CN113316985A - Method for treating soil desertification - Google Patents
Method for treating soil desertification Download PDFInfo
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- CN113316985A CN113316985A CN202110515002.4A CN202110515002A CN113316985A CN 113316985 A CN113316985 A CN 113316985A CN 202110515002 A CN202110515002 A CN 202110515002A CN 113316985 A CN113316985 A CN 113316985A
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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
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
Abstract
The invention discloses a method for treating soil desertification, which comprises the following steps: s1, taking fertile soil suitable for pasture grass planting by using an excavator, and conveying the fertile soil to a sandy soil area by using a truck, wherein the selected fertile soil needs to retain the existing grass seeds and grass roots in the fertile soil, so that the growth of the grass seeds at the later stage is facilitated; s2, digging latticed grooves in the desertification soil, and intensively placing the dug desertification soil, wherein the method has the beneficial effects that: digging a proper amount of fertile soil, digging latticed grooves in a sandy soil area, mixing the fertile soil with the sandy soil, putting grass seeds in the mixed soil, digging annular grooves at the periphery, putting straws, hay and the like, building a fence, avoiding the loss of water, properly grazing after the grass seeds grow, utilizing the interaction between the excrement of animals and microorganisms to facilitate the fertility recovery of the soil, simultaneously carrying out a plurality of treatment modes, greatly accelerating the treatment process and improving the recovery speed of desertified soil.
Description
Technical Field
The invention relates to the technical field of soil desertification, in particular to a method for treating soil desertification.
Background
Soil desertification broadly refers to the process by which good soil or available land becomes heavily sandy soil or land and even a desert. The main processes of soil desertification are wind erosion and wind accumulation. In the areas around the desert, the soil becomes dry due to water loss, the soil particles disperse, and are blown out by wind to be eroded, and the content of fine particles is reduced, while in the areas where the wind force is too strong or weak, the sand particles are gradually accumulated on the surface of the soil to sand the soil. Thus, soil desertification includes a wind erosion process of grassy soil and a wind sand accumulation process at a distant site.
When the desertification of the soil is treated, the existing treatment method adopts a mode of afforestation, the period of the method is too long, the treatment effect is not obvious, and the feedback can not be obtained in the near future, so that the treatment of partial desertification soil fails, and a large amount of manpower and material resources are consumed.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a method for treating soil desertification.
The invention provides a method for treating soil desertification, which comprises the following steps:
s1, taking fertile soil suitable for pasture grass planting by using an excavator, and conveying the fertile soil to a sandy soil area by using a truck, wherein the selected fertile soil needs to retain the existing grass seeds and grass roots in the fertile soil, so that the growth of the grass seeds at the later stage is facilitated;
s2, digging latticed grooves in the desertification soil, intensively placing the dug desertification soil, keeping the distance between the transverse grooves and the longitudinal grooves consistent, keeping the depth at 25-30cm and the width at 5-10cm, mixing the taken desertification soil with fertile soil, and burying the latticed grooves by utilizing the mixed soil;
s3, digging a plurality of shallow pits in the mixed soil, wherein the distance between the shallow pits is 5-10cm, the distance between the shallow pits can be adjusted according to the actual condition of soil desertification, the soil desertification condition is serious, the distance between the shallow pits can be reduced, if the soil desertification condition is general, the distance can be increased, and the dug soil is placed on one side of the shallow pits for standby;
s4, putting prepared grass seeds in the shallow pits, wherein the grass seeds can be Salix purpurea, Alhagi sparsifolia, Medicago sativa or clover, and the grass seeds are uniformly put, so that the grass in each area has diversity;
s5, the grass seeds are irrigated through the pesticide, the spraying range is small, manual spraying can be carried out, the spraying precision is high, the spraying effect is good, the spraying range is large, spraying can be carried out through a machine, the spraying efficiency is high, and the workload of workers is greatly reduced;
s6, burying the irrigated shallow pits by using the excavated soil, compacting to prevent the shallow pits from being blown away by wind and sand so that the grass seeds can not grow, watering again to help the grass seeds to grow, and spraying by adopting a machine at the moment to reduce the spraying time and the workload;
s7, digging an annular ditch at the edge of the desertification soil, placing straws, dead leaves or branches and the like for filling, and utilizing surrounding branches and dead leaves, so that the straw dead leaves can be reused, the water in the desertification soil can be prevented from being lost too fast, and the straws can be changed into fertilizers after being decomposed, thereby facilitating the growth of microorganisms and grass seeds;
s8, constructing a fence above the annular ditch, compacting the straws and the dead leaves by using the fence, and preventing soil from losing under the action of wind power;
s9, grazing the land appropriately at regular intervals, and facilitating the fertility recovery of the soil by utilizing the interaction between the excrement of the animals and the microorganisms, thereby helping the growth of the grass seeds, improving the recovery speed of the desertified soil and accelerating the treatment process.
Further, the digging depth of the fertile soil in the step S1 is 15-20 cm.
Further, in the step S2, the area ratio of the fertile soil to the desertified soil is 1: 3.
further, the depth of the shallow pit in the step S4 is 20-25cm, and the width is 3-5 cm.
Further, in the step S6, the pharmaceutical composition is prepared by mixing water, nutrient solution and microbial solution according to a mass ratio of 200:1: 1.
Further, the depth of the annular groove in the step S7 is 40-50cm, and the width is 10-20 cm.
The invention has the beneficial effects that: digging a proper amount of fertile soil, digging latticed grooves in a sandy soil area, mixing the fertile soil with the sandy soil, putting grass seeds in the mixed soil, digging annular grooves at the periphery, putting straws, hay and the like, building a fence, avoiding the loss of water, properly grazing after the grass seeds grow, utilizing the interaction between the excrement of animals and microorganisms to facilitate the fertility recovery of the soil, simultaneously carrying out a plurality of treatment modes, greatly accelerating the treatment process and improving the recovery speed of desertified soil.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
S1, taking fertile soil suitable for pasture grass planting by using an excavator, and conveying the fertile soil to a sandy soil area by using a truck, wherein the selected fertile soil needs to retain the existing grass seeds and grass roots in the fertile soil, so that the growth of the grass seeds at the later stage is facilitated;
s2, digging latticed grooves in the desertification soil, intensively placing the dug desertification soil, keeping the distance between the transverse grooves and the longitudinal grooves consistent, keeping the depth at 25cm and the width at 5cm, mixing the taken desertification soil with fertile soil, and burying the latticed grooves by utilizing the mixed soil;
s3, digging a plurality of shallow pits in the mixed soil, wherein the distance between the shallow pits is 5cm, the distance between the shallow pits can be adjusted according to the actual condition of soil desertification, the soil desertification condition is serious, the distance between the shallow pits can be reduced, if the soil desertification condition is general, the distance can be increased, and the dug soil is placed on one side of the shallow pits for standby;
s4, putting prepared grass seeds in the shallow pits, wherein the grass seeds can be Salix purpurea, Alhagi sparsifolia, Medicago sativa or clover, and the grass seeds are uniformly put, so that the grass in each area has diversity;
s5, the grass seeds are irrigated through the pesticide, the spraying range is small, manual spraying can be carried out, the spraying precision is high, the spraying effect is good, the spraying range is large, spraying can be carried out through a machine, the spraying efficiency is high, and the workload of workers is greatly reduced;
s6, burying the irrigated shallow pits by using the excavated soil, compacting to prevent the shallow pits from being blown away by wind and sand so that the grass seeds can not grow, watering again to help the grass seeds to grow, and spraying by adopting a machine at the moment to reduce the spraying time and the workload;
s7, digging an annular ditch at the edge of the desertification soil, placing straws, dead leaves or branches and the like for filling, and utilizing surrounding branches and dead leaves, so that the straw dead leaves can be reused, the water in the desertification soil can be prevented from being lost too fast, and the straws can be changed into fertilizers after being decomposed, thereby facilitating the growth of microorganisms and grass seeds;
s8, constructing a fence above the annular ditch, compacting the straws and the dead leaves by using the fence, and preventing soil from losing under the action of wind power;
s9, grazing the land appropriately at regular intervals, and facilitating the fertility recovery of the soil by utilizing the interaction between the excrement of the animals and the microorganisms, thereby helping the growth of the grass seeds, improving the recovery speed of the desertified soil and accelerating the treatment process.
Further, the excavation depth of the fertile soil in step S1 is 15 cm.
Further, in step S2, the area ratio of fertile soil to desertified soil is 1: 3.
further, the depth of the dimple in step S4 is 20cm, and the width is 3 cm.
Further, in step S6, the pharmaceutical composition is prepared by mixing water, nutrient solution and microbial solution at a mass ratio of 200:1: 1.
Further, the annular groove in step S7 has a depth of 40cm and a width of 10 cm.
Example two
The embodiment is improved on the basis of the first embodiment:
a method of remediating desertification of soil comprising the steps of:
s1, taking fertile soil suitable for pasture grass planting by using an excavator, and conveying the fertile soil to a sandy soil area by using a truck, wherein the selected fertile soil needs to retain the existing grass seeds and grass roots in the fertile soil, so that the growth of the grass seeds at the later stage is facilitated;
s2, digging latticed grooves in the desertification soil, intensively placing the dug desertification soil, keeping the distance between the transverse grooves and the longitudinal grooves consistent, keeping the depth at 26cm and the width at 6cm, mixing the taken desertification soil with fertile soil, and burying the latticed grooves by utilizing the mixed soil;
s3, digging a plurality of shallow pits in the mixed soil, wherein the distance between the shallow pits is 6cm, the distance between the shallow pits can be adjusted according to the actual condition of soil desertification, the soil desertification condition is serious, the distance between the shallow pits can be reduced, if the soil desertification condition is general, the distance can be increased, and the dug soil is placed on one side of the shallow pits for standby;
s4, putting prepared grass seeds in the shallow pits, wherein the grass seeds can be Salix purpurea, Alhagi sparsifolia, Medicago sativa or clover, and the grass seeds are uniformly put, so that the grass in each area has diversity;
s5, the grass seeds are irrigated through the pesticide, the spraying range is small, manual spraying can be carried out, the spraying precision is high, the spraying effect is good, the spraying range is large, spraying can be carried out through a machine, the spraying efficiency is high, and the workload of workers is greatly reduced;
s6, burying the irrigated shallow pits by using the excavated soil, compacting to prevent the shallow pits from being blown away by wind and sand so that the grass seeds can not grow, watering again to help the grass seeds to grow, and spraying by adopting a machine at the moment to reduce the spraying time and the workload;
s7, digging an annular ditch at the edge of the desertification soil, placing straws, dead leaves or branches and the like for filling, and utilizing surrounding branches and dead leaves, so that the straw dead leaves can be reused, the water in the desertification soil can be prevented from being lost too fast, and the straws can be changed into fertilizers after being decomposed, thereby facilitating the growth of microorganisms and grass seeds;
s8, constructing a fence above the annular ditch, compacting the straws and the dead leaves by using the fence, and preventing soil from losing under the action of wind power;
s9, grazing the land appropriately at regular intervals, and facilitating the fertility recovery of the soil by utilizing the interaction between the excrement of the animals and the microorganisms, thereby helping the growth of the grass seeds, improving the recovery speed of the desertified soil and accelerating the treatment process.
Further, the excavation depth of the fertile soil in step S1 is 16 cm.
Further, in step S2, the area ratio of fertile soil to desertified soil is 1: 3.
further, the depth of the dimple in step S4 is 26cm, and the width is 3 cm.
Further, in step S6, the pharmaceutical composition is prepared by mixing water, nutrient solution and microbial solution at a mass ratio of 200:1: 1.
Further, the annular groove in step S7 has a depth of 43m and a width of 13 cm.
EXAMPLE III
The embodiment is improved on the basis of the first embodiment:
a method of remediating desertification of soil comprising the steps of:
s1, taking fertile soil suitable for pasture grass planting by using an excavator, and conveying the fertile soil to a sandy soil area by using a truck, wherein the selected fertile soil needs to retain the existing grass seeds and grass roots in the fertile soil, so that the growth of the grass seeds at the later stage is facilitated;
s2, digging latticed grooves in the desertification soil, intensively placing the dug desertification soil, keeping the distance between the transverse grooves and the longitudinal grooves consistent, keeping the depth at 27cm and the width at 7cm, mixing the taken desertification soil with fertile soil, and burying the latticed grooves by utilizing the mixed soil;
s3, digging a plurality of shallow pits in the mixed soil, wherein the distance between the shallow pits is 7cm, the distance between the shallow pits can be adjusted according to the actual condition of soil desertification, the soil desertification condition is serious, the distance between the shallow pits can be reduced, if the soil desertification condition is general, the distance can be increased, and the dug soil is placed on one side of the shallow pits for standby;
s4, putting prepared grass seeds in the shallow pits, wherein the grass seeds can be Salix purpurea, Alhagi sparsifolia, Medicago sativa or clover, and the grass seeds are uniformly put, so that the grass in each area has diversity;
s5, the grass seeds are irrigated through the pesticide, the spraying range is small, manual spraying can be carried out, the spraying precision is high, the spraying effect is good, the spraying range is large, spraying can be carried out through a machine, the spraying efficiency is high, and the workload of workers is greatly reduced;
s6, burying the irrigated shallow pits by using the excavated soil, compacting to prevent the shallow pits from being blown away by wind and sand so that the grass seeds can not grow, watering again to help the grass seeds to grow, and spraying by adopting a machine at the moment to reduce the spraying time and the workload;
s7, digging an annular ditch at the edge of the desertification soil, placing straws, dead leaves or branches and the like for filling, and utilizing surrounding branches and dead leaves, so that the straw dead leaves can be reused, the water in the desertification soil can be prevented from being lost too fast, and the straws can be changed into fertilizers after being decomposed, thereby facilitating the growth of microorganisms and grass seeds;
s8, constructing a fence above the annular ditch, compacting the straws and the dead leaves by using the fence, and preventing soil from losing under the action of wind power;
s9, grazing the land appropriately at regular intervals, and facilitating the fertility recovery of the soil by utilizing the interaction between the excrement of the animals and the microorganisms, thereby helping the growth of the grass seeds, improving the recovery speed of the desertified soil and accelerating the treatment process.
Further, the excavation depth of the fertile soil in step S1 was 18 cm.
Further, in step S2, the area ratio of fertile soil to desertified soil is 1: 3.
further, the depth of the shallow pit in step S4 is 24cm, and the width is 4 cm.
Further, in step S6, the pharmaceutical composition is prepared by mixing water, nutrient solution and microbial solution at a mass ratio of 200:1: 1.
Further, the annular groove in step S7 has a depth of 46cm and a width of 17 cm.
Example four
The embodiment is improved on the basis of the first embodiment:
a method of remediating desertification of soil comprising the steps of:
s1, taking fertile soil suitable for pasture grass planting by using an excavator, and conveying the fertile soil to a sandy soil area by using a truck, wherein the selected fertile soil needs to retain the existing grass seeds and grass roots in the fertile soil, so that the growth of the grass seeds at the later stage is facilitated;
s2, digging latticed grooves in the desertification soil, intensively placing the dug desertification soil, keeping the distance between the transverse grooves and the longitudinal grooves consistent, keeping the depth at 30cm and the width at 10cm, mixing the taken desertification soil with fertile soil, and burying the latticed grooves by utilizing the mixed soil;
s3, digging a plurality of shallow pits in the mixed soil, wherein the distance between the shallow pits is 10cm, the distance between the shallow pits can be adjusted according to the actual condition of soil desertification, the soil desertification condition is serious, the distance between the shallow pits can be reduced, if the soil desertification condition is general, the distance can be increased, and the dug soil is placed on one side of the shallow pits for standby;
s4, putting prepared grass seeds in the shallow pits, wherein the grass seeds can be Salix purpurea, Alhagi sparsifolia, Medicago sativa or clover, and the grass seeds are uniformly put, so that the grass in each area has diversity;
s5, the grass seeds are irrigated through the pesticide, the spraying range is small, manual spraying can be carried out, the spraying precision is high, the spraying effect is good, the spraying range is large, spraying can be carried out through a machine, the spraying efficiency is high, and the workload of workers is greatly reduced;
s6, burying the irrigated shallow pits by using the excavated soil, compacting to prevent the shallow pits from being blown away by wind and sand so that the grass seeds can not grow, watering again to help the grass seeds to grow, and spraying by adopting a machine at the moment to reduce the spraying time and the workload;
s7, digging an annular ditch at the edge of the desertification soil, placing straws, dead leaves or branches and the like for filling, and utilizing surrounding branches and dead leaves, so that the straw dead leaves can be reused, the water in the desertification soil can be prevented from being lost too fast, and the straws can be changed into fertilizers after being decomposed, thereby facilitating the growth of microorganisms and grass seeds;
s8, constructing a fence above the annular ditch, compacting the straws and the dead leaves by using the fence, and preventing soil from losing under the action of wind power;
s9, grazing the land appropriately at regular intervals, and facilitating the fertility recovery of the soil by utilizing the interaction between the excrement of the animals and the microorganisms, thereby helping the growth of the grass seeds, improving the recovery speed of the desertified soil and accelerating the treatment process.
Further, the excavation depth of the fertile soil in step S1 is 20 cm.
Further, in step S2, the area ratio of fertile soil to desertified soil is 1: 3.
further, the depth of the dimple in step S4 is 25cm, and the width is 5 cm.
Further, in step S6, the pharmaceutical composition is prepared by mixing water, nutrient solution and microbial solution at a mass ratio of 200:1: 1.
Further, the annular groove in step S7 has a depth of 50cm and a width of 20 cm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (6)
1. A method for treating soil desertification is characterized by comprising the following steps:
s1, taking fertile soil suitable for pasture grass planting by using an excavator, and conveying the fertile soil to a sandy soil area by using a truck, wherein the selected fertile soil needs to retain the existing grass seeds and grass roots in the fertile soil, so that the growth of the grass seeds at the later stage is facilitated;
s2, digging latticed grooves in the desertification soil, intensively placing the dug desertification soil, keeping the distance between the transverse grooves and the longitudinal grooves consistent, keeping the depth at 25-30cm and the width at 5-10cm, mixing the taken desertification soil with fertile soil, and burying the latticed grooves by utilizing the mixed soil;
s3, digging a plurality of shallow pits in the mixed soil, wherein the distance between the shallow pits is 5-10cm, the distance between the shallow pits can be adjusted according to the actual condition of soil desertification, the soil desertification condition is serious, the distance between the shallow pits can be reduced, if the soil desertification condition is general, the distance can be increased, and the dug soil is placed on one side of the shallow pits for standby;
s4, putting prepared grass seeds in the shallow pits, wherein the grass seeds can be Salix purpurea, Alhagi sparsifolia, Medicago sativa or clover, and the grass seeds are uniformly put, so that the grass in each area has diversity;
s5, the grass seeds are irrigated through the pesticide, the spraying range is small, manual spraying can be carried out, the spraying precision is high, the spraying effect is good, the spraying range is large, spraying can be carried out through a machine, the spraying efficiency is high, and the workload of workers is greatly reduced;
s6, burying the irrigated shallow pits by using the excavated soil, compacting to prevent the shallow pits from being blown away by wind and sand so that the grass seeds can not grow, watering again to help the grass seeds to grow, and spraying by adopting a machine at the moment to reduce the spraying time and the workload;
s7, digging an annular ditch at the edge of the desertification soil, placing straws, dead leaves or branches and the like for filling, and utilizing surrounding branches and dead leaves, so that the straw dead leaves can be reused, the water in the desertification soil can be prevented from being lost too fast, and the straws can be changed into fertilizers after being decomposed, thereby facilitating the growth of microorganisms and grass seeds;
s8, constructing a fence above the annular ditch, compacting the straws and the dead leaves by using the fence, and preventing soil from losing under the action of wind power;
s9, grazing the land appropriately at regular intervals, and facilitating the fertility recovery of the soil by utilizing the interaction between the excrement of the animals and the microorganisms, thereby helping the growth of the grass seeds, improving the recovery speed of the desertified soil and accelerating the treatment process.
2. The method for remediating desertification of soil as recited in claim 1, wherein said fertile soil is dug to a depth of 15-20cm in said step S1.
3. The method for treating desertification of soil according to claim 1, wherein the area ratio of the fertile soil to the desertification soil in the step S2 is 1: 3.
4. a method of remediating desertification of soil as claimed in claim 1, wherein the shallow pits in step S4 have a depth of 20-25cm and a width of 3-5 cm.
5. The method for treating soil desertification according to claim 1, wherein the agent in step S6 is water, a nutrient solution and a microbial solution mixed in a mass ratio of 200:1: 1.
6. A method of remediating sand in soil as set forth in claim 1, wherein said annular trench of step S7 has a depth of 40-50cm and a width of 10-20 cm.
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Cited By (2)
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| CN114080875A (en) * | 2021-11-29 | 2022-02-25 | 西藏自治区农牧科学院草业科学研究所 | Method for improving and repairing desertification grassland soil |
| CN115500215A (en) * | 2022-09-21 | 2022-12-23 | 中国科学院东北地理与农业生态研究所 | Desert-reversing grass field cultivation method and grass field |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114080875A (en) * | 2021-11-29 | 2022-02-25 | 西藏自治区农牧科学院草业科学研究所 | Method for improving and repairing desertification grassland soil |
| CN114080875B (en) * | 2021-11-29 | 2022-08-19 | 西藏自治区农牧科学院草业科学研究所 | Desertification grassland soil improvement and remediation method |
| CN115500215A (en) * | 2022-09-21 | 2022-12-23 | 中国科学院东北地理与农业生态研究所 | Desert-reversing grass field cultivation method and grass field |
| CN115500215B (en) * | 2022-09-21 | 2024-03-22 | 中国科学院东北地理与农业生态研究所 | Grass field cultivation method for reverse desert |
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