34results about How to "Increase fertility" patented technology

The invention relates to the technical field of soil treatment, and discloses a soil disinfection and soil remediation combined method and device. The soil disinfection and soil remediation combined device comprises a box body and a tank body, the upper end of the box body is fixedly connected with the side wall of the tank body through a round opening, an opening is formed in the upper end of the tank body, and a sealing plate is connected to the opening through a lock catch; an air inlet pipe is fixedly connected to the inner wall of the lower end of the tank body, the lower end of the air inlet pipe penetrates through the side wall of the tank body and is fixedly connected with a shell, the shell is of a cylindrical structure, a pressurizing mechanism is connected into the shell, sleeves are fixedly connected to the two sides of the shell, and air supply pipes are fixedly connected to the opposite ends of the two sleeves; right-angle bent pipes are fixedly connected to the two opposite sides of the box body. According to the soil disinfection and soil remediation combined method and device, the volatilization amount and action time of the treatment medicine in the soil can be effectively controlled, the volatilization speed of the medicine on the surface layer and the deep layer of the soil is uniform, and the remediation and disinfection medicine is not prone to inhibiting crop growth.

The embodiment of the invention discloses a coated fertilizer for improving heavy metal contaminated soil and a preparation method thereof, and particularly relates to the field of fertilizers. The raw materials (in parts by weight) comprise 50-60 parts of base fertilizer, 8-12 parts of ground phosphate rock, 12-16 parts of seaweed powder, 6-10 parts of alginic acid, 6-10 parts of metal binding protein, 18-22 parts of coco coir, 6-10 parts of chitosan resin, 8-12 parts of activated carbon particles, 6-10 parts of linseed oil, and the balance of water. The preparation method comprises the following steps: mixing soaked and softened coco coir with a base fertilizer to form a new base fertilizer, then preparing coating slurry from ground phosphate rock, seaweed powder, alginic acid, metal binding protein, chitosan resin, activated carbon particles, residual coco coir and water, and finally coating, cooling and granulating the base fertilizer for multiple times by adopting the coating slurry. The coated fertilizer is slow in release and long in acting time, the fertility degree of soil can be effectively improved, and heavy metal in the soil can be well adsorbed and passivated.

The invention relates to the technical field of agriculture planting, in particular to a pepper planting method. A base for pepper planting is processed, circular processing is carried out through quick lime, clear lime water, farmyard manure, mulching films and the like, bacteria on the surface of the base are removed to a great extent, the organic content in soil of the base is improved, the environment for pepper planting and growing is improved, the fertile degree of the pepper planting environment is increased, box arranging and shed building are carried out on the pepper base, the growing environment in boxes and sheds can meet the requirement of peppers for the growing environment, the growing quality of the peppers is improved, the growing speed of the peppers is increased, the yield of the peppers is increased, and the planting cost of the peppers is reduced.

The invention relates to a reagent and method for restoring mercury-polluted soil by using modified activated carbon. The modified activated carbon is oxidation-activated carbon supporting sulfydryl and is prepared by the following steps: S1, adding activated carbon powder into a solution of KMnO4, H2O2 and HNO3, carrying out sealing, and carrying out an oscillating reaction; S2, washing the activated carbon subjected to the oscillation reaction in the step S1 to neutrality by using deionized water, and carrying out drying and grinding to obtain oxidation-modified activated carbon; S3, addingthe oxidation-modified activated carbon obtained in the step S2 into a sulfydryl material, carrying out sealing, and then carrying out a constant-temperature oscillation reaction; and S4, washing themodified activated carbon subjected to the oscillation reaction in the step S3 to neutrality by using ethanol and deionized water, carrying out secondary drying, and carrying out grinding to obtain the oxidation-activated carbon supporting sulfydryl. The provided reagent for restoring the mercury-polluted soil by using the modified activated carbon is simple to operate, the materials are easily available, stabilization efficiency of the modified activated carbon to the mercury-polluted soil is greatly improved, and secondary pollution is avoided.

The invention relates to a planting method of imitating wild Polygonatum, the following processing equipment is used in the planting method of imitating wild Polygonatum, the processing equipment includes a floor frame, a material distributing device and a planting device, the bottom frame is a U-shaped structure, the bottom frame A planting device is installed in the middle of the upper end, and a material distributing device is arranged above the planting device, and the material distributing device is installed on the bottom plate frame. The present invention can solve the problem that when the existing Rhizoma Polygonatum is planted and processed, manual cultivation is usually carried out manually, which has high labor intensity and low efficiency, which is not conducive to the large-scale planting of Rhizoma Polygonatum, and when the existing equipment is planting Rhizoma Rhizoma Polygonatum, planting The effect is poor, the efficiency is low, and the seedlings after planting are prone to dumping. At the same time, the seedlings cannot be effectively protected during the planting process, which is easy to cause damage to the seedlings and affect the survival rate of the seedlings.

The invention discloses an ex-situ oil thermal-desorption method. According to the invention, soil to be repaired is preheated by using heat of bottom residues of a biomass circulating fluidized bed boiler through a heat pipe heat exchange manner, then, pollutants in the soil are desorbed by using heat of circulating ash of the biomass circulating fluidized bed boiler through a direct heat exchange manner, meanwhile, the fertility of repaired soil is improved by using active ingredients in the circulating ash, and gaseous pollutants generated by desorption are introduced into the boiler to be incinerated and decomposed. On the basis of waste heat of the bottom residues of the boiler, thermal desorption of soil is realized, meanwhile, the fertility of soil is improved by blending active ingredients, and volatile pollutants generated by desorption are conveyed into the boiler to be incinerated directly, so that secondary pollution is avoided.

The invention discloses a shaping planting method for spindle-shaped pear trees. The shaping planting method comprises the following steps that (1), land parcel management is carried out before planting; (2), cultivation ridges are formed; (3), excellent and strong seedlings are selected; (4), a root system is treated; (5), planting is carried out and the height of trunks is kept; (6), managing is carried out in February to March in the same year of planting; (7), managing is carried out from April to June in the same year of planting; (8), managing is carried out from July to August in the planting year; (9), managing is carried out in October to November in the same year of planting; (10), managing is carried out in December of the planting year; (11), managing is carried out from February to March of the next year; (12), managing is carried out from April to June of the next year; (13), managing is carried out from July to August of the next year; (14), managing is carried out from October to November of the second year; and (15), managing is carried out in December of the next year. The shaping planting method is suitable for labor-saving management, simple and easy to master, high-quality fruit rate production is improved, and management technical difficulty and labor cost input are reduced.

The invention discloses a plowing and ridging device for green manure planting in orchards, which includes a main connecting frame, a front tilling assembly, a rear driving wheel, an auxiliary grinding assembly, and a ridging and shaping assembly. The main connecting machine The side of the frame far away from the rear driving wheel is connected and fixed with the peripheral driving vehicle through the connection hole through the limit bolt, and the driving work is performed on the orchard planting land by the peripheral driving vehicle. One side of the peripheral drive vehicle is provided with a front plowing assembly, an auxiliary grinding assembly, and a ridging and shaping assembly in sequence; the front plowing assembly performs preliminary plowing on the surface of the orchard, Auxiliary grinding components are arranged horizontally on the connecting frame, and the auxiliary grinding components perform auxiliary grinding on the fresh soil to make it loose mud in the form of unit particles, and the ridging and shaping components will cover the new soil on the surface The mud is partially stamped and shaped to make the inner covering of the mud compact.

The invention discloses a farm water quality aerator comprising a driving motor connected to a control cabinet and a Roots blower connected with an air pump through a gas pipeline, a transparent partition plate is arranged around the air pump and provided with venting holes, the air pump is connected to a gas storage tank provided with a pressure gauge, and one end of the gas storage tank is connected with a plurality of antibacterial oxygenation grids connected with a hose. The hose is connected with a variable orifice aeration hose fixed at the bottom of a pond and connected with a full automatic aeration controller connected to a water quality detector. The water quality detector is connected to an automatic filtration system connected to at least two aeration pumps. Automatic dosing devices are installed around the pond. An automatic filtering system and the automatic dosing devices are connected to a computer.

The invention discloses an ex-situ soil thermal desorption device. Soil to be repaired is preheated through heat of bottom residues of a biomass circulating fluidized bed boiler through a heat pipe heat exchange manner; then a direct heat exchange manner is used for desorbing pollutants in soil through heat of circulating ash of the biomass circulating fluidized bed boiler; and meanwhile fertility of the repaired soil is improved through active ingredients in the circulating ash, and gaseous pollutants generated through desorption are introduced into the boiler to be incinerated and decomposed. The device achieving the method comprises a slag conveying room, a first cold residue room, a second cold residue room, a third cold residue room, an inertia separating room, a preheating room, an analyzing room and a heat regeneration room. According to the ex-situ soil thermal desorption device, thermal desorption of the soil is achieved based on waste heat of the bottom residues of the boiler, meanwhile, fertilizer of the soil is improved by mixing active ingredients, volatile pollutants generated through desorption are sent into the boiler to be directly incinerated, and secondary pollution is avoided.

The invention relates to a preparation method of a soil remediation improver. The preparation method comprises the preparation steps: (1) uniformly mixing livestock manure, vegetable protein, viable bacteria, waste straw, silage and biological enzyme according to a ratio of 4:2:1:1:1:1, and putting the obtained mixture into a fermentation tank; (2) blowing air upwards from the bottom of the fermentation tank by using an air blower, supplying oxygen for 2 days, and then feeding into a turner, and turning and fermenting at the temperature of 50-65 DEG C for 8 days; and (3) screening and gradingthe fermented products, processing the screened and graded products into spherical particles with the particle size of 3.5-4.0 mm by using a particle sorting machine, and then drying, cooling and sub-packaging the spherical particles to obtain the finished product. In the soil remediation process, the functions of purifying water quality, loosening soil, enhancing soil breathability, storing waterand preserving soil moisture can be improved step by step.

The invention relates to the field of soil remediation, and provides a reclamation construction method for a desert land of an industrial mining area aiming at the problem that an existing electric remediation range is limited. The invention has the technical scheme that the reclamation construction method for the desert land of the industrial mining area comprises the following steps of (1) inserting a plurality of conveying pipes into the desert land of the industrial mining area, wherein electrodes are arranged on parts, inserted into soil, of the conveying pipes, and the conveying pipes are connected with positive and negative poles of direct voltage so as to form an anode pipe and a cathode pipe; (2) plating heavy metal hyperaccumulators on a soil surface; (3) electrifying the electrodes, wherein the anode pipe is connected with a positive pole of a power supply, the cathode pipe is connected with a negative pole of the power supply, and a potential gradient between the anode pipe and the cathode pipe is 0.5 to 4.5V / cm; and (4) applying a fertilizer into the soil through the conveying pipes. The electrodes are carried into the deep soil through the conveying pipes, so that the bonding of electrokinetic remediation of deep soil and phytoremediation of the surface soil is realized, a remediation effect is good, and the cost is low.

The invention discloses a rotary cutting and turning green manure turning device for fruit planting. The upper end surface of the installation frame is provided with an upper fixed frame, one end of the upper fixed frame is fixed with the peripheral drive car, and the lower end front side of the main installation frame is provided with a turn green component that can be rotated relatively; the turn green component The outer layer of the planting ground is turned green locally, so that a planting ditch with a constant depth is formed on the surface of the planting ground, and the soil of the planting ground is covered with soil; the lower end surface of the main installation frame is also uniformly equipped with a plurality of feeding components, and Disperse the sowing material or planting fertilizer into the planting ditch; the rear side of the lower end surface of the main installation frame is also provided with a re-tilling device, which turns the planting ground surface out as the bare planting soil and covers it again into the corresponding ditch.