CN112930740B - Ground pretreatment method based on forestry tree planting - Google Patents

Ground pretreatment method based on forestry tree planting Download PDF

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CN112930740B
CN112930740B CN202110104353.6A CN202110104353A CN112930740B CN 112930740 B CN112930740 B CN 112930740B CN 202110104353 A CN202110104353 A CN 202110104353A CN 112930740 B CN112930740 B CN 112930740B
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20min
stirring
treatment
tree planting
soil
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CN112930740A (en
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黄荣
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil
    • A01B79/02Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00Fertilisers from human or animal excrements, e.g. manure
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00Soil-conditioning materials or soil-stabilising materials
    • C09K17/40Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2101/00Agricultural use
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Fertilizers (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

The invention discloses a ground pretreatment method based on forestry tree planting, which comprises the following steps: blending the soil material and the organic fertilizer at the rotation speed of 500-1000r/min for 10-20min to obtain a processed material; and applying the treatment material to a soil base surface, and then carrying out forestry tree planting treatment, namely finishing ground pretreatment. In the ground pretreatment of forestry tree planting, the soil conditioner is prepared into a filtering matrix, the filtering matrix is prepared from raw materials such as organic dimethyl sulfoxide, polyether sulfone and the like, the modified adsorbent is subjected to irradiation, calcining and other calcination treatments through activated carbon, and then is dispersed with a cyclodextrin solution, so that the obtained adsorbent has high organic and inorganic metal adsorption, and the cyclodextrin has two-sidedness, so that the adsorbent can be both organic and inorganic, and simultaneously, the activated carbon is irradiated and calcined, and the harmful substance removal effect of soil is further improved.

Description

Ground pretreatment method based on forestry tree planting
Technical Field
The invention relates to the technical field of forestry trees, in particular to a ground pretreatment method based on forestry tree planting.
Background
Forestry plays an important role in national economy, can only provide wood and forest byproducts required by national construction and people's life, and also has multiple missions of releasing oxygen, adjusting climate, conserving water source, keeping water and soil, preventing wind and fixing sand, beautifying environment, purifying air, reducing noise, traveling and health care and the like; along with the enhancement of environmental awareness of people, the greening area of a city is gradually expanded, and the greening process is usually to transplant trees to places needing greening from a planting field, so that newly planted trees have a rooting adaptation period.
The soil quality of the existing forestry tree planting soil is poor, the nutrient content in the soil is low, the forestry tree growth is not facilitated, and therefore the ground needs to be pretreated.
Disclosure of Invention
The invention aims to provide a ground pretreatment method based on forestry tree planting to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a ground pretreatment method based on forestry tree planting, which comprises the following steps:
step one, preparing a soil conditioner:
s1, preparing a filtering matrix: adding polyether sulfone into dimethyl sulfoxide, stirring at a low speed of 500-700r/min for 10-20min, stirring until the solution is clear, then adding a rare earth gadolinium chloride solution, then adding nanocellulose, stirring at a medium speed of 150-250r/min for 30-40min, then adding crosslinked starch, and continuously stirring at a speed of 500-700r/min for 30-40min to obtain a filter matrix;
s2, preparing the modified adsorbent: sending the activated carbon into a proton irradiation box for irradiation for 10-20min, wherein the irradiation power is 200-500W, the irradiation is finished, then sending into a calcining furnace for calcining treatment, the calcining temperature is 500-1000 ℃, the calcining time is 10-20min, the calcining is finished, then sending into a cyclodextrin solution, carrying out ultrasonic dispersion for 20-30min, the ultrasonic power is 200-500W, and the ultrasonic is finished, thus obtaining the modified adsorbent;
s3, feeding the filter substrate and the modified adsorbent into a chitosan solution with the mass fraction of 20-50%, stirring at the rotating speed of 400-700r/min for 10-20min, adding modified bentonite after stirring, continuing stirring for 10-20min, and drying to obtain a soil conditioner;
step two, mixing the ground soil and the soil conditioner at the mixing rotation speed of 150-250r/min for 10-20min, adding sodium chloride, then sending into an electrochemical cell, and obtaining a soil material after the treatment is finished;
step three, blending the soil material and the organic fertilizer at the blending speed of 500-1000r/min for 10-20min to obtain a processed material;
and step four, applying the treatment material to a soil foundation surface, and then performing forestry tree planting treatment, namely finishing ground pretreatment.
Preferably, the modified bentonite modification method comprises the following steps: and (2) sending the bentonite into an activating solution for microwave treatment, then carrying out ultrasonic treatment, then filtering, washing, then sending into a calcining furnace for calcining at the calcining temperature of 180-190 ℃ for 20-30min, and finishing calcining to obtain the modified bentonite.
Preferably, the specific operating conditions of the microwave treatment are: the microwave frequency is 1-2GHz, the power is 100-200W, and the time is 15-25min.
Preferably, the ultrasonic power is 100-300W, the reaction temperature is 80-90 ℃, and the temperature is increased to the reaction temperature at a constant heating rate.
Preferably, the constant heating rate is 1-2 ℃/min.
Preferably, the constant heating rate is 1.5 ℃/min.
Preferably, the preparation method of the activating solution comprises the following steps: adding 20-30% hydrochloric acid into the nano silicon dioxide solution, stirring at a rotating speed of 100-200r/min for 10-20min, and obtaining the activation solution after the stirring is finished.
Preferably, the nano-silica solution is prepared by mixing nano-silica and acetone according to a weight ratio of 3.
Preferably, the magnetic field intensity of the electromagnetic field treatment in the electrochemical cell is 10-20mT, the action time is 5-15min, and the density of the direct current is 180-190A/m 2 The action time is 10-20min.
Preferably, the organic fertilizer is obtained by fermenting the feces of livestock and poultry at 30-40 ℃ for 10-20min.
Compared with the prior art, the invention has the following beneficial effects:
in the ground pretreatment of forestry tree planting, the soil conditioner is prepared into a filtering matrix, the filtering matrix is prepared from raw materials such as organic dimethyl sulfoxide, polyether sulfone and the like, the modified adsorbent is subjected to irradiation, calcining and other calcination treatments through activated carbon, and then is dispersed with a cyclodextrin solution, the obtained adsorbent has high organic and inorganic metal adsorption, because the cyclodextrin has two-sidedness, the modified adsorbent can be both organic and inorganic, and simultaneously the activated carbon is activated through irradiation and calcining, so that the harmful substance removal effect of the soil is further improved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
the ground pretreatment method based on forestry tree planting of the embodiment is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a ground pretreatment method based on forestry tree planting, which comprises the following steps:
step one, preparing a soil conditioner:
s1, preparing a filtering matrix: adding polyether sulfone into dimethyl sulfoxide, stirring at a low speed of 500r/min for 10min, stirring until the solution is clear, then adding a rare earth gadolinium chloride solution, then adding nano-cellulose, stirring at a medium speed of 150r/min for 30min, then adding crosslinked starch, and continuously stirring at a speed of 500r/min for 30min to obtain a filtering matrix;
s2, preparing the modified adsorbent: sending the activated carbon into a proton irradiation box to be irradiated for 10min, wherein the irradiation power is 200W, after irradiation, sending the activated carbon into a calcining furnace to be calcined, the calcining temperature is 500 ℃, the calcining time is 10min, after calcination, sending the activated carbon into a cyclodextrin solution, performing ultrasonic dispersion for 20min, wherein the ultrasonic power is 200W, and after ultrasonic treatment, obtaining a modified adsorbent;
s3, feeding the filter substrate and the modified adsorbent into a chitosan solution with the mass fraction of 20%, stirring at the rotating speed of 400r/min for 10min, adding the modified bentonite after stirring, continuing stirring for 10min, and drying to obtain a soil conditioner;
step two, mixing the ground soil and the soil conditioner at the mixing rotation speed of 150r/min for 10min, adding sodium chloride, then sending into an electrochemical cell, and obtaining a soil material after the treatment is finished;
step three, blending the soil material and the organic fertilizer at the blending speed of 500r/min for 10min to obtain a processed material;
and step four, applying the treatment material to a soil base surface, and then performing forestry tree planting treatment, namely finishing ground pretreatment.
The modification method of the modified bentonite in this example is: and (2) sending the bentonite into an activating solution for microwave treatment, then carrying out ultrasonic treatment, then filtering, washing, then sending into a calcining furnace for calcining at the calcining temperature of 180 ℃ for 20min, and finishing calcining to obtain the modified bentonite.
The specific operating conditions of the microwave treatment of this example are: the microwave frequency is 1GHz, the power is 100W, and the time is 15min.
In this example, the ultrasonic power was 100W, the reaction temperature was 80 ℃ and the temperature was raised to the reaction temperature at a constant rate.
The constant temperature rise rate of this example was 1 deg.C/min.
The preparation method of the activating solution in this example is as follows: adding 20% hydrochloric acid into the nano silicon dioxide solution, stirring at a rotating speed of 100r/min for 10min, and obtaining the activation solution after the stirring is finished.
The nano-silica solution of the embodiment is prepared by mixing nano-silica and acetone according to the weight ratio of 3.
The electromagnetic field treatment in the electrochemical cell of the embodiment has the magnetic field intensity of 10mT, the action time of 5min and the direct current density of 180A/m 2 The action time is 10min.
The organic fertilizer is prepared by fermenting the feces of the livestock and poultry at 30 ℃ for 10min.
Example 2:
the ground pretreatment method based on forestry tree planting in the embodiment is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a ground pretreatment method based on forestry tree planting, which comprises the following steps:
step one, preparing a soil conditioner:
s1, preparing a filtering matrix: adding polyether sulfone into dimethyl sulfoxide, stirring for 20min at a low speed of 700r/min, stirring until the solution is clear, then adding a rare earth gadolinium chloride solution, then adding nanocellulose, stirring for 40min at a medium speed of 250r/min, then adding crosslinked starch, and continuing stirring for 40min at a speed of 700r/min to obtain a filter matrix;
s2, preparing a modified adsorbent: sending the activated carbon into a proton irradiation box for irradiation for 20min, wherein the irradiation power is 500W, after the irradiation is finished, sending the activated carbon into a calcining furnace for calcining treatment, the calcining temperature is 1000 ℃, the calcining time is 20min, after the calcination is finished, sending the activated carbon into a cyclodextrin solution, performing ultrasonic dispersion for 30min, wherein the ultrasonic power is 500W, and after the ultrasonic treatment is finished, obtaining a modified adsorbent;
s3, feeding the filter substrate and the modified adsorbent into a chitosan solution with the mass fraction of 50%, stirring at the rotating speed of 700r/min for 20min, adding the modified bentonite after stirring, continuing stirring for 20min, and drying to obtain a soil conditioner;
step two, mixing the ground soil and the soil conditioner at the mixing rotation speed of 250r/min for 20min, adding sodium chloride, then sending into an electrochemical cell, and obtaining a soil material after the treatment is finished;
step three, blending the soil material and the organic fertilizer at the rotation speed of 1000r/min for 20min to obtain a processed material;
and step four, applying the treatment material to a soil foundation surface, and then performing forestry tree planting treatment, namely finishing ground pretreatment.
The modification method of the modified bentonite in this example is: and (2) sending the bentonite into an activating solution for microwave treatment, then carrying out ultrasonic treatment, then filtering, washing, then sending into a calcining furnace for calcining at 190 ℃ for 30min, and finishing calcining to obtain the modified bentonite.
The specific operating conditions of the microwave treatment of this example are: the microwave frequency is 2GHz, the power is 200W, and the time is 25min.
In this example, the ultrasonic power was 300W, the reaction temperature was 90 ℃ and the temperature was raised to the reaction temperature at a constant rate.
The constant temperature rise rate of this example was 2 deg.C/min.
The preparation method of the activating solution in this example is as follows: adding hydrochloric acid with the mass fraction of 30% into the nano silicon dioxide solution, stirring at the rotating speed of 200r/min for 20min, and obtaining the activation solution after the stirring is finished.
The nano-silica solution of the embodiment is prepared by mixing nano-silica and acetone according to the weight ratio of 3.
The electromagnetic field treatment in the electrochemical cell of the embodiment has the magnetic field intensity of 20mT, the action time of 15min and the direct current density of 190A/m 2 The action time is 20min.
The organic fertilizer is prepared by fermenting livestock manure at 40 ℃ for 20min.
Example 3:
the ground pretreatment method based on forestry tree planting in the embodiment is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a ground pretreatment method based on forestry tree planting, which comprises the following steps:
step one, preparing a soil conditioner:
s1, preparing a filtering matrix: adding polyether sulfone into dimethyl sulfoxide, stirring at a low speed of 600r/min for 15min, stirring until the solution is clear, then adding a rare earth gadolinium chloride solution, then adding nano-cellulose, stirring at a medium speed of 200r/min for 35min, then adding crosslinked starch, and continuously stirring at a speed of 600r/min for 35min to obtain a filtering matrix;
s2, preparing a modified adsorbent: sending the activated carbon into a proton irradiation box to be irradiated for 15min, wherein the irradiation power is 350W, after irradiation, sending the activated carbon into a calcining furnace to be calcined, the calcining temperature is 750 ℃, the calcining time is 15min, after calcination, sending the activated carbon into a cyclodextrin solution, performing ultrasonic dispersion for 25min, wherein the ultrasonic power is 350W, and after ultrasonic treatment, obtaining a modified adsorbent;
s3, feeding the filter substrate and the modified adsorbent into a chitosan solution with the mass fraction of 35%, stirring at the rotating speed of 400r/min for 15min, adding the modified bentonite after stirring, continuing stirring for 15min, and drying to obtain a soil conditioner;
step two, mixing the ground soil and the soil conditioner at the mixing rotation speed of 200r/min for 15min, adding sodium chloride, then sending into an electrochemical cell, and obtaining a soil material after the treatment is finished;
step three, blending the soil material and the organic fertilizer at the rotation speed of 750r/min for 15min to obtain a processed material;
and step four, applying the treatment material to a soil base surface, and then performing forestry tree planting treatment, namely finishing ground pretreatment.
The modification method of the modified bentonite in this example is: and (2) sending the bentonite into an activating solution for microwave treatment, then carrying out ultrasonic treatment, then filtering, washing, then sending into a calcining furnace for calcining at 185 ℃ for 25min, and obtaining the modified bentonite after the calcining is finished.
The specific operating conditions of the microwave treatment of this example were: the microwave frequency is 1.5GHz, the power is 150W, and the time is 20min.
The ultrasonic power of this example was 200W, the reaction temperature was 85 ℃ and the temperature was raised to the reaction temperature at a constant rate.
The constant temperature rise rate of this example was 1.5 deg.C/min.
The preparation method of the activating solution in this example is as follows: adding 25% hydrochloric acid into the nano silicon dioxide solution, stirring at the rotating speed of 150r/min for 15min, and obtaining the activation solution after the stirring is finished.
The nano-silica solution of the embodiment is prepared by mixing nano-silica and acetone according to the weight ratio of 3.
The electromagnetic field treatment in the electrochemical cell of the embodiment has the magnetic field intensity of 15mT, the action time of 10min and the direct current density of 185A/m 2 The action time is 15min.
The organic fertilizer is prepared by fermenting livestock manure at 35 ℃ for 15min.
Comparative example 1:
the land is used unmodified.
Group of Forest yield improvement (%)
Example 1 31.1
Example 2 31.5
Example 3 31.7
Comparative example 1 17.2
As can be seen from examples 1-3 and comparative example 1, the forest product of the present invention has a significantly improved rate of improvement over the unmodified land.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A ground pretreatment method based on forestry tree planting is characterized by comprising the following steps:
step one, preparing a soil conditioner:
s1, preparing a filtering matrix: adding polyether sulfone into dimethyl sulfoxide, stirring at a low speed of 500-700r/min for 10-20min, stirring until the solution is clear, then adding a rare earth gadolinium chloride solution, then adding nanocellulose, stirring at a medium speed of 150-250r/min for 30-40min, then adding crosslinked starch, and continuously stirring at a speed of 500-700r/min for 30-40min to obtain a filter matrix;
s2, preparing the modified adsorbent: sending the activated carbon into a proton irradiation box for irradiation for 10-20min, wherein the irradiation power is 200-500W, after irradiation, sending the activated carbon into a calcining furnace for calcining treatment, the calcining temperature is 500-1000 ℃, the calcining time is 10-20min, after calcination, sending the activated carbon into a cyclodextrin solution, performing ultrasonic dispersion for 20-30min, the ultrasonic power is 200-500W, and after ultrasonic treatment, obtaining a modified adsorbent;
s3, feeding the filter matrix and the modified adsorbent into a chitosan solution with the mass fraction of 20-50%, stirring at the rotating speed of 400-700r/min for 10-20min, adding the modified bentonite after stirring, continuing stirring for 10-20min, and drying to obtain a soil conditioner;
step two, mixing the ground soil and the soil conditioner at the mixing speed of 150-250r/min for 10-20min, adding sodium chloride, then sending into an electrochemical cell, and obtaining a soil material after the treatment is finished;
step three, blending the soil material and the organic fertilizer at the blending speed of 500-1000r/min for 10-20min to obtain a processed material;
step four, applying the treatment material to a soil foundation surface, and then performing forestry tree planting treatment to finish ground pretreatment;
the modification method of the modified bentonite comprises the following steps: sending bentonite into an activating solution for microwave treatment, then carrying out ultrasonic treatment, then filtering, washing, then sending into a calcining furnace for calcining at 180-190 ℃ for 20-30min, and obtaining modified bentonite after calcining;
the preparation method of the activating solution comprises the following steps: adding 20-30% hydrochloric acid into the nano silicon dioxide solution, stirring at a rotating speed of 100-200r/min for 10-20min, and obtaining the activation solution after the stirring is finished.
2. A method as claimed in claim 1, wherein the microwave treatment is carried out under the following specific conditions: the microwave frequency is 1-2GHz, the power is 100-200W, and the time is 15-25min.
3. A method as claimed in claim 2, wherein the ultrasonic power is 100-300W, the reaction temperature is 80-90 ℃, and the temperature is raised to the reaction temperature at a constant rate.
4. A method of pretreating a ground based on forestry tree planting according to claim 3, wherein the constant temperature rise rate is 1-2 ℃/min.
5. A method of pretreating a ground based on forestry tree planting according to claim 4, wherein the constant temperature-rising rate is 1.5 ℃/min.
6. A forestry tree planting-based ground pretreatment method according to claim 5, wherein the nano-silica solution is prepared by mixing nano-silica and acetone according to a weight ratio of 3.
7. A ground pretreatment method based on forestry tree planting according to claim 1, characterized in that the electromagnetic field treatment in the electrochemical cell has a magnetic field intensity of 10-20mT, an action time of 5-15min, a direct current density of 180-190A/m2, and an action time of 10-20min.
8. The ground pretreatment method based on forestry tree planting of claim 1, wherein the organic fertilizer is livestock manure, which is fermented at 30-40 ℃ for 10-20min, and the organic fertilizer is obtained after the fermentation is finished.
CN202110104353.6A 2021-01-26 2021-01-26 Ground pretreatment method based on forestry tree planting Active CN112930740B (en)

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Publication number Priority date Publication date Assignee Title
BG61826B1 (en) * 1995-12-21 1998-07-31 Стоян Н. Грудев Method for the mineral waste spoil heap reclaiming
CN104190271B (en) * 2014-08-19 2016-06-01 苏州君康医疗科技有限公司 A kind of polyethersulfone/alginates composite hollow fiber membrane and its preparation method
CN105950177A (en) * 2016-06-25 2016-09-21 仇颖超 Preparation method of soil conditioner for restoring heavy metal pollution
CN109012642A (en) * 2018-09-08 2018-12-18 佛山市森昂生物科技有限公司 A kind of preparation method of diatomite based composite adsorption material
CN110227349A (en) * 2019-06-12 2019-09-13 常州大学 Based on the nano-silicon dioxide modified blended ultrafiltration membrane and preparation method thereof of functionalization sodium base bentonite and amination
CN110790411A (en) * 2019-12-01 2020-02-14 柏威达(南京)环境科技有限公司 Treatment method of industrial lead smelting wastewater
CN111203433B (en) * 2020-01-11 2021-06-01 赣州哈克生物科技有限公司 Method for improving farmland vegetable base soil

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