174results about "Steam soil sterilisation" patented technology

The invention discloses a soil disinfection high-temperature sterilizing desinsection vehicle which comprises a frame crossbeam and frame side supporting plates fixed on both ends of the frame crossbeam; a gear box is fixedly connected below the frame crossbeam; the front end of the gear box is provided with a connecting frame; the rear end of the gear box is provided with a rotary blade shaft; both ends of the rotary blade shaft are supported to the lower end of the frame side supporting plates; the rotary blade shaft is provided with a rotary blade; an electrical heating device with a downward opening is wrapped on the rotary blade. The approximate central part of the frame crossbeam is provided with an inclined upward expansion oil cylinder. Apart from the rotary tillage of the soil, the vehicle kills the germs in the soil and the pests with virus at high temperature produced by the electrical heating device, can effectively kill the germs and pests including root knot nematode and has high operation efficiency; because no highly toxic pesticide is used, public nuisance, such as water pollution, soil pollution, over standard of pesticide residue in agricultural products, etc. brought by the highly toxic pesticide are eradicated.

The method and the system are applicable in farming activities, pest control, industry, agriculture, forestry, etc. for controlling insects and other plant pests from crops. The system performing the method comprises a source of lethal impact which is a microwave generator with a microwave guiding element directed so as to infested soil. The microwave energy is transferred from a microwave generator into the pests located in the desired soil location, killing the plant insects and pests.

A method of cultivating crops and cover-crops, interactively and sustainably, using a novel hot water apparatus. The apparatus enables the farmer to prepare a soil bed for planting with a no-till method that: controls nematodes and soil pathogens, promotes nutrient cycling of cover crops and organic materials, kills weeds and weed seeds, and cultivates healthy soil micro flora. A low-pressure (5-60 psi) hot water (120-209 F) delivery system, characterized by a flexible mat which evenly distributes water to the underside of the mat where an attached layer of material with a high water holding capacity saturates and conducts scalding water onto the weeds. A hot water recirculation and heat exchange system reduces water demands while maintaining a high thermo charge in the mat. After soil cools, plants or seeds are planted directly through the mulch of dead weeds or cover crop. Inoculation of soil of microbes promote soil health and crop production.

A mobile apparatus for heat treating agricultural material in a milling bin for insect and pest control comprises a frame having a plurality of wheels, an air handling device having an inlet for receiving air and an outlet through which a flow of air is delivered, and a heater having a channel in fluid communication with the air handling device. The heater is capable of heating air in the channel to a temperature of at least about 130° F. The apparatus also include a conduit in fluid communication with the heater for delivering the flow of heated air into the interior of the milling bin, and a controller for maintaining an air temperature within the conduit effective for treating the agricultural material for insect and pest control.

An ultra-strong water absorbent for agricultural purpose is prepared from bentone, acrylamide, acrylic acid and urea through radiated copolymerization. A Se-enriched drought resisting agent for plants is prepared from said ultra-strong water absorbent, Se, plant growth regulator, oxygen releasing agent, antibacterial antiseptic, cold resisting agent, penetrant, trace elements and additive.

The soil processing method of the invention comprises the steps of slipping a microwave radiator into soil and then radiating microwaves to the soil that becomes a processing subject from the microwave radiator. In this case, methods for slipping the microwave radiator into soil that may be employed include one for slipping a submarining body containing a microwave radiator while driving a farm implement by a submarining pawl mechanism similar to a chisel or subsoil, another for vertically thrusting it into or pulling it out of soil by a power arm, and another for vertically thrusting it into or pulling it out of soil by utilizing various vertical excavating devices. According to the invention, it is possible to effectively apply the influence of microwaves to the soil in a deep region that can hardly be influenced by microwave radiation directed to the surface of a paddy field. Thereby, it is possible to expect various agriculturally useful influences, for example, plant growth adjustment, germinal time adjustment, soil disinfection, and soil improvement.

The present invention is high temperature water soil sterilizing method and high temperature water soil sterilizing machine. After the soil to be sterilized is loosened, hot water spraying pipes with dense water spraying holes are spread, heat insulating film is covered onto the soil and the pipes, and hot water heated to 37-95 deg.c in the high temperature water soil sterilizing machine is sprayed to soil and maintained for 0.5-5.0 hr to sterilize soil. The said method can kill pests and germs while retaining great amount of saprophytic rhizobia in soil, has no harm to crops and no environmental pollution and is favorable to production of green agricultural product.

The invention discloses a method for disinfecting soil through high-temperature shed closing and ammonia fumigating, comprising the following steps of in summer, plowing and loosening the soil which is serious in disease and needed to be disinfected, building an arched shed above the soil, covering and sealing the soil by using a transparent polyethylene plastic film to form a high-temperature environment in the shed; and placing a container filled with stronger ammonia water in the arched shed to fumigate and disinfect the soil, wherein the usage amount of the stronger ammonia water is 25kg / 240m<2>soil / time, the stronger ammonia water is replaced every two days and the continuous disinfecting time is 10-15 days. The method disclosed by the invention has the advantages that the characteristic that the permeating force and the fumigating force of ammonia can be greatly enhanced at the high temperature in summer is fully utilized and dual effects of continuous high temperature soil disinfection and continuous ammonia fumigating soil disinfection are superposed to ensure that more stable and more thorough soil disinfection effect is achieved; the ammonia can be changed into fertilizer after being absorbed by water and residual ammonia is not needed to be dispersed through widely opening and ventilating like methyl bromide to ensure that no harm or environmental pollution is produced; and therefore, the method can be popularized and applied.

The invention discloses a purpose of allyl isothiocyanate for disinfection of panax notoginseng continuous cropping soil. Disinfection of the panax notoginseng continuous cropping soil includes the following steps that the soil is processed, the soil in which panax notoginseng is planted is deeply harrowed, aired and ridged, the absolute water content of the soil is adjusted, and the soil is kept moist; fumigant is sprayed, a dilute aqueous solution of the allyl isothiocyanate is evenly sprayed on the processed soil; sealed fumigation is conducted, and the ground surface is sealed for 7-15 days through a transparent film. The allyl isothiocyanate is used for fumigation disinfection of the panax notoginseng continuous cropping soil, the good nematode killing and bacterium resistance activity is achieved, meanwhile, the allyl isothiocyanate is from plants and belongs to a environment-friendly compound, and pollution to the environment is avoided.

The solar steam apparatus for killing soil pests in garden includes at least one sunlight reflecting board capable of swinging in the frame, one water-to-steam converting pipe on each sunlight reflecting board and with one end connected to the water inlet pipe and the other end to the steam conveying pipeline, one netted or grille steam exhausting pipe with several steam outlets, one temperature controlling device connected to the steam conveying pipeline, one pressure regulating valve, one steam pump, and flow rate pump connected serially to the water inlet pipe. The solar steam apparatus can kill germs, pests and other harmful organisms in soil, and has simple operation, low application cost and no environmental pollution.

In a soil processing method of the present invention, a microwave radiator is made to move into soil, and microwaves are thereafter radiated from the microwave radiator to soil to be processed. As a method for making the microwave radiator move into soil, a method in which an underground mover incorporating the microwave radiator is made to move underground while making a cultivator move underground by means of a underground-moving claw mechanism similar to a chisel or subsoiler, a method in which the microwave radiator is vertically thrust into and drawn out from soil by a power arm, or a method in which the microwave radiator is vertically thrust into and drawn out from soil by using one of various vertical excavation devices may be used. According to the present invention, the influence of microwaves on soil in a deep region not easily influenced by microwave radiation to a farm surface can be effectively improved to ensure that various functions useful in agriculture, e.g., the function of adjusting the growth of a plant, the function of adjusting germination time, the function of sterilizing soil and the function of remedying soil can be expected.

An apparatus and method for heat treating soil with or without sunlight, and more particularly to killing weed pests by pasteurizing a top soil thereby rendering the top soil particularly suitable for planting a fresh crop therein. In one embodiment a top soil heat treatment apparatus for pasteurizing a top soil is provided, the apparatus comprises a housing, a soil heater, and a first soil mover, such as a helical screw, adapted to contact a top soil with the heat source to provide pasteurized stop soil. A method is also provided to produce a pasteurized top soil suitable for planting a crop. The method comprises the step of transferring heat energy from a soil heater to a top soil in order to produce the pasteurized top soil. The pasteurized top soil has a substantially reduced capability of growing weeds and an enhanced capability of growing a crop planted therein.

An apparatus and a method are described for sterilizing seed beds in soil. The apparatus is comprised of at least one hot water injecting chamber defined by a pair of spaced-apart side walls secured to one another and defining therebetween a passage. A plurality of jet holes are provided in an inner surface of each of the side walls and facing the direction of the passage. The jet holes communicate with a manifold associated with each side wall which is connected to a supply of pressurized hot water. Each of the side walls is configured to penetrate into the soil in at least a lower region thereof whereby to inject into the soil in the passage between the pair of plates the pressurized hot water as the hot water injecting chamber is displaced in the soil.

The method and the system are applicable in farming activities, pest control, industry, agriculture, forestry, etc. for controlling insects and other plant pests from crops. The system performing the method comprises a source of lethal impact which is a microwave generator with a microwave guiding element directed so as to infested soil. The microwave energy is transferred from a microwave generator into the pests located in the desired soil location, killing the plant insects and pests.

A method and a system for soil disinfection and aeration by generating shock waves and a flow of detonation products on soil particles. The system includes a combustion chamber having an input port for supplying a predetermined air-fuel mixture to the combustion chamber. An igniter for igniting the air-fuel mixture in the combustion chamber. Means for shifting soil particles into an internal space where shock waves propagate. Rotovator which has rotary blades crumbles soil and shifts soil particles into the internal space of the rotovator. A flame arrester is attached between an air-fuel supply line and the input port. An outlet nozzle increases pressure of the detonation wave and thereby increases the pressure of shock waves and the velocity of detonation products A reflecting plate operates to reflect shock waves after the shock waves pass the soil particles Soil particles receive an additional impact during collision with the reflector plate. The system may be connected and pulled by a mode of transportation used in agriculture, such as a tractor, to efficiently disinfect large areas of soil

The invention discloses an ecological planting method of red Chinese pears. The planting method includes the following steps of field selection, soil preparation, planting, management of water and fertilizer, management of flowers and fruits, prevention and treatment of diseases and pests and shaping and pruning. According to the planting method, by using a plant extract as pesticide and adoptingdecomposed organic fertilizer as fertility supplement, investment of pesticide and fertilizer is effectively avoided, ecological planting of the red Chinese pears is achieved, no pressure is caused tosoil, the problems such as soil caking and pesticide residues are avoided, and the obtained pears are high in safety and yield, large in size, great in coloring, endurable to preservation and transportation and remarkable in economic benefit. By pruning in spring, growth of branches is facilitated, and illumination is improved. By pruning in winter, tree crowns expand appropriately, and early fruiting is facilitated. Through comprehensive management of the red Chinese pears, the quality of the pears is effectively improved, and the excellent quality and high yield of fruits are achieved.

The present invention relates to a method for reducing the total number of pathogens of one or more pathogen living in turf. This invention provides a number of devices to safely deliver the UV light to plants. In one embodiment, the device is made of a plurality of UV emitting devices imbedded in a face of a stationary bed knife blade. The plurality of UV emitting devices forming an arc of substantially continuous UV coverage. This modified bed-knife can be incorporated into a lawn mower to provide UV radiation, while at the same time cutting the turf.

The invention discloses an efficient soil disinfection and fertilization device. The efficient soil disinfection and fertilization device comprises a frame, a rotating drum is arranged among the support legs of the frame, and the left of the rotating drum is fixedly connected with a shovel bucket; a first driving shaft is arranged inside the rotating drum and fixedly connected with first spiral blades. The efficient soil disinfection and fertilization device can dig out deep soil through the shovel bucket and the rotating drum, stir the soil through the spiral blades and crush clods through crushing blades; the efficient soil disinfection and fertilization device also comprises a steam generating device, which can generate steam and uniformly and efficiently heat the soil through circumferentially-distributed atomizing spray nozzles to greatly improve the soil disinfecting efficiency and effects; the crushing blades and a grinding barrel can crush fertilizer into powder and then the spiral blades can efficiently mix the powder fertilizer with the soil to improve the fertilizer application uniformity and effects, to save fertilizer and to improve the working efficiency.

A system and method for nematode extermination in lawns using an array of insulated heat blankets (2) placed on the lawn, and energized in a controlled sequence to raise the soil temperature to an effective degree and depth to exterminate nematodes. An electric current controller such as a programmable logic controller (PLC) activates a first subset of the blankets (2) until they reach an upper setpoint temperature, then maintains the blanket temperature within a desired range with reduced current while activating additional blankets. The heat penetrates the soil over a period of about 20 to 50 hours to raise the temperature to at least about 52° C. (125° F.) at a sufficient depth such as at least 12 cm (4.7 inches) to kill at least most nematodes.

The invention provides a soil disinfecting method, which uses micro-nano bubble ozone water with the ozone concentration of 70-10 mg / L for spraying soil for disinfection and disinfects the soil by combining an ozone sterilization technology with a micro-nano bubble technology. According to the soil disinfecting method, ozone is produced by an ozone generator, the ozone is quickly dissolved into water through a micro-nano bubble generating device, and the soil to be treated is sprayed or irrigated so as to kill harmful pathogenic microorganisms in the soil, thus achieving an aim of disinfecting the soil. By the soil disinfecting method, soil-borne diseases are effectively prevented and treated, pesticide residues are avoided, and a standard for green production of crops is met.

A method for killing the harmful living things in soil by use of ozone includes such steps as deep ploughing for breaking off the soil while spraying water until the content of water in soil is 55-75%, making ridges, covering a plastic film on the ridges, sealing the edges of said plastic film, filling ozone into the space under plastic film at the speed of 10g / hr for 90-150 hr, and removing the plastic film.

The invention relates to the technical field of soil disinfection and improvement, in particular to an abandoned ginseng land soil improvement method. The technical scheme includes that the abandoned ginseng land soil improvement method includes the steps: sequentially disinfecting and restoring soil to be disinfected; performing plant restoration for the soil to be disinfected. Soil disinfection includes physical soil disinfection and chemical soil disinfection. The invention further provides a special device for physical soil disinfection and chemical soil disinfection. Compared with the prior art, the abandoned ginseng land soil improvement method has the advantages that abandoned ginseng land soil is improved by transforming and comprehensively using abandoned ginseng land, soil productivity is restored, and the abandoned ginseng land is reused by successive cropping. A soil environment more beneficial to ginseng growth is created, forest resources and the standing stock of ginseng under forest are increased, special machinery is used for operations such as disinfection, manpower cost is reduced, and working efficiency is improved.

Provided is a ground sterilizing device that can efficiently and sufficiently sterilize ground to be treated, and that has superior safety, being able to sterilize ground to be treated without using a chemical agent. The invention is configured provided with: a boiler (2) that generates steam; a superheated steam generation device (3) that generates superheated steam from the steam transferred from the boiler; a superheated steam supply unit (4) that is buried in the ground (X) to be treated during sterilizing processing, and that supplies the superheated steam into the ground (X); and a supply tube unit (5) that supplies the superheated steam generated by the superheated steam generation device (3) to the superheated steam supply unit (4).

The invention discloses a soil particle fumigant taking one or two of activated carbon particles and activated aluminum oxide particles as a particle carrier which is absorbed with the fumigant, wherein the fumigant is one or two of acquinite and 1,3-dichloropropylene. The soil particle fumigant is characterized in that the particle carrier absorbed with the fumigant is externally coated with a coating made from at least one material of urea, polyvinyl alcohol and gelatin. The soil particle fumigant has good effects for killing nematodes and pathogenic bacteria, high drug utilization rate and long residual life, is safe, economic and convenient in use, and is the most dominant substitute for bromomethane (CH3Br) in the worldwide scope at present.

The method and the system are applicable in farming activities, pest control, industry, agriculture, forestry, etc. for controlling insects and other plant pests from crops. The system performing the method comprises a source of lethal impact which is a microwave generator with a microwave guiding element directed so as to infested soil. The microwave energy is transferred from a microwave generator into the pests located in the desired soil location, killing the plant insects and pests.

The invention discloses a panax notoginseng planting soil disinfecting method. Steam pipelines are reasonably arranged through input of high-temperature steam in a steam boiler, panax notoginseng planting soil is disinfected under a high temperature through a movable steam metal pipe frame to kill a large number of harmful bacteria in the soil, harmful substances generated in the panax notoginseng planting process are subjected to degradation, panax notoginseng successive cropping obstacles are broken through, panax notoginseng diseases can be obviously reduced, less or no pesticide is needed, so that panax notoginseng quality is guaranteed. Under the condition of reasonably adding organic fertilizer, panax notoginseng planting can be carried out on the same cultivated land continuously a plurality of times, other new panax notoginseng planting land is not needed, panax notoginseng land supplement and demand contradictions can be avoided, panax notoginseng fundamental and standard planting is facilitated, and a panax notoginseng GAP planting foundation is formed. The method is easy to implement and practical, factory-like panax notoginseng planting is facilitated, panax notoginseng quality is guaranteed, the ecological environment is protected, and obvious economical, social and ecological benefits are achieved.

The invention discloses an organic cabbage direct sowing culture method which comprises the steps of (1) land selection; (2) land preparation; (3) base fertilizer application; (4) seed treatment; (5) direct sowing seedling cultivation; (6) film mulching; (7) field planting; (8) water and fertilizer management; (9) inter-tillage weeding; (10) pest control; (11) leaf binding; according to the direct sowing culture method, cabbage cultivation is improved from all steps, sterilization and disinfection are performed on the soil with a steam high-temperature sterilization and disinfection method, the purpose of thoroughly and effectively preventing and curing the pests is realized by specific pest control means, and the finally cultivated cabbages are high in quality and yield and uniform in growth vigor, and the economic benefits are improved.

The method and the system are applicable in farming activities, pest control, industry, agriculture, forestry, etc. for controlling insects and other plant pests from crops. The system performing the method comprises a source of lethal impact which is a microwave generator with a microwave guiding element directed so as to infested soil. The microwave energy is transferred from a microwave generator into the pests located in the desired soil location, killing the plant insects and pests.