386results about How to "Raise the ground temperature" patented technology

The invention relates to a charcoal-based organic fertilizer and a preparation method thereof. The charcoal-based organic fertilizer has the advantages of low cost, environment friendliness, good fertilizer efficiency, wide application range, high fertilizer efficiency utilization rate and pest prevention. The preparation method comprises the steps as follows: adding starter cultures to chicken manure and soybean meal respectively for fermentation, after drying, crushing and mixing crop-residue-derived carbon, the treated chicken manure and soybean meal with ground phosphate rock, adding wood vinegar to the mixture with stirring, performing granulation, and obtaining the charcoal-based organic fertilizer after cooling and drying.

The invention relates to the field of agricultural chemistry, in particular relates to a carbon-based controlled-release fertilizer special for potato and a preparation method thereof. The environment-friendly efficient carbon-based controlled-release fertilizer special for the potato is a long-acting granular-carbon-based compound fertilizer which is prepared from waste agriculture and forestry biomasses such as corn core, peanut shell, rice shell, edible fungi substrate and the like, wherein the biological granular carbon is black carbon powder granules (carbon black) which is formed by imperfect combustion of biomasses under anaerobic condition and has various features similar to those of soil humus (acid); and the biological granular carbon has strong capabilities of absorbing and retaining nutrition and moisture, can stimulate growth of crops and has good controlled-release effect on NPK, thus the prepared controlled-release fertilizer only needs to be applied once in the full growth and development period of potatoes, has the characteristics of increasing soil fertility, improving soil structure and the like, is efficient and environment-friendly, and has a wide application prospect.

The invention provides a microbial fertilizer for improving saline alkali soil. The microbial fertilizer comprises the following raw materials in parts by weight: 45-55 parts of turf, 25-35 parts of Angel yeast residues, 5-15 parts of monoammonium phosphate, 5-15 parts of ammonium sulfate and 1-3 parts of a complex microbial inoculant. According to the microbial fertilizer provided by the invention, the microbial flora is in mutual promotion with organic matters and inorganic matters, the components supplement one another, the effective living bacteria count is not less than 50million per gram, the content of the organic matters is not less than 55 percent, the total nutrient is not less than 11 percent, the content of ammonium nitrogen is not less than 4 percent, the content of P2O5 is not less than 4 percent, the content of K2O is not less than 3 percent, and the pH value is 5.5-6.0. Under the co-actions of the components, the effects of rapidly reducing the soil salinity and alkalinity and increasing the content of organic matters, available phosphorus and ammonium nitrogen are achieved, and the conditions that the granular structure of the soil is poor, the soil permeability is reduced and the activity of the microbial flora is inhibited are improved.

The invention discloses an enzyme microbial organic fertilizer and a preparation method thereof. The enzyme microbial organic fertilizer comprises the following components of 40t of fowl manure, 14t of pig manure, 5t of albumen powder, 5t of Chinese wood oil, 10t of peat, 15t of straw powder, 3t of urea, 5t of monoammonium phosphate, 2t of potassium sulfate, 1t of enzyme element expanding agent, 0.2t of rice bran, 0.2t of red sugar and 0.1t of trace elements. The enzyme microbial organic fertilizer can ensure high natural soil building active bacteria, is used for loosening the soil, forms a crumble structure for achieving the effect of remaining water and fertilizing soil, improves the soil, ensures that the root system of crops is developed, can increase the yield and the income, improves the quality of the crops, and is a prophase guarantee of the sustainable development ecological agriculture. Meanwhile, the enzyme microbial organic fertilizer is suitable for a base fertilizer or additional fertilizer of various crops, fruits and vegetables, has remarkable effects of lowering the plant diseases and insect pests and resisting the droop, and is an ecotype environmental-friendly fertilizer for producing organic foods.

An environmental protection type high efficiency corn special charcoal base slow-release fertilizer of the invention is a long-action compound fertilizer using organic corn cob particle charcoal as substrate material, corn cob particle charcoal are black charcoal powder particles (carbon black) of anaerobic incomplete combustion corn cob, which has a plurality of functions similar to soil humus (acid), has very strong adsorption and nutrient and moisture reserving capacity, also can stimulate crop growth, has good slow-release performance for N, P, K, the prepared disposable slow-release fertilizer can be used for complete growth and development of corn, and has advantages of increasing fertility of farmland, improvement soil structure and high efficiency environmental protection, has wide application prospect.

The invention provides a soil ventilation improving synergist containing iron tailings and a preparation method thereof. The soil ventilation improving synergist comprises, by weight, 1 part of tailings, 0.01-0.1 part of crop straws and 0.01-0.1 part of polyvinyl alcohol. After the soil ventilation improving synergist is added into the soil, soil trace elements can be added, soil aggregate is increased, porosity of the soil is increased, soil ventilation is improved, and improvement of activity of microorganisms and enzyme in the soil is promoted. Hydroxyl on a polyvinyl alcohol high molecular chain on the surface of a tailings particle can be attached to soil particles, and soil aggregate and fine pores of the soil are further increased. Crop straw particles processed through decomposing can improve a biochemical property of cohesive soil, provides abundant organic substances for the soil, stimulates the microorganisms in the soil to grow and move, and improves fertilizer retaining and fertility improving capacity of the soil. The soil ventilation improving synergist is low in cost, simple in preparation process, favorable for popularizing. Simultaneously, double effects of chemical modification and physical modification are achieved simultaneously, and the effects are remarkable.

The invention relates to a filed track, comprising primary tracks and auxiliary tracks, wherein, the primary tracks are a plurality of longitudinal tracks which are arranged in parallel at the filed with equal row space, the auxiliary tracks are a plurality of tracks which are arranged at the two ends of the filed in parallel, and the end face distances of the auxiliary tracks and the primary tracks are constant; shifters are arranged at the auxiliary tracks, the bottom of each shifter is provided with shifting wheels capable of traveling on the auxiliary tracks, and the upper part of each shifter is provided with a transitional track which is in butted joint with the primary tracks; the height of the transitional tracks is equal to the height of the primary tracks, and the structure of the transitional tracks is the same as the structure of the primary structure. The invention also provides a production operation mainframe capable of operating on the field tracks and a water spray type watering machine. A bracket type agricultural manufacturing machine mainframe is formed by arranging various functional machines at the production operation mainframe scientifically and reasonably. The water machine has even and dense water amount, thereby avoiding the defects that the growth of crops is affected by decreased temperature of the ground, and fertilizer leaks and is lost with the water and can not be absorbed by crops due to broad irrigation.

The invention discloses a multi-effect soil conditioner and a preparation method of the multi-effect soil conditioner. The multi-effect soil conditioner comprises the raw materials, by weight, 600-740 parts of organic solid waste, 150-210 parts of flyash and 110-190 parts of polyamino acid superabsorbent. The 600-740 parts of the organic solid waste, the 150-210 parts of the flyash and the 110-190 parts of the polyamino acid superabsorbent are mixed sufficiently and dried to granulate. The soil conditioner has various advantages of being water-holding and fertilizer-saving, and increasing plant soil nutrient and improving soil physico-chemical property and the like. The soil conditioner can be applied to various qualitative soils and play a crucial role in restoring special soils such as high level of fluoride soil and clayey soil, and also play a crucial role in wind prevention and sand fixation.

The invention discloses a compound fertilizer special for flue-cured tobacco, which belongs to the field of fertilizers. The compound fertilizer comprises the following components in percentage by mass: 31.34-32.40 percent of organic substance, 64.46-65.34 percent of inorganic fertilizer and 2.93-3.88 percent of trace element, wherein the organic substance comprises four kinds of farm fertilizer,such as chicken manure, pig manure, cow manure and oil cake. The compound fertilizer is prepared by fermenting, drying and pulverizing treatment. The compound fertilizer which is suitable for the flue-cured tobacco variety is researched according to the fertilizer demanding rule of cigarette 103 in the flue-cured tobacco variety represented in the Luzhou cigarette area; on one hand, the tobacco leaf yield can be increased and the tobacco leaf quality is improved, the income is increased and the production investment can be reduced; on the other hand, the pollution of fertilizer loss to the environment can be reduced. After the organic and inorganic compound fertilizer is applied to the soil, beneficial microorganisms in the soil can be rapidly activated and bred, nutrient substances unabsorbed by the flue-cured tobacco are changed into absorbable nutrient substances, and the fertilizer effect is durable; meanwhile, the invention has the effects of improving soil ground temperature andsoil and increasing both production and income of the tobacco.

The invention mainly relates to a covering cultivation method for mulching films, in particular to a covering cultivation method for biodegradable mulching films in a semi-arid region. The covering cultivation method is mainly characterized by comprising the following steps of 1, designing in fields, 2, tidying land, ridging and flattening the ground 3, fertilizing, 4, covering the biodegradable mulching films, 5, sowing, 6, managing in the fields, 7, harvesting, and 8, ploughing and burying mulching film residues into soil at the depth of 20-30cm instead of collecting the mulching film residues after the crops are harvested. The land tidying and ridging are carried out 7 days before crops are sowed, the covering tension of the biodegradable mulching films is 1 / 6 to 1 / 8 of the tension of ordinary mulching films, the biodegradable mulching films are 3-5mm away from the ground, and the biodegradable mulching films are covered 7 days before sowing. The covering cultivation method has the advantages that due to the fact that the biodegradable mulching films have high air tightness, the covered mulching films can reduce soil moisture evaporation and increase land temperature, can increase soil moisture, accelerates crop growth and development, and improves crop yield. Compared with traditional cultivation (covering-free convection planting), a maturation stage of crops covered by the biodegradable mulching films can be brought 7-10 days forwards, and the crop yield and the moisture utilization rate can be respectively improved by 1-58% and 14-45%.

The invention relates to a container culture medium prepared from edible fungi residue and a production method thereof, and the container culture medium comprises the edible fungi residue. The container culture medium comprises the following raw materials and auxiliary raw materials in naturally stacked parts by volume: 50-60 parts of the edible fungi residue, 30-70 parts of grass carbon, 0.8-1.2 parts of vermiculite, 0.3-0.7 part of pearlite, 5-20 parts of cake fertilizer, and 2-4 parts of mineral fertilizer. Wood chips, wheat bran, residual mycelia and other larger particles are contained in the edible fungi residue, thereby having higher air porosity and good water retention property and permeability, being more conductive to growth of a plant root system, creating a good rooting zone environment for growth of crops and providing a large number of nutrients for the crops; and the supply of the edible fungi residue is sufficient, and the material can be got from local resources, thereby reducing the production cost of the container culture medium to the maximal extent.

The invention relates to a greenhouse energy source comprehensively utilizing system, in particular to a system for comprehensively utilizing energy sources in a greenhouse and belongs to the technical field of the greenhouse. The system is suitable for being used under the conditions of temperature difference between day and night, low temperature in winter and continuous overcast and rainy seasons and mainly improves various energy source utilizing efficiency of the greenhouse through various energy source utilizing technologies. The system for comprehensively utilizing energy sources in the greenhouse comprises a solar heat collecting system, an underground heat storage system, an efficient heat exchange system, a control system, an underground cooling system, a fluid infusion water tank, a circulating pump, a fan and a heat storage tank body. The system remarkably improves the greenhouse energy source utilizing rate by combining a solar energy utilizing technology, a heat exchange technology and a heat storage technology in greenhouse warming, has great technological and economic advantages, can maintain appropriate soil temperature required by plant root systems and ensure the requirement of greenhouse plants to the house temperature, can enable crops to rapidly grow and being high in yield, high in quality and benefit, improves the solar energy utilizing rate of an existing greenhouse, reduces existing energy consumption and production cost, prolongs a production period, and has high economic and social benefits.

The invention discloses an industrial sludge treatment method and a method for preparing various fertilizers by using the treated industrial sludge. The industrial sludge treatment method comprises the following steps of: after industrial sludge is diluted, adding a heavy metal ion capturing and precipitating agent DTCR and reacting the agent with heavy metal ions in waste solution so as to generate water-insoluble chelated salt; adding a polyacrylamide flocculating agent to ensure that the chelated salt forms flocculent precipitates; and removing the flocculent precipitates to obtain sludge water, and adding potato water into the sludge water to ferment the sludge. The method for preparing various fertilizers by using the treated industrial sludge comprises the following steps of: preparing a powdery biological bacterial fertilizer by taking the sludge water obtained from the treated sludge as a raw material; and preparing a granular organic fertilizer and a fertilizer for changing saline and alkaline lands into fertile farmlands by taking the powdery biological bacterial fertilizer as a raw material. The industrial sludge treatment method has low cost and does not cause secondary pollution to the environment. The biological bacterial fertilizer and the granular organic fertilizer which are produced by the invention are used in lands of various areas, the yield is improved by 15 to 20 percent; and the fertilizer for improving the saline and alkaline lands has extremely obvious saline and alkaline transformation effect.

The invention discloses a liquid bacterial agent for rooting, which comprises the following raw materials by weight parts: 20-80 parts of concentrated amino acid fermented liquid, 15-30 parts of urea, 5-20 parts of potassium fulvic acid, 10-20 parts of alginic acid, 5-15 parts of chitosan, 10-30 parts of bacillus subtilis, 5-20 parts of Alpha-pimacol, 10-35 parts of sodium nitrophenolate, 1-4 parts of indole butyric acid potassium, 5-15 parts of 5-nitrate and 10-20 parts of calcium nitrate. According to the invention, the liquid bacterial agent contains various high-activity strains including bacillus laterospor, bacillus licheniformis, bacillus subtilis and the like and dozens of high-purity nutritional ingredients. The liquid bacterial agent has super strong activity, and can quickly reach nutrient deficiency parts and bacteria infection parts of crops after being used so as to quickly complement the deficient elements, and can split mycelium and spore and remove soil-borne diseases so as to allow the crops to be quickly back to health. The liquid bacterial agent has the advantages of good water solubility, strong absorption ability, non-public hazard, no residue and no volatility after being used, and can not cause poison damage for the crops in the greenhouse.

The invention discloses a special sustained-release fertilizer for watermelons by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from corn cob, peanut hulls, rice hulls, edible fungus substrate and other agricultural waste biomasses is used as a matrix material, and is compounded with nitrogen, phosphor, potassium and other nutritional elements which are necessary to growth and development of watermelon by utilizing the microporosity and strong adsorptivity of the granular carbon to prepare the granular-biomass-carbon-based special sustained-release fertilizer for the watermelons. The biomass granular carbon used in the invention is black biomass granular carbon particles formed after agriculture waste biomass is incompletely combusted in a low-oxygen condition, has multiple properties similar to soil humus, has strong capacities of adsorbing and maintaining nutrition and moisture, and can be used for stimulating crop growth with good sustained release performance to nitrogen, phosphor and potassium, so that the requirement of watermelons for nutritions in the whole growing period can be effectively supplied when the prepared sustained release fertilizer is applied once. Furthermore, the fertilizer has the characteristics of increasing the soil productivity, improving the soil structure along with high efficiency and environmental friendliness and the like, and is advantageous to large-scale popularization and application in watermelon production.

The invention discloses an intercropping cultivation method of corn and rice beans, and relates to a cultivation method of the corn and the rice beans. The invention aims to solve the problems that accumulated temperature of a high latitude area in northeast is insufficient, the growth period is short, the yield and plant benefit are low, and the farming enthusiasm of peasant is poor under an existing planting pattern. The intercropping cultivation method comprises the steps of 1, plowing in autumn, harrowing and careful soil preparation; 2, selection of improved varieties; 3, seed treatment; 4, timely sowing and reasonable close planting; 5, field layout of intercropping cultivation method of the corn and the rice beans; 6, scientific field management; 7, timely harvest. According to the intercropping cultivation method disclosed by the invention, 2000 to 3000kg of clean production rice beans per hectare is increased under the situation that the yield of the corn is not reduced, the yield of crops and the benefits in a unit area are significantly improved, and the advantages of increasing production and increasing efficiency are obvious. The intercropping cultivation method of the corn and the rice beans is applied to the field of crop planting.

The invention discloses a water-soluble fertilizer containing chitin and humic acid and a production method thereof. The method is characterized by degrading chitin, a natural high polymer, and then mixing chitin with humic acid solution and nitrogen fertilizer to produce the water-soluble fertilizer containing chitin and humic acid. The produced water-soluble fertilizer contains 20-40g / l of chitin, 20-40g / l of nitrogen, 170-190g / l of humic acid and 1-5g / l of plant growth regulators. The method is simple, easy to operate and high in feasibility of implementation. The produced water-soluble fertilizer integrates the functions of nutrition supplement, bacteria immunity and virus immunity, improves soil conditions, prevents hardening, raises ground temperature, promotes prematurity, resists diseases and tolerates stress, resists continuous cropping and balances nutrition, and features stable status and lasting fertilizer efficiency.

The invention provides a rice ridge culture salt-avoiding water-saving planting method of severe soda saline-alkali soil. The characteristic that pH value and EC of the position of a ridge waist of a severe soda saline-alkali area are the lowest is utilized, rice seedlings are transplanted at the position of the ridge waist, damage of salt to rice root systems is avoided, and the environment suitable for normal growth of rice is created. The rice ridge culture salt-avoiding water-saving planting method of the severe soda saline-alkali soil solves the problems that the rice planting survival rate of the severe soda saline-alkali soil is low, growth of the rice is subjected to saline and alkaline limitation, and the like. The rice ridge culture salt-avoiding water-saving planting method of the severe soda saline-alkali soil is low in cost, reduces harrowing measures, improves soil, increases ground temperature, expands effective ploughing area, and is of great importance for increasing rice yield.

The high-yield cultivation technique of wheat in saline-alkali field includes the following measures: selecting salt-resistant fall wheat species seed, using organic fertilizer as main fertilizer andusing microelement fertilizer for saline-alkali field crops as auxiliary fertilizer, selecting DEkang 961 as cultivatino species, before sowing, in tenth-twentieth of October, adopting wild flooding irrigation method, watering, salt-pressing and making moisture, after 3-5 days ploughing under to great depth and making land preparation, then film-covering and hole sowing with 1-3 days, after reviving in spring and when the first new leaf is grown and second new leaf is only produced spraying 20% mepiquat chloride paclobutrazol microemulsion on foliage.

The invention provides a multi-functional degradable liquid mulching film which comprises the materials with the following weight percentage: a polymer of polyether glycol-polyvinyl alcohol-polyaspartate: 15.0 percent to 40.0 percent, an emulsifier: 1.0 percent to 5.0 percent, a disperse speader: 0.5 percent to 5.0 percent, a pH value regulator: 0.1 percent to 5.0 percent, an antifreeze: 1.0 percent to 5.0 percent, and water as the rest; after the mulching film being watered and sprayed on soil surface, the macromolecules thereof are combined with soil particles and a layer of black curing film can be formed on the soil surface rapidly which can restrain the soil water from vaporizing and prompt the soil to absorb more solar energy, thereby improving the earth temperature. The liquid mulching film completely degrades into a humic acid organic fertilizer, water and carbon dioxide which can be absorbed by crops; the degradation products effectively accelerate the formation of soil grain clusters; and the number of grain clusters with water stability is increased by 10 percent to 15 percent and the volume weight of soil can be decreased by 5 percent to 10 percent. If sprayed on the surface of sandy soil, the liquid mulching film can effectively slow down the infiltration of the water to reserve water, thereby saving the water consumption of irrigation. The liquid mulching film can replace plastic mulching films in a certain range and has a certain social meaning and market prospect.

The invention relates to a method for cultivating winter-planting potatoes. The method comprises the steps of soil preparing, ridging, base fertilizer applying, potato processing, seeding, soil covering, straw or dry weed covering, soil covering on straws or dry weeds for the second time, water and fertilizer applying, plant disease and insect pest managing and harvesting. According to the method, on the basis of a traditional bare land cultivating mode, the method of straw or dry weed covering and fine crushing soil layer covering on the surfaces of the straws or dry weeds is adopted, water in soil in the cultivating layer is effectively prevented from being conveyed to the bed surface, water evaporation of the soil in the cultivating layer is reduced, the fertilizer and water circumstance of the soil is improved, and the effects of early emergence and the high emergence rate are achieved. The surfaces of the straws or dry weeds are covered with a soil layer so that the straws or dry weeds can be pressed and protected against wind blowing, fine crushing soil becomes dry soil easily on the surfaces of the straws or dry weeds, the effect of restraining growth of the straws or dry weeds on the bed surface is achieved, intertillage and weeding are not needed during the growth period, field management labor intensity and costs can be reduced, the additives are the straws or dry weeds and can return to the field after rotting, the amount of organic matter of the soil is increased, environmental friendliness is achieved, and no pollution is caused. According to the method, the rate of survival of seedlings is improved by 8.74%, the growth period is shortened by 11 days, and the number of commodity potatoes is increased by more than 10%.

The invention discloses a flue-cured tobacco mulch pyramidic hole transplanting method and a structure after flue-cured tobacco mulch pyramidic hole field-planting. The flue-cured tobacco mulch pyramidic hole transplanting method comprises the following steps of: a, digging a pyramidic tobacco seedling planting hole on a ridge for planting tobacco, wherein the size and shape of a pyramidic tip part of the pyramidic tobacco seedling planting hole are same as those of a matrix hole of a floating seedling-raising disc; b, placing the tobacco seedling cultured by the floating seedling-raising disc into the pyramidic tobacco seedling planting hole; and c, covering a mulch. According to the invention, the ridge is provided with the pyramidic planting hole, so that the lower end of the planting hole with the shape can be matched with the shape of a planting cup of the floating seedling-raising disc, thus the tobacco seedling can be directly placed in the planting hole during planting, so that procedures, such as seedling supporting and ridging are omitted during conventional planting, and human hands are prevented from being burnt by tobacco seedlings; and by adopting deephole planting which not only has a good effect and is superior to big hole digging for planting and small arch building for planting, but also can avoid the procedures of digging a big hole and building and dismantling a small arch, namely, the deephole planting can be finished by the conventional mulch and the conventional pavement method.

The invention discloses a mulberry panicle-sprout grafting-cuttage seedling raising method which enables mulberry to become good mulberry varieties in one step. The method comprises the following steps: selecting and preparing materials; grafting in a single-branch multi-sprout way; bagging nutritional soil; cutting and planting a grating body; managing after the grafting; transplanting a seedling; and managing after transplantation. The invention uses Japanese mulberry, hybrid mulberry, Chinese mulberry 5801, Fengchi mulberry, Guangxi excellent mulberry series, Guangdong mulberry series, Hunan hybrid mulberry series, Nongsang series, mulberry series and the like which can easily take roots and survive after cuttage, as the tree stock; a mulberry winter budding technique is adopted for multi-sprout grafting the excellent panicle sprouts on the branch of the tree stock; and a single sprout is planted into the nutritional soil to germinate and grow, thereby directly cultivating an excellent mulberry seedling. The seedling raising method has the advantages of cost saving, high efficiency and high speed. The invention can be used not only for raising and breeding mulberry seedlings, but also for one-step orchard establishment and fix planting. The invention promotes the excellent mulberry to put into production and has important value.

The invention discloses a special rice fertilizer with both soil improvement and fertilizer efficiency functions for coastal saline soil and a preparation method and application of the special rice fertilizer. The special rice fertilizer comprises the following components in parts by mass: 35-40 parts of humic acid, 15-20 parts of fulvic acid, 20-25 parts of a composite fertilizer, 15-20 parts of a silicon calcium fertilizer, 1-1.5 parts of a urease inhibitor and 1-1.5 parts of a nitrification inhibitor. According to the invention, the application method combines soil culture, root system activation, crop nourishment and fertilizer efficiency improvement, so the rice fertilizer is low in cost, stable in effect, applicable to mechanical operation, not only applicable to coastal intertidal zones, but also applicable to rice planting in saline-alkali soil in north China or even northwest inland.

The invention discloses a special slow-release fertilizer taking biomass granular charcoal as a matrix for hot pepper and a preparation method for the same. The preparation method comprises the following steps of: taking the granular charcoal which is prepared from the agricultural waste biomasses of corncobs, peanut shells, rice hulls, edible fungi matrix and the like as a matrix material, compounding the matrix material with nitrogen, phosphorus, potassium and other nutrient elements which are necessary to the growth and development of hot pepper by virtue of the microporous property and the strong adsorption capacity of the matrix material, and then preparing the granular biomass charcoal-matrix special slow-release fertilizer for hot pepper. The biomass granular charcoal used in the preparation method disclosed by the invention is the black biomass granular charcoal granules formed by the agricultural waste biomasses after incomplete combustion in a low-oxygen condition, has various characteristics similar to the characteristics of soil humus, as well as is very strong in the capacities of adsorbing and keeping nutrients and water, capable of stimulating the growth of crops, and good in slow-release performance for nitrogen, phosphorus and potassium; and the slow-release fertilizer prepared from the biomass granular charcoal can effectively meet the need of hot pepper to nutrients in the whole growing period in case of being applied once, and has the characteristics of enhancing soil fertility, improving soil structure, being efficient and environment-friendly and the like, thus being beneficial to large-scale popularization and application in production for hot pepper.

The invention provides a high saline-alkali soil biological treatment method and belongs to the technical field of agricultural production. The PH value of a rice saline-alkali farmland is detected before rice seedlings are transplanted, a moderate solodization fertilizer is applied to the farmland uniformly and then enters soil through rotary tillage if the pH value is between 8.5-9, and then the rice seedlings are transplanted; and a high solodization fertilizer is applied to the farmland uniformly and then enters soil through rotary tillage if the pH value is between 9-12.5, water in the farmland is drained, the moderate solodization fertilizer is applied to the farmland uniformly, and then the rice seedlings are transplanted, wherein the high solodization fertilizer is produced by mixing silicic acid minerals and bauxite, and the moderate solodization fertilizer is produced by mainly utilizing silicic acid minerals, microbe organic fertilizers, fulvic acid, furfural-residue and trace-element fertilizers. The method can be used for changing the clay structure of saline-alkali soil, forming a 40-cm plant growing layer on the surface of the saline-alkali soil, preventing the secondary alkali return of high-degree saline-alkali soil and preventing hydrogen sulfide poisoning of rice caused by using an organic fertilizer and a microbial fertilizer.

The invention relates to a biodegradable liquid mulch film produced from papermaking waste liquid, and a production method thereof. The film is produced from papermaking waste liquid discharged from paper making industries, starch, polyvinyl alcohol, acrylic acid or methacrylic acid or acrylamide, amyl acrylate or octyl acrylate, formaldehyde or glutaral or glyoxal, and the like. According to the method, lignin is grafted with acryl; starch is grafted with acryl; lignin, starch and polyethylene glycol hydroxyl are processed through a series chemical reactions of condensation, cross-linking, and copolymerization, such that an aqueous polymer with lignin as a basic material is synthesized. Therefore, the biodegradable liquid mulch film is obtained. According to the invention, industrial papermaking waste liquid is adopted as a main material, such that the pollution caused by papermaking waste liquid is reduced, environment is protected, cost is saved, irrigation water is saved, and crop yield is improved. With the wide popularization of the biodegradable liquid mulch film, a positive effect is provided for increasing the crop yield in our nation.

The invention discloses a slow release fertilizer special for sweet potatoes by using biomass granular carbon as a matrix and a preparation method for the slow release fertilizer. Granular carbon prepared from agricultural wastes such as corn cobs, peanut shells, rice hulls and edible fungi matrix are used as a matrix material; and based on the micro-pores and strong adsorption capability of the matrix material, the granular biomass carbon-based slow release fertilizer special for the sweet potatoes is prepared by compounding the matrix material and nitrogen, phosphorus, potassium and other nutritional elements required by growth and development of the sweet potatoes.. The biomass granular carbon is black biomass granular carbon granules formed after the agricultural waste biomass is incompletely burnt under the low-oxygen condition, has multiple properties similar to soil humus and strong adsorption and nutrient and moisture holding capabilities, can stimulate growth of crops, and has good slow release performance on nitrogen, phosphorus and potassium; when the prepared slow release fertilizer is applied at one time, the requirements of the sweet potatoes for nutrients in the whole growth period can be effectively met; and the slow release fertilizer has the characteristics of increasing soil fertility, improving the structure of soil and realizing high efficiency and environment friendliness, and is beneficial to large-scale popularization and application in the production of the sweet potatoes.

The invention discloses a non-tillage, drought-resisting and cold-resisting planting method of winter rapes in dry land. The method includes the following steps: in spring, according to requirements of non-tillage direct sowing of the winter rapes in next season, timely performing spring sowing of corn after fertilizing, deep ploughing, raking and grinding and mulch covering, and not uncovering mulches in the whole growing period of the corn; after harvesting of the corn in autumn, cleaning cornstalks, keeping the mulches, and performing no-tillage hole sowing of the winter rapes on the mulches directly; not uncovering the mulches in the whole growing period of the winter rapes, and harvesting the winter rapes in next summer. The method specifically includes (1), cleaning the cornstalks, (2), sowing, and (3), performing field management. By the method, farming time can be saved, timely sowing of the winter rapes can be realized, soil water content and land temperature after the corn is harvested and the winter rapes are sowed are improved, seedlings are orderly and uniform and grow robustly, processes are reduced, and cost is lowered.

The invention discloses a cabbage special use slow release fertilizer using biomass carbon granules as matrixes and a preparation method of the slow release fertilizer. The carbon granules prepared by agricultural waste biomass of corncobs, peanut shells, rice hulls, edible mushroom matrixes and the like are used as matrix materials, and by means of multiple micropores and high adsorption capacity of the carbon granules, the carbon granules are composite with nitrogen, phosphori, potassium and other nutrient elements which are required for growth and development of cabbage to prepare the granular biomass carbon matrix cabbage special use slow release fertilizer. According to the cabbage special use slow release fertilizer using the biomass carbon granules as the matrixes and the preparation method of the slow release fertilizer, the biomass carbon granules are black biomass carbon granules which are formed by incomplete combustion of the agricultural waste biomass under a low-oxygen condition so that the biomass carbon granules have a plurality of characteristics which are similar to those of soil humus and are high in capabilities of absorbing and keeping nutrients and water, the biomass carbon granules are capable of stimulating crop growth and good in slow release performances of the nitrogen, the phosphori and the potassium, and the prepared slow release fertilizer can effectively provide nutrients required in the whole growth period of the cabbage by one-time application and has the advantages of being efficient, environment-friendly, capable of increasing soil fertility and improving soil structures and beneficial to large-scale popularization and application in production of the cabbage.