CN112616352A - Method for improving ecological environment of farmland area - Google Patents
Method for improving ecological environment of farmland area Download PDFInfo
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- CN112616352A CN112616352A CN202011536726.9A CN202011536726A CN112616352A CN 112616352 A CN112616352 A CN 112616352A CN 202011536726 A CN202011536726 A CN 202011536726A CN 112616352 A CN112616352 A CN 112616352A
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 235000015097 nutrients Nutrition 0.000 claims abstract description 117
- 239000002689 soil Substances 0.000 claims abstract description 62
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 239000000126 substance Substances 0.000 claims abstract description 43
- 230000006872 improvement Effects 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 34
- 238000003973 irrigation Methods 0.000 claims abstract description 21
- 230000002262 irrigation Effects 0.000 claims abstract description 21
- 238000012258 culturing Methods 0.000 claims abstract description 11
- 230000000813 microbial effect Effects 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 241001233061 earthworms Species 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000005507 spraying Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 12
- 244000005700 microbiome Species 0.000 description 11
- 230000001580 bacterial effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 230000035558 fertility Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010057249 Phagocytosis Diseases 0.000 description 1
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- 238000003556 assay Methods 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 239000003621 irrigation water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008782 phagocytosis Effects 0.000 description 1
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- 238000005067 remediation Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
- A01K67/0332—Earthworms
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Cultivation Of Plants (AREA)
Abstract
The application relates to the field of soil improvement, and particularly discloses a method for improving ecological environment of a farmland area. The method for improving the ecological environment of the farmland area comprises the following steps: step 1), preparing nutrient substances, which specifically comprises: step 1-1) crushing withered plants to obtain a nutrient substrate; step 1-2) adding a microbial agent into a nutrient substrate, uniformly stirring, keeping the nutrient substrate wet, and culturing at a constant temperature of 30-40 ℃ for 6-9 days to obtain a nutrient substance; step 2), excavating improvement pits in the farmland area; step 3), uniformly mixing the soil and nutrient substances, then putting earthworms into the mixture, and culturing the mixture for 5 to 7 days at constant temperature of between 30 and 40 ℃ to obtain nutrient soil; step 4), backfilling the nutrient soil into the improvement pit; and 5) installing an irrigation device at the improvement pit, wherein the irrigation area of the irrigation device is within the range of the improvement pit. It has the advantage that the efficiency of improving the ecological environment of farmland district is higher.
Description
Technical Field
The application relates to the field of soil improvement, in particular to a method for improving the ecological environment of a farmland area.
Background
The soil is the foundation of plant growth, mainly contains a large amount of nutrient substances required by plants, the plants absorb the nutrient substances in the soil through root systems to grow, the farmland is used as a crop planting field, and the nutrient content of the soil directly influences the yield of crops, so the ecological environment protection of the farmland is very important.
However, most of modern crops are high-yield varieties, people are developed in the direction of always high yield in the process of technological progress, so that the speed of crops for absorbing nutrient substances in soil is high, the nutrient substance accumulation in the soil needs time to precipitate, after the crops are planted in one piece of soil for a long time, the fertility of the soil is reduced, namely the content of the nutrient substances in the soil is reduced, the crops cannot have enough nutrients to absorb, the yield of the crops is reduced, the farmland area generally needs to be migrated, after the fertility of the current farmland area is reduced, the farmland area is migrated to other areas for planting, and the farmland area with the reduced fertility is automatically recovered and then is migrated back.
However, the inventor believes that the above scheme has a slow soil recovery rate, a slow ecological environment improvement rate in a farmland area, and waste of land resources, so that the improvement space is provided.
Disclosure of Invention
In order to accelerate soil recovery and accelerate improvement of ecological environment of a farmland area, the application provides a method for improving the ecological environment of the farmland area.
The method for improving the ecological environment of the farmland area adopts the following technical scheme:
a method for improving the ecological environment of a farmland area comprises the following steps:
step 1), preparing nutrient substances, which specifically comprises:
step 1-1), crushing withered plants to obtain a nutrient substrate;
step 1-2), adding a microbial agent into a nutrient substrate, uniformly stirring, keeping the nutrient substrate moist, and culturing at a constant temperature of 30-40 ℃ for 6-9 days to obtain a nutrient substance;
step 2), excavating improvement pits in the farmland area;
step 3), uniformly mixing the soil and nutrient substances, then putting earthworms into the mixture, and culturing the mixture for 5 to 7 days at constant temperature of between 30 and 40 ℃ to obtain nutrient soil;
step 4), backfilling the nutrient soil into the improvement pit;
and 5) installing an irrigation device at the improvement pit, wherein the irrigation area of the irrigation device is within the range of the improvement pit.
By adopting the technical scheme, the microorganisms are added into the nutrient substrate and cultured under the conditions of humidity and constant temperature of 30-40 ℃, so that the microorganisms are rapidly propagated in a large quantity, the nutrient substrate is rapidly decomposed into nutrient substances, the nutrient substances are directly mixed with the soil and put into the earthworms, the earthworms swallow and discharge excrement, so that organic fertilizer is further added, the soil and the nutrient substances are mixed and then cultured at 30-40 ℃, so that the microorganisms are continuously and rapidly propagated, nutrient components in the nutrient soil are rapidly increased, the nutrient soil is backfilled in the improvement pit, the area of the improvement pit is irrigated by an irrigation device, so that the nutrient substances flow along with water to be diffused into the surrounding soil, and the soil improvement speed is improved due to more nutrients in the nutrient soil.
Because the nutrient substances are artificially participated and cultured under proper conditions, the nutrient substances are not artificially synthesized but are purely natural nutrient substances, and the culture conditions are intervened, the generation speed of the natural nutrient substances is greatly improved, so that the process of improving the ecological environment of the farmland is accelerated on the whole, the improvement speed is high, the efficiency is high, the environment is not polluted, the waste of land resources caused by soil remediation is effectively reduced, and the economic value is obviously improved.
Preferably, in the step 1-2), an electrode is inserted into the nutrient substrate, and the output voltage of the electrode is 1-7V.
Preferably, in the step 1-2), an electrode is inserted into the nutrient substrate, and the output voltage of the electrode is 3-5V.
By adopting the technical scheme, discharge is carried out in the nutrient substrate, and the weak current flows in the wet nutrient substrate because the control is in a specific voltage range, so that the microorganism can be stimulated by the weak current, the activity of the microorganism is promoted, the phagocytosis and the reproduction are accelerated, and the efficiency of converting the nutrient substrate into nutrient substances is higher.
Preferably, in the step 1-2), electrode discharge is started for 10-15min every 2-3 hours.
Through adopting above-mentioned technical scheme, through control electrode discharge interval and length of time, reach better activation microbial activity's effect simultaneously can the energy saving, and the interval discharges and compare and continuously discharge, the microorganism has stage stress response, if continuously discharge, the microorganism has numb to weak current's stimulation, consequently, the intermittent type effect of discharging is more, more is favorable to accelerating the improvement process of farmland district ecological environment.
Preferably, in step 2), a plurality of improvement pits are arranged, and the maximum distance between adjacent improvement pits is 4-5 m.
Through adopting above-mentioned technical scheme, through a plurality of improvement holes for nutrient substance releases better in whole piece farmland region, and improvement effect is better, and efficiency is higher
Preferably, in the step 2), the cross section of the improved pit is square, and the side length of the cross section of the improved pit is 25-30 cm.
By adopting the technical scheme, the size of the improved pit is limited, the sufficient nutrient substances in the improved pit are ensured, and the improvement effect on the farmland area needing to be improved is better.
Preferably, in the step 2), the depth of the improved pit is 30-40 cm.
By adopting the technical scheme, the depth of the pit is improved through limitation, the construction difficulty is reduced while enough nutrient substances are ensured, the construction efficiency is improved, and the improvement speed of the farmland area is further improved.
Preferably, in the step 2), a plurality of water permeable holes are drilled in the improved pit side wall.
Through adopting above-mentioned technical scheme, through setting up the hole of permeating water for nutrient substance changes the release, further improves the efficiency that farmland district ecological environment improved, reduces the waste of land resource.
In summary, the present application has the following beneficial effects:
1. because the microorganism is added into the nutrient substrate and cultured under the conditions of humidity and constant temperature of 30-40 ℃, the microorganism is rapidly propagated in a large quantity, the nutrient substrate is rapidly decomposed into nutrient substances, the nutrient substances are rapidly produced, the time required for preparing nutrient soil is short, the irrigation water flow diffusion is followed by the nutrient substances in a large quantity, the soil is rapidly improved, and the efficiency of improving the ecological environment of a farmland area is high.
2. The current is preferably adopted to stimulate the microorganisms in the application, so that the microorganisms are fed in an accelerated manner and grow and split rapidly, nutrients are produced more rapidly, and the efficiency of improving the ecological environment of a farmland area is further improved.
3. This application is through improving the reasonable distribution cooperation irrigation system in hole for nutrient substance among the nutrient soil diffuses to soil on every side betterly, thereby realizes the improvement of large tracts of land soil, and convenient operation during feasible construction effectively improves the efficiency of improving farmland district ecological environment.
Drawings
FIG. 1 is a schematic process flow diagram of the method for improving ecological environment of farmland area.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples.
Example 1
A method for improving ecological environment of farmland area, referring to fig. 1, comprises the following steps:
step 1), preparing nutrient substances, which specifically comprises:
step 1-1), crushing withered plants to obtain a nutrient substrate, specifically, crushing the withered branches through a roller to damage the branches, and then grinding the branches into powder with the average particle size of 0.1mm through a grinder to form the nutrient substrate;
step 1-2), adding a microbial agent into a nutrient substrate, specifically, putting 1kg of the nutrient substrate into a stirring kettle, then adding 10g of the microbial agent, stirring for 5min at a rotating speed of 60r/min, spraying water mist towards the nutrient substrate at a rotating speed of 60r/min, continuously stirring in the spraying process, spraying 90g of water every 1kg of the nutrient substrate, collecting and placing the water for 1 day at a spraying speed of 10g/min, spraying at a constant speed, stopping stirring after spraying is finished, spraying 5g of water at a speed of 5g/min every 2 hours to keep the nutrient substrate moist, controlling the temperature in the stirring kettle to be constant at 30 ℃ for culture, and obtaining a nutrient substance after culturing for 9 days when the stirring kettle is open and ventilated in the culture process;
step 2), excavating a plurality of improvement pits in a farmland area, wherein the cross sections of the improvement pits are square, the size of the cross section of each improvement pit is 25 cm, the distance between every two adjacent improvement pits is 4m, the depth of each improvement pit is 30 cm, a plurality of water permeable holes are drilled in the side wall of each improvement pit, the depth of each water permeable hole is 5 cm, and the diameter of each water permeable hole is 5 mm;
step 3), adding soil into a stirring kettle, wherein the mass ratio of the soil to nutrient substances is 2:1, the rotating speed is 60r/min, stirring is carried out for 5min, so that the soil and the nutrient substances are uniformly mixed, then putting earthworms into the stirring kettle, and culturing for 7 days at constant temperature of 30 ℃ to obtain nutrient soil;
step 4), backfilling the nutrient soil into the improvement pit, keeping the loose state of the soil during backfilling, and not needing to be compacted after the soil is filled;
and 5) installing an irrigation device at the improved pit, inserting the irrigation device into nutrient soil in the improved pit in an irrigation area of the irrigation device, specifically, inserting an infiltration irrigation pipe into the nutrient soil in the improved pit, inserting the infiltration irrigation pipe along the axis of the improved pit, sealing the insertion end of the infiltration irrigation pipe, forming infiltration irrigation holes in the side wall of the infiltration irrigation pipe, irrigating once every 8 hours, irrigating 250g of water at the speed of 30g/min every time, continuously irrigating for 15 days, and planting again.
Example 2
Compared with the example 1, the method for improving the ecological environment of the farmland area only differs from the method in the following steps:
step 1-2), adding a microbial agent into a nutrient substrate, specifically, putting 1kg of the nutrient substrate into a stirring kettle, then adding 10g of the microbial agent, stirring for 5min at a rotating speed of 60r/min, spraying water mist towards the nutrient substrate at a rotating speed of 60r/min, continuously stirring in the spraying process, spraying 90g of water every 1kg of the nutrient substrate, collecting and placing the water for 1 day, wherein the spraying speed is 10g/min, spraying at a constant speed, spraying 5g of water at a speed of 5g/min every 2 hours to keep the nutrient substrate moist, controlling the temperature in the stirring kettle to be constant at 35 ℃ for culture, and in the culture process, the stirring kettle is opened and ventilated, and obtaining the nutrient substance after 8 days of culture;
step 2), excavating a plurality of improved pits in a farmland area, wherein the cross sections of the improved pits are square, the side length of the cross sections of the improved pits is 28 cm, the distance between every two adjacent improved pits is 4.5 m, the depth of each improved pit is 35 cm, a plurality of water permeable holes are drilled in the side walls of the improved pits, the depth of each water permeable hole is 5 cm, and the diameter of each water permeable hole is 5 mm;
and 3) adding soil into the stirring kettle, wherein the mass ratio of the soil to the nutrient substances is 2:1, the rotating speed is 60r/min, stirring is carried out for 5min, so that the soil and the nutrient substances are uniformly mixed, then putting earthworms into the stirring kettle, and culturing for 6 days at the constant temperature of 35 ℃ to obtain the nutrient soil.
Example 3
Compared with the example 1, the method for improving the ecological environment of the farmland area only differs from the method in the following steps:
step 1-2), adding a microbial agent into a nutrient substrate, specifically, putting 1kg of the nutrient substrate into a stirring kettle, then adding 10g of the microbial agent, stirring for 5min at a rotating speed of 60r/min, spraying water mist towards the nutrient substrate at a rotating speed of 60r/min, continuously stirring in the spraying process, spraying 90g of water every 1kg of the nutrient substrate, collecting and placing the water for 1 day, wherein the spraying speed is 10g/min, spraying at a constant speed, spraying 5g of water at a speed of 5g/min every 2 hours to keep the nutrient substrate moist, controlling the temperature in the stirring kettle to be constant at 40 ℃ for culture, and in the culture process, the stirring kettle is opened and ventilated, and obtaining the nutrient substance after culturing for 6 days;
step 2), excavating a plurality of improved pits in a farmland area, wherein the cross sections of the improved pits are square, the side length of the cross sections of the improved pits is 30 cm, the distance between every two adjacent improved pits is 5m, the depth of each improved pit is 40 cm, a plurality of water permeable holes are drilled in the side walls of the improved pits, the depth of each water permeable hole is 5 cm, and the diameter of each water permeable hole is 5 mm;
and 3) adding soil into the stirring kettle, wherein the mass ratio of the soil to the nutrient substances is 2:1, the rotating speed is 60r/min, stirring is carried out for 5min, so that the soil and the nutrient substances are uniformly mixed, and then, putting earthworms into the stirring kettle, and culturing for 5 days at the constant temperature of 40 ℃ to obtain the nutrient soil.
Example 4
Compared with the example 1, the method for improving the ecological environment of the farmland area only differs from the method in the following steps:
in the step 1-2), after stirring is stopped, inserting two electrodes into the nutrient substrate, wherein one electrode is a positive electrode and the other electrode is a negative electrode, discharging, the output voltage of the electrodes is 1V, and the electrodes are started to discharge for 15min every 2 hours.
Example 5
Compared with the example 1, the method for improving the ecological environment of the farmland area only differs from the method in the following steps:
in the step 1-2), after stirring is stopped, inserting two electrodes into the nutrient substrate, wherein one electrode is a positive electrode and the other electrode is a negative electrode, discharging, the output voltage of the electrodes is 3V, and the electrodes are started to discharge for 14min every 2 hours.
Example 6
Compared with the example 1, the method for improving the ecological environment of the farmland area only differs from the method in the following steps:
in the step 1-2), after stirring is stopped, inserting two electrodes into the nutrient substrate, wherein one electrode is a positive electrode and the other electrode is a negative electrode, discharging, the output voltage of the electrodes is 5V, and the electrodes are started to discharge for 12min every 2.5 hours.
Example 7
Compared with the example 1, the method for improving the ecological environment of the farmland area only differs from the method in the following steps:
in the step 1-2), after stirring is stopped, inserting two electrodes into the nutrient substrate, wherein one electrode is a positive electrode and the other electrode is a negative electrode, discharging, the output voltage of the electrodes is 7V, and the electrodes are started to discharge for 10min every 3 hours.
Experiment 1
Adding deionized water into a volumetric flask of 1g of nutrient soil prepared in each example, fixing the volume to 100ml, uniformly stirring to form slurry, dripping 1ml of the slurry into the volumetric flask, adding deionized water into the volumetric flask, fixing the volume to 100ml, uniformly stirring to obtain test liquid, dripping 1ml of the test liquid on a glass slide, calculating the number of bacterial colonies on a microscope, and recording the number of the bacterial colonies in the nutrient soil prepared in each example, wherein the unit is CFU/ml.
The assay data for experiment 1 is detailed in table 1.
TABLE 1
| Number of colonies (CFU/ml) | |
| Example 1 | 7.2×109 |
| Example 2 | 7.5×109 |
| Example 3 | 7.3×109 |
| Example 4 | 4.3×1012 |
| Example 5 | 4.8×1012 |
| Example 6 | 4.1×1012 |
| Example 7 | 4.6×1012 |
As can be seen from the data in table 1,
in each embodiment, the colony number is very large, and the nutrient substrates in the nutrient soil can be decomposed and digested continuously to release a large amount of nutrient substances, so that the soil can be repaired better and more quickly, and the ecological environment of a farmland area can be improved efficiently.
According to the comparison of the data of the embodiments 1 to 3 and the data of the embodiments 4 to 7, the current stimulation is added to effectively stimulate the bacterial colony to feed and grow so as to split, the number of the bacterial colony is obviously increased, and the method proves that more nutrients obtained by decomposition can be obtained, the soil can be more efficiently restored, and the effect of improving the ecological environment of a farmland area is better and the efficiency is higher.
Because the colony number in the nutrient soil is huge and the nutrient substrate is more, the bacteria decompose the organic matters and is a long process, so that a large amount of nutrient substrates in the nutrient soil can be used as nutrients of bacterial colonies for a long time, the growth of the bacterial colonies is continuously promoted, the number of the bacterial colonies is increased, meanwhile, more and more nutrients can be generated and can be continuously generated, through the irrigation mode, the nutrients and part of bacterial colonies move along with the water flow to improve the soil around the pit to the bottom, so that the fertility of the whole piece of soil is continuously improved, in the planting process, the using amount of the fertilizer is effectively reduced, even the fertilizer can not be applied, the release of nutrient substances in the pits is improved to provide the requirement for the growth of crops, the soil hardening is effectively reduced, the ecological environment of the farmland area is continuously improved, the period of yield reduction caused by soil fertility reduction is prolonged, and the method has great economic value.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. A method for improving ecological environment of farmland areas is characterized in that: the method comprises the following steps:
step 1), preparing nutrient substances, which specifically comprises:
step 1-1), crushing withered plants to obtain a nutrient substrate;
step 1-2), adding a microbial agent into a nutrient substrate, uniformly stirring, keeping the nutrient substrate moist, and culturing at a constant temperature of 30-40 ℃ for 6-9 days to obtain a nutrient substance;
step 2), excavating improvement pits in the farmland area;
step 3), uniformly mixing the soil and nutrient substances, then putting earthworms into the mixture, and culturing the mixture for 5 to 7 days at constant temperature of between 30 and 40 ℃ to obtain nutrient soil;
step 4), backfilling the nutrient soil into the improvement pit;
and 5) installing an irrigation device at the improvement pit, wherein the irrigation area of the irrigation device is within the range of the improvement pit.
2. The method for improving the ecological environment of a farmland zone as claimed in claim 1, which is characterized in that: in the step 1-2), an electrode is inserted into the nutrient substrate, and the output voltage of the electrode is 1-7V.
3. The method for improving the ecological environment of a farmland zone as claimed in claim 2, which is characterized in that: in the step 1-2), an electrode is inserted into the nutrient substrate, and the output voltage of the electrode is 3-5V.
4. A method for improving the ecological environment of a farmland zone as claimed in claim 3, wherein: in the step 1-2), electrode discharge is started for 10-15min every 2-3 hours.
5. The method for improving the ecological environment of a farmland zone as claimed in claim 1, which is characterized in that: in the step 2), a plurality of improvement pits are arranged, and the maximum distance between adjacent improvement pits is 4-5 m.
6. The method for improving the ecological environment of a farmland zone as claimed in claim 5, wherein: in the step 2), the cross section of the improved pit is square, and the side length of the cross section of the improved pit is 25-30 cm.
7. The method for improving the ecological environment of a farmland zone as claimed in claim 6, which is characterized in that: in the step 2), the depth of the improved pit is 30-40 cm.
8. The method for improving the ecological environment of a farmland zone as claimed in claim 7, which is characterized in that: and in the step 2), a plurality of water permeable holes are drilled in the improved pit side wall.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147062A (en) * | 2021-12-01 | 2022-03-08 | 山西晟禾生物科技有限公司 | Soil bioremediation method |
| CN114586494A (en) * | 2021-12-08 | 2022-06-07 | 北京市农林科学院 | Ecological restoration method for root soil of orchard in northern mountainous area |
| CN115069756A (en) * | 2022-06-07 | 2022-09-20 | 常州大学 | Method and device for degrading petroleum hydrocarbon polluted soil |
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