39results about How to "Play a role in moisture conservation" patented technology

The invention relates to a high-barrier-property biodegradable mulching film and a preparation method thereof, belonging to the field of high-polymer materials. The high-barrier-property biodegradable mulching film is prepared from a polylactic acid resin, a toughener, a heat stabilizer, an ultraviolet absorbent, a chain extender, an antioxidant, an opening agent and the like by using a film blowing machine set. The high-barrier-property biodegradable mulching film can be automatically degraded under the actions of rich oxygen and microbes, does not pollute the environment, has higher barrier property than the LDPE (low-density polyethylene) film with the same thickness by 1.5-2.0 times, and satisfies the functions of moisture retention, water preservation and yield increase for crops. The method has the advantages of simple production technique and high production efficiency, and can easily implement industrial production.

The invention relates to stabilizing methods of the ecological agriculture, particularly to a soil, plant and biological stabilizing method of an agricultural watershed riparian zone side slope. The soil, plant and biological stabilizing method comprises starting from a position close to a river way to plant three rows of annual Salix integra and planting three rows of annual Amorpha fruticosa along the direction parallel to a river bank after artificial leveling and performing cross planting on the Salix integra and the Amorpha fruticosa according to the order in turn; performing artificial trimming on a side slope protection zone and setting the integral side slope protection section into a step-shaped structure in which three small side slopes are connected with two small platforms; protecting the small side slopes of the side slope protection section through polypropylene non-woven fabrics, laying the non-woven fabrics on the small side slopes, fixing the top end and the bottom of every small side slope through rivets respectively and performing vegetation cutting in the middle of every small side slope; performing Salix integra cutting on every small side slope of the side slope protection section and performing cutting in the middle of each small platform of the side slope protection section through a row of Amorpha fruticosa. According to the soil, plant and biological stabilizing method of the agricultural watershed riparian zone side slope, the artificial disturbance is less, the cost is low, the recovery is rapid, the effect is good, the soil, the close-to-natural-landscape effect is achieved, and the artificial maintenance is not required by the later period of ecological slope protection and pollution control.

The invention discloses a special weeding film for fruit trees and a preparation process of the special weeding film. The special weeding film is prepared from the following components in percentage by mass: 65-80% of linear low-density polyethylene, 4-10% of low-density polyethylene, 6-10% of anti-aging masterbatch and 10-15% of light-blocking black masterbatch, wherein the anti-aging masterbatch is formed by reasonably matching, mixing and granulating according to demands. According to the preparation process disclosed by the invention, a conventional ground film blowing unit is adopted, PLC terminal software is adopted for inputting signals, particles which are well matched and mixed are put into a feed inlet of an extruder by a mechanical hand, and screw conveying, homogenization, compression, filtration, molding, traction, air ring cooling, coiling and packaging are performed; and the compression ratio of a mold head is controlled at 4.0-4.5 in molding, and the blow-up ratio of the film is controlled at 3.0-3.5. Compared with general molding requirements, the mechanical strength of the film is improved in comparison with that of the ordinary weeding ground film. According to the preparation process disclosed by the invention, the problems that a small amount of additives is added in the traditional process and the mixing with main raw materials is non-uniform to cause that the product quality is affected are solved, the stability of the product quality is ensured, the frequency of adding the materials is reduced, the time is saved and the product performances are further improved.

An intercropping method of potato and dandelion is a potato planting method. The invention is intended to solve the problem that in the existing potato planting process, rainfall and crushing from agricultural machinery affect the quality and yield of potato. The intercropping method comprises: I, preparing a land; II, digging drain ditches; III, filling the drain ditches, sowing dandelion and applying film; IV, after emergence of dandelion seedlings, guiding the dandelion seedlings out of pores of the film, and earthing around the roots of the dandelion seedlings; V, planting potato; VI, managing a field; VII, harvesting potato; VIII, stagewise harvesting dandelion. The intercropping method has the advantages that potato yield can be increased by 5-10% based on the prior art, the yield per mu of dandelion stem and leaf reaches 1800-2000 kg, and 600-800 cubic meters of straws are consumed per hectare. The intercropping method is applicable to potato planting.

The invention relates to the technical field of crop cultivation and particularly relates to a low-toxic effect sugarcane planting method. The low-toxic effect sugarcane planting method comprises the following field operation steps: preparing soil, applying a base fertilizer, seeding, and carrying out intertillage management. The low-toxic effect sugarcane planting method is characterized in that sugarcane furrows are ditched, black mulching films are used for covering, two sides of the mulching films are compacted, sealed solarization is performed for 15 to 20 days, and then the mulching film is removed for continued solarization for 2 to 5 days; after the base fertilizer is applied, one disease-and-insect resistant variety and at least three common varieties are selected for seeding, the disease-and-insect resistant variety is taken as a major for seeding, and the common varieties are alternatively planted; after seeding, the mulching film is adopted for covering again; a sugarcane field is checked periodically, the growing state of the common variety is taken as an emphasis for observation, and holistic governance to the sugarcane field is performed according to symptoms of the plant diseases and insect pests of the common varieties. According to the low-toxic effect sugarcane planting method provided by the invention, by coordination with growing environment, the disease and insect resisting capability of sugarcane is enhanced, forecasting for plant diseases and insect pests is enhanced, the using of pesticides is lowered, production and quality of the sugarcane are enhanced, and the yield is increased.

The invention discloses an overwintering management method of zanthoxylum bungeanum maxim trees in a full bearing period and relates to the technical field of planting and curing of fruit trees. Measures such as ridging and cold protection, whitening of trunks, soil amelioration and fertilization, and shaping and pruning are mainly adopted, shaping and pruning are keys for solving illumination ofinner bores of the zanthoxylum bungeanum maxim trees in the full bearing period, and regeneration and invigoration of inner bore bearing branch groups are strengthened; interiors and exteriors are exposed to the sunshine, so that the luminous energy and air are sufficiently used, the fruiting phenomenon of the zanthoxylum bungeanum maxim trees in the major or minor year is avoided, and the fruiting age limit is prolonged; the active soil layer is improved through soil amelioration and fertilization, the functions of temperature raising, preservation of soil moisture and cold protection are achieved, the florescence capacity of the zanthoxylum bungeanum maxim trees in the full bearing period is improved, the yield and quality are improved, and the age limit of the full bearing period is prolonged.

The invention discloses a method for achieving film mulching seedling cultivation of paeonia suffruticosa. The method comprises the steps of seed treatment, seed conservation and seedling cultivation. Compared with the prior art, the method has the following advantages that film mulching is adopted in the seedling cultivation stage, the portions punched with holes are sealed with a seedling compound agent, the evaporation velocity of soil is decreased, a moisture keeping effect is achieved, ground radiation can be reduced, ground temperature can be increased, and germination can be promoted; the upper half portions of germinated seedlings are exposed outwards, the temperature and humidity are relatively low, improvement of cold resistance is promoted, the lower half portions of plants are located in mulching film, the temperature is high, the seedling compound agent acts on the lower half portions of the plants in the late period, the effect of reducing diseases is achieved, hygroscopic absorption of roots of the plants is improved, root growth is promoted, the obtained seedlings are thick and robust, and the success rate of seedling cultivation reaches up to 97%.

The invention relates to a cultivation method of corn with stubbles and covering crops, in particular to a cultivation method of the corn and the covering crops. The method solves the problems that in arid and semi-arid cold areas, normal growth of the corn cannot be guaranteed with an existing corn and covering crop cultivation method and the biological yield of the covering crops is low. The method comprises the following steps: 1, harvesting field corn and reserving the stubbles; 2, conducting sowing in spring of the next year; and 3, carrying out field management. According to the invention, the growth time of the covering crops is prolonged, so that the biological yield of the covering crops is increased; and the corn stubbles and residual bodies of the covering crops are returned to the field, the organic matter content of soil can be increased, and the soil is protected. The method is particularly suitable for being applied to the arid and semi-arid cold areas, normal growth of the corn is fully guaranteed, meanwhile, the growth period of the covering crops is prolonged, and the biological yield of the covering crops is increased. According to the method, the original corn stubbles are reserved in the field, so that the soil disturbance is small, and the soil moisture conservation effect is achieved in spring.

The invention discloses a straw-mulching film dual-covering ridge-culture potato cultivation method for plateau regions and relates to the field of crop cultivation. The method comprises the followingsteps: (1) land preparation and fertilizer application: selecting a flat land parcel, carrying out pre-sowing deep-plowing land preparation, and carrying out basal fertilizer application; (2) ridge forming: carrying out equidistant ridge forming on the flat field mechanically or manually; (3) sowing: dibbling seed potatoes in ridges; (4) straw covering: crushing straws, and uniformly covering surfaces of the ridges with the crushed straws; (5) mulching film covering: covering the straws obtained in the step (4) with mulching films, and covering the mulching films with a layer of shallow soil;and (6) field management: carrying out water management, topdressing and disease and insect pest control. According to the method, through triple actions of day heating, night heat preservation and water-storage soil-moisture-preservation at a primary stage, early germination, sound seedling and vegetative growth of potatoes are promoted; and later-stage reproductive growth of the potatoes and rapid expanding of potato tubers are facilitated, so that the high yielding and early for-sale efficient planting of potatoes of irrigated fields is achieved.

The invention discloses a comprehensive improvement method for a sandy land farming layer. The method comprises the following steps that a certain dose of biomass carbon soil serves as a modifier and is mixed into sandy soil; the biomass carbon soil and the sandy soil are mixed to be uniform to form a mixture; the mixture is watered, and the moisture content reaches 30%-40%; cotton cloth is used for covering the mixture for a period of time; geomembrane is laid on an original sandy soil layer; the mixture is spread on the geomembrane uniformly according to certain thickness, and an improved farming layer is formed. The effective ingredients in the sandy soil are effectively improved, the effective ingredient proportion suitable for plant growth is achieved, a long-term virtuous cycle is formed, waste development and utilization are achieved, and safety, environment friendliness, energy conservation, emission reduction and sustainable development are achieved. The defects that an existing improvement technology is complex, high in cost, not systematic, unhealthy and not persistent are overcome.

The invention relates to the field of agricultural machinery, and particularly discloses seeding equipment and a building method of a bupleurum chinense growth farmland ecosystem. The seeding equipment comprises a traction frame, a seeding assembly and a blowing device; the traction frame is connected with a traction vehicle, automatic seeding can be realized, and the labor intensity is reduced; the seeding assembly comprises a hopper installed on the traction frame and a plurality of material guiding mechanisms installed on the hopper; a plurality of discharging openings are formed in the hopper in a first direction; the discharging openings are connected with the material guiding mechanisms in a one-to-one correspondence mode; the distance between every two adjacent material guiding mechanisms is equal; the material guiding mechanisms are used for guiding seeds in the hopper to the ground and can guarantee that after the seeds emerge, seedlings are tidy and uniform in density; an airinlet is formed in one of the two opposite side walls of the hopper and an air outlet is formed in the other side wall of the hopper; and the blowing device communicates with the air inlet and is used for blowing air into the hopper, so impurities mixed in the seeds are removed through the blowing device and the screening procedure before seeding is omitted.

The invention provides a mulching film breeding method of seedlings of traditional Chinese medicinal materials. According to the method, the mulching film is mulched on the ground, holes are formed in the mulching film, and seeds are thrown into the holes and are mulched with thick wet soil and sealed with thick sand; owing to the isolation effect of the mulching film, the soil moisture evaporation speed is relatively decreased, the soil moisture can be stored in the soil for a long time, ground temperature can be increased effectively, and sufficient moisture and proper temperature are provided to the seeds for germinating; when mulching film mulching planting is performed, medicine seedlings aboveground parts have no mulches, incidence of pests and diseases is reduced, pesticide usage is reduced, and germination rate of the traditional Chinese medicinal materials is increased effectively.

Mulching film is prepared from, by weight, 2-15 parts of vinyl acetate-ethylene-vinyl versatate and 85-98 parts of water, or 2-15 parts of vinyl acetate-vinyl versatate-mleic acid ester and 85-98 parts of water, or 2-15 parts of vinyl acetate-acrylic ester and 85-98 parts of water, or 2-15 parts of vinyl acetate-ethylene-acrylic ester and 85-98 parts of water. By means of the mulching film, traditional plastic mulching film which is difficult to degrade for recycling is replaced, the functions of the mulching film for soil moisture conservation and temperature conservation of soil are achieved, and white pollution is avoided. In addition, the mulching film is left on a consolidation layer on the surface of sandy soil or the soil, when the mulching film enters the sandy soil or the soil, increasing of granular structures and improvement of breathability are facilitated, and improvement of the sandy soil and the soil and the plant growth are facilitated.

The invention relates to a method of preventing diseases by separating pathogenic bacteria by covering fence frame grapery films, which comprises the following steps: applying enough grape expanding fertilizer and grape coloring fertilizer in the grapery; then, respectively covering a film on both sides of the grape rhizome along the grape row direction; and lapping the two films below the grape rhizome, and tightly pressing the surroundings of the films with soil. The invention has the advantages that the occurrence of disease problems can be reduced, the quality of fruit can be improved, the output of the fruit can be increased, the economic benefit of the grapery can be increased, and the environment pollution can be reduced.

The invention relates to the field of agricultural planting, and provides an early maturing culture method of corn. The method comprises the steps that seeds are sowed in a planting field, and a hole is arranged above the sowed seeds. The hole is covered with a mulching film. After seeds sprout, holes are punched in the surface of the mulching film, and seedlings can pass through the film holes to keep growing. The method can make fresh edible corn on the market around 10 days earlier, which effectively increases farmers' income and ensures green safety production. The method is capable of making effects of cold protection, seedling protection and soil moisture conservation, and has the advantages of low cost, advance, practicality and strong operability, thereby facilitating the technical extension and radiation and playing a role of driving effect.

The invention discloses a combine for tillage seeding machine and corn harvesting seeding machine, wherein a seeding and fertilizer discharging mechanism is arranged above the stalk disintegrating roller, a plough is connected to the seed delivery and fertilizer spout which is driven by a soil wheel device, the seed delivery and fertilizer spout passes through the gap between the plough handle and the roller knife blades. The unit can accomplish all the operations of harvesting, stalk recovery, sowing and fertilizer application in one time.

The invention discloses a root irrigation water-saving cultivation method for plants in a secondary saline-alkali land. The method belongs to the technical field of root irrigation water saving for plants in secondary saline-alkali lands. The method comprises the steps that the land is selected, animal rotten feces, sawn wood powder and desulfurized gypsum powder are applied on the land surface; land surface ploughing and irrigation are conducted to the saline-alkali land; base fertilizers are applied; trapezoid soil heaps and inversed trapezoid grooves are trimmed; punching and application of soil fertility fertilizers are conducted; drip irrigation equipment is embedded; and sowing, film covering, irrigation and dropper management are carried out in selected periods. The method disclosed by the invention has the advantages that operations are simple; a root irrigation technology is adopted; water use demands of the plants can be ensured; root irrigation is carried out to the plants in different growth periods of plants, and water saving can be achieved; soil looseness can be increased, and the soil hardening degree can be improved; water conservation, fertilizer conservation and temperature increase can be achieved; soluble salt ions can be rapidly leached into a plough layer; and through full film covering, soil salt can be restrained from gathering on the soil surface, the salt ions are not transported to the superficial soil with water, and superficial gathering of the salt can be controlled.

The invention provides a combined soil preparation machine with functions of seedling protection, soil cutting, ditching, rotary tillage, soil crushing, pressing and soil moisture conservation for crops such as vegetables and corns. The combined soil preparation machine comprises three parts: firstly, a breast board type seedling protection device is designed, and crop stems and leaves are pushedto the peripheries of a disc cutter and a rotary cultivator during operation, so that the stems and leaves are prevented from being cut; secondly, a disc type soil cutting device is designed and installed on a machine body of a common mini-tiller, the position of a cutter head is adjusted according to the row spacing of the crops during operation, a soil cutting disc is tightly attached to the roots of the crops to cut soil according to the growth characteristics of roots of the crops, and small ponding ditches are formed; and thirdly, a rear output shaft of the common mini-tiller is connectedwith the rotary cultivator, the rotary cultivator is used for unscrewing the soil and preliminarily crushing the soil, the rotary tillage depth is adjusted by utilizing the height of a pressing roller and the pre-tightening force of a floating spring, and the pressing roller not only can limit the rotary tillage depth of a subsoiler, but also can further crush soil blocks to achieve the effects of limiting the depth, crushing the soil and preserving soil moisture.