48results about How to "Increase production and efficiency" patented technology

The invention discloses a high-yield planting method for preventing and treating corn stem rot in semi-arid regions, belonging to the technical field of agricultural planting and culturing. The high-yield planting method comprises the following steps: land selection and preparation, seed selection, seed treatment, ridging, base fertilizer application, seeding, drop irrigation, water feeding, weeding, membrane lamination, top application, field management, corn stem rot prevention, harvesting and the like. According to the high-yield planting method, the problem that the seeding emergence rate of corns in the second year is influenced by the total straw application of straws is solved; by processing corn seeds, the emergence rate can be improved by more than or equal to 5%, and the straw turnover in the second year is not influenced; the preventing and treating effect of the corn stem rot reaches more than or equal to 70%; water is saved by more than or equal to 40%, and the corn yield is increased to be 800-1000 kilograms per hectare; adverse factors caused by the ecological environment to the agricultural production are overcome, the traditional agricultural production mode is changed, the unit yield is increased, the yield and the efficiency are increased, and the effects of reducing wind erosion of soil, protecting the environment and improving the drought resisting capacity and the production stability of crops are achieved.

The invention discloses a pollution-free paddy rice planting method. The method comprises the following steps: A, planting milk vetch as green manure in a rice field, and applying a basic manure, wherein 500-800 kg of the basic manure is applied to each mu of the rice field; B, after the rice field is subjected to exposure, performing rotary tillage, ridge separation, irrigation and rice transplanting; C, applying a compound fertilizer to seedlings after the seedlings are inserted; D, grazing 8-15 7-10-day-old ducks to each mu of the rice field after 15-20 days of rice transplanting, evicting the ducks from the rice field after 25-40 days, spraying a biological pesticide, draining for 7-10 days, topdressing 30-100 kg of the compound fertilizer used in the step C to each mu of the rice field, irrigating till the depth of water is 8-10 cm, grazing 5-10 7-10-day-old ducks to each mu of the rice field again, and evicting the ducks from the rice field before 15-20 days of rice mature. According to the pollution-free paddy rice planting method, the yield is high, pollution is avoided, produced rice tastes good, and meanwhile, high-quality duck is obtained.

The invention discloses a method for achieving multiple fruiting of fruit mulberry in one year. The method includes the following steps that 1, the fruit mulberry is cultivated; 2, fertilizer is applied to the fruit mulberry after the fruit mulberry fruits and the fruits are picked; 3, defoliation is conducted on the fruit mulberry; 4, mixed chemicals of hydrogen cyanamide and gibberellin are smeared or sprayed on the fruit mulberry obtained after the defoliation is conducted, secondary fruiting of the fruit mulberry is conducted, and 45-55 mg / L of the gibberellin is applied in a spraying mode at the fruit expanding stage to promote expansion and coloring of fruits; the volume percentage concentration of the hydrogen cyanamide is 2%-5%, and the concentration of the gibberellins is 250-350 mg / L in the mixed chemicals of the hydrogen cyanamide and the gibberellins; fertilizer is applied after the fruit mulberry achieves secondary fruiting and the fruits are picked, and step 3 and step 4 are repeated till multiple fruiting of the fruit mulberry in the same year is achieved. By means of the method, the economic benefits of the fruit mulberry can be remarkably increased, and increasing yield and efficiency are achieved.

The invention discloses a method for planting high-yield organic rice by rice-duck integrated farming. The method comprises the steps of: planting astragalus sinicus in a rice field, carrying out green manuring and adding water for retting, and applying a base fertilizer in 10-25 days according to the amount of 800-1000 kg / mu; exposing the rice field to the sun, rotatably tilling the rice field, separating ridges and carrying out rice transplanting after irrigation; when the roots of the rice seedlings survive, applying a composite fertilizer according to the amount of 20-35 kg / mu; in 12-20 days after rice transplanting, putting in 10-15-day old ducks according to the amount of 5-10 ducks / mu; carrying out field draining in 10-15 days, and additionally applying the base fertilizer in A according to the amount of 100-300 kg / mu; then putting 7-10-day old ducks in the rice field when water is irrigated to 8-10 cm, wherein the inputting amount is 8-15 ducks / mu, taking the ducks back 10-15 days before the rice is mature, and drying the rice field after water-break. The method for planting high-yield organic rice by rice-duck integrated farming disclosed by the invention is high in yield, and the obtained rice is good in organic property, and meanwhile, high quality duck meat can be obtained, so that the economical benefit is improved.

The invention discloses a method for increasing yield of titanium-type agglomerate schreyerite. Weight percentage is taken as basis, and the method comprises the following steps: mixing high-titanium-type vanadium titanium magnet ore concentrate and a binding agent according to the ratio of 97-98% to 2-3%; forming balls with the diameter of 12-16 mm; calcining the balls at the temperature of 400-600 DEG C to obtain acid oxidized calcined balls; using all or part of the acid oxidized calcined balls as end product high-titanium-type agglomerate schreyerite which is used as a backing material; performing material distributing, ignition, and sintering. The method provided by the invention can effectively increase the yield of the titanium-type agglomerate schreyerite, reduce the processing cost, and facilitate yield increase and efficiency increase.

The invention discloses a cultivation method of water-saving irrigation for corn. The method comprises following steps: (1) selecting lands; (2) selecting certified seeds suitable for the local condition; (3) processing seeds; (4) mounding; (5) laying drip irrigation pipes; (6) deep ploughing and conserving water with soil; (7) applying base fertilizer; (8) covering film and sowing; (9) irrigatingand topdressing; (10) reasonably close planting and economically using water; (11) enhancing field management to enhance drought resistance: (a) early thinning and final thinning; (b) intertillage for promoting root; (c) management of fertilizer and water; (d) covering with film and grass; (e) preventing and controlling disease and pests; (10) harvest. The method of the invention improves the unit yield, realizes increasing production and efficiency, and has the functions of reducing soil wind erosion, protecting the environment and improving the drought resistance and stable yield of crops;according to the growth law and nutrient requirement of maize, the planting method, fertilizer application method and field management method of maize were optimized, and the yield of maize was improved obviously.

A paraffin-prevention and viscosity-reduction rectifier of an oil field flowing well is suitable for extracting oil from an oil field high-pressure well, and the long-standing, big and difficult problem that paraffin and scale of a flowing well are scraped and removed through manual work since the beginning of the oil exploitation history is solved. The rectifier is a tubular tool and mounted in the position about one thousand meters under a paraffin-troubled well section of the well. A first-level vortex rectifier body, an impinging stream phase mixing device, a second-level vortex rectifier body, an impact type acoustic oscillator and a third-level vortex rectifier body are mounted in the rectifier from bottom to top, a large-cluster laminar-flow condensed phase state of flowing oil, gas and water can be treated to form a fine-cluster milky eddying turbulence phase state, all heterogeneous components are made to wrap one another, refining, scattering and shielding of paraffin crystals and scale crystals are achieved, the physical state, the physical property, the flow state and the flow speed of produced liquid are optimized, and the phenomenon that the well is blocked by gathered paraffin and scale crystals on the oil tube wall is fundamentally eliminated; and meanwhile, the viscosity of the produced liquid is greatly lowered, the in-well burble procedure is effectively prolonged, manual paraffin and scale scraping and removing are omitted, workover treatment is reduced, oil extraction cost is lowered, and production and efficiency are improved.

The invention provides a compound greenhouse capable of recycling oxygen, carbon dioxide and the like inside. The composite greenhouse is composed of a sun-facing greenhouse body, a shade greenhouse body and a middle wall, wherein the sun-facing greenhouse body is located on the sun-facing side, the shade greenhouse body is located on the shade side; the sun-facing greenhouse body and the shade greenhouse body are connected together through the shared middle wall, the middle wall is provided with two rows of vent holes up and down, and ventilation equipment is installed at the vent holes. Edible mushrooms in the shade greenhouse body generate respiratory heat at night and thus play a role in thermal insulation and temperature increase of the sun-facing greenhouse body, solar radiation heatabsorbed by the sun-facing greenhouse body in the daytime can increase the temperature of the shade greenhouse body, the sun-facing greenhouse body and the shade greenhouse body supplement each otherand can achieve thermal insulation and temperature increase in agricultural production in the greenhouse in winter, and energy is saved. Air fertilizers are supplied, carbon dioxide and oxygen reasonably flow, transform and are reasonably used, metabolism is promoted, the cost is reduced, and the efficiency is greatly improved.

The invention belongs to the technical field of rice planting, in particular to a rice yield increasing planting method which increases the yield through intervarietal mixed cultivation. According to the rice yield increasing planting method, rice varieties with different resistance properties are fully combined to form a stable ecological system suitable for rice to survive, and the high yield of rice is realized through potential maximization. According to the rice yield increasing planting method, rice varieties with similar growth periods, similar agronomic traits and different resistance properties are selected for raise rice seedlings, and then the rice seedlings are mechanically transplanted at the same period. The different resistance properties of the rice varieties interact to give full play to the production potential of all the rice varieties; meanwhile, a three-dimensional community is built, so that stability of a field ecological system is improved, common diseases, pests and weeds are effectively controlled without applying pesticides or applying a small number of pesticides, and green production of rice is realized.

The invention provides a small double-row staggered density-increasing planting method for corn. Corn is planted in small double rows of about 10 cm in the same corn seeding strip. The small double-row seeding mode can be modified in seeding row spacing in existing production, with the equal row spacing of 60 cm being a basic planting mode, two small double-row unit modes of (10+50)+(10+50) and (10+40+10)+(60) can be formed, and with the width of 40 cm+80 cm being a basic mode, two different unit modes of (10+30)+(10+70) and (10+20+10)+(80) can be formed. Compared with corresponding basic planting modes, small double-row planting generally makes the density increased by 500 plants / mu to 800 plants / mu. A special seeding unit is adopted for seeding in the small double rows, deep-layer fertilization is performed between the two small double rows to form V-type distribution with the seeds in the small double rows, and after seeding, double-wheel seed pressing and wide-ridge soil-covering pressing are performed. According to small double-row staggered density-increasing planting, the density can be increased, the carrying capacity of colonies can be increased, and the small double-row staggered density-increasing planting method for corn can adapt to large-area mechanized operation.

The invention relates to a preparation method of a leaf fertilizer of rice. The preparation method comprises the following steps: selecting Daping #2 of Eisenia fetida; placing the Eisenia fetida in an oscillator to oscillate; placing the Eisenia fetida in clean water to soak; and stirring the Eisenia fetida to obtain the supernate as the leaf fertilizer of rice. The preparation method provided by the invention overcomes the defect that existing almost leaf fertilizers of rice are compounded by chemical fertilizers and a small quantity of leaf fertilizers are compounded by chemical fertilizers and organic fertilizers, and existing biological organic fertilizers are high in preparation requirement and high in using cost. According to the preparation method provided by the invention, by using naturally growing earthworms, organic nutritional components in the earthworms are extracted through a simple physical method. Production and efficiency of rice are realized through foliage spray, thereby representing the production purpose of a biological, natural, environment-friendly and organic product and providing a technical line for producing green and organic rice in the true sense. The commodity value of rice: the head rice rate is improved by 8%, the rice yield is improved by 12.5% and the rice uniformity is enhanced by 21%, and about ***yuan can be increased per hectare.

The invention discloses a method for increasing the content of ginsenoside Re in panax notoginsen cultivation. The method includes that 2-10 days before harvesting of panax notoginseng, panax notoginseng plants are alternatively sprayed with a methyl jasmonate solution and a salicylic acid solution. Leaves of the panax notoginseng are alternatively sprayed with the methyl jasmonate solution and the salicylic acid solution before harvesting of the panax notoginseng, high expression of key enzyme genes of ginsenoside Re metabolism in panax notoginseng cultivation is induced, and the content of the ginsenoside Re can be rapidly increased in the short term.

The invention discloses a method for planting dry-land Brassica napus by using mulching film corn residual films, which is characterized in that the residual films are reserved after mulching film corns are harvested, and the Brassica napus is dibbled by using broken films according to the original specifications, i.e. the ridge width being 1.0m to 1.2m and the ridge spacing being 0.3m to 0.5m, the row spacing being 20cm to 23cm, the plant spacing being 25cm to 30cm, 0.2kg to 0.3kg of seeds per mu land and 5 to 8 grains per pit; when 3 to 5 main leaves grow from the Brassica napus, final singling of seedlings is completed at one step, two seedlings per pit are left and the density is controlled to be 18000 to 20000 plants per mu; and when 6 to 8 main leaves grow from the Brassica napus, the residual films are uncovered, intertillage soil loosing is conducted in combination with application of 8kg to 10kg of urea to promote the seedlings and the soil among ridges is lifted up to the ridges for planting the Brassica napus. By reusing the residual films, the method effectively solves the problems of insufficient soil moisture, low ground temperature, uneven emerged seedlings, poor seedling growth and high field management labor input from the sowing to the stage of the dry-land Brassica napus with 8 main leaves, realizes the tillage-free and drought-resistant cultivation of the Brassica napus, and achieves the goals of cultivating strong seedlings, saving the cost and increasing the efficiency during Brassica napus production.

The invention discloses a soda saline soil comprehensive fertilization conditioner and a soil improvement method thereof. The conditioner comprises an inorganic fertilizer, an organic fertilizer, a microbial agent and decomposed straw which are matched for use; the inorganic fertilizer comprises nitrate nitrogen, monopotassium phosphate, humic acid, mineral fulvic acid, amino acid, bagasse, charcoal and calcium sulfate; and the microbial agent comprises bacillus subtilis, bacillus megatherium, halophilic and halophilic bacteria and saccharomycetes. The invention provides a comprehensive fertilization conditioning and improving technology aiming at the three problems of thin, dead and thick saline-alkali soil, and the conditioner can obviously enhance the ion exchange capacity of soil, increase the content of available nutrients and slow-release nutrients of the soil, increase the air permeability of the soil, reduce the pH value of the soil, activate the microbial activity of the soil and improve the drought resistance of the soil and crops; and the conditioner disclosed by the invention is a multifunctional saline soil improvement fertilizer with balanced nutrients, can continuously improve soil and improve soil fertility, and realizes yield increase and efficiency increase of agricultural products.

The invention discloses a planting method of intercropping potatoes overturning and mulching common vetch. The planting method mainly includes: planting two rows of the potatoes on the ridge when ridging is performed on the field where the potatoes are to be planted; meanwhile, sowing three rows of the common vetch in the ridge trench, wherein the sowing time of the common vetch is about April 30,the same as that of the potatoes; pouring water once a week before sowing to ensure the condition of sowing; performing intertillage and soil cultivating on the potatoes in early July, meanwhile crushing and overturning the common vetch, and improving the soil fertility, wherein at this time, the potatoes are at flowering stage, the growth is unaffected, and soil cultivation is beneficial to potato tuber formation and starch accumulation. The common vetch is a high-quality crop, can be used as a feed to feed livestock, and is beneficial to the development of animal husbandry, and the yield ofthe planted potatoes is high; the high-efficiency three-dimensional planting method is for unreasonable research and development of potato continuous-cropping obstacles and water management in the northern and pastoral region of the north, has the effects of fertilizing soil and improving the utilization rate of farmland light, heat, water and soil nutrient resources, and can solve the contradiction between forage and grain in the ecotone of agriculture and animal husbandry.

The invention relates to a combined treatment method for regenerated high-concentration salt wastewater of a sodium ion exchanger, wherein the method is used for treating the regenerated high-concentration salt wastewater generated in the regeneration process of the sodium ion exchanger, and magnesium ions are separated by adopting a chemical precipitation method to obtain a magnesium hydroxide product; and calcium chloride and sodium chloride are separated by adopting a nanofiltration method, a calcium chloride solution can be used for spraying sinter ore in a sintering section, and the calcium chloride solution does not need to be evaporated and dried to prepare a solid in the process, so that the energy consumption is reduced. A sodium ion exchanger and a reverse osmosis method are adopted to separate calcium chloride, and sodium chloride is purified and concentrated, so that the obtained sodium chloride solution reaches the standard of a regenerant of the sodium ion exchanger to recycle sodium chloride in wastewater, and reverse osmosis permeate water generates reusable demineralized water; the economic investment is reduced while the regenerated high-concentration salt wastewater is reasonably and efficiently utilized, and the yield and efficiency are increased.

The invention discloses a drip irrigation system for quantitatively irrigating red globe grapes by utilizing fish pond wastewater and belongs to the technical field of agricultural irrigation. According to the drip irrigation system, by organically combining waste fish pond wastewater resources with drip irrigation, a red globe grape orchard is irrigated while waste fish pond wastewater is turned to wealth; and the dripping speed is intelligently regulated according to different temperatures and humidity, so that water is obviously saved, running is stable, performance is reliable, the irrigation condition of the red globe grapes is effectively improved, the application effects that water and fertilizers for irrigating the red globe grapes are saved, and the labor force is reduced are greatly exerted, the quality of the red globe grapes is improved, the yield of the red globe grapes is increased, and production and efficiency increase of the red globe grapes are realized.

The invention discloses preparation and application methods of a special selenium-enriched nutrient fertilizer for tetrastigma hemsleyanum. The preparation method uses waste stem leaves obtained in the process of artificial planting and processing of the tetrastigma hemsleyanum, sugar, seaweed, sea trash fish meal and whole wild tetrastigma hemsleyanum plants and water as raw materials, seal fermentation is performed to obtain a base liquid, and a specific ratio of alpha-naphthalene acetic acid, water-soluble chitosan, a selenium-rich nutrient solution and casein hydrolysate which are favorable for promoting the growth and development of the tetrastigma hemsleyanum are added into the base liquid, and therefore the special selenium-enriched nutrient fertilizer for the tetrastigma hemsleyanum is prepared; the nutrient fertilizer has a high selenium content, rich nutrients and no chemical fertilizers, contains specific symbiotic bacteria of roots of the whole wild tetrastigma hemsleyanumplants, is in line with the nutrient absorption and growth characteristics of the tetrastigma hemsleyanum, can promote growth of the tetrastigma hemsleyanum plants and greatly increase the yield and the content of medicinal active ingredients of the tetrastigma hemsleyanum, and makes the tetrastigma hemsleyanum rich in selenium, thereby realizing production and efficiency increase of the tetrastigma hemsleyanum; and the preparation and application methods disclosed by the invention are simple and practical, and have strong operability and low costs, thereby facilitating practical promotion andapplication.

The invention relates to a process method for solving casing deformation of a gypsum-salt layer segment. The process method comprises the following steps of expanding a gypsum-salt layer and the wellbore diameters of well sections at certain distances up and down by means of an underreamer after finishing drilling of this open time; separately obtaining annular volumes formed by the well section below the gypsum-salt layer and the well section above the gypsum-salt layer and a this open time casing; tripping a pipe string of the casing in a shaft bottom, wherein a classifying hoop and an expansion packer on the pipe string are located 20 m above the gypsum-salt layer; carrying out primary well cementation; injecting cement slurry of corresponding annular volume into a space between the well section below the gypsum-salt layer and the this open time casing; carrying out secondary well cementation; injecting cement slurry of corresponding annular volume into a space between the well section above the gypsum-salt layer and the this open time casing; and freezing the cement slurry, wherein the gypsum-salt layer segment is in a non-sealed state, so that inhomogeneous stress of a stratumis released.

The invention belongs to the technical field of fertilizers, and particularly relates to an organic fertilizer for improving ratoon stunting disease resistance of sugarcane and a preparation method ofthe organic fertilizer. According to the organic fertilizer for improving the ratoon stunting disease resistance of the sugarcane, fermentation raw materials of the organic fertilizer comprise crop straw and rice bran, and zymophyte koji of the organic fertilizer is composed of paecilomyces lilacinus, saccharomycetes and trichoderma viride; 2-5 kg of the zymophyte koji is prepared for each ton ofcrop straw. The paecilomyces lilacinus, the saccharomycetes and the trichoderma viride are mixed to prepare the zymophyte koji, and the rice bran is added into the fermented crop straw, so that the prepared organic fertilizer improves the soil fertility, well prevents and treats the ratoon stunting disease of the sugarcane, solves the continuous cropping obstacle of the sugarcane, and ensures thesustainability of sugarcane production.

The invention relates to a method for planting radix tetrastigme under the crown, which is capable of improving yield and selenium content. The method comprises the steps of forest land selection, seedling selection, seedling raising, transplanting, daily management, pest control and harvesting management. In the steps of seedling selection and seedling raising, a cuttage propagation method is adopted, a 3-5-year-old wild radix tetrastigme is excavated from March to June each year, branches with no disease, robust growth and axillary buds are selected, and are cut into scions which have lengthof 10 cm and have two tender axillary bud segments, oblique lower cuts of the scions are wrapped in a greenhouse by a first matrix rich in culture solution, the scions are cultured for 10-15 days, and roots of radix tetrastigme seedlings are dropwise added with a culture solution three times in the morning, at noon and in the evening; then the seedlings are transferred into a second matrix for culturing for 30-40 days; and finally, the seedlings are transplanted to a selected forest land, the transplanting plant spacing is 10-15 cm, and rhizoma chuanxiong, honeysuckle and artemisia argyi areplanted in intervals among the seedlings in a scattered manner. According to the method, growth of the radix tetrastigme can be promoted, the yield of the radix tetrastigme and the content of medicinal active ingredients are greatly improved, and the radix tetrastigme is rich in selenium, so that yield improvement and efficiency improvement of the radix tetrastigme are realized.

The invention discloses a method for improving the purslane seed yield. The key technology of the method is that purslane seeds are sowed in a rotatable specific device; during a squaring period, purslane plants are adjusted such that an angle between the purslane main stems and the horizontal plane is 40-50 degrees; and after 5 days, the angle between the purslane main stems and the horizontal plane is adjusted to 0-15 degrees. Therefore, the apical dominance influence to lateral branches is reduced. Lateral floral organs can develop normally, and a mature period can be kept consistent. With the implementation of the method, the purslane seed yield can be increased by 35-40%; seed harvesting frequency can be reduced; and purslane seed production efficiency can be improved.

The invention discloses a control valve. The control valve comprises a valve seat, wherein a channel allowing a medium to flow is arranged in the valve seat, a main valve body and an auxiliary valve body are sequentially arranged in the valve seat in the medium flow direction, the main valve body is used for completely opening or completely closing the channel, the auxiliary valve body is used foradjusting the opening degree of the channel, the auxiliary valve body is a sliding plate capable of reciprocating in the radial direction of the channel, the surface of the sliding plate is divided into an open hole region and a non-open hole region, and the reciprocating sliding plate can adjust the opening degree of the channel through the change of the position relationship between the open hole region and the non-open hole region and the channel. The control valve can ensure stable pipeline pressure to a great extent to achieve normal production.

The invention relates to the technical field of wax forming, in particular to on-line continuous automatic cleaning device and method for wax disks during blocky wax continuous forming production running. A hot air storage tank is connected to a hot air inlet; a hot air pipeline is arranged in a hot air tank; a plurality of hot air blowing units are arranged on the hot air pipeline; a hot air exhaust fan is connected onto the hot air tank and is connected to the hot air storage tank; a purified air pipeline is arranged in a tank of a cooling mechanism; a purified air storage tank is connectedto a purified air inlet of the purified air pipeline; a plurality of purified air blowing units are arranged on the purified air pipeline; a purified air outlet is formed in the cooling tank and is connected to a cooled air exhaust fan; the cooled air exhaust fan is connected to the purified air storage tank; and a wax disk conveying device sequentially penetrates through the hot air tank and thetank of the cooling mechanism from an inlet of the hot air tank and penetrates out from an outlet of the tank of the cooling mechanism. According to the on-line continuous automatic cleaning device and method for the wax disks provided by the invention, continuous, normal and efficient running is maintained when material liquid wax species or brands are replaced arbitrarily during the blocky wax continuous forming machine production process.

The invention discloses a method for planting dry-land Brassica napus by using mulching film corn residual films, which is characterized in that the residual films are reserved after mulching film corns are harvested, and the Brassica napus is dibbled by using broken films according to the original specifications, i.e. the ridge width being 1.0m to 1.2m and the ridge spacing being 0.3m to 0.5m, the row spacing being 20cm to 23cm, the plant spacing being 25cm to 30cm, 0.2kg to 0.3kg of seeds per mu land and 5 to 8 grains per pit; when 3 to 5 main leaves grow from the Brassica napus, final singling of seedlings is completed at one step, two seedlings per pit are left and the density is controlled to be 18000 to 20000 plants per mu; and when 6 to 8 main leaves grow from the Brassica napus, the residual films are uncovered, intertillage soil loosing is conducted in combination with application of 8kg to 10kg of urea to promote the seedlings and the soil among ridges is lifted up to the ridges for planting the Brassica napus. By reusing the residual films, the method effectively solves the problems of insufficient soil moisture, low ground temperature, uneven emerged seedlings, poor seedling growth and high field management labor input from the sowing to the stage of the dry-land Brassica napus with 8 main leaves, realizes the tillage-free and drought-resistant cultivation of the Brassica napus, and achieves the goals of cultivating strong seedlings, saving the cost and increasing the efficiency during Brassica napus production.

The invention discloses a method for planting high-yield organic rice by rice-duck integrated farming. The method comprises the steps of: planting astragalus sinicus in a rice field, carrying out green manuring and adding water for retting, and applying a base fertilizer in 10-25 days according to the amount of 800-1000 kg / mu; exposing the rice field to the sun, rotatably tilling the rice field, separating ridges and carrying out rice transplanting after irrigation; when the roots of the rice seedlings survive, applying a composite fertilizer according to the amount of 20-35 kg / mu; in 12-20 days after rice transplanting, putting in 10-15-day old ducks according to the amount of 5-10 ducks / mu; carrying out field draining in 10-15 days, and additionally applying the base fertilizer in A according to the amount of 100-300 kg / mu; then putting 7-10-day old ducks in the rice field when water is irrigated to 8-10 cm, wherein the inputting amount is 8-15 ducks / mu, taking the ducks back 10-15 days before the rice is mature, and drying the rice field after water-break. The method for planting high-yield organic rice by rice-duck integrated farming disclosed by the invention is high in yield, and the obtained rice is good in organic property, and meanwhile, high quality duck meat can be obtained, so that the economical benefit is improved.

The invention discloses a soil activation type microbial fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The fertilizer is prepared from the following raw materials in parts by weight: 100-200 parts of humic acid, 80-120 parts of furfural residues, 80-120 parts of soybean meal, 20-50 parts of charcoal, 10-20 parts of urea, 5-10 parts of monoammonium phosphate, 10-20 parts of potassium sulfate, 5-10 parts of potassium pyrophosphate, 1-3 parts of medium trace elements, 1-3 parts of a compound microbial agent, 5-10 parts of water retention gel and 0.5-1.5 parts of an accelerant. The humic acid, the biochar and other substances are used as main raw materials, so that the use amount of inorganic fertilizer is reduced; the composite microbial agent and the water-retaining gel are added, the raw materials interact with one another to jointly achieve crop yield and efficiency increase, meanwhile, soil phosphatase and microbial activity are greatly improved, the soil ecological environment is improved, soil recycling is promoted, and sustainable development of agriculture is achieved.

The invention belongs to the technical field of water-soluble fertilizers, and particularly relates to a high-nitrogen water-soluble fertilizer for topdressing before flowering as well as a preparation method and application thereof. The high-nitrogen-containing water-soluble fertilizer comprises the following raw material components by weight: 700 to 750 parts of citrus processing waste fermentation liquor, 150 to 155 parts of monopotassium phosphate, 80 to 85 parts of sodium nitrate, 200 to 230 parts of urea, 26 to 30 parts of water-soluble phosphorus pentoxide, 7 to 9 parts of sodium hydroxide, 80 to 120 parts of potassium humate, 5 to 11 parts of an emulsifier, 5 to 11 parts of a scale remover and 1 to 2 parts of a synergist. The high-nitrogen water-soluble fertilizer based on the citrus processing waste fermentation liquor does not flocculate or crystallize and separate out at low temperature after being placed for a long time, promotes the growth and development of crops, and improves the absorption and utilization of nutrients. The humic acid-containing high-nitrogen water-soluble fertilizer has the advantages of simple preparation process, low cost and suitability for rapid and large-scale production, can improve nutrient absorption when being used for topdressing before flowering in the early stage of crop growth, is beneficial to stem and leaf growth, promotes photosynthesis, and realizes yield increase and efficiency improvement.

The invention relates to a method and a device system for purifying and recycling waste alcohol in high-carbon alcohol production, wherein the method comprises the steps: respectively carrying out rectification purification on a first mixture after primary hydrogenation separation and a second mixture after secondary hydrogenation separation under specific conditions, and carrying out hydrogenation on a purified solution obtained by rectification purification to obtain high-carbon alcohol. According to the device system, only two rectification purification towers are additionally arranged on the basis of an original high-carbon alcohol production system; and the method provided by the invention can realize purification and recycling of waste alcohol, reduces discharge of high-carbon alcohol waste liquid, and has the advantages of yield increase and efficiency improvement.