85results about How to "Reach production increase" patented technology

The invention relates to a balanced fertilization method under the condition of wheat / corn one-year-two-harvest cultivation total straw returning. In the winter wheat season, corn ears are harvested when corn is ripe, straw and root remains are smashed, or the straw and the root remains are smashed while the corn ears are harvested by a machine, the corn straw and the root remains are smashed once again before soil preparation, base fertilizer is applied, soil is subjected to rotary tillage or is subjected to ploughing to bury the corn straw, then rotary tillage is conducted, wheat is sown, and topdressing is carried out in the jointing stage; in the summer corn season, wheat is harvested by the machine when being ripe, meanwhile, wheat straw is smashed, the wheat straw is made to cover the field, then corn is subjected to no-till machine seeding or manual dibble seeding, wheat stubble cleaning is carried out at the corn seedling stage, topdressing is performed at the belltop stage and the anthesis maturity period, or the corn is subjected to no-till machine seeding, meanwhile, seed fertilizer is applied, and topdressing is performed at the belltop stage and the anthesis maturity period. According to the balanced fertilization method, wheat and corn are used as one fertilization unit, the fertilizing amount and the fertilizing method are balanced, the full stand and healthy seedling and the high and stable yield of wheat and corn are guaranteed, soil organic matter is increased, the soil fertility is raised, sustainable highyield is achieved, and the fertilizer utilization efficiency is improved.

The invention relates to a water purification microbial inoculum which is produced by blending and fermenting a plurality of bacteria. Straws are taken as raw materials and then seed solutions of a plurality of bacteria, a straw fermention medium and a concentrated nitrifying bacteria solution are added, thus obtaining the water purification microbial inoculum. A preparation method of the water purification microbial inoculum comprises the steps as follows: the straws are sent to a material steam explosion system and then a steam explosion is conducted to the straws; after the steam explosion, the straws are sent to a chelated reaction storage for reaction; after reacting in the chelated reaction storage, the straws are sent to a fermention storage for fermentation; 5 percent of the seed solution of a plurality of sporos and 30 percent to 40 percent of the straw fermention medium are added to the fermention storage; and before the straws are taken out of the storage, 2 percent to 3 percent of the concentrated nitrifying bacteria solution is added and stirred evenly, thereby obtaining the water purification microbial inoculum. The water purification microbial inoculum has the advantages that the valid viable bacteria number of the produced water purification microbial inoculum reaches 2 billion / g (slab) and nitration and subnitration can be realized; a purifier has comprehensive water purification functions which can effectively restrain the harmful bacteria of a cultured water body, thereby realizing the disease prevention and survival rate improvement; the degradation of the organic pollutant in the water body can be accelerated; and ammonia nitrogen can be decreased and dissolved, and oxygen can be increased, thereby achieving the aims of increasing production and income.

The invention provides a biologically-fermented amino acid leaf fertilizer for grape. The preparation method of the leaf fertilizer comprises the following steps: preparing fermentation substrate, selecting fertilizer raw materials and the addition ratio of the raw materials in the fermentation substrate, leaching amino acid fertilizer, preparing a leaf fertilizer solution, and modulating the acidity of the leaf fertilizer solution. The preparation method subjects the raw materials of the fertilizer to a process, wherein during this process, the raw material proportion of the fertilizer, the temperature, and the time are all fixed; so the raw materials of the fertilizer can simultaneously carry out biological assimilation with the substrate; the produced fertilizer has a comprehensive fertilizing performance, can fully meet the nutritional requirements of grape in each growth period, can achieve the goals of increasing output, improving product quality, and adjusting the maturation period, and is suitable for being used as a grape leaf fertilizer.

The invention relates to a special active fertilizer used for honeysuckle and preparation method thereof. The preparation method of the special active fertilizer comprises the following steps of: selecting protease generating fungi, adding rapeseed meal, sesame seed meal and bean meal according to the weight percent of 50-70%:20-40%:20-20%, mixing, carrying out solid fermentation and enzymolysis on crud proteins in the cake meal to form a biological fermented cake fertilizer with bioactivity, and then uniformly mixing 20-30% by weight of biological fermented cake fertilizer with 8-10% by weight of active agent and 60-80% by weight of inorganic fertilizer, and pelletizing so as to obtain the special fertilizer used for the honeysuckle. The special active fertilizer used for the honeysuckle, provided by the invention, can meet the available nutrient requirements of the early growth stage of the honeysuckle to achieve the aim of promoting sprouting and branching at the early stage, and the organic fertilizer in the special active fertilizer can continuously supply nutrient to the honeysuckle at the later growth stage and maintain the fertilizer efficiency for a long time so as to promote the stable growth of the trees; and moreover, the special active fertilizer used for the honeysuckle has obvious effects in enhancing the output and the quality of the honeysuckle at the later stage.

The invention discloses a grape planting method. The method includes the following steps of firstly, cultivating seedlings; secondly, watering the seedlings; thirdly, applying farmyard manure; fourthly, applying potassium sulphate compound fertilizer and nitrogen fertilizer one week before sprouting; fifthly, applying 20-25 kg of potassium sulphate compound fertilizer, nitrogen fertilizer and phosphatic fertilizer after flowering; sixthly, applying nitrogen fertilizer when fruits are as large as mung beans; seventhly, covering fruits with hollow double-color mulching film covers after the fruits are borne; eighthly, applying nitrogen fertilizer and phosphorus potassium fertilizer in the fruit coloring initial period. According to the grape planting method, by covering the fruits with the double-color mulching film covers after the fruits are borne, rainwater can be prevented from immersing surfaces of grapes, the wind resistance and rain resistance are high, light permeability is high, insect removal and disease resistance are achieved, the photosynthesis strength is improved, heat preservation and moisture preservation are achieved, grape growth is accelerated, the yield and income are increased, and mature grapes are low in internal pesticide residue, rich in nutrient, fresh in color and luster, good in taste, better in color and more sufficient in sugar.

The invention provides an intelligent sand-prevention and water-controlling sieve tube which comprises a base tube, a sand-prevention filtering layer and self-adjustment flow control valves, wherein a mounting hole communicated with the inside of the base tube is formed on the base tube; the sand-prevention filtering layer is arranged at the outer part of the base tube in a sleeving manner, and a filtrate cavity is formed between the sand-prevention filtering layer and the outer wall of the base tube; at least one self-adjustment flow control valve is mounted in the mounting hole of the base tube and is located in the filtrate cavity. The intelligent sand-prevention and water-controlling sieve tube provided by the invention consists of the base tube, the self-adjustment flow control valves and the sand-prevention filtering layer, the sand-prevention filtering layer is arranged at the outer parts of the self-adjustment flow control valves and is used for filtering oil-water mixed liquor at first to isolate formation sand at the outer part of the sieve tube, the filtered oil-water mixed liquor flows through a channel to the self-adjustment flow control valves, the self-adjustment flow control valves are used for intelligent water control, the flow rate of the oil-water mixed liquor in the base tube is controlled according to the water content of the oil-water mixed liquor, and meanwhile, the purposes of sand prevention, water control, oil stabilization and yield increase are achieved.

The invention provides a microbial film coating agent for preparation of microbial fertilizers. The microbial film coating agent contains biochemical humic acid or biochemical humate, agricultural composite amino acid powder, a biological growth promoter, a microbial agent, an anti-hardening agent, stone flour, a trace element salt and a dye special for fertilizers, wherein the mass ratio of the biochemical humic acid or biochemical humate, the agricultural composite amino acid powder, the biological growth promoter, the microbial agent, the anti-hardening agent, the stone flour, the trace element salt and the dye special for fertilizers is 2-5:15-25:1-3:1-2:8-20:45-60:10-25:0.5-1.5. The invention also provides a microbial compound fertilizer composition containing the microbial film coating agent. The microbial compound fertilizer composition is used for increasing vegetable yield, shortening the recovery period, reducing the disease rate, and / or improving soil fertility.

The invention provides an antibacterial agent special for potatoes. The antibacterial agent comprises bacillus subtilis and paecilomyces lilacinus; the weight ratio of the bacillus subtilis to the paecilomyces lilacinus is 6-9 to 1; the bacillus subtilis at least comprises three of bacillus laterosporus, bacillus methylotrophicus, bacillus licheniformis, bacillus megatherium, bacillus subtilis, paenibacillus mucilaginosus and bacillus amyloliquefaciens. The antibacterial agent special for the potatoes, which is prepared by the invention, can reasonably utilize interaction among microorganisms,has high adaptability, high stability and high pathogen antagonism, can efficiently antagonize pathogenic bacteria of potato early blight and sore coffee diseases, can stimulate plant growth and canimprove crop quality so as to fulfill the yield-increasing and high-yield aims.

The invention discloses a planting method for grapes with high yield. The planting method comprises the following steps: loosening soil and erecting scaffolding; applying base fertilizer; planting; carrying out topdressing; pruning; preventing plant diseases and insect pests; picking up. According to the planting method disclosed by the invention, selection of planting raw materials and a technical method are safe and non-pollution; at the same time, the planting method is in line with a growth rule of the grapes; on the one hand, the requirements of grape growth on various nutrients can be met; on the other hand, waste of resources and land destruction brought by excessive use of fertilizer can be avoided, thereby achieving greenness and environmental protection; in addition, dwarfing treatment is carried out on the grapes so as to enable the heights of trunks of grape vines to be less than 1.6 meters, and the dwarfing treatment is started from seedlings, so that the effect is obvious; the dwarfing treatment is beneficial to improve the yield of the grapes; meanwhile, the growth of the grapes is accelerated, and the aims of increasing the yield and incomes are achieved; after the grapes are ripened, the grapes have the advantages of low pesticide residue, rich nutrition in fruits, bright luster, delicious taste, good mouth feel, better color and more sufficient sugar content.

The invention discloses a compound fertilizer special for hickories. The compound fertilizer special for the hickories is prepared from, by weight, 30%-40% of organic fertilizer, 8%-12% of urea, 15%-20% of monoammonium phosphate, 20%-30% of potassium nitrate, 1%-2% of borax, 1%-2% of copper sulfate, 1%-2% of zinc sulfate, 0.8%-1.2% of ferrous sulfate, 0.1%-0.5% of gamma-polyglutamic acid and the balance auxiliary. The organic fertilizer is obtained by mixing duck manure, straw, hickory nut shells, rice chaff and an EM bacterial fermenting agent through fermentation, and the auxiliary is obtained by mixing attapulgite powder and modified cassava powder. According to the compound fertilizer, the organic matter content is larger than or equal to 15 wt%, the sum of the content of nitrogen, phosphorus and potassium is larger than or equal to 30 wt%, the content of nitrate nitrogen is larger than or equal to 4 wt%, the compound fertilizer can effectively improve soil properties, optimize ecological environment, facilitate growth of the hickories, enhance the tree vigor and gain stress tolerance, and the multiple purposes of environment friendliness, production increasing and effect increasing are achieved.

The invention relates to a special active fertilizer for lily, as well as a preparation method thereof. The preparation method comprises the following steps: mixing the following raw materials: 0.5-1% of EM compound fungicide, 40-50% of rapeseed meal, 10-20% of soybean meal, 30-40% of chicken manure and 10-20% of tobacco stems, then performing microorganism aerobic fermentation, thoroughly decomposing to form active biological bacterial fertilizer, then evenly mixing the following raw materials in percentage by mass: 20-30% of active biological bacterial fertilizer, 5-10% of humic acid, 0.1-0.5% of medium-trace elements, and 60-70% of inorganic fertilizer, and then performing compound mixing technology to obtain special active fertilizer for lily. According to the special active fertilizer for lily, quick acting and long acting are combined, the nutrients are comprehensive and balanced, and the special active fertilizer for lily contains abundant organic matters, humic acid and active bacteria, as well as scientifically proportioned quick-acting nitrogen, phosphorus, potassium and medium-trace elements. The special active fertilizer for lily is applied during lily planting, the pertinency is strong, the growth is fast, and the effects of obviously increasing production and improving the quality can be achieved.

The invention relates to wettable Bacillus methylotrophicus powder and a preparation method and application thereof.The wettable Bacillus methylotrophicus powder is prepared from a strain with the preservation number being CGMCC No.11838 according to the steps of seed activation, seed cultivation, ferment cultivation, drying, compounding and the like.The application of the wettable Bacillus methylotrophicus powder to preparation of medicines for controlling potato common scab is involved.The wettable Bacillus methylotrophicus powder, a microbial agent, is high in biological activity, remarkably effective in inhibition of the potato common scab, good in environmental compatibility, capable of regulating ecosystems of plant microbes, nonhazardous to people and livestock and convenient to use.

The invention discloses a tea-oil tree dwarfing close-planting high-yield afforestation planting method. The method comprises the steps of (1) seed collection, (2) tea-oil tree land preparation, (3) seed soaking, (4) germination acceleration, (5) seed direct sowing, (6) mulching, (7) top dressing management, (8) weeding, (9) soil management, (10) trimming and pruning, and (11) pest and disease control. According to the invention, seed soaking and germination acceleration are carried out before direct sowing, such that direct sowing survival rate can be greatly improved. Seed germination after sowing might be influenced by large amounts of bacteria and viruses in soil, such that seed survival rate can be influenced, and an output reduction might be caused. According to the invention, the soil is subjected to disinfection and sterilization treatments before sowing, such that the above problem is avoided. The invention also provides specific targeted fertilization technologies according to the differences of the growth conditions of the tea-oil tree in various stages. With the method, fertilizer efficiencies can be well performed, and tea-oil tree high yield and vigorous growth purposes can be achieved.

The invention discloses a method for ecological culture of Australia crawfish. The method comprises the following steps of 1 pond selection, 2 pond disinfection, 3 culture water treatment, 4 crawfishlarva stocking, 5 feed feeding and 6 pond management. The culture method is ecological, environmentally friendly, low in investment and cost and convenient to manage, and the obtained Australia crawfish has the advantages of being high in survival rate and growth speed, robust in physique, high in disease resistance and stress resistance and the like.

The invention provides a crop growth environment prediction and regulation method. The method comprises the steps that (A1) crop production environment parameters are collected in advance and a basicdatabase model is established, (A2) a sensor collects production environment data of crop and converges the data to a gateway, wherein the production environment data includes production environment parameters and images of the crop, (A3) the gateway uploads the data to a data middleware module, (A4) the data middleware module stores the data into a message queue and the database through the encoding and decoding, (A5) the database marks the data according to the category, and the data in the message queue is uploaded to the cloud platform, and (A6) the cloud platform cleans the received dataand outputs result by using the basic database model, a difference between the output result and crop production information is obtained, and the basic database model is adjusted according to the difference to obtain a crop growth environment prediction and regulation model. The model is accurate.

The invention relates to an energy-saving reinforced type liquid grinding aid for cement, which comprises the following raw materials in percentage by weight: 5-15% of triethanol amine, 1-10% of sodium tripolyphosphate, 5-10% of aluminum sulfate solution, 3-10% of sodium dodecyl benzene sulfonate, 5-10% of diethylene glycol, 5-10% of sodium acetate and the balance of water. The liquid grinding aid is favorable for not only improving cement production efficiency and cement specific surface area, but also improving cement compression strength and increasing the addition of admixtures. Meanwhile, the invention further discloses a preparation method of the grinding aid.

The invention discloses a grape planting method. The grape planting method comprises the steps of soil loosening, shed frame erection, base fertilizer application, planting, pruning, top dressing, prevention of plant diseases and insect pests and picking. The planting method is safe and free from pollution in the aspects of planting raw materials selection and process method, and conforms to the growth rule of grapes; the nutrient demands of grapes during growing are met, resource waste and land damage caused by excessive use of fertilizers are avoided, and the planting method is environmentally friendly; meanwhile, the grape growth is accelerated, and the aims of increasing yield and increasing income are fulfilled; moreover, mature grapes have the characteristics of low pesticide residue in fruits, high nutrition, bright color, good mouthfeel, better color and more sufficient sugar.

The invention relates to a plant rhizosphere growth promoting bacteria agent production method using streptomycete which comprises, (1) selecting streptomycete bacterial which has antagonistic action to plant pathogeny fungus and can be fixed into the crop rhizosphere soil, using farm and side line products as raw material and fermentation tank for submerged liquid fermentation, (2) subjecting the fermented streptomycete liquid to mixed granulation with solid material, and preparing the end product through low temperature drying.

The invention relates to a planting method for regenerated rice. The method comprises the following steps of 1) seed selection, 2) seed treatment, 3) rice seedling bed selection, 4) field management,5) sowing and seedling cultivating, 6) first-season rice management, 7) regenerated rice management and 8) harvesting. According to the method, the conditions required by benign growth of regeneratedrice are controlled in a targeted mode, not only can the field be reasonably utilized, but also the rice yield of the area suitable for growth of the regenerate rice is increased, reasonable management is conducted in the growth processes of first-season rice and the regenerated rice, the yield of the regenerated rice is effectively increased, the yearly yield of rice is increased, and the effectsof increasing yield and saving labor are achieved. Through measures of preferable seed selection, oil preparation and the like, not only can insects in the field be prevented, but also the antibacterial ability of seeds is enhanced. Treatment liquid used for treating liquid has the germination accelerating effect on the seeds, can inhibit mycete growing on the surfaces of the seeds, and reduce insects to make the seedling survival rate high, and high yield and optimal production of the regenerated rice are ensured.

The invention discloses a corn seed initiator. The corn seed initiator comprises the following components: 15-35% of polyethylene glycol, 0.5-3% of fulvic acid, 0.005-0.05% of 6-benzylaminopurine, 1-3% of bactericide and the balance of water, wherein polyethylene glycol, fulvic acid and 6-benzylaminopurine are used as active components; according to the corn seed initiator prepared by the above components, the initiator is soaked for 12h and is dried at 35 DEG C until reaching the original weight according to the seed-chemical ratio of 1:2, and the initiator has good initiation effect on corn seeds after initiation, the indexes such as the emergence rate, the plant height and fresh weight can be remarkably improved, the initiator is much better than the single dosage and the common initiators in effect, the initiator can be used for corn seeds, the raw materials of the initiator are easily available, and the initiator has low cost and can be prepared conveniently.

The invention provides a method for achieving furnace protection through tuyere titanium injection with utilization of a blast furnace coal injection system. Prepared titanium fine powder with the main components being TiO2 and iron fine powder and the particle size being smaller than or equal to -200 meshes is hoisted and conveyed to a coal distribution bin. The titanium fine powder is added onto a coal feeding belt in batches through a coal feeder at the bin bottom of the coal distribution bin and enters a coal grinding system together with raw coal powder through a coal mill raw coal bin. The titanium fine powder and the raw coal powder enter a coal powder bin after mixed evenly in the coal grinding system. The evenly mixed titanium fine powder and raw coal powder entering the coal powder bin are together injected into a blast furnace through a tuyere by a blast furnace injection system. According to the method, additional equipment is not needed, the titanium fine powder and the coal powder can be mixed evenly through an existing power making coal injection system of the blast furnace, the titanium fine powder is injected into the blast furnace along with the coal powder through the tuyere of the blast furnace by a coal injection gun pertinently and safely in time according to the titanium load requirement needed by furnace protection of the blast furnace, and the furnace protection purpose is achieved.

The invention discloses a compound type amino-acid water-soluble fertilizer for sesame. The compound type amino-acid water-soluble fertilizer mainly contains the ingredients in percentage by weight: 70-78% of amino-acid mother liquor, 20-30% of citric acid, 15-20% of zinc sulfate, 15-20% of ferrous sulfate, 15-20% of magnesium sulfate, 0.2-0.5% of sodium molybdate, 0.2-0.5% of compound glycuronate, 15-20% of potassium dihydrogen phosphate, 15-20% of manganese sulfate, 15-20% of boric acid, 15-20% of sodium nitrophenolate, 0.2-0.5% of brassinolide and 15-20% of fulvic acid. The compound type amino-acid water-soluble fertilizer has the beneficial effects that the requirements of each stage of a sesame growth process on nutrition can be met, the content of protein, fat, lecithin, linoleic acid and vitamins in sesame seeds can be increased, grains can be pure and bright-colored in color and luster, the commodity rate of the sesame seeds is increased, and the aims of yield-increasing and high-yielding are achieved.

The invention discloses a special bioorganic fertilizer for solanaceous fruit vegetables. A preparation method of the bioorganic fertilizer comprises the following steps: adding 0.5% of an organic material decomposition agent to crushed straws and cow dung or chicken manure which are adopted as fermentation organic materials, adding a proper amount of water, uniformly mixing the decomposition agent and water with the organic materials, controlling the water content to be about 60%, and fermenting and decomposing the obtained mixture at natural outdoor temperature for 5-10d to form a primary fertilizer; and adding various nutritional elements, uniformly mixing the elements with the fermented materials, adding 0.4% of a growth promoting composite microbial agent, uniformly mixing all above materials, and granulating or powdering the obtained mixture to form the bioorganic fertilizer. The l bioorganic fertilizer disclosed in the invention solves the disadvantages of simple application of a chemical fertilizer, a common organic fertilizer, farm manure and pure microbial manure, fully combines the growth characteristics and the nutrient demands of the solanaceous fruit vegetables in every stage, considers adjustment of the contradiction between nutrition growth and reproduction growth, is high-efficiency and high-quality bioorganic microbial manure especially suitable for growth of the solanaceous fruit vegetables, and has large application prospect in production and plantation of the solanaceous fruit vegetables.

The invention provides a multi-hydrogen acid composition and application thereof. The multi-hydrogen acid composition consists of the following raw materials in percentage by weight: 6-8% of polyoxalic anhydride, 4-6% of villiaumite, 0.5-1% of high-temperature acidizing corrosion inhibitor, 1-2% of clay stabilizer, 5-10% of clean up additive, 1-2% of demulsifier, 2-5% of mutual solvent and the balance of water. The novel multi-hydrogen acid composition disclosed by the invention consists of polyoxalic anhydride, the villiaumite and the additive; the multi-hydrogen acid composition has strong dissolving capacity on quartz, clay and feldspar, and is capable of effectively improving permeability of a near-wellbore area reservoir and providing an important means for oil well production increase and water well injection increase; polyoxalic anhydride generates carbon dioxide and water after being degraded, so as to avoid environmental pollution.

The invention discloses a cultivation method for intercropping of corn and potatoes, and relates to a cultivation method for intercropping of corn and potatoes. The problem that an existing method forintercropping of corn and potatoes cannot sufficiently utilize optical energy and is low in soil resource utilization rate is solved. The method comprises the steps of 1 soil preparation, 2 seed selection and processing, 3 field arrangement, 4 proper sowing and rational close planting, 5 scientific fertilization, 6 precision management and 7 proper harvesting. Compared with monoculture of corn, the soil organic content is increased by 8.5%, and the soil total nitrogen content is increased by 6.4%; the bacterial community number in surface soil microflora is increased by 15.4%, and the mycorrhiza fungi community is increased by 32.6%. The potato yield is 8,700 kg / hm<2>, the corn yield is 11,395 kg / hm<2>, and the corn and potato total income is increased by 4,590 yuan / hm<2>. The method is applicable to the field of corn and potato planting.

The invention discloses a cultivation method for intercropping of corn and pepper, and relates to a cultivation method for corn and pepper. The problems that the lower middle portion of an existing monoculture corn population is insufficient in illumination and low in solar energy utilization rate, the top of a monoculture pepper population is excessively illuminated, and sunscald is likely to happen are solved. The method comprises the steps of 1 land selection and soil preparation, 2 seed selection and treatment, 3 intercropping mode, 4 pepper seedling raising and seedling management, 5 proper corn sowing and reasonable close planting, 6 proper pepper transplanting, 7 scientific fertilization, 8 precision management and 9 proper harvesting. The relative illumination intensity of the lower middle portion of the corn population is improved by 10.7-43.1% compared with monoculture corn; illumination of the top layer of the pepper population is only 50-60% that of a monocropping pepper population, the yield of fresh pepper is 5,344 kg / hm<2>, the corn yield is 11,642 kg / hm<2>, and the yield is increased by 11.5% compared with monocropping of corn. The method is used for the field of corn and pepper planting.

The invention discloses a sugarcane healthy seedling bud eye seedling and a mechanical transplanting method thereof. The method comprises the following steps of cutting the sugarcane healthy seedlingbub eye from a sugarcane stem, sterilizing, cultivating the bub eye in a seedling tray to grow to 4-5 pieces of true leaves, and then transplanting into fields by machinery. The method can obtain sugarcane seeds while the sugarcane stem is still a whole sugarcane stem, can continue to enter a sugar house for sugar extraction, and greatly save the sugarcane stem; the sugarcane healthy seedling budeye are cut and then subjected to nutrient seedling cultivation and then transplanted by the machinery, sugarcane bud rate and transplant survival rate are high, and the method can quickly get sugarcane seedlings, be suitable for large-scale planting of sugarcane, greatly reduce the cost of sugarcane cultivation and improve the planting efficiency of the sugarcane.

The invention discloses a method for clamping electrodes of an automatic electrode control system of a calcium carbide furnace. According to the requirements of a smelted product and a process of the calcium carbide furnace on voltage, current and power, the numerical value of the current or the power is sent to a computer; a control system of the computer carries out comparison operation on a parameter value detected in real time and a set value, and then sends out a group of instructions to a control relay to drive an electric motor (or a hydraulic oil cylinder) to rotate so as to drive the electrodes to move up and down; and simultaneously, the computer calculates the vertical distance of the electrodes, and when the distance of any two-phase ends of the three-phase electrodes is greater than a given value, the electrodes are clamped. The method has the advantages that the ends of the three-phase electrodes are maintained between two given planes, the three-phase arc length and power are kept basically same, and the aims of improving electric and thermal efficiency, reducing smelting electricity consumption and improving yield are achieved.

The invention relates to a planting method for using interplanting of corn with cabbage and pea to control field non-point source pollution, which includes: interplanting two rows of the cabbage per row of the corn, interplanting one row of the pea after the cabbage is harvested, setting corn row spacing as 150cm and plant spacing as 20cm, setting narrow cabbage row spacing as 60cm, wide row spacing as 90cm and planting spacing as 30cm, and setting pea row spacing as 150cm and plant spacing as 1.2cm; or interplanting four rows of the cabbage per row of the corn, interplanting two rows of the pear after the cabbage is harvested, setting corn row spacing as 270cm and planting spacing as 20cm, setting narrow cabbage row spacing as 60cm, wide row spacing as 90cm and planting spacing as 30cm, and setting narrow pea row spacing as 90cm, wide row spacing as 180cm and plant spacing as 1.2cm. By the method, surface runoff of fields is reduced by 65-69%, loss of total nitrogen is reduced by 71-74%, loss of total phosphate is reduced by 78-83%, output value can reach 4538-4626Yuan / mu, field non-point source pollution is controlled, and ecological environment is protected.

The invention relates to a water-based botanical pesticide containing diosgenin and a preparation method. The raw material components and their weight percentages are composed as follows: 1-40% of diosgenin, 1-10% of wetting and dispersing agent, and 0.1% of antifreeze agent. ~8%, thickener 0.1~2%, preservative 0.1~2%, defoamer 0.01~0.05%, and the rest is water. The botanical pesticide of the invention not only satisfies the enhanced effect of preventing and controlling bacterial angular spot disease of vegetables, but also enhances the resistance of crops, promotes the growth of crops, and achieves the purpose of increasing production and income.