CN113508658A - Ecological restoration method for stony desertification area - Google Patents
Ecological restoration method for stony desertification area Download PDFInfo
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
An ecological restoration method for a stony desertification area comprises the following steps: soil in the stony desertification area is trimmed, and 5-10 t/mu of nutrient soil is paved above the soil to obtain improved soil: planting the shredded moss on nutrient soil containing a certain amount of water at the temperature of 20-25 ℃, compacting, and scattering a layer of thin soil around the moss until a moss crust layer is formed; after the moss is transplanted to the improved soil, straw is laid on the surface of the moss, and watering is carried out until the straw is soaked; transplanting the moss for 1-3 months, throwing the grass plant seeds with developed root systems on the surface under a preset environment, and performing water and fertilizer management on the grass plants; after the pasture plants wither in the first season, digging planting holes, transplanting economic fruit trees growing for 1 year, and carrying out water and fertilizer management on the economic fruit trees. On the basis of vegetation recovery, moss, pasture and economic fruit trees with high market benefits are added for treatment, and rapid treatment and sustainable healthy development of stony desertification areas are realized.
Description
Technical Field
The invention relates to the technical field of land treatment, in particular to an ecological restoration method for a stony desertification area.
Background
Stony desertification is short for stony desertification, and the main reason for the formation of stony desertification is that the economic and social activities of human beings destroy the rugged and fragile ecological environment of the karst, and the phenomena of vegetation degradation, aggravation of water and soil loss and weakening of land production potential appear. Over time, the extent and area of stony desertification continues to increase, which further delays the development of the local economic society. Karst landforms are widely distributed on Yunhuachuan plateaus, 3568 thousands of acres of land are desertified in the whole Guangxi region, more than 90% of poverty-stricken population in the whole region is distributed in the region, and thus the stony desertification phenomenon seriously hinders the improvement of the life quality of people and the sustainable development of economy in China.
At present, the ecological restoration technology in stony desertification areas in China adopts methods of land preparation, grass planting, tree planting and the like to control, but the needed time is long, the progress is slow, and the method is not beneficial to controlling water and soil loss.
Disclosure of Invention
Objects of the invention
The invention aims to provide an ecological restoration method for a stony desertification area, which is characterized in that moss and pasture as well as economic fruit trees with high market benefits are added for treatment on the basis of vegetation restoration, so that the rapid treatment and sustainable healthy development of the stony desertification area are realized.
(II) technical scheme
In order to solve the above problems, according to an aspect of the present invention, there is provided an ecological restoration method for a stony desertification region, comprising: soil in the stony desertification area is trimmed, and 5-10 t/mu of nutrient soil is paved above the soil to obtain improved soil: planting the shredded moss on nutrient soil containing a certain amount of water at the temperature of 20-25 ℃, compacting, and scattering a layer of thin soil around the moss until a moss crust layer is formed; after the moss is transplanted to the improved soil, paving straws on the surface of the moss, and watering until the straws are soaked; transplanting the moss for 1-3 months, throwing the grass plant seeds with developed root systems on the surface under a preset environment, and performing water and fertilizer management on the grass plants; after the pasture plants wither in the first season, digging planting holes, transplanting 1-year-old economic fruit trees and carrying out water and fertilizer management on the economic fruit trees.
Further, conditioning the soil in the stony desertification area comprises: and (3) crushing the boulders in the stony desertification area, and paving a soil layer with the thickness of more than 20cm above the paved gravels.
Furthermore, the water content of the nutrient soil for planting the moss is 40-80%.
Furthermore, the thickness of the straw is 5-10 cm.
Further, 5-10 t/mu of nutrient soil is paved above the soil, and the nutrient soil comprises the following components: 40-50 parts of humus, 10-30 parts of organic fertilizer, 10-30 parts of coal gangue, 2-10 parts of polyacrylamide, 20-25 parts of sugarcane tip powder, 5-10 parts of orange peel and 5-10 parts of actinomycete fertilizer.
Furthermore, the pasture grass plant is one or a combination of several of ryegrass, pennisetum hydridum, pennisetum purpureum, pennisetum hydridum, teosinte, sudan grass and sorghum sudan grass.
Furthermore, the seeds of the pasture plants need to be firstly planted with KH of 0.2-2g/L2PO4Soaking in the solution for 12-24h, and then soaking in 100-500mg/L gibberellin solution for 30-60 min.
Further, the water and fertilizer management of the pasture plants comprises the following steps: applying nitrogen, phosphorus and potassium fertilizers of 10 kg/mu during planting, irrigating 2-3 t/mu at one time, and topdressing urea of 10 kg/mu when the pasture plants reach a rapid growth period.
Furthermore, the economic fruit tree is one or a combination of more of mulberry, fructus momordicae, yellow dragon fruit, orange, golden camellia and walnut.
Furthermore, the transplanting distance of the walnuts is 10m multiplied by 10 m; transplanting spacing of mulberry, fructus Siraitiae Grosvenorii, Huanglong fruit, mandarin orange, and Camellia Chysantha is 5m × 5 m.
Further, the water and fertilizer management of economic fruit trees comprises the following steps: and 2kg-3kg of nutrient soil is applied to each planting hole during transplanting, the planting holes are compacted, watered, and topdressing and pruning are performed every year.
(III) advantageous effects
The technical scheme of the invention has the following beneficial technical effects:
the invention increases moss and pasture treatment on the basis of vegetation recovery. The moss grows rapidly, can rapidly stabilize surface soil and maintain water and soil, and provides proper water and nutrients for the growth of the pasture plants; the root system of the pasture plants is strong, the pasture further grows, and the fertilizing and soil raising are carried out, so that a good growth environment is provided for economic fruit trees growing for 1 year, and the income of local farmers is increased. And the combination of the moss and the pasture also accelerates the time of water retention and hilling.
Meanwhile, economic fruit trees with high market benefits are utilized, so that industrial benefits, ecological benefits and multi-win effects beneficial to farmers can be achieved, and sustainable and healthy development of stony desertification areas is realized.
The method solves the problem of degradation of an ecosystem in the stony desertification region, improves the soil in the stony desertification region, increases the biodiversity of the stony desertification region, provides a new technical method for scientific and effective treatment of the stony desertification region, and improves the economic benefit of the stony desertification region.
Drawings
FIG. 1 is a flow chart of steps of an ecological restoration method for a stony desertification region provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Fig. 1 is a flow chart of steps of an ecological restoration method for a stony desertification region provided by the present invention, please refer to fig. 1, the present invention provides an ecological restoration method for a stony desertification region, comprising the following steps:
step S1: and (3) trimming the soil in the stony desertification area, and paving 5-10 t/mu of nutrient soil above the soil to obtain the improved soil.
Specifically, remediating the soil of a stony desertification area includes: and (3) crushing boulders in the stony desertification area, paving soil with the thickness exceeding 20cm in the stony desertification area above the paved gravels, and flattening the surface pits in the process of paving the soil.
Optionally, 5-10 t/acre of nutrient soil is laid above the soil, and the nutrient soil comprises the following components: 40-50 parts of humus, 10-30 parts of organic fertilizer, 10-30 parts of coal gangue, 2-10 parts of polyacrylamide, 20-25 parts of sugarcane tip powder, 5-10 parts of orange peel and 5-10 parts of actinomycete fertilizer.
Step S2: planting the shredded moss on nutrient soil containing a certain amount of water at the temperature of 20-25 ℃, compacting, and scattering a layer of thin soil around the moss until a moss crust layer is formed.
Specifically, during 2-3 months in spring every year, the moss collected in the field is cut into pieces, and the moss is planted on the nutrient soil at the temperature of 20-25 ℃, wherein the moisture content of the nutrient soil needs to be kept at 40-80%.
Step S3: after the moss is transplanted to the improved soil, straw is paved on the surface of the moss, and watering is carried out until the straw is soaked.
Optionally, the thickness of the straw paved on the surface of the moss is 5-10 cm.
Step S4: and transplanting the moss for 1-3 months, throwing the grass plant seeds with developed root systems on the surfaces of the straws under a preset environment, and performing water and fertilizer management on the grass plants.
Specifically, before the step S4 is executed, the seeds of the grass plants need to be firstly KH 0.2-2g/L2PO4Soaking in the solution for 12-24h, and then soaking in 100-500mg/L gibberellin solution for 30-60 min. The potassium dihydrogen phosphate and the gibberellin have the effects of breaking seed dormancy and promoting germination, and also have the effects of promoting plant cell elongation, stalk elongation, leaf expansion and the like, so that the slow germination speed of the pasture seeds can be avoided, and the pasture seeds can be prevented from being influenced by adverse factors in the germination period.
Optionally, during the period of transplanting the moss for 1-3 months, the grass plant seeds are thrown on the straws in the weather with less rain evaporation. Meanwhile, water and fertilizer management is needed to be carried out on the pasture plants, wherein 10 kg/mu of nitrogen, phosphorus and potassium fertilizers are thrown while the seeds of the pasture plants are thrown, straws and surface soil are rotary-tilled by a small rotary cultivator, a certain amount of water is poured at last, namely 2-3 t/mu of water is poured at one time, and 10 kg/mu of urea is additionally applied when the pasture plants reach a rapid growth period, namely one month later.
Optionally, the pasture grass plant is one or more of ryegrass, pennisetum hydridum, elephantopus scaber, pennisetum purpureum, teosinte, sudan grass and sorghum sudanense.
Step S5: after the pasture plants wither in the first season, digging planting holes, transplanting 1-year-old economic fruit trees and carrying out water and fertilizer management on the economic fruit trees.
Specifically, after the pasture plants wither in the first season, planting holes are dug between 9 months and 10 months in autumn. Optionally, the size of the planting hole is as follows: the width is 15cm-30cm, the length is 15cm-30cm, and the depth is 15cm-30 cm.
Optionally, the economic fruit tree is one or more of mulberry, momordica grosvenori, yellow dragon fruit, orange, golden camellia and walnut. Wherein, the transplanting distance of the walnuts is 10m multiplied by 10 m; transplanting spacing of mulberry, fructus Siraitiae Grosvenorii, Huanglong fruit, mandarin orange, and Camellia Chysantha is 5m × 5 m.
The method for carrying out water and fertilizer management on economic fruit trees comprises the following steps: applying 2kg-3kg of nutrient soil to each planting hole during transplanting, compacting, and pouring sufficient water; and the economic fruit trees are fertilized and pruned every year.
The production method of the present invention is described in detail below with reference to specific examples.
Example 1
An ecological restoration method for a stony desertification area comprises the following steps:
step (1): blasting gunpowder to break boulders in the stony desertification area, paving the broken stones, covering a soil layer of the stony desertification area with the thickness of more than 20cm on the broken stones, leveling the rest pits, and finally paving 5 t/mu of nutrient soil to obtain the improved soil.
Wherein the nutrient soil comprises the following components in percentage by mass: 50 parts of humus (1.43 t/mu), 30 parts of organic fertilizer (0.86 t/mu), 30 parts of coal gangue (0.86 t/mu), 5 parts of polyacrylamide (0.14 t/mu), 25 parts of sugarcane tip chips (0.71 t/mu), 5 parts of citrus peel (0.14 t/mu) and 30 parts of actinomycete fertilizer (0.86 t/mu).
Step (2): in spring for 2-3 months, the moss collected in the field is torn into pieces, then planted on nutrient soil with the water content of 40% under the condition of shade and humidity, compacted, and finally a layer of thin soil is spread around the moss and watered until the moss cortex is formed.
And (3): transplanting the moss obtained in the step (2) to the improved soil trimmed in the step (1), laying corn straws with the thickness of 10cm on the moss after the transplantation is finished, and watering the corn straws until the straws are soaked.
And (4): after the moss is transplanted for 1 month, the seeds of the pasture grass plants are soaked in KH of 0.2g/L2PO4Soaking in 100mg/L gibberellin solution for 60min, and filtering with gauze. Selecting cloudy days with less rainwater evaporation, throwing the seeds on corn straws, simultaneously throwing 10 kg/mu of nitrogen, phosphorus and potassium fertilizer, finally carrying out rotary tillage on the straws and surface soil once by using a small rotary cultivator, and irrigating 2 t/mu of water.
In this step, additional application of 10 kg/acre of urea is required when the pasture reaches the fast growing stage.
And (5): after the pasture plants wither in the first season, digging planting holes with the width of 20cm, the length of 20cm and the depth of 20cm after 9-11 months in autumn, then transplanting economic fruit trees with mulberry trees, wherein the transplanting distance is 5m and 5m, simultaneously applying 2kg of nutrient soil in each planting hole, filling soil and compacting, pouring enough root fixing water, and fertilizing and pruning every year.
Example 2
An ecological restoration method for a stony desertification area comprises the following steps:
step (1): the difference in the step from example 1 is the components of the nutrient soil, and the rest contents are the same as example 1, and are not described in detail herein.
The nutrient soil comprises the following nutrient components in percentage by mass: 40 parts of humus (4.1 t/mu), 10 parts of organic fertilizer (1 t/mu), 10 parts of coal gangue (1 t/mu), 3 parts of polyacrylamide (0.4 t/mu), 20 parts of sugarcane tip powder (2 t/mu), 5 parts of citrus peel (0.5 t/mu) and 10 parts of actinomycete fertilizer (1 t/mu).
Step (2): the difference in this step from example 1 is the moisture content of the nutrient soil, and the rest of the contents are the same as those in example 1, and are not described in detail herein.
The nutrient soil needs to maintain 80% of water content.
And (3): transplanting the moss obtained in the step (2) to the improved soil trimmed in the step (1), paving corn straws with the thickness of 5cm on the moss after the transplantation is finished, and watering the corn straws until the straws are soaked.
And (4): after the moss is transplanted for 1-3 months, the seeds of the herbage plants are soaked in KH of 1g/L2PO4The solution is added for 12 hours, and then the mixture is added into 500mg/L gibberellin solution for 30min, and then the mixture is filtered out by gauze. Selecting cloudy days with less rainwater evaporation, throwing seeds on corn straws, finally rotary tillage is carried out on the corn straws and topsoil by using a rotary cultivator, and simultaneously throwing 10 kg/mu of nitrogen, phosphorus and potassium fertilizer to irrigate 3 t/mu of water.
In this step, 10 kg/mu of urea is applied when the pasture reaches the fast growing period.
And (5): after the pasture plants wither in the first season, in autumn for 9-11 months, digging planting holes with the width of 30cm, the length of 30cm and the depth of 30cm, then transplanting economic fruit trees and oranges, wherein the transplanting distance is 5m multiplied by 5m, meanwhile, 3kg of nutrient soil is applied to each planting hole, filling soil and compacting, watering root fixing water, and topdressing and pruning every year.
Example 3
An ecological restoration method for a stony desertification area comprises the following steps:
step (1): the difference in the step from example 1 is the components of the nutrient soil, and the rest contents are the same as example 1, and are not described in detail herein.
Laying 7.5 t/mu of nutrient soil, wherein the mass ratio of each nutrient component in the nutrient soil is as follows: 45 parts of humus (2.82 t/mu), 15 parts of organic fertilizer (0.94 t/mu), 15 parts of coal gangue (0.94 t/mu), 10 parts of polyacrylamide (0.62 t/mu), 20 parts of sugarcane tip powder (1.25 t/mu), 10 parts of citrus peel (0.62 t/mu) and 5 parts of actinomycete fertilizer (0.31 t/mu).
Step (2): the difference in this step from example 1 is the moisture content of the nutrient soil, and the rest of the contents are the same as those in example 1, and are not described in detail herein.
The nutrient soil needs to maintain 60% of water content.
And (3): transplanting the moss obtained in the step (2) to the improved soil trimmed in the step (1), paving rice straws with the thickness of 8cm on the moss after the transplantation is finished, and watering the rice straws until the straws are soaked.
And (4): after the moss is transplanted for 1-3 months, firstly, the seeds of the herbage plants are put in KH of 2g/L2PO4Soaking in the solution for 12h, soaking in 300mg/L gibberellin solution for 45min, and filtering with gauze. Selecting cloudy days with less rainwater evaporation capacity, scattering seeds on the rice straws, simultaneously scattering 10 kg/mu of nitrogen phosphorus potassium fertilizer, finally turning over the rice straws and surface soil by using a small-sized rotary cultivator, and irrigating 3 t/mu of water.
In this step, 10 kg/mu of urea is applied when the pasture reaches the fast growing period.
And (5): after the pasture plants wither in the first season, in autumn for 9-11 months, digging planting holes with the width of 20cm, the length of 20cm and the depth of 10cm, then transplanting economical fruit trees and walnuts, wherein the transplanting distance is 10m multiplied by 10m, simultaneously applying 2kg of nutrient soil in each planting hole, filling soil and compacting, pouring sufficient root fixing water, and fertilizing and pruning every year.
The invention aims to protect an ecological restoration method for a stony desertification area, which comprises the following steps: soil in the stony desertification area is trimmed, and 5-10 t/mu of nutrient soil is paved above the soil to obtain improved soil: planting the shredded moss on nutrient soil containing a certain amount of water at the temperature of 20-25 ℃, compacting, and scattering a layer of thin soil around the moss until a moss crust layer is formed; after the moss is transplanted to the improved soil, rice straws are laid on the surface of the moss, and watering is carried out until the rice straws are soaked; transplanting the moss for 1-3 months, throwing the grass plant seeds with developed root systems on the surface under a preset environment, and performing water and fertilizer management on the grass plants; after the pasture plants wither in the first season, digging planting holes, transplanting economic fruit trees growing for 1 year, and carrying out water and fertilizer management on the economic fruit trees. According to the invention, on the basis of vegetation recovery, moss and pasture treatment are added, and the combination of the moss and the pasture accelerates the time of water retention and hilling. The characteristic of rapid growth of wild moss in the stony desertification area is utilized, water and fertilizer are preserved, and proper water and nutrients are provided for the growth of pasture plants. And the further growth of the pasture and the fertilization and soil cultivation provide a good growth environment for economic fruit trees of 1 year. Meanwhile, economic fruit trees with high market benefits are utilized, so that industrial benefits, ecological benefits and multi-win effects beneficial to farmers can be achieved, and sustainable and healthy development of stony desertification areas is realized. The method solves the problem of degradation of an ecosystem in the stony desertification region, improves the soil in the stony desertification region, increases the biodiversity of the stony desertification region, provides a new technical method for scientific and effective treatment of the stony desertification region, and improves the economic benefit of the stony desertification region.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (11)
1. An ecological restoration method for a stony desertification area is characterized by comprising the following steps:
soil in the stony desertification area is trimmed, and 5-10 t/mu of nutrient soil is paved above the soil to obtain improved soil:
planting the shredded moss on nutrient soil containing a certain amount of water at the temperature of 20-25 ℃, compacting, and scattering a layer of thin soil around the moss until a moss cortex is formed;
after the moss is transplanted to the improved soil, laying straws on the surface of the moss, and watering until the straws are soaked;
the moss is transplanted for 1-3 months, grass plant seeds with developed root systems are thrown on the surface under a preset environment, and water and fertilizer management is carried out on the grass plants;
after the pasture plants wither in the first season, digging planting holes, transplanting 1-year-old economic fruit trees and carrying out water and fertilizer management on the economic fruit trees.
2. The method of claim 1, wherein said conditioning soil of the stony desertification area comprises:
and (3) blasting the boulders in the stony desertification area, and paving a soil layer with the thickness of more than 20cm above the paved gravels.
3. The method of claim 1,
the water content of the nutrient soil for moss planting is 40-80%.
4. The method of claim 1,
the thickness of the straw is 5-10 cm.
5. The method of claim 1, wherein 5-10 t/acre of nutrient soil is laid over the soil, the nutrient soil having a composition comprising:
40-50 parts of humus, 10-30 parts of organic fertilizer, 10-30 parts of coal gangue, 2-10 parts of polyacrylamide, 20-25 parts of sugarcane tip powder, 5-10 parts of orange peel and 5-10 parts of actinomycete fertilizer.
6. The method of claim 1,
the pasture plants are one or a combination of several of ryegrass, pennisetum hydridum, pennisetum purpureum, pennisetum sinese, pennisetum hydridum, sorghum sudanense and sorghum sudanense.
7. The method of claim 1,
the seeds of the pasture plants need to be firstly planted with KH of 0.2-2g/L2PO4Soaking in the solution for 12-24h, and then soaking in 100-500mg/L gibberellin solution for 30-60 min.
8. The method of claim 1,
the water and fertilizer management of the pasture plants comprises the following steps: applying nitrogen, phosphorus and potassium fertilizers of 10 kg/mu during planting, irrigating 2-3 t/mu at one time, and topdressing urea of 10 kg/mu when the pasture plants reach a rapid growth period.
9. The method of claim 1,
the economic fruit tree is one or a combination of more of mulberry, momordica grosvenori, yellow dragon fruit, orange, golden camellia and walnut.
10. The method of claim 1,
the transplanting distance of the walnuts is 10m multiplied by 10 m;
the transplanting interval of the mulberry, the momordica grosvenori, the yellow dragon fruit, the orange and the golden camellia is 5m multiplied by 5 m.
11. The method of claim 1,
the water and fertilizer management of the economic fruit trees comprises the following steps: and 2kg-3kg of nutrient soil is applied to each planting hole during transplanting, the planting holes are compacted, watered, and topdressing and pruning are performed every year.
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| CN202010280210.6A CN113508658A (en) | 2020-04-10 | 2020-04-10 | Ecological restoration method for stony desertification area |
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