102 results about "Stubble-mulching" patented technology

The invention discloses a protective garlic cultivation method, which includes: preforming no tillage for moisture sides of soil with preceding crop straw clipped, and digging an irrigation and drainage ditch between two moisture sides. Garlic serves as the main crop, broad bean or pea serves as the auxiliary crop, a main crop area is 160cm in breadth, an auxiliary crop area is 40cm in breadth, the two areas are 20cm away from each other, a no-tillage garlic hill-drop planter is used to drill holes for planting garlic, spacing in rows and spacing between rows of garlic are 5cmX5cm, spacing inrows and spacing between rows of the auxiliary crop are 10cmX10cm, organic fertilizer, phosphate fertilizer and nitrogenous fertilizer serve as base fertilizer for the main crop, organic fertilizer and phosphate fertilizer serve as the base fertilizer for the auxiliary crop, the surface of the soil is covered with straws after seeding, and the main crop is topdressed with nitrogenous fertilizer and potash fertilizer. By the method, garlic yield is increased greatly by 15%, microbial activity and organic content of the soil are increased by 15% and 12% respectively, income is increased by 26%,nitrate nitrogen in penetrating water of the soil is reduced by 66%, accumulation of nitrate nitrogen in the soil is reduced by 22%, and loss of total nitrogen is reduced by 77%.

The invention relates to a rainwater collection and water-saving irrigation pollution control system and method for a sloping field, wherein contour no-tillage straw mulching and contour plant hedgerow measures, rainwater collection cellars and gravity trickle irrigation equipment are comprised. The rainwater collection and water-saving irrigation pollution control method comprises the following steps of: designing 2-4 rainwater collection cellars from a slope top to a slope bottom according to the terrain of a river basin sloping field, wherein the sloping fields which is positioned above the rainwater collection cellars and subjected to the contour no-tillage straw mulching and contour plant hedgerow measures are taken as rainwater collection surfaces, and the rainwater collection cellars are mainly built in a semi-underground way, provided with two rainwater outlets along the ground and cellar bottoms and respectively connected with 2-4 gravity trickle irrigation equipment; and carrying out partitioning gravity trickle irrigation on sloping farmlands positioned below the rainwater collection cellars. The invention can effectively reduce the pollution of water losses and soil erosion on a water body by carrying out space-time integrated regulation and control on the water losses and soil erosion of the sloping field and the redistribution of collected rainwater according to the change of raining time and the characteristics of the sloping field, and solve the problem that the sloping field can not be irrigated in a dry season through the redistribution of the collected rainwater, thereby enhancing the multiple-cropping index and the output of crops of the sloping field; and in addition, the invention can be widely used for the integrated management and control of therainwater for the sloping fields in the southwest regions in China.

The invention discloses a building aggregate mine in-situ soil improvement and greening method. The building aggregate mine in-situ soil improvement and greening method comprises the following steps:facility repairing; gully backfilling; protection of a soil discharge slope surface; in-situ improvement: spreading improved materials prepared by mixing on the surface of a dump, and mixing by loosening and raking; in-situ greening: planting tree species in an improved soil layer according to the spacing of 2-4 m; spraying bonding slurry containing mixed grass shrub seeds by using a spraying andsowing vehicle, and carrying out shallow consolidation on the disturbed surface layer; after shallow layer consolidation is finished, spreading straws on the surface to cover the surface; and maintenance management: carrying out seed supplement, seedling supplement, fertilization and pest control. The building aggregate mine in-situ soil improvement and greening method has the beneficial effects that based on scientific determination of plant species and rational allocation, recovery of vegetation of aggregate mine dumps in most of areas including arid and semi-arid areas, warm temperate zonesand subtropical and tropical areas in China can be met basically, and if measures of anti-seepage isolation, pollution control measures and the like are added reasonably, recovery of vegetation of special sites such as a nonferrous metal mine waste stone yard and landfill site can also be met.

The invention belongs to the technical field of crop cultivation, and particularly relates to an interplanting and no-tillage planting method among corn, a soybean and a potato. The interplanting and no-tillage planting method among the corn, the soybean and the potato comprises the following steps of planting site selection, variety selection, planting mode selection, timely early sowing, paclobutrazol seed dressing, straw covering, weed prevention and control, pest control and nutrient and water management. According to the planting method, rotation of crops in different seasons are reasonably arranged, so that the planting time of the crops in the different seasons is more compact; collocation of leaf area index spaces of the crops is more reasonable; shading influences of long-stalked crops on short-stalked crops are reduced; an idle period of land is shortened; a multiple crop index of the land is increased; a yield per unit area is increased; a yield per unit land area is increased. The planting method realizes triple cropping under the condition that next-year rotation is not influenced.

The invention belongs to the technical field of agricultural machinery and particularly relates to a pneumatic accelerated shoot-sowing apparatus, comprising a seed discharge mechanism, a pneumatic mechanism and shoot-sowing tube (8). Wheat seeds discharged from the seed discharge mechanism are accelerated and shot into soil via the shoot-sowing tube (8) under the action of the pneumatic mechanism. Non-contact high-pressure pneumatic continuous shoot sowing is adopted herein; wheat seeds are accelerated by a high-pressure air flow and shot into soil; a sowing component is not in contact with soil so that adhesion is avoided, and disturbance upon soil and operational resistance are decreased. The pneumatic accelerated shoot-sowing apparatus is suitable for no-tillage sowing of wheat in a wheat-rice rotation region with no straw covering.

The invention provides a field regulating method for improving facility salinity soil. The method comprises the steps of applying soil structure conditioners and soil water-retaining agents on the surface of soil in sequence, mulching the soil with straw pieces to form a straw mulching layer, and spraying EM active calcium liquid onto the straw mulching layer finally. According to the method, regulation is conducted with the straw, the soil structure conditioners, the soil water-retaining agents, quick lime and effective microorganisms as main raw materials, facility cultivation salinity soil salinity is effectively reduced, and the content of organic matter, available nitrogen, phosphorus and potassium in surface soil is increased.

The invention belongs to the technical field of crops planting, in particular to a method for planting peanuts in saline-alkali soil, based on straw mulching, salt inhibition and seedling preservation. Through the adoption of the method for planting peanuts in saline-alkali soil, based on straw mulching, salt inhibition and seedling preservation disclosed by the invention, after the peanuts are sowed in the saline-alkali land, previous-crop wheat straw is used for mulching the peanuts, so that increasing the seedling emergence rate of the peanuts is facilitated, growth development are promoted, leaf area indexes are increased, the crop covering degree is increased, and the purpose of alkali controlling and salt inhibition are achieved; and in general, a line spacing complete mulching manner of sowing lines is better than a half mulching manner of only mulching the sowing lines.

The invention discloses a novel micro-ploughing device with a cutter. The novel micro-ploughing device is not only suitable for a no-tillage seeding operation in a general empty field, but also suitable for carrying out no-tillage seeding operation under the condition that straws are left on the field surface. The novel micro-ploughing device is combined by combination of a cutter with a dentate edge and a plurality of micro-ploughing wings which are fixedly arranged on two sides (or one side) of the cutter in a ring. The device is arranged in the front of a machine tool during operation and is pressed into soil by a certain depth by dead load of the machine tool; the device generates driving torque on the cutter to drive the cutter to roll by virtue of soil resistance when the machine tool is pulled forwards; the device is capable of achieving comprehensive functions of cutting off straws and stubbles on the field surfaces of seeding rows, carrying out strip micro tilling on the seeding rows and forming seeding grooves, thus the ideal target of no-tillage seeding operation is achieved. An included angle between the projection of the cutter disclosed by the invention on a horizontal plane and the advancing direction of the machine is -45 degrees to 45 degrees; different micro tilling effects can be obtained by adjusting the size of the included angle; and therefore, the novel micro-ploughing device is especially suitable for the planting mode of straw coverage and no-tillage seeding, and has the advantages of being simple in overall structure, good in tillage quality, high in efficiency, high in adaptability and high in reliability.