specifically aiming at soilless culture of celeries, and the requirement of the celery growth process for various elements can be met, so that the obtained celeries have thick stems, short internodes, large leaves and developed root systems; full play can be given to the productivity potential of crops, growth of new roots and differentiation of vascular bundle systems can be promoted, and less moisture is consumed; compared with soil culture, the yield is increased by 30%, and the development of agricultural modernization is promoted.

The invention discloses a nutrient solution for soilless culture of chicory. The nutrient solution is prepared from, by weight, 0.5-1.5 parts of macroelements, 0.002-0.01 part of trace elements, 0.05-0.5 part of active substances and 500-2000 parts of deionized water. The preparation method of the nutrient solution comprises the steps that a mother solution A, a mother solution B and a mixture C are prepared from the macroelements, the trace elements and the active substances respectively, the mother solution A and the mother solution B are mixed according to the parts of the macroelements andthe trace elements by weight, then the mixture C is added according to the weight ratio of the active substances, and even stirring is conducted to obtain the nutrient solution. According to the nutrient solution special for the soilless culture of chicory, requirements for various elements in the growth process of chicory can be met, and the obtained chicory has thick stems, short internodes, fat leaves and developed root systems; the nutrient solution can give full play to the production potential of the crop and can promote creation of new roots and differentiation of vascular bundle systems, and water consumption is small; compared with soil culture, the yield is increased by 30%, and development of agricultural modernization is promoted.

The invention discloses a tai-tsai nutrient solution incapable of generating pollution odor. The tai-tsai nutrient solution comprises the components in parts by weight: 0.5-1.5 parts of macroelements,0.002-0.01 part of microelements, 0.05-0.5 part of active substances and 500-2000 parts of deionized water. A preparation method of the tai-tsai nutrient solution comprises the steps: preparing a mother solution from the macroelements, preparing a mother solution B from the microelements, preparing a mixture C from the active substances, mixing the mother solution A with the mother solution B according to the weight parts of the macroelements and the microelements, then, adding the mixture C according to the weight ratio of the active substances, and carrying out uniform stirring to obtain the nutrient solution. The invention provides the nutrient solution special for soilless culture of tai-tsai, the requirements of a tai-tsai growth process for various elements can be met, and the obtained tai-tsai is thick in stems, short in internodes, large in leaves and developed in root systems; the productive potential of crops can be sufficiently exerted, the new creation of new roots and thedifferentiation of a vascular system can be promoted, and little water is consumed; and compared with soil culture, the nutrient solution has the advantages that the yield is increased by 30%, and the development of agricultural modernization is promoted.

The invention discloses a soilless culture nutrient solution for accelerating growth of Chinese roses. The nutrient solution comprises, by weight, 0.5-1.5 parts of macroelements, 0.002-0.01 part of microelements, 0.05-0.5 part of active substances and 500-2000 parts of deionized water. The preparation method comprises the following steps that a mother solution A, a mother solution B and a mixtureC are prepared from the macroelements, the microelements and the active substances respectively, and the mother solution A is mixed with the mother solution B according to the weight parts of the macroelements and microelements; then the mixture C is added according to the weight part of the active substances, and the materials are stirred evenly to obtain the nutrient solution. The nutrient solution special for soilless culture of the Chinese roses can meet the requirement for various elements in the growth process of the Chinese roses, stems of the obtained Chinese roses are thick, internodes are short, leaves are large and thick, and roots are developed. Production potentials of crops can be given full play, new root creation and differentiation of vascular bundle systems can be promoted, and the water consumption is low. Compared with soil cultivation, the yield is increased by 30%, and the development of agricultural modernization is promoted.

The invention discloses a plant nutrient solution for soilless culture of violet and a preparation method of the plant nutrient solution. The plant nutrient solution comprises the following componentsin parts by weight: 0.5-1.5 parts of macroelements, 0.002-0.01 part of microelements, 0.05-0.5 part of active substances and 500-2,000 parts of deionized water. The preparation method comprises the following steps: separately preparing a mother solution A, a mother solution B and a mixture C by using the macroelements, the microelements and the active substances; mixing the mother solution A andthe mother solution B according to weight parts of the macroelements and the microelements; and adding the mixed solution of the mother solution A and the mother solution B into the mixture C according to the proportioning by weight of the active substances, and uniformly stirring to obtain the nutrient solution. The nutrient solution which is specially used for soilless culture of the violet is provided, requirements for various elements in a growth process of the violet can be met, the obtained violet has thick stems and short internodes and has fat and large leaves and developed root system; and the potential productivity of crops can be played fully, new creation of new roots and differentiation of a vascular bundle system can be promoted, consumed water is few, the yield of soilless culture of the violet is higher than the yield of soil culture of violet by 30%, and thus, development of agricultural modernization is pushed.

The invention provides a method for planting silicon-rich corns. Full and accurate nutrient substances are provided for the corns in the corresponding periods according to nutrition demand features in various periods of growth and development of the corns artificially severely, the content of the nutrition ingredients in the corns is increased remarkably, and the yield of the corns is improved. Silicate which is easy to absorb is separately added in a seedling culturing nutrient solution, a planting nutrient solution and a topdressing liquid fertilizer, the vigor of corn seeds in a seedling culturing period can be improved favorably, the amount of dry matters of corn plants is increased in a growing period, and therefore, high-yield and high-quality silicon-rich corn products are obtained. The obtained corn products can be used for making various dishes, and can further be used as main raw materials of industrial alcohol and Chinese distillate spirits, the types of silicon-rich food in the food industry are enriched, and a new choice is provided for supplementing of the silicon element on people in daily life.

The invention discloses soilless culture nutrient solution for leafy mustard. The soilless culture nutrient solution comprises, by weight, 0.5-1.5 parts of major elements, 0.002-0.01 part of trace elements, 0.05-0.5 part of active substances and 500-2000 parts of deionized water. A method for preparing the soilless culture nutrient solution includes preparing mother liquor A, mother liquor B and mixture C from the major elements, the trace elements and the active substances; mixing the mother liquor A and the mother liquor B with each other according to the weights of the major elements and the trace elements; adding the mixture C into the mother liquor A and the mother liquor B according to the weight proportion of the active substances; uniformly mixing the mother liquor A, the mother liquor B and the mixtures C to obtain the soilless culture nutrient solution. The soilless culture nutrient solution and the method have the advantages that requirements on diversified elements of the leafy mustard in growth procedures can be met by the soilless culture nutrient solution specially for carrying out soilless culture on the leafy mustard, and accordingly the leafy mustard has thick stems, short internodes, large leaves and developed root systems; production potential of crops can be sufficiently released, differentiation of new root and cut and vascular bundle systems can be promoted, the soilless culture nutrient solution is low in water consumption, the yield can be increased by 30% as compared with soil culture, and development of agricultural modernization can be promoted.

The invention discloses a soilless culture nutrient solution for promoting the rooting of kaffir lily. The soilless culture nutrient solution comprises the following components by weight: 0.5-1.5 parts of a large quantity of elements, 0.002-0.01 part of microelements, 0.05-0.5 part of active substances, and 500-2000 parts of deionized water. A preparation method comprises the following steps: respectively preparing a mother solution A, a mother solution B and a mixture C from the large quantity of elements, the microelements and the active substances, mixing the mother solution A with the mother solution B according to the parts by weight of the large quantity of elements and the microelement, adding the mixture C according to the weight ratio of the active substances, and stirring evenlyto obtain the nutrient solution. The provided soilless culture nutrient solution specially for the kaffir lily meets the requirement on various elements in the growth process of the kaffir lily, the obtained kaffir lily is thick in stem, short in internode, fat and large in leaf and developed in root system, the potential productivity of a crop is given into full play, the differentiation of a newroot, a new wound and a vascular bundle system is promoted, less water is consumed, and compared with the soil culture, the yield is increased by 30%, and the development of agricultural modernization is promoted.

The invention discloses a plant nutrient solution for scindapsus aureus. The plant nutrient solution comprises, by weight, 0.5-1.5 parts of major elements, 0.002-0.01 part of trace elements, 0.05-0.5part of active substances and 500-2000 parts of deionized water; a preparation method of the plant nutrient solution comprises the following steps of: preparing mother liquor A, mother liquor B and amixture C by using the major elements, trace elements and active substances respectively, mixing the mother liquor A and the mother liquor B according to the weight parts of the major elements and trace elements, then adding the mixture C according to the weight part of the active substances, and performing even stirring to obtain the nutrient solution. Since the nutrient solution which is specially used for soilless cultivation of scindapsus aureus is provided, the demand for various elements can be met in the growth process of scindapsus aureus, and the obtained scindapsus aureus has a thickstem, a short internode distance, fat and large leaves and a developed root system, and production potential of the crop can be given full play; the growth of new roots and the differentiation of a vascular tissue system can be promoted, less water is consumed, and compared with soil cultivation, the yield is increased by 30%, so that the development of agricultural modernization is promoted.