60results about How to "Return to field" patented technology

The invention belongs to the technical field of seedling growing tools, in particular discloses a full-degradation high-manurial-effect seedling growing pot which is made by mould unloading and mold hanging after heat pressing vulcanization of straw powder, coal ash, adhesives, curing agent and waterproofing agent which are mixed, agitated and then filled into a die. Because the main materials of the seedling growing pot substantially include straw powder and coal ash, the purpose of returning straws to fields is achieved, and fertilizer elements such as kalium and phosphor and metallic elements such as ferrum, calcium, magnesium, zinc, titanium, sulfur and the like contained in coal ash can be utilized, which facilitates reconstruction of soil. Besides, all raw materials of the seedling growing pot can be degraded to fertilizers such as organic matter, humic acid, phosphate fertilizer, potassium fertilizer and the like, which can further improve the fertility of soil and facilitate the growth of seedlings.

The invention discloses a dry farming direct seeding planting method of rice, which comprises the steps of preparing sprinkling irrigation equipment: the lifting micro-sprinkling irrigation equipment is buried under to-be-planted ground for 30-40cm; processing a field: straws of last stubbles of crops on the to be planted ground are cut into sections, the lengths of the straw sections are 2-20cm, the straw sections are broadcast in soil, a base fertilizer is applied on the soil, and the soil is subjected to ploughing and rotary tillage; preparing rice seeds and seeding: the selected rice seeds are sown on the processed soil uniformly, and then the soil is compacted; and performing sprinkling irrigation: the lifting micro-sprinkling irrigation equipment buried under the ground is used for irrigating the soil sown with the rice seeds, and the water content of the surface of the soil is 40-60%. Therefore, the precision irrigation to the crops is realized; excess water accumulation in the rice field is avoided; and the utilization ratio of water resources is increased. In addition, the straws are turned into organic fertilizers with the passage of time; straw turnover is realized indeed; the method contributes to improving the yield and quality of grains; and environmental pollution due to straw burning is avoided.

The invention discloses a method of salt-isolating cultivation improvement of saline-alkali soil through straw and relates to the technical field of saline-alkali improvement. Rising channels of capillary water in high-salt soil is cut off through a straw salt-isolating filter layer, and salt washing is performed on the saline-alkali soil by using rainfall or irrigation water. Meanwhile, humus formed by the decomposition of straw and organic fertilizers is used for adsorbing salt ions, neutralizing the alkali of the soil and improving the soil microenvironment. The structure of the method comprises a straw salt-isolating filter layer which is laid on the upper part of the saline-alkali soil, an organic fertilizer layer at the upper part of the salt-isolating filter layer and a cultivationlayer at the uppermost part from bottom to top. Also, deep ditches are dug between two ridges, and isolation ditches are dug around improved areas. In the method, borrowed soil is not needed, washingand salt washing of the salt soil can be realized with the aid of natural rainfall and irrigation water after covering the straw isolating layer with soil on site, and the cost is reduced. The methodof improving saline-alkali soil is suitable for various saline-alkali soil environment conditions, is a high-efficiency and easy-to-operate method for saline-alkali soil improvement and horticulturalplant cultivation. In addition, the crop straw is used as the salt-isolating layer, so that the reuse of a large amount of straw can be realized to improve the organic matter of the soil, and meanwhile, the method is beneficial for solving the problem of straw burning, and reducing the environmental pollution.

The invention discloses a method of optimizing and returning to field of straw of a cold region rice field, and relates to the field of returning to fields of straw of the rice fields. The method aims to solve the technical problems that according to a traditional method of returning to a field of straw, the effect of returning to the field is poor, during a process of returning to the field of the straw, the labor input of a farmer is increased, and the rice transplanting quality is affected. The method comprises the steps of (1) harvesting, wherein the straw is evenly dispersed in the field during harvesting; (2) land preparation and stubble burying, (3) irrigation for field steeping, stubble burying and land leveling and (4) rice transplanting and fertilizer application. Through the method, not only can returning to the field of the straw be achieved in the cold region rice field to achieve a purpose of land fertility betterment, but also negative environment effects caused by mass burning of the straw are alleviated, and fertilizer saving, the high yield, the high quality, the high efficiency and the ecological safety of the rice field are achieved; the method is used for returning to the field of the straw in a cold region.

The invention discloses a nitrogen fertilizer immobilization process using an active soil and flocculant/adsorbent composite material. Attapulgite clay is chemically modified by irradiation to improve dispersibility and can form a multilayer micro-/nano-scale network structure by self-assembly in a water-poor environment under the action of flocculants, the adsorbed nitrogen fertilizer together with the non-adsorbed nitrogen fertilizer is embedded inside the network structure by use of biological carbon with high adsorbability, so that the nutrients of the nitrogen fertilizer are effectively stored in the network structure to prevent free migration of the nutrients and control the loss of the nutrients to the environment. The process can effectively reduce the migration and loss of nitrogen elements, increase the utilization efficiency of chemical fertilizers and reduce the environmental pollution caused by the loss of nitrogen elements. The process can achieve the effects of reducing the discharge of fertilizers, increasing the utilization efficiency of nitrogen fertilizers, reducing the consumption of chemical fertilizers, protecting the environment, reducing the cost and simplifying the process, and is significant in controlling eutrophication non-point pollution of water bodies and protecting the ecological environment.

The invention discloses a rice micro-ridge mixed sowing cultivation method. The method comprises the following steps: S1, draining water in the mature period of preceding crops until a harvester can work; S2, harvesting the preceding crops, reserving stubbles, smashing straw of the preceding crops and then scattering smashed straw on the reserved stubbles so as to form rhizosphere layers for ricegrowth; S3, performing ditching in the field to form ecological ditches; and S4, flattening the vertical stubbles and the crushed straws on the compartment surface to form a lower cushion surface, forming a seed, fertilizer and mud compound into a ridge shape, enabling the compound to fall on the lower cushion surface to form ecological ridges, and forming a plurality of ecological ridges betweenadjacent ecological ditches, wherein the seed, fertilizer and mud compound is obtained by uniformly stirring and mixing rice seeds, a chemical fertilizer and mud in a mass ratio of (6-14):(50-70):(6000-10000). Firstly, the ecological ridges are used as a medium to wrap organisms and vegetative bodies and is heat-insulating, moisture-preserving, water-permeable and air-permeable; and secondly, theecological ridges are used as a donor to provide water nutrition for organism vegetative mass. The seeds which are subjected to accelerating germination and budding in the ridges grow faster than weedseeds in the ridges and outside the ridges, and roots and leaves grow smoothly.

The invention provides a method for orchard deep fertilization by using straw fiber fertilizer pipes, belongs to the technical field of straw comprehensive utilization technology and fertilization technology integration, and mainly solves the problem of surface fertilization of an orchard in the prior art. The method includes four steps that soil testing is conducted, the straw fiber fertilizer pipes in which a fertilizer is mixed are prepared, the fertilizer pipes are inserted into pre-drilled fertilization holes, wherein the distribution, number and depth of the fertilization holes are changed according to the age of trees, and the depth of the fertilization holes is 300-600 mm; the corresponding fertilizer pipes are matched with the fertilization holes, various nutrients can be added into hollow straw long fiber rods to prepare fertilizer rods to be inserted into the corresponding fertilization holes, the fertilizer rods need to be arranged in the annular band of water dripping of tree crown, and finally, reasonable hole fertilization and irrigation are conducted. The method achieves the effect of efficient use of water and fertilizers, and provides the technical support for development of fruit industries in arid regions.

The invention discloses a biomass character paper preparation method and a use method thereof and belongs to the field of agricultural cultivation. The biomass character paper preparation method disclosed by the invention comprises the steps: adding a certain amount of clean water into cut plant straws (corn straws, rice straws, cotton straws, hemp straws and wheat straws), and steaming under a high temperature to obtain primary slurry after steaming; adding weighed starch and agricultural resin into the primary slurry, evenly mixing, putting into a pulping machine to be pulped and sieving anobtained product after pulping; adding weighed nutritional ingredients and microelements, evenly mixing to obtain third-level slurry, injecting into a model net and drying and shaping to obtain primary biomass character paper; coating the front side of the primary biomass character paper with nutritional ingredients, microelements and organism nutrient solution, coating the back side of the primary biomass character paper with glue and putting in a drying cylinder to be dried to obtain the biomass character paper. A simplified seedling growing processing is achieved, modern rice seedling growing and gardening seedling growing are fundamentally reformed, and conveniently producing large-batch seedlings for vegetables and flowers is ensured.

The invention discloses a comprehensive energy utilization system for a farm, and belongs to the technical field of distributed energy application. The system comprises a feeder, a manure-grass separator, an acidification pool, a fermentation tank, a biogas slurry storage pool, a solid-liquid separator, a desulfurization and dehydration system, a gas storage tank, a generator set, a waste heat boiler, a lithium bromide unit, a solar collector, a hot storage tank, a solar photovoltaic module, a water pump, a reservoir and a torch, wherein the livestock and poultry manure is treated intensively,the biogas and solar energy are combined organically to produce cold, heat and electricity and meet farm electricity, production heat, domestic water, domestic heating, air conditioning refrigerationand other demands, the biogas slurry and a solid organic fertilizer can produce to replace the use of pesticides and fertilizers, so that livestock and poultry manure can be turned into wealth.

The invention discloses a formula of bacterial organic fertilizer and a preparation method thereof. The bacterial organic fertilizer is characterized by being prepared from, by weight, 40-60% of crop straw, 15-25% of animal waste, 5-10% of carbon slag, 5-10% of decomposed grass, 3-8% of compound microorganism fermentation inoculum and the balance medicinal materials, wherein the total weight percent is 100%. The formula of the bacterial organic fertilizer and the preparation method thereof have the advantages that the bacterial organic fertilizer is high in nutrition value, operation is easy and can be performed at home, energy is saved, the bacterium production speed can be increased, straw turnover can be achieved, the bacteria can be prepared into the natural fertilizer, the bacterium production output can be increased, and energy can be saved.

The invention discloses a summer soybean simplified cultivation method and belongs to the technical field of soybean planting. The method comprises the steps of fine breed selection, sowing in good time, wheat straw utilization, seed fertilizer application, shallow rotary tillage and compacting, weed killer spraying, field management and the like. The method is easy and capable of shortening farming time. By the adoption of the method, the rate of emergence of soybean is quite high, seedlings are uniform and strong, and a foundation is laid for the high and stable yield of soybean; production cost is low, and then cost saving and effectiveness increasing are achieved; by means of straw mulching, the organic content of soil is increased, soil fertility is improved, the economical environment is protected, resource utilizing efficiency is improved, and sustainable agricultural development is promoted. The method has vital practical significance in developing soybean production and guaranteeing food security in China.

The invention belongs to the field of agricultural fertilizing equipment, and particularly provides a stubble cane pre-emergence fertilizing machine and application thereof. The stubble cane pre-emergence fertilizing machine comprises a rack, a round disc knife, a transverse cutting device and a fertilizing device are arranged below the rack in sequence, and the transverse cutting device comprisesa longitudinal cutting board and transverse cutting knives arranged at the two sides of the longitudinal cutting board; the round disc knife is driven by a driving device to backwards rotate. On thepremise of sugarcane leaf land returning, the purpose of disposable ridge breaking, bag loosening and fertilizing can be achieved, and the field work efficiency is improved. Stubble cane post-emergence fertilizing is changed into pre-emergence fertilizing, sugarcane seedlings cannot be injured, soil beside sugarcane bags can be cut and loosened by the transverse cutting knives, air ventilation isfacilitated, and the seedling emergence rate is increased. Fertilizer is deep applied in advance, soil covers the fertilizer, nutrients are spread into soil, uniform absorption of root systems of sugarcanes is facilitated, sugarcane leaves cover the ground surface, water evaporation can be reduced, more rainwater can also be permeate the soil, and water and soil loss is reduced.

The invention discloses a method for producing a fertilizer from paper-making black liquor. The method comprises the following steps of: adjusting strongly alkaline black liquor into weakly alkaline or neutral black liquor with the pH value of between 7 and 9; evaporating and concentrating the black liquor; concentrating the black liquor until the solid content is between 20 percent and 90 percent; and charging the concentrated black liquor into a pelletizer for guniting and pelletizing to produce fertilizer particles. By adopting the method, the black liquor can be treated and purified to produce pure water steam, and organic matters and the like, which are good for crops, in the black liquor can be prepared into the fertilizer, so that the value of the black liquor is brought into full play. Moreover, the process of the method is easy, purification treatment is performed completely, and environmental pollution is avoided. The invention has the characteristics that: 1, investment is small, and the black liquid produced by pulping of wheat straw hood and straw in a small plant is up to standard; 2, purification treatment is performed completely, and environmental pollution is avoided; 3, straw returning is realized, and an ecological economic chain is formed; 4, deforestation caused by paper making is reduced; and 5, a process is simple, and running cost is low.

The invention discloses a pineapple leaf pulverizing device and a pineapple leaf pulverizer, and relates to the technical field of agriculture. Pineapple leaves can be pulverized into easily degradable fiber fines to return to field, so the utilization rate of the pineapple leaves is improved. The pineapple leaf pulverizing device comprises a cutter head group and a lifting mechanism for lifting the cutter head group, wherein the extension direction of the cutter head group is vertical to the forward direction of the pineapple leaf pulverizing device, and the cutter head group comprises a plurality of cutter heads; each cutter head comprises a circular cutter head body and a plurality of blades, and the blades are arranged on the periphery of the cutter head body at a certain angle between the blades and the radial direction of the cutter head body; axes of the cutter head bodies of the cutter heads are positioned on the same rotating shaft, and the lifting mechanism comprises an erected first fixing rack; the upper end of the first fixing rack is hinged with an obliquely downward extending first telescopic rod, and the lower end of the first fixing rack is hinged with a connecting rod matched with the first telescopic rod; the end part of the first telescopic rod is hinged with the middle part of the connecting rod, and the tail part of the connecting rod is hinged with a first connecting rod connected with the corresponding cutter head group.

The invention discloses a method for planting corn in saline-alkaline soil, comprising the steps of deeply turning over, irrigating for washing, making ditches, covering with organic base fertilizer and inorganic base fertilizer, shallowly turning cover, making drain ditches, sowing corn, irrigating for washing once a month in the growth stage of corn, and applying a nutrient solution after each irrigation for washing until the corn is mature, wherein the organic base fertilizer is made by mixing biogas slurry, crop stalks, methyl cellulose and soap powder at a mass ratio of (300-500):(1000-2000):(0.5-1):(0.5-1), and the nutrient solution is made by mixing biogas slurry and crop stalks at a mass ratio of (1000-2000):(300-500), fermenting at 30-35 DEG C for 10-15 days, and filtering to obtain filtrate. By increasing the amount of organic fertilizer to be applied herein, the amount of the inorganic fertilizer to be applied is decreased; suitable soil improving measures are taken, less salt is accumulated during corn planting, and yield of corn per mu is increased. In addition, both the organic fertilizer and nutrient solution used herein are prepared mainly from stalks, returning stalks to field is achieved, and utilization rate of stalks can be increased.

The invention discloses a garlic harvester. The garlic harvester is composed of a rack, a supporting mechanism and a digging mechanism which are arranged at the front end of the rack, a collecting mechanism arranged on the rear of the rack, and a clamping and conveying mechanism arranged between the digging mechanism and the collecting mechanism. Garlic can be harvested, and separation of garlic heads and garlic stems can be achieved. In the harvesting process, soil on the garlic heads and root systems is removed, the root systems are reserved, collection is convenient, the garlic heads are prevented from suffering from collision damage, and the collection quality of the garlic heads is improved. In the harvesting process, conveyance is stable, and no disengagement is likely to happen in the conveying process. By means of the garlic collecting device, the harvested garlic heads can be collected at higher efficiency, working efficiency is improved, and the garlic heads can be conveniently stored in time.

The invention discloses a mechanical cultivation method for interplanting corn with oyster mushrooms in a belt-shaped field. Corn with grains is the food crop with the largest planting area and high yield at present, and the oyster mushroom is an excellent vegetable crop which is easy to culture, high in yield and market recognition degree. According to the embodiment, by reasonably adjusting theplanting mode and preferentially selecting a planting integration technique, mechanical interplanting of the corn and oyster mushrooms is achieved, and the two crops can mutually create a field microclimate suitable for growth, crop rotation can be achieved in the field, and the method has a significant meaning on improvement of the soil fertility lever and sustainable development of the corns with grains and oyster mushrooms.

The invention relates to a grain harvesting machine and a chopping device thereof. The chopping device of the grain harvesting machine comprises a rotating shaft, a rotating drum, multiple rows of knife carriages, movable knife blades and fixed knife blades, wherein the rotating drum is arranged around the rotating shaft in a relatively fixed manner, the multiple rows of knife carriages are arranged on the external wall of the rotating drum along the circumferential direction of the rotating drum in a uniformly spaced manner, the movable knife blades are arranged in all of the multiple rows of knife carriages, and the fixed knife blades are arranged corresponding to the movable knife blades. Further, the spacing among adjacent movable knife blades is 34mm to 38mm, and the spacing among adjacent movable and fixed knife blades is 14mm to 18mm. According to the grain harvesting machine and the chopping device thereof, the movable and fixed knife blades, which are arranged according to the spacing, can enable straws of harvested crops achieve the optimal crushed effect during operation, so that the straws achieving the optimal crushed effect can be directly broadcast to farmland; and the crushed straws are plowed underground as an organic fertilizer through further plowing.

The invention belongs to a straw smashing returning and plastic film residue recycling bundling machine. The machine comprises a rack, a straw crusher, a film taking machine and a bundling machine arearranged on the rack, an output shaft on a tractor is connected to a first gearbox, a second gearbox and a third gearbox, a traction frame connected to a transverse pull rod of the tractor is arranged at the front end of the straw crusher, the output shaft on the tractor is connected to the first gearbox arranged on the straw crusher, and the straw crusher is arranged at the front end of the rack. The machine has the advantages that the structural design is reasonable, plastic film residues are cleaned thoroughly, straw returning to the field can be achieved, and manpower and material resources are saved.

The invention relates to a method for preparing organic fertilizer by utilizing animal excrement as well as the organic fertilizer. The method comprises the following steps: performing solid and liquid separation treatment on the animal excrement to obtain solid excrement with the water content being 45 to 50 percent by weight; adding a disinfectant into the solid excrement and stirring for 10 to15 minutes; adding straw powder and decomposed coal to enable the organic matter content of the solid excrement to be more than 45 percent by weight; adding a ripening agent and stirring for 10 to 12minutes to obtain an organic fertilizer substrate containing humic acid; mixing the organic fertilizer substrate and a soil improvement agent according to the mass ratio of 100:(15-20) and stirring for 10 to 15 minutes to obtain an improved organic fertilizer substrate; and performing pelleting and drying treatment on the improved organic fertilizer substrate to obtain an organic fertilizer finished product. The active demand on resource utilization of excrement pollutants and crop straws in breeding industry by China can be met; meanwhile, commercial organic fertilizer meeting the national standard NY525-2012 can be produced; the pain spot of environmental protection is solved; chemical fertilizer is replaced by the organic fertilizer, so that the problem of secondary pollution of soil iseffectively avoided and the time-honored planting and cultivation combined closed ring ecological system is completed completely.

The invention provides a special organic fertilizer for watermelons, a preparation method and an application thereof. The preparation method comprises the following steps: (1) collecting raw materials such as roots, stems, leaves and pod peels of different varieties of soya beans, mixing the raw materials, and coarsely crushing the raw materials by using a cutting machine; (2) spraying urea with the concentration of 1% for fully wetting the crushed raw materials; and (3) stacking the crushed and wetted raw materials in a cement pool or a cement yard, covering and sealing the raw materials with a plastic film, and fermenting the raw materials. The prepared organic fertilizer can effectively meet the balance requirements of watermelons on various available nutrients in the whole growth and development stage, particularly on phosphorus and potassium elements, amino acids and trace elements, under the condition of sufficient application amount, healthy and balanced growth of plants can be promoted, the fruit setting rate can be increased, and particularly, the taste quality of watermelon pulp can be remarkably improved.