CN114982561B - Method for recovering mine by using wild flax and wild flax harvesting method - Google Patents
Method for recovering mine by using wild flax and wild flax harvesting method Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000003306 harvesting Methods 0.000 title claims abstract description 32
- 244000236527 Linum perenne Species 0.000 title claims abstract description 23
- 235000008569 Linum perenne Nutrition 0.000 title claims abstract description 23
- 235000004431 Linum usitatissimum Nutrition 0.000 claims abstract description 75
- 241000208202 Linaceae Species 0.000 claims abstract description 73
- 230000012010 growth Effects 0.000 claims abstract description 49
- 241000196324 Embryophyta Species 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000002689 soil Substances 0.000 claims abstract description 40
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 239000003085 diluting agent Substances 0.000 claims abstract description 28
- 230000015556 catabolic process Effects 0.000 claims abstract description 21
- 238000006731 degradation reaction Methods 0.000 claims abstract description 21
- 239000003895 organic fertilizer Substances 0.000 claims abstract description 20
- 238000003973 irrigation Methods 0.000 claims abstract description 17
- 230000002262 irrigation Effects 0.000 claims abstract description 17
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 9
- 238000009333 weeding Methods 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 25
- 239000011550 stock solution Substances 0.000 claims description 20
- 238000009331 sowing Methods 0.000 claims description 16
- 235000004426 flaxseed Nutrition 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 239000003245 coal Substances 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims description 2
- 238000007605 air drying Methods 0.000 claims 2
- 238000010899 nucleation Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 21
- 239000007788 liquid Substances 0.000 description 8
- 238000006065 biodegradation reaction Methods 0.000 description 7
- 239000003513 alkali Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 235000011777 Corchorus aestuans Nutrition 0.000 description 2
- 240000004792 Corchorus capsularis Species 0.000 description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 description 2
- 240000006240 Linum usitatissimum Species 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 206010012434 Dermatitis allergic Diseases 0.000 description 1
- 206010017553 Furuncle Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 201000008937 atopic dermatitis Diseases 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000009646 cyclic growth Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/06—Harvesting of standing crops of flax or similar fibrous plants
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Cultivation Of Plants (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a method for recovering mines by using wild flax and a wild flax harvesting method, which comprises the following steps: at the beginning of 5 months in the first year, loosening soil after leveling and compacting the soil of a mine dumping site and the soil of a gangue hill, uniformly scattering a primary biological degradation agent diluent, then digging a ditch by a ditcher, filling organic fertilizer in the ditch, watering thoroughly 2-3 days before planting, and planting flax; inspecting the planted flax, watering by drip irrigation, measuring the water content of soil at the position of 9-11cm of drip irrigation point in summer, and stopping watering in autumn when the dry soil thickness reaches 3 cm; applying a secondary biological degradation agent diluent to the roots of the flax seedlings in the middle April to prevent heavy metals in soil from being absorbed by the roots of plants, watering for the second time in April in the next year, and finding out that weeds adopt artificial weeding at any time in the whole growth period; harvesting the plants in July every year after the second year; the invention successfully uses the flax to re-green the mine, saves land resources and creates commercial value.
Description
Technical Field
The invention belongs to the technical field of mine treatment, and particularly relates to a method for recovering mines by using wild flax and a wild flax harvesting method.
Background
The invention provides a method for recovering mines by using flax, which is drought-resistant, cold-resistant and saline-alkali-resistant plants.
Disclosure of Invention
The biodegradation agent and the plant growth liquid adopted by the invention are reagents provided by Shandong hawk biotechnology limited company.
Aiming at the technical problems, the invention provides a method for recovering mines by using wild flax and a wild flax harvesting method, wherein the wild flax is planted on a mine dumping site and a coal gangue mountain, the advantages of drought resistance, cold resistance and salt and alkali resistance of the wild flax are utilized, the mine is successfully re-greened, the land resources are saved, and meanwhile, the commercial value is created, and the method comprises the following steps:
a method for mine restoration by using flax, comprising the following steps:
step 1, planting flax: at the beginning of 5 months in the first year, loosening soil for 5-8cm after leveling and compacting the soil of a mine dumping site and the soil of a gangue mountain, uniformly scattering a primary biological degradation agent diluent, then excavating a gathering ditch with the width of 15-20cm, the depth of 25-35cm and the line spacing of 70-90cm by a ditcher, filling organic fertilizer in the gathering ditch, watering thoroughly 2-3 days before planting, and planting field flax;
step 2, managing and protecting the flax: inspecting the planted flax, adopting drip irrigation for watering in summer, measuring the water content of soil at the position of 9-11cm of drip irrigation point, and starting watering when the dry soil thickness reaches 3cm, stopping watering in autumn, wherein the coal gangue generates heat, and particularly in summer high-temperature seasons, timely watering is needed to prevent root burning; applying a secondary biological degradation agent diluent to the roots of the wild flax seedlings in the middle April to prevent heavy metals in soil from being absorbed by the roots of plants and affecting the growth of the wild flax, and the plants growing out of the absorbed heavy metals are harmful to human health after being ingested into human bodies; the spring does not need to be watered in the next year, the second water is watered until the beginning of the five months, and the whole growth period is that the weeds are manually weeding at any time, the growth of the weeds is strictly controlled in summer or autumn, and the weeds cannot grow to contend for nutrition with the flax in the wild; the flax is drought-resistant, cold-resistant and salt-tolerant, and can be used for not watering overwintering water before overwintering, or for removing drip irrigation, and paving the flax again after harvesting in the next year, so that the service life of the pipeline is prolonged.
Step 3, harvesting: harvesting is carried out in July every year after the second year after planting.
Further, the biological degradation agent diluent is a mixed solution of biological degradation agent stock solution and warm water with the temperature of 50-60 ℃, and the ratio of the biological degradation agent stock solution to the warm water is 1:100-150.
Further, the method for planting the flax seeds in the step 1 is a precision planter sowing method, the flax seeds are placed into a growth solution diluent to be soaked for 10-12 hours, the seeds are sowed on the surface of an organic fertilizer by a precision planter according to a row spacing of 70-90cm and a plant spacing of 30-35cm after water is drained, the seeds are buried into soil by a spraying device through a water spraying cover sowing method like heavy rain, the earth surface is kept moist for more than half a month until the bottom of July still has no emergence, seedling transplanting and seedling supplementing are achieved, so that the seedlings grown in each mu of land are ensured to be not less than 3500, and the rate of emergence is 60-70% by adopting the method for sowing.
Further, the method for planting the flax in the step 1 is a seedling raising pot seedling planting method, the flax seeds are placed in a growth solution diluent for soaking for 10-12 hours at the beginning of the five months, then planted in the seedling raising pot, the flax seeds are planted in the seedling raising pot when the flax seedlings grow to 3-5cm high in the late July, the seedlings are transplanted to the soil of a mine dumping field and a coal gangue mountain from the seedling raising pot according to the row spacing of 70-90cm, the plant spacing of 30-35cm and the density of 3000-4000 per mu, watering is carried out after the seedling transplanting, and the seedlings are inspected once every week, so that the survival rate of the seedlings is not lower than 3500 plants per mu before winter in autumn; sowing by adopting the method, wherein the emergence rate is 80-90%; although the flax is only 5-8cm high in the current year, the root can be pricked 80-100cm deep to accumulate strength for the overground part growth in open years.
Further, the growth solution diluent is a mixed solution of growth solution stock solution and warm water at 50-60 ℃, and the ratio of the growth solution stock solution to the warm water is 1:100-150.
Further, applying organic fertilizer with the width of 35-45cm and the thickness of 8-12cm on horses after harvesting.
Further, the organic fertilizer is dried for 8-13 days in the air and then is planted for the second time.
Further, the solar energy is saved as the head volt after the sun-curing is carried out for 10 days, and the secondary planting is carried out by adopting a precision planter planting method.
Further, the solar energy is saved to be medium voltage after the sun-curing for 10 days, and the seedling pot seedling planting method is adopted for secondary planting.
Further, drip irrigation is adopted for watering for 2-4 hours every 1-3 days after seedling transplanting.
On the other hand, weeds are removed before harvesting, the harvesting and sun-drying integrated machine is adopted before the flax flowers, and the harvested flax is dried in a shade or drying mode. (when harvesting, the flowers cannot be waited until the plants bloom, once the flowers bloom, the nutrient components of the plants are concentrated in the flowers and the fruits, the effective components of the stems and leaves can be greatly reduced, when harvesting, a sunny day is selected, and the cut flax is prevented from being insolated for a long time, because the effective components in the sun-dried plants can lose part).
The invention has the beneficial effects that:
1. the invention plants the flax on the mine dumping site and the gangue hill, utilizes the advantages of drought resistance, cold resistance and salt and alkali resistance of the flax to repair the mine, not only successfully rewarms the mine, but also successfully plants the flax on the mine waste land, the flax is a precious Chinese herbal medicine, has obvious efficacy in treating diseases such as furuncle, allergic dermatitis and the like, saves land resources, and creates commercial value.
2. The invention adopts plant growth liquid with proper proportion to treat the wild flax seeds, prepares for planting in the second year after harvesting the wild flax in the first year, ensures the cyclic growth of the wild flax, and can prick 800-1000cm deep for accumulating the power for the overground part growth in open year although the wild flax is only 5-8cm high in the current year.
3. The invention applies the biodegradation agent to the roots of the flax seedlings in the middle ten days of June to prevent heavy metals in soil from being absorbed by the roots of plants, and simultaneously, the flax seedlings are also systematically managed and protected after emergence, so that the survival rate and growth vigor of the flax are further ensured, the flax can be successfully planted in a mine dumping site and a gangue hill under the complementary action of plant growth liquid, and the emergence rate can reach 90%.
4. The invention adopts two planting methods, namely a precision planter seed sowing water drenching and covering method and a seedling raising pot seedling planting method, and the planting method can be selected according to actual conditions.
5. The invention discloses a specific harvesting method of wild flax, which ensures the utilization rate of the wild flax, also maintains the maximum medicinal value of the wild flax, has commercial prospect and is suitable for large-scale popularization.
Drawings
FIG. 1 is a flow chart of a method of mine restoration using flax;
fig. 2 is a diagram showing the effect of embodiment 2 of the present invention.
Detailed Description
For better illustrating the present invention, the following further details of the technical solution of the present invention, but the following examples are merely simple examples of the present invention and do not represent or limit the scope of the claims of the present invention.
Example 1
A method for mine restoration by using flax, comprising the following steps:
step 1, planting flax: at the beginning of 5 months in the first year, the soil of a mine dumping site and the soil of a gangue mountain are ground and compacted, then the soil is loosened for 5cm, and simultaneously, a primary biological degradation agent diluent is uniformly scattered, then a ditcher is used for excavating a gathering ditch with the width of 15cm, the depth of 25cm and the row spacing of 70cm, the gathering ditch is filled with organic fertilizer, and water is thoroughly poured 2 days before planting, and the field flax is planted;
step 2, managing and protecting the flax: inspecting the planted flax, watering by drip irrigation, measuring the water content of soil at the position of 9cm of drip irrigation drip point in summer, and stopping watering in autumn when the dry soil thickness reaches 3 cm; applying a secondary biological degradation agent diluent to the roots of the flax seedlings in the middle April to prevent heavy metals in soil from being absorbed by the roots of plants, watering for the second time in April in the next year, and finding out that weeds adopt artificial weeding at any time in the whole growth period;
step 3, harvesting: harvesting is carried out in July every year after the second year after planting.
And the ratio of the biological degradation agent stock solution to the warm water is 1:100;
and the method for planting the flax seeds in the step 1 is a precision planter sowing method, the flax seeds are placed into a growth solution diluent to be soaked for 10 hours, the seeds are sowed on the surface of an organic fertilizer by a precision planter according to a 70 row spacing and a 30-35cm plant spacing after water is drained, the seeds are buried into soil by a water drenching cover sowing method, the earth surface is kept moist for half a month, no seedlings emerge from the bottom of July, seedling supplement is carried out after taking the seedlings, and the growing seedlings of not less than 3500 plants per mu are ensured.
The growth solution diluent is a mixed solution of growth solution stock solution and warm water with the temperature of 50 ℃, and the ratio of the growth solution stock solution to the warm water is 1:100.
and applying organic fertilizer with the width of 35cm and the thickness of 8-cm on horses after harvesting.
And the organic fertilizer is dried for 8 days in the air and then is planted for the second time, and the fine sowing machine is adopted for sowing the seeds for the second time.
Example 2
A method for mine restoration by using flax, comprising the following steps:
step 1, planting flax: at the beginning of 5 months in the first year, the soil of a mine dumping site and the soil of a gangue mountain are loosened for 8cm after being compacted and uniformly scattered with a primary biological degradation agent diluent, then a ditcher is used for excavating a gathering ditch with the width of 20cm, the depth of 35cm and the row spacing of 90cm, the gathering ditch is filled with organic fertilizer, and the planting field flax is watered thoroughly 3 days before planting;
step 2, managing and protecting the flax: inspecting the planted flax, watering by drip irrigation, measuring the water content of soil at the position of 11cm of drip irrigation drip point in summer, and stopping watering in autumn when the dry soil thickness reaches 3 cm; applying a secondary biological degradation agent diluent to the roots of the flax seedlings in late Jute to prevent heavy metals in the soil from being absorbed by the roots of the plants; watering for the second time in April in the second year, and adopting artificial weeding at any time in the whole growth period;
step 3, harvesting: harvesting is carried out in July every year after the second year after planting. The method for planting the flax seeds in the step 1 is a seedling raising and planting method of seedling raising pot, the flax seeds are placed into a growth solution diluent for soaking for 11 hours at the beginning of the five months, then the flax seeds are planted in the seedling raising pot, the growth solution diluent is a mixed solution of a growth solution stock solution and warm water at 55 ℃, and the ratio of the growth solution stock solution to the warm water is 1:125.
the method comprises the steps of planting the flax seeds in a seedling raising pot, transplanting the flax seedlings from the seedling raising pot to the land of a mine dumping site and a coal gangue hill according to the row spacing of 90cm, the plant spacing of 35cm and the density of 3500 plants per mu when the flax seedlings grow to the height of 5cm in late July, watering after seedling transplanting, inspecting once every week, and finding out that one seedling is planted beside the wilt, so that the survival rate of the wilt seedlings before entering winter in autumn is not lower than 3500 plants per mu.
And the ratio of the biological degradation agent stock solution to the warm water is 1:125,
and applying organic fertilizer with the width of 45cm and the thickness of 12cm on horses after harvesting the flax.
And the organic fertilizer is dried for 13 days in the air and then is subjected to secondary planting, and a seedling pot seedling planting method is adopted for secondary planting.
And drip irrigation watering is adopted every 3 days after seedling transplanting for 4 hours.
Example 3
A method for mine restoration by using flax, comprising the following steps:
step 1, planting flax: at the beginning of 5 months in the first year, the soil of a mine dumping site and the soil of a gangue mountain are ground and compacted, then the soil is loosened for 6cm, and simultaneously, a primary biological degradation agent diluent is uniformly scattered, then a ditcher is used for excavating a gathering ditch with the width of 15cm, the depth of 30cm and the row spacing of 80cm, the gathering ditch is filled with organic fertilizer, water is thoroughly poured 2.5 days before planting, and the flax is planted;
step 2, managing and protecting the flax: inspecting the planted flax, watering by drip irrigation, measuring the water content of soil at the 10cm position of drip irrigation drip point in summer, and stopping watering in autumn when the dry soil thickness reaches 3 cm; applying a secondary biological degradation agent diluent to the roots of the flax seedlings in late Jute to prevent heavy metals in the soil from being absorbed by the roots of the plants; watering for the second time in April in the second year, and adopting artificial weeding at any time in the whole growth period;
step 3, harvesting: harvesting is carried out in July every year after the second year after planting.
And the ratio of the biological degradation agent stock solution to the warm water is 1:150
And the method for planting the flax seeds in the step 1 is a precision planter sowing method, the flax seeds are placed into a growth solution diluent to be soaked for 11 hours, the seeds are sowed on the surface of an organic fertilizer by a precision planter according to a row spacing of 80cm and a plant spacing of 32cm after water is drained, the seeds are buried into soil by a water drenching cover sowing method, the surface of the seeds is kept moist for more than half a month, no seedlings emerge from the bottom of July, the seedlings are planted and the seedlings are complemented by taking the seedlings, and the growing seedlings of 3500 plants are ensured to be not less than each mu of land.
The growth solution diluent is a mixed solution of growth solution stock solution and warm water at 60 ℃, and the ratio of the growth solution stock solution to the warm water is 1:150.
and applying organic fertilizer with the width of 40cm and the thickness of 10cm on horses after harvesting.
And the organic fertilizer is dried for 10 days in the air and then is planted for the second time, and the fine sowing machine is adopted for sowing the seeds for the second time.
Example 4
The weeds are removed before harvesting the flax planted in the embodiment 3, the flax is cut and dried in the sun by adopting a cutting and sun-drying integrated machine before flowering, long-time insolation of the cut flax is avoided, and the harvested flax is dried by adopting a drying or shade-drying mode.
Comparative example 1
The comparative example adopts the ratio of the stock solution of the growth-removing liquid to the warm water as 1:90 are different from example 2, and experimental planting is carried out by adopting the technical scheme of example 2, and specific data are shown in table 1.
Comparative example 2
The ratio of the stock solution of the growth-removing liquid to the warm water is 1:160 are different from example 2, and experimental planting is performed by adopting the technical scheme of example 2, and specific data are shown in table 1.
Comparative example 3
The experimental planting was performed by the technical scheme of example 2 except that the seed was not soaked with the growth solution diluent in this comparative example, and the specific data are shown in table 1.
Comparative example 4
The experimental planting was performed by the technical scheme of example 3 except that the seed was not soaked with the growth solution diluent in this comparative example, and the specific data are shown in table 1.
TABLE 1 growth Effect of growth fluids on Linum usitatissimum
As can be seen from Table 1, the emergence rate of example 2 is significantly higher than that of comparative examples 1-2, and the growth height is also significantly improved compared with comparative examples 1 and 2, indicating that the ratio of stock solution of growth liquid to temperature adopted by the invention is 2-4:98-96 is the optimal proportion, so that the emergence rate and the growth height of the flax can be obviously improved, and the growth liquid is not applied to the flax in comparative examples 3 and 4, so that the emergence rate and the growth height are larger than the gap between examples 1-3 and comparative examples 1-2, and the growth liquid adopted by the flax growth promoting agent disclosed by the invention has larger help to the flax growth.
Comparative example 5
The protocol of example 2 was used except that no biodegradation agent was applied to the comparative example, and the specific data are shown in Table 2.
Comparative example 6
The comparative example has a ratio of 1 of the biodegradation agent to the warm water: 90 are different from example 2, the protocol of example 2 was used, and the specific data are shown in Table 2.
Comparative example 7
The comparative example has a ratio of 1 of the biodegradation agent to the warm water: 160 are different from example 2, the protocol of example 2 was used, and the specific data are shown in Table 2.
TABLE 2 growth Effect of the biodegradable agent Linum usitatissimum
As can be seen from Table 2, the diameter, emergence rate and growth height of the wild flax root before harvesting in example 2 are obviously improved compared with those in comparative examples 5-7, because the ratio of the biodegradation agent to water adopted in the invention is 1:100-150 is the best ratio, which is favorable for the growth of the flax, while comparative examples 6-7 are more robust than comparative example 5, because no biodegradation agent is applied to the comparative example 5, which results in the absorption of heavy metal ions by the plant roots, which affects the growth of the plants.
In conclusion, the method of the invention is used for planting the flax in the mine dumping site and the gangue hill to repair the mine, which not only successfully greens the mine, protects the environment, saves land resources, creates commercial value, and has wide application prospect.
Claims (3)
1. A method for mine restoration by using flax, which is characterized by comprising the following steps:
step 1, planting flax: at the beginning of 5 months in the first year, leveling and compacting the land of a mine dumping site and a coal gangue mountain, then loosening the soil for 5-8cm, uniformly scattering a primary biological degradation agent diluent, then digging a gathering ditch with the width of 15-20cm, the depth of 25-35cm and the line spacing of 70-90cm by a ditcher, filling organic fertilizer in the gathering ditch, watering thoroughly 2-3 days before planting, and planting field flax; the biological degradation agent diluent is a mixed solution of biological degradation agent stock solution and warm water with the temperature of 50-60 ℃, and the ratio of the biological degradation agent stock solution to the warm water is 1:100-150;
step 2, managing and protecting the flax: inspecting the planted flax, performing drip irrigation and watering in summer, measuring the water content of soil at the position of 9-11cm of drip irrigation point, and stopping watering in autumn when the dry soil thickness reaches 3 cm; applying a secondary biological degradation agent diluent to the roots of the flax seedlings in the middle April to prevent heavy metals in soil from being absorbed by the roots of plants, watering for the second time in April in the next year, and finding out that weeds adopt artificial weeding at any time in the whole growth period;
step 3, harvesting: harvesting the plants in July every year after the second year; applying 35-45cm wide and 8-12cm thick organic fertilizer on horses after harvesting, airing the organic fertilizer for 8-13 days, and performing secondary planting;
air-drying for 10 days, then taking air-saving as head volts, and adopting a precision planter sowing method to carry out secondary planting;
air-drying for 10 days, then making air-saving be medium-voltage, adopting seedling-raising pot seedling-raising planting method to make secondary planting;
the method for planting the flax is a precision planter seed sowing method or a seedling pot seedling planting method;
the precision seeder seeding method comprises the following steps: soaking the wild flax seeds in a growth solution diluent for 10-12 hours, draining water, sowing the seeds on the surface of an organic fertilizer by a precision planter according to a row spacing of 70-90cm and a plant spacing of 30-35cm, burying the seeds in soil by a water drenching seed covering method, keeping the surface moist for more than half a month, and taking the seedlings for supplementing seedlings until no seedlings emerge at the bottom of July, so as to ensure that the seedlings grow up to 3500 plants per mu of land;
the seedling pot seedling planting method comprises the following steps: at the beginning of five months, the field flax seeds are put into a growth solution diluent for soaking for 10-12 hours and then planted in a seedling raising pot, when the field flax seedlings grow to 3-5cm in the late July, the seedlings are transplanted to the soil of a mine dumping site and a coal gangue dump from the seedling raising pot according to the row spacing of 70-90cm, the plant spacing of 30-35cm and the density of 3000-4000 per mu, watering is carried out by drip irrigation after the seedlings are transplanted, and the seedlings are inspected once every week, so that withered seedlings are found to be planted beside one plant;
the growth solution diluent is a mixed solution of growth solution stock solution and warm water at 50-60 ℃, and the ratio of the growth solution stock solution to the warm water is 1:100-150.
2. The method for recovering from mines by using flax according to claim 1, wherein irrigation is carried out for 2 to 4 hours every 1 to 3 days after seedling transplanting.
3. The method for harvesting the flax planted by the method for recovering the mine by using the flax according to claim 1 is characterized in that weeds are removed before harvesting, the flax is dried by a cutting and sun-drying integrated machine on sunny days before flowering, the cut flax is prevented from being exposed to the sun for a long time, and the harvested flax is dried in the shade or by drying.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210776082.3A CN114982561B (en) | 2022-07-04 | 2022-07-04 | Method for recovering mine by using wild flax and wild flax harvesting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210776082.3A CN114982561B (en) | 2022-07-04 | 2022-07-04 | Method for recovering mine by using wild flax and wild flax harvesting method |
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| Publication Number | Publication Date |
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| CN114982561A CN114982561A (en) | 2022-09-02 |
| CN114982561B true CN114982561B (en) | 2024-01-23 |
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