103results about How to "Reduce root rot" patented technology

The methods of the present invention include processing waste water containing 0.15% by weight of the salts of Na, K, Ca, Mg, Fe, Cl, SO4, and CO3 and mixtures thereof to produce products useful for enhancing oil or gas well production, and particularly for oil drilling applications including as additives for drilling muds and cement well casings, as well as for injection into an oil well oil or gas well formation.

The invention provides a dendrobium officinale cultivation grain substrate and a preparation method thereof. The dendrobium officinale cultivation grain substrate is prepared from raw materials of, based on weight rate, 45%-55% of abandoned edible mushroom residue, 3%-6% of Chinese herbal medicine waste residue, 2%-5% of chestnut shell, 4%-8% of peanut shell, 10%-15% of mulberry stem, 4%-10% of corncob, 5%-8% of wood chip, 1.0%-2.0% of quick lime, 0.2%-1.0% of urea, 0.2%-1.0% of monopotassium phosphate, 0.1%-0.5% of zinc sulfate, 3.0%-7.0% of clay, 5%-10.0% of sod soil and 0.5%-1.0% of carbendazol wetting powder. The dendrobium officinale cultivation grain substrate can improve disease resistance of dendrobium officinale, and effectively reduces occurrence rate of diseases of root rot, soft rot and the like for the dendrobium officinale. According to the dendrobium officinale cultivated by using the dendrobium officinale cultivation grain substrate, survival rate can reach above 98%, the average plant height can reach up to 78cm one and a half years after the dendrobium officinale is cultivated, the average steam thickness reaches 7.5-8.2mm, polysaccharide content reaches 42.5%, and an average dendrobium officinale yield per mu can reach 580kg.

The invention relates to a purple heart pitaya planting and a cultivating method. The method comprises the steps that 1, seeding stage management: at the early stage of characterization , one time of watering is conducted every 2 to 3 days, and timely drainage is conducted in rainy season; 2, at the initial planting period, emergency crops can be interplanted in a new orchard. Sod culture is adopted to the cultivating management once the pediciel of the pitaya climbs to the top of a pillar. Ridge plowing and root covering are conducted according to the root baring situation after raining, and ridge plowing to protect seeding is conducted in winter in the new orchard; 3, scientific fertilizer and water index; 4, pruning; 5, flower and fruit thinning and fruit bagging; 6, pest control: priority is given to the agricultural, physical and biological control, and chemical control is supplemented; 7, reaping and marketing timely. According to the purple heart pitaya planting and cultivating method, three-dimensional management is adopted into the planting of the purple heart pitaya, the production management is convenient, the taste of the purple heart pitaya is good, and the yield is high.

The invention discloses a spine-free zanthoxylum bungeanum cultivation method, which comprises land selecting and preparation, seedling raising, ear cutting and grafting, field planting, cultivation management, and seedling raising of spine-free zanthoxylum bungeanum, wherein a seed stirring agent is used during the seedling raising process, and during the ear cutting and grafting, the scion male parent is soaked with an essence liquid so as to improve the healing and scion survival rate of the joint part. According to the present invention, with the grafting of more than three generations, the spine-free or micro-spine characteristic can be stabilized, and the new grafted seedling has characteristics of high survival rate, strong branches, convenient transplanting and good quality.

The invention discloses a strawberry water culture nutrient solution which comprises a major element, a microelement and water, wherein the major element of the strawberry nutrient solution comprises carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorus, potassium, calcium and magnesium; the microelement comprises ferrum, boron, manganese, zinc, copper, molybdenum, lead and sodium; and the strawberry water culture nutrient solution contains ammonium sulfate, magnesium sulfate heptahydrate, calcium nitrate tetrahydrate, ferrisodium, monopotassium phosphate, potassium sulfate, ammonium nitrate, potassium nitrate, ammonium dihydrogen phosphate, sodium borate, manganese sulfate, zinc sulfate heptahydrate, copper sulfate pentahydrate, ammonium molybdate, lead acetate, calcium carbonate, sodium chloride, ethylene diamine tetraacetic acid disodium zinc and calcium ammonium nitrate. The strawberry water culture nutrient solution is simple in nutrient composition, convenient to prepare and lower in preparation cost, and has certain popularization and practical values.

The invention relates to a novel method for green house wintering breeding of sweet potato stems, which solves the problems that in the traditional sweet potato breeding, the potato seeds are required to be preserved through wintering, storage cellars are occupied and the facility consumption is increased, the breeding cost is high, the mature seedlings are weak, and the seedlings have rhizoid and are easily infected. Through a brand-new special sweet potato cultivation method, sweet potato seeds which have no rhizoid, can be named as semi-virus-free seedlings, reduce the generation of root rot and nematode disease, have strong, green and thick stems, strong disease-resistant ability and high survival rate, reach the level of special grade, achieve yield increase of 750 to 1000g per Chinese acre, come into the market early, and have good economic benefit, can be cultured, and are especially suitable for large-area planting in the North of China.

The invention discloses a pest and disease damage control method for red-rooted salvia planting. The method includes the steps of 1, before planting, soaking roots in 200 times of 25% carbendazim solution, used for roots, rootstocks or seedling roots, for 10 minutes, and planting after air-drying; 2, performing crop rotation, and not planting the red-rooted salvia in a same plot over two years; 3, along with land preparation, spreading 3kg of 3% phoxim particles to the land surface per mu, turning the land to bury the phoxim, and sterilizing soil; 4, making beds or ridges not smaller than 20cm in height during planting, digging a drainage ditch around, and dredging the ditch to drain rainwater in time after rains; 5, spraying 0.3% monopotassium phosphate to leafs in May to July to improve disease resistance of the red-rooted salvia; 6, after the red-rooted salvia is harvested, clearing dead twigs and leaf residue out of fields in time, and burning the dead twigs and leaf residue together. Statistics shows that through the application of the pest and disease damage control method for red-rooted salvia planting, dry weight per Mu in red-rooted salvia planting reaches 650kg / mu, that is 116.7% higher than that of the yield per Mu of existing red-rooted salvia planting, and accordingly, the pest and disease damage control method for red-rooted salvia planting is good for large-scale planting of the red-rooted salvia.

The invention relates to a water culture nutrient solution for ice berglettuce. The nutrient solution consists of macro-elements, micro-elements and water, wherein the macro-elements of the water culture nutrient solution for the ice berglettuce include carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorus, potassium, calcium and magnesium; the micro-elements comprise iron, boron, manganese, zinc, copper, cobalt, chlorine, iodine and sodium; and the water culture nutrient solution for the ice berglettuce also comprises sodium dihydrogen phosphate, sodium hydrogen phosphate dodecahydrate, ammonium nitrate, ferric sulfate, boric acid, zinc sulfate heptahydrate, calcium chloride, magnesium sulfate heptahydrate, potassium chloride, manganese sulfate heptahydrate, copper sulfate pentahydrate, zinc sulfate monohydrate, ethylenediamine tetraacetic acid disodium (mg), ferrous sulfate (mg), cobalt chloride (mg), sodium citrate, potassium iodide, calcium ammonium nitrate, potassium sulfate and potassium dihydrogen phosphate. The water culture nutrient solution for the ice berglettuce is complete in nutritional ingredients, simple in preparation and high in practicability, and has a certain popularization and application value.

The invention discloses a standardization planting technology of cold-highland-area aconitum vilmorimianum kom. The standardization planting technology includes the steps of 1, planting area selecting; 2, soil preparing; 3, seed selecting; 4, standardization cultivating; 5, field managing; 6, disease and pest preventing; 7, harvesting. By means of the planting technology of cold-highland-area aconitum vilmorimianum kom, a regular effect and a reasonable effect are achieved, the yield can be increased, quality can be guaranteed, and high-quality raw materials can be provided.

The invention discloses a greenhouse hydroponic cyclic irrigation system and a nutrient solution PH value control method. The PH value on a water outlet main pipe and the PH value on a backflow pipe are used as reference conditions for controlling the PH of a nutriment solution; according to the crop PH value control requirements, a control device can automatically control the PH value of the nutriment solution according to the relation between a preset PH value and the PH values at the positions of the two devices in a cyclic loop. The problem that in the prior art, the nutriment solution is nonuniform in PH value and inaccurate in PH control is solved. An acid liquor nutriment absorption device and an alkali liquor nutriment absorption device are controlled to automatically absorb acid liquor or alkali liquor from an acid liquor pot or an alkali liquor pot so as to achieve control over the self-circulation PH of the hydroponic nutriment solution, and greenhouse hydroponic nutriment solution self-circulation PH control reasonability and effectiveness are ensured.

The present invention relates to the cultivation technical field of a cut flower, particularly to facilities for cultivation under cover and a cultivation method of the cut flower. The facilities for cultivation under cover of cut flower comprise wall bricks, a thermal insulating layer, a gravel layer, an organic material layer, a soil and / or substrate layer and a drip irrigation device. The facilities for cultivation under cover are characterized in that a flower pond is enclosed by the wall bricks; the thermal insulating layer is disposed on the inner wall of the flower pond; the sand layer gravel layer, the organic material layer, the soil and / or substrate layer and the thermal insulating layer are paved in the flower pond from the upside to the downside; and the drip irrigation device is mounted. The invention can effectively slow down the secondary salinization to the soil and substrate under cover, improve the permeability of the soil and the substrate, enhance the activity of the root system, increase the production of the cut flower, save water and fertilizer and lessen pollution to the surrounding environment.

The invention discloses an orchard deep soil oxygen therapy soil loosening fertilizer applicator and an application method thereof; the orchard deep soil oxygen therapy soil loosening fertilizer applicator comprises a gasoline engine connected with a hollow drill rod; a high pressure air tank is connected with the hollow drill rod; an air valve is arranged between the high pressure air tank and the hollow drill rod; the most bottom of the hollow drill rod is provided with a drill bit; the hollow drill rod above the drill bit is provided with air outlets; the high pressure air is conveyed to the deep soil so as to realize oxygen therapy and soil loosening purposes; the oxygen therapy can promote root breathing effect so as to improve root growth vigor, thus reducing root reductibility toxicity and root rot generation; the soil can be loosened so as to reduce root growth resistance, thus enhancing soil air and atmosphere exchange capability, and promoting root growth; in addition, holes arranged in the deep soil allow a nitrogen phosphor potassium water-soluble ternary composite fertilizer to be filled in, thus applying fertilizer to the soil deep part.

The invention relates to an aloe water culture nutrient solution. The aloe water culture nutrient solution comprises major elements, trace elements and water, and the aloe water culture nutrient solution is divided into a solution A, a solution B and a solution C, wherein the solution A comprises the following main components: calcium nitrate tetrahydrate, potassium nitrate, ammonium hydrogen phosphate, magnesium sulfate, potassium dihydrogen phosphate, zinc sulfate heptahydrate, copper sulfate pentahydrate and calcium carbonate; the solution B comprises the following main components: ferrous sulfate heptahydrate, magnesium sulfate heptahydrate, potassium chloride, potassium iodide, copper sulfate, lead acetate and sodium citrate; and the solution C comprises the following main components: boric acid, copper sulfate pentahydrate, sodium molybdate, sodium silicate, calcium chloride, cobalt chloride and ammonium molybdate. The aloe water culture nutrient solution has a high absorption utilization rate and can accelerate the growth of aloe. The aloe water culture nutrient solution fundamentally avoids the waste caused by excessive or insufficient nutrition because the aloe water culture nutrient solution is non-targeted for a long time.

The invention relates to a method for drip irrigation vegetable planting below a dry slope land membrane. The method comprises the following steps of leveling and compacting land, and arranging ridge-bordered plots; laying drip irrigation zones before sowing; before sowing or field planting, tiling an agricultural membrane on the laid drip irrigation zones, compressing the periphery of the membrane with soil, and using a hole puncher for punching holes in the positions, on the two sides of each drip irrigation zone, of the agricultural membrane, wherein the hole distance is determined according to the requirement for the row spacing of planted crops; connecting the drip irrigation zones with a water transport and distribution system, and conducting dripping and fertilization timely and quantitatively according to the requirement of the planted crops to achieve integration of water and fertilizer. Vegetables are planted by the adoption of the drip irrigation method, so that crop root development zones are uniformly, timely and quantitatively soaked; in addition, due to land membrane coverage, crop plant evaporation is greatly reduced, manpower and fertilizer input is reduced, and the water resource utilization rate is improved; vegetables are planted on a dry slope land through the method with the combination of drip irrigation and the land membrane, so that on the premise that the drought resistance ability of the whole production system is improved, the mechanical degree (the land utilization rate) is improved, labor and fertilizer are saved, water is saved, and the yield is increased.

The invention discloses a planting method of polygonatum odoratum. The planting method includes the steps of 1), seedling selection, 2) land selection, 3), base fertilizer applying before transplanting, 4), seedling from late July to late August each year, 5), fertilizer applying, 6), watering, weeding and insect preventing, 7), harvesting in November next year. By reasonable base fertilizer and topdressing applying, reasonable field management and timely loosening, weeding and insect removing, leaf spot disease, root rot and purple wheel disease rarely occur, and the survival rate reaches more than 98%; the polygonatum odoratum planted in the method is good in quality, high in drug property and adaptability and suitable for large-area planting.

The invention discloses a tomato water culture nutrient solution which comprises a major element, a microelement and water, wherein the major element of the nutrient solution comprises carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorus, potassium, calcium and magnesium; the microelement comprises ferrum, boron, manganese, zinc, chlorine, copper, aluminum, molybdenum, silicon and sodium; and the main components of the tomato water culture nutrient solution comprise sodium silicate, zinc sulfate, calcium nitrate tetrahydrate, potassium nitrate, magnesium sulfate pentahydrate, calcium chloride, sodium molybdate, disodium edetate, 45.20-47.13mg zinc sulfate heptahydrate, sodium chloride, boric acid, manganese sulfate tetrahydrate, copper sulfate pentahydrate, monopotassium phosphate, aluminum nitrate and ferric sulfate. The tomato water culture nutrient solution is high in absorption and utilization ratio, accelerates tomato growth, and basically solves the problem of waste caused by excessive or insufficient nutrition due to the fact that the tomato water culture nutrient solution has no pertinency for a long time.

The invention discloses a green cultivation management method for moringa oleifera and relates to the technical field of crop planting. The method comprises the following steps: 1) pretreating moringaoleifera seeds; 2) reproducing high-quality moringa oleifera seedlings and stem tissue seedlings; 3) performing deep-ploughing and high-moisture and composite cultivation on moringa oleifera; 4) performing comprehensive water-fertilizer management on the moringa oleifera; 5) performing green prevention and treatment of diseases and insects of the moringa oleifera; 6) harvesting fresh moringa oleifera leaves. By adopting the green cultivation management method for moringa oleifera, different procedures of moringa oleifera cultivation are comprehensively controlled, very good adaptability is achieved, the yield of fresh moringa oleifera leaves can be remarkably increased, the quality security of the fresh moringa oleifera leaves can be ensured, the labor cost is reduced, the economic benefits are increased, and in addition, a base can be made for sustainable development of the moringa oleifera industry.

The invention discloses hydroponic nutrient solution of water spinach. The nutrient solution is prepared from macroelements, microelements and water, wherein the nutrient solution comprises the macroelements, such as carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorus, potassium, calcium and magnesium, and the microelements, such as iron, boron, manganese, zinc, chlorine, copper, aluminum, molybdenum, cobalt, silicon and sodium. The main ingredients of the hydroponic nutrient solution of the water spinach include sodium silicate, zinc sulfate, calcium nitrate terahydrate, potassium nitrate, magnesium sulphate pentahydrate, calcium chloride, sodium molybdate, ethylene diamine tetraacetic acid, zinc sulphate, sodium chloride, boric acid, manganese sulfate tetrahydrate, blue copperas, nopotassium phosphate, cobalt chloride, aluminum nitrate and ferric sulfate. The hydroponic nutrient solution of water spinach is high in absorption and utilization rate; and growth of the water spinach is accelerated. Thus, waste caused by nutrition excess or shortage due to the fact that the hydroponic nutrient solution of the water spinach has no pertinence for a long period of time is radically solved.

The invention discloses a high-compartment ridge-culture planting method for olive trees. A sloping field high-compartment ridge-culture planting method comprises the following steps of: a, dividing a sloping field into a plurality of strip-shaped platform lands according to the contour lines of a slope, deeply ploughing the platform lands once, and then broadcasting a base fertilizer; b, excavating a deep trench at the inner side of each platform land and forming a high compartment; c, planing and taking high-compartment soil, and producing a strip-shaped ridge at the outer side of the platform land and at a place which is 1 / 3 of the width of the platform land; d, planting the olive trees on the ridges. A flat land high-compartment ridge-culture planting method for olive trees comprises the following steps of: a, deeply ploughing the planting land, and then broadcasting a base fertilizer; b, excavating a deep trench in parallel to planting rows at the middle of every two adjacent planting rows, and forming a high compartment; c, planing and taking high-compartment soil, and producing a strip-shaped ridge at the centre of the high compartment; d, planting the olive trees on the ridges. The method disclosed by the invention is capable of preventing the olive trees from waterlogging damages, reducing root decaying degree, maintaining the normal growth vigour of tree bodies, reducing irrigation frequency, decreasing irrigation management and protection costs, and improving yield and quality.

The invention relates to the field of microorganisms, in particular to multifunctional streptomyces fradiae and application of the multifunctional streptomyces fradiae as a solid microbial agent. The collection number of the streptomyces fradiae G-1 is CCTCC M 2020250. While preventing and treating soil-borne diseases, the strain can generate active substances such as IAA, cellulase and protease to promote plant growth and soil nutrient utilization, and can degrade phenolic acid plant autotoxic substances to relieve obstacles to continuous cropping of soil. The preparation of the microbial agent adopts a preferable formula and is supplemented with a fermentation process conforming to the growth of strains to obtain the high-activity multifunctional microbial agent. The microbial agent can be combined with straw manuring to promote straw decomposition and can be combined with a commercially available organic fertilizer or farmyard manure to serve as base fertilizer. After application, the ecological balance of the soil is regulated by means of nutrient competition, metabolite regulation and control and the like, the fertility of the soil is enhanced, and the occurrence of soil-borne diseases is reduced. The microbial agent is simple in preparation method, readily available in raw materials, low in production cost, long in shelf life and obvious in disease prevention and yield increase effects.

The invention discloses a cutting propagation method for magnolia soulangeana, and relates to the technical field of lily magnolia cutting propagation. The method particularly comprises the steps that perlite, vermiculite and sandy soil of which the ratio is 1:1:1 are selected to be prepared into a seedling substrate, semi-lignified cutting shoots are selected to be soaked and cut, the temperature and humidity of a cutting environment are controlled, after cultivated seedlings are domesticated, large-field transplanting is performed, and therefore the technical problems that in the lily magnolia cutting process, rooting is not easy to achieve, roots are prone to rot, and the transplanting survival rate is low can be effectively prevented. The cutting propagation method for the magnolia soulangeana has the advantages that the rooting rate and cutting survival rate of the magnolia soulangeana can be significantly increased, the cultivating cycle is shortened, and the ornamental value of the magnolia soulangeana is improved.

The invention relates to a method for planting radix polygonati officinalis. The method comprises the following steps: 1) land selection; 2) seedling selection; 3) soil preparation and fertilization; 4) seeding; 5) covering; 6) fertilizing; 7) weeding; 8) prevent waterlogging and drought; and 9) controlling plant diseases and insect pests. The invention provides a system and a scientific and reasonable cultivation method, which is simple in operation, easy to popularize, high in cultivation yield and good in quality of the radix polygonati officinalis. Scientific planting is realized from the aspects of land selection, soil preparation, seed selection and planting, field management and pest control, the leaf spot disease, root rot, grey speck disease and purple round disease are fewer, the survival rate is higher than 98%, the quality is good, the drug properties are high, the adaptability is high, the production of the radix polygonati officinalis is improved, a preferential emergence rate is realized, and thus the method is suitable for large area planting.

The invention provides a manufacturing method of an environment-friendly ecological waterproof roof. The manufacturing method of the environment-friendly ecological waterproof roof includes that basic layer repair is performed on a cast-in-situ roof, a rigid waterproof layer is built, a water and steam discharging layer is established, a water filtering layer is paved on the rigid waterproof layer, the water filtering layer is divided into zones according to intervals, water discharging grooves are arranged between the zones, semicircular blind pipes which are communicated vertically and horizontally are arranged in the water discharging grooves, the semicircular blind pipes in the water discharging grooves and roof water discharging grooves are communicated, earth for growing is paved, and earth for growing is paved on the water filtering layer. The manufacturing method of the environment-friendly ecological waterproof roof breaks a conventional thought of waterproofing work, combines prevention and drainage, gives first place to the drainage, discharges steam to reduce negative pressure by adopting two-stage water and steam discharging systems and stores water and maintains concrete under a natural state. Steam is discharged through ventilation pipes so as to reduce possibility of rotted roots of plants, a whole system is more favorable for growth of the plants, and the manufacturing method integrates functions of water storage, water discharging, steam discharging and thermal insulation and has the advantages of being low in production cost and environment-friendly in materials. Turfs, fruits and vegetables planted on the earth for growing can enhance effects of thermal insulation, sediment fixing, antifreezing, sun blocking and greening.

The invention relates to bacillus velezensis which has beneficial effect on plants and can be used for preventing and treating soil-borne diseases of plants and a microbial inoculum of bacillus velezensis, and belongs to the technical field of biological pesticides. The strain is separated from three-year-old panax notoginseng root soil, is identified as bacillus velezensis, and is preserved in China General Microbiological Culture Collection Center with the preservation number of CGMCC No. 15320. The bacillus velezensis, a bacterial strain suspension or a bacterial strain fermentation broth or a bacterial strain fermentation broth extracting solution or a microbial inoculum containing the bacterial strain not only can promote seed germination and growth of plants to a certain extent, butalso can remarkably reduce the occurrence rate of soil-borne diseases of the plants, particularly the occurrence rate of the soil-borne diseases of the plants on a continuous cropping field. The microbial inoculum containing the strain can also be mixed with an organic fertilizer to be prepared into a bacterial fertilizer for use, and a wide application prospect is brought to the field of biological prevention and control of plant diseases.

The invention discloses a pesticide fertilizer for danshen root GAP standard planting and a production method thereof. The pesticide fertilizer is prepared from the following raw materials: humic acid, urea, calcium superphosphate, potassium chloride, manganese sulfate, boric acid, penicillin fermentation residues, tobacco processing residues, red pepper processing residues, tea processing residues, pepper seed, anise seed, black pepper seed, lightyellow sophora root, chicken feet golden thread, szechwan chinaberry fruit and oriental bittersweet root. The pesticide fertilizer can be used for providing nutrition for danshen root, has a killing effect on harmful organisms, and is the pesticide fertilizer which is pollution-free, safe and sanitary and residue-free, and can not cause pollution to the environment.

The invention provides a seedling culture method for preventing pomegranate seedling root rotting through symbiotic edible fungi, and relates to the technical field of pomegranate seedling culture. The method includes the following steps that treating fluid for pomegranate seeds is prepared; a seedling culture matrix for pomegranate seedlings is prepared; a seedling culture bed is prepared; sowing and seedling culture are conducted, namely, the seeds are immersed in the treating fluid for 8 hours till the seeds are fully immersed; the immersed seeds are sown on the seedling culture bed, the seeds are covered with soil with the thickness being 3 cm, and suppression and watering are conducted after the seeds are sown. The reproduction speed and the germination rate are high, pest and disease damage can be effectively restrained, the pomegranate seedling root rotting situation is reduced, the thriving condition can be provided for the seedlings, and the survival rate is high after the seedlings are transplanted. The provided seedling culture matrix is good in breathability, suitable for growth of the pomegranate seedlings and rich in nutrition, and the growth speed of the pomegranate seedlings is high. The treating fluid for treating the pomegranate seeds has the germination accelerating effect on the seeds, mould can be effectively prevented from growing on the surfaces of the seeds, the pest and disease damage is reduced, and the survival rate of the pomegranate seedlings is high.

The invention discloses a special sesame insecticide-fertilizer and a production method thereof. The special sesame insecticide-fertilizer is prepared from the following raw materials: humic acid, urea, di-ammonium phosphate, potassium chloride, zinc sulfate, borax, offal of fermented penicillin, offal of processed tobacco, offal of processed pepper, offal of processed tea leaves, xanthoxyli fructus seeds, anise seeds, black pepper seeds, radix sophorae flavescentis, coptis chinensis, chinaberry fruits and celastrus orbiculatus. The special sesame insecticide-fertilizer can not only provide nutritions for sesame, but also can kill pests, is pollution-free, safety, sanitary and residual-free, and cannot cause pollution to the environment.

The invention discloses medicago hispida hydroponic nutrient solution. The nutrient solution is composed of lots of elements, trace elements and water, wherein the lots of elements of the nutrient solution comprise carbon, hydrogen, oxygen, sulphur, nitrogen, phosphorus, potassium, calcium and magnesium; the trace elements comprise iron, boron, manganese, zinc, copper, molybdenum, nickel, lead and sodium; the medicago hispida hydroponic nutrient solution contains ammonium sulphate, magnesium sulfate heptahydrate, calcium nitrate terahydrate, ferrisodium, monopotassium phosphate, potassium sulphate, ammonium nitrate, potassium nitrate, ammonium dihydrogen phosphate, borax, manganese sulphate, zinc sulphate heptahydrate, copper sulfate pentahydrate, ammonium molybdate, nickel chloride, lead acetate, calcium carbonate, sodium chloride, zinc disodium ethylenediamine tetraacetic acid and calcium ammonium nitrate. The medicago hispida hydroponic nutrient solution is simple in nutrition ingredients, convenient to prepare, low in preparation cost, and with a certain promotion practical value.

The invention discloses a fertilizer pesticide composition for platycodon grandiflorum GAP standard planting and a preparation method for the fertilizer pesticide composition. The fertilizer pesticide composition is prepared from the following raw materials: dry and fermented chicken manure, ammonium sulfate, calcium superphosphate, potassium sulfate, zinc sulfate, boric acid, an offal material of fermented anka penicillin, an offal material of processed tobacco, an offal material of processed hot peppers, an offal material of processed tea leaves, pepper seeds, star anise seeds, black pepper seeds, radix sophorae flavescentis, chicken foot coptis chinensis, chinaberry fruit and celastrus orbiculatus. According to the invention, the fertilizer pesticide composition can not only provide nutrition for the platycodon grandiflorum, but also have the function of killing pests, so that the fertilizer pesticide composition is an agrochemical fertilizer which is pollution-free, safe and sanitary, and residue-free and does pollute environment.

The invention discloses an efficient slow-released fertilizer for root-rotting-preventing rice in a paddy field. The fertilizer comprises the following components: paraffin, calcium peroxide, cinnamon oil, porous calcium carbide, castor leaf powder, betel nut shell powder, animal giblet powder, green tea seed cakes, rice hull biomass carbon, glucose, porous cellulose acetate microspheres, beer yeast, amino acid, inositol, dicyandiamide, polyaspartic acid, medium mineral elements, trace mineral elements, grape procyanidins, hydroxypropyl methylcellulose, hydroxyethyl cellulose, alginate, activated diatomite and the like. The slow-release fertilizer for rice in the paddy field can be prepared by coating fermentation main raw materials with coated liquid capable of dynamically release nutrients, is rich in organic matters and has high fertility; the organic fertilizer adopts the betel nut shell and the rice hull biomass carbon with certain hardness, so the air permeability of the fertilizer is improved and the root rotting phenomenon of the rice in the paddy field can be reduced; and the fertilizer adopts dicyandiamide and polyaspartic acid fertilizer synergists, so the nutrient accumulation of the rice can be increased, the utilization efficiency of the fertilizer is improved and efficient cultivation of the rice is promoted.