CN109729900A - A kind of Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction - Google Patents
A kind of Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction Download PDFInfo
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Abstract
The present invention discloses a kind of Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction, including step 1: site type classification；Step 2: plantation selection of seedling and processing；Step 3: the application of the reconstruction technique of vegetation.It is divided with soil moisture and nutrient situation and intermediate zone vegetation state, the fast quick-recovery for Virgin Forest Difficult site vegetation provides technical support.According to afforestation, on the spot division principle carries out revegetation, quick recovering vegetation and reconstruction, improves forest land water holding capacity, research achievement has important practical significance in production, and the fast quick-recovery for Virgin Forest Difficult site vegetation provides technical support.
Description
Technical field
The present invention relates to ecological restoration technical field more particularly to a kind of Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction.
Background technique
Vegetation type and distribution are the concentrated expression of all factors of environment, it indicates comprehensive quality on the spot.Landform, landforms
Decide the reallocation of light, water, fertilizer, gas (humidity and wind).Therefore, generally with height above sea level Combining with terrain position, thickness of soil, vegetation
Cover degree etc. divides site type.However, Dry River Valley of Minjiang's Upper Course landform, landforms are complicated, natural climate condition is special, utilizes
The above-mentioned factor, which divide, will be present certain difficulty.
Water deficit is to limit the major obstacle of Arid river valleys in Western Sichuan area forest development, determines that the region land occupation condition is poor
Different Main Factors are soil water regimes.Although terrain factor is not Lifestyle factor necessary to tree growth, it passes through
Reallocation to Lifestyle factors such as light, heat, water, profoundly reflects the microclimate conditions of different reproducing areas, and consumingly influences
Different soils water regime comprehensive decision is played to entire local ecological environment so as to cause the significant difference of tree growth
Property effect；Edaphic factor is both the carrier that plant depends on for existence, it is not only the direct receiving of the factors such as light, heat, moisture, plant
Person, and be the concentrated expression person of each ecological factor.Therefore, when dividing the survey region site type, soil moisture and
Nutrient situation and topography and geomorphology have become the very important factor
Arid river valleys in Western Sichuan upper limb area, height above sea level, landform positions are identical, but weather obtains difference, lead to soil, vegetation not to the utmost
It is identical.Due to natural conditions complexity, miniclimate is varied, to influence soil and vegetation.The reason of leading to soil drought, is:
The sunshine time in East and West direction river valley is long；Spacious river valley heating surface is big, and radiation is strong；Liang He intersection wind speed is maximum, accelerates soil
Moisture evaporation；The soil vegetative cover formed in the weathering matrix such as phyllite is fine and smooth, and imbibition is few after precipitation and loss is more, and the soil body is dry；
Tailo sunshine is long；Abrupt slope soil layer is thin, and water is few.Since the soil body is dry, the strong fruticuli of short drought tolerance is grown.The opposite signs of drought
Mitigation vegetation then develops into brushwood or tall and big shrub, cover degree are also gradually increased.Organic matter increases, and soil mechanism, fertility also have
Improve.Thus, determine that the Main Factors of land occupation condition difference are soil water regimes.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction, according to river west arid
The principle of river valley upper limb afforestation site type classification, is drawn with soil moisture and nutrient situation and intermediate zone vegetation state
Point, the fast quick-recovery for the arid Difficult site vegetation in river west provides technical support.
In order to achieve the above objectives, the specific technical proposal of the invention is: a kind of Arid river valleys in Western Sichuan vegetation restoration and reconstruction side
Method, which is characterized in that including step 1: site type classification；Step 2: plantation selection of seedling and processing；Step 3: vegetation
The application of reconstruction technique.
Preferably, the step 1 is on the spot divided into 7 site types and one is sealed a mountain pass and educates careless site type, concrete kind
Type is as follows:
I class: Schattenseite moistens fertile-high filling type, is mainly distributed on both ends that dry valley includes tributary and brae top i.e.
Below virgin forest, the location Schattenseite height above sea level 1410m-2400m；Advantage vegetation is smoke tree, Ostryopsis davidiana, almond and oak class；Soil is more
For earth grey cinnamonic soil in boulderet matter, average relative water content 35.3%, surface soil is averaged the content of organic matter 4.13%, and liquid manure situation is good,
Afforestation easily survives；II class: fertile-high filling type in the damp Asia of tailo is mainly distributed on dry valley (including tributary) both ends and brae
Top (below virgin forest) location height above sea level 2100m-2640m；Advantage vegetation is smoke tree, Ostryopsis davidiana, almond and oak class；Soil is more
For middle earth grey cinnamonic soil, average relative water content 28.9%, surface soil is averaged the content of organic matter 3.35%, and liquid manure situation is preferable；
Group III: barren-short filling type in the damp Asia of Schattenseite, be mainly distributed on dry valley (including tributary) both ends the foot of a mountain and in
The location Duan Banshan, Schattenseite height above sea level 1400m-2075m；Advantage vegetation is mountain ebony, meets the summer；Soil is the light earth grey cinnamonic soil of more gravels,
Average relative water content 27.0%, surface soil are averaged the content of organic matter 2.62%, and liquid manure situation is medium；
IV class: dry sub- barren-short filling type of tailo, be mainly distributed on height above sea level 2050-2450 range brae middle and upper part and
Arid central periphery；Dominant plant Sophora viciifolia, narrow leaf Qiang spend；Soil is mostly more light gravel matter grey cinnamonic soils, average relative water content
16.1%, surface soil is averaged the content of organic matter 2.54%, antecedent soil moisture, and liquid manure situation is barren；
V class: barren-half filling type in the damp Asia of Schattenseite is mainly distributed on the brae middle and upper part of height above sea level 1410-2450 range and does
Non-irrigated central periphery；Dominant plant type is gmelin worm wood, sweet river aster；Soil is mostly more boulderet matter grey cinnamonic soils, average relative hydration
Amount 26.3%, surface soil be averaged the content of organic matter 2.21%, and soil relatively moistens, and liquid manure situation is barren；
VI class: dry barren-half filling type of tailo is mainly distributed on the brae middle and upper part of height above sea level 1410-2450 range and does
Non-irrigated central periphery；Dominant plant type is golden flower fleabane, Central Asia aster wood, gmelin worm wood；Soil is mostly more boulderet matter grey cinnamonic soils, is put down
Equal relative water content 17.5%, surface soil are averaged the content of organic matter 1.85%, antecedent soil moisture, and liquid manure situation is barren；
VII class: tailo extremely dries barren-half filling type of mound shape, is mainly distributed in the brae of height above sea level 1410-2450 range
Portion and arid central periphery；Dominant plant type is alpine yarrow shape Asia chrysanthemum, thorn japanese bearbind, Min Gu Mulan；Soil is mostly that more boulderet matter ashes are brown
Soil, average relative water content 8.83%, surface soil are averaged the content of organic matter 1.49%, and soil is extremely dry, and liquid manure situation is barren；
VIII class: seal a mountain pass and educate careless site type: dangerous slope, naked rock, proluvial beach-, which are sealed a mountain pass, educates careless type, is distributed in height above sea level 1400-
The river valley the lowest point of 2300m and piedmont belt are distributed, and are sporadicly distributed in the foot of a mountain location of dry valley；Dominant plant type has
Alpine yarrow shape Asia chrysanthemum, Min Gu Mulan, whorlleaf stonecrop herb.
Preferably, the selection and processing step of the step 2 nursery stock are as follows: (1) clear woods scheme: along contour interval 2
Clear woods, clear forest belt 3m press the clear woods of block area in clear forest belt；Target indigenous tree arbor, seedling and sapling in reserve band, clearly
Except weeds and miscellaneous filling in planting hole；(2) drought-enduring, the barren-resistant and suitable tree species respectively on the spot afforested selection of seedling: are selected before afforestation；
(3) seedling treatment: Miao Genfei mud dips method or seedling root Plant hormone treatment method；The seedling root reason of nursery stock is arranged in the tree planting same day
Progress, stain dip in after at once with 100 plants to 200 plants for portion, seedling root is downward, be packed into opaque woven bag or polybag,
It is transported to afforestation place, one bag of manpower, is transplanted；It is put into shady place when rest, avoids sunlight exposure, it is ensured that when seedling root is long
Between be in moisture state；(4) site preparation and plant: taking cave-shaped site preparation, and cave bottom wants smooth, and soil wants fine crushing loose, grass roots in cave,
Stone, chad will be picked except completely, the loam business heart in surface layer is filled out back in cave；Thickness of soil is greater than 40cm in cave；It first will be in cave before cultivation seedling
The side for being placed on cave is dug out in soil to bottom, is then placed in nursery stock, allow the horizontal root system of nursery stock and vertical root system when, with hand gently to
On by nursery stock mention it is several under, allow its root system to re-expand, after will often be loosened the soil compression, then earth backing with hand, then compress, one layer of pine is answered on surface
Soil, 8cm or more at rhizosphere when blinding thickness will more than nursery stock garden, cave face should be not less than level ground 3cm or more, fortune after blinding
With cave is deep-cut, deep plant and thick native coverage method and cave face are lower than the planting method of level ground；(5) it mixed patterns: in the ranks mixes and hands over；Band
Capable not etc. the mixed friendship of shape 2-5 random mixed is handed over；(6) time and method for planting are transplanted: the plant time: generally shortly before rainy season, i.e., 4
The middle ten days and the last ten days moon, selection cloudy day or afforestation of small rainy day；Method for planting: wanting fine earth to backfill when plant, compaction in layers, to accomplish seedling just,
Root relaxes, inner tight, table pine.
Preferably, the seedling root fertilizer mud dipping methods in the step (3): with fertile fine earth and water after sterilization or dense
Degree is tuned into mud for 1% ammonium sulfate and thin yellow soil, dips nursery stock portion, mud do dilute formula degree to dip in upper mud after
Loseing primitive root color is advisable, and seedling root can keep root system to be in moisture state for a long time after dipping mud.Wherein mud should not glue excessively,
Root system has dipped in excessively viscous mud thick shell easy to form, interferes the absorption of root system and being normally carried out for respiratory function.
Further, the seedling root Plant hormone treatment method in the step (3): seedling is impregnated with ammonium sulfate and 2.4-D solution
The wooden root, the use concentration of ammonium sulfate are between 0.5% to 1%；The concentration of 2.4-D is 100PPM or less.
Compared with prior art, the present invention has the advantage that
1, on the spot divide and connect the zone of vegetation horizontally and vertically, be formed with center and have irregular
" ring-type " distribution, vegetation type and distribution are that the whole of all factors of environment closes reflection, indicate the difference of land occupation condition.Vegetation is resistance to
Non-irrigated ability is stronger, then land occupation condition is poorer, it is on the contrary then better；
2, quick recovering vegetation and reconstruction, improve forest land water holding capacity, and research achievement has important reality in production
Meaning, the fast quick-recovery for Virgin Forest Difficult site vegetation provide technical support.
Specific embodiment
Example 1: a kind of Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction, including step 1: site type classification；Step
Two: plantation selection of seedling and processing；Step 3: the application of the reconstruction technique of vegetation.
Wherein the step 1 is on the spot divided into 7 site types and one is sealed a mountain pass and educates careless site type, and concrete type is such as
Under:
I class: Schattenseite moistens fertile-high filling type, is mainly distributed on both ends that dry valley includes tributary and brae top i.e.
Below virgin forest, the location Schattenseite height above sea level 1410m-2400m；Advantage vegetation is smoke tree, Ostryopsis davidiana, almond and oak class；Soil is more
For earth grey cinnamonic soil in boulderet matter, average relative water content 35.3%, surface soil is averaged the content of organic matter 4.13%, and liquid manure situation is good,
Afforestation easily survives；II class: fertile-high filling type in the damp Asia of tailo is mainly distributed on dry valley (including tributary) both ends and brae
Top (below virgin forest) location height above sea level 2100m-2640m；Advantage vegetation is smoke tree, Ostryopsis davidiana, almond and oak class；Soil is more
For middle earth grey cinnamonic soil, average relative water content 28.9%, surface soil is averaged the content of organic matter 3.35%, and liquid manure situation is preferable；
Group III: barren-short filling type in the damp Asia of Schattenseite, be mainly distributed on dry valley (including tributary) both ends the foot of a mountain and in
The location Duan Banshan, Schattenseite height above sea level 1400m-2075m；Advantage vegetation is mountain ebony, meets the summer；Soil is the light earth grey cinnamonic soil of more gravels,
Average relative water content 27.0%, surface soil are averaged the content of organic matter 2.62%, and liquid manure situation is medium；
IV class: dry sub- barren-short filling type of tailo, be mainly distributed on height above sea level 2050-2450 range brae middle and upper part and
Arid central periphery；Dominant plant Sophora viciifolia, narrow leaf Qiang spend；Soil is mostly more light gravel matter grey cinnamonic soils, average relative water content
16.1%, surface soil is averaged the content of organic matter 2.54%, antecedent soil moisture, and liquid manure situation is barren；
V class: barren-half filling type in the damp Asia of Schattenseite is mainly distributed on the brae middle and upper part of height above sea level 1410-2450 range and does
Non-irrigated central periphery；Dominant plant type is gmelin worm wood, sweet river aster；Soil is mostly more boulderet matter grey cinnamonic soils, average relative hydration
Amount 26.3%, surface soil be averaged the content of organic matter 2.21%, and soil relatively moistens, and liquid manure situation is barren；
VI class: dry barren-half filling type of tailo is mainly distributed on the brae middle and upper part of height above sea level 1410-2450 range and does
Non-irrigated central periphery；Dominant plant type is golden flower fleabane, Central Asia aster wood, gmelin worm wood；Soil is mostly more boulderet matter grey cinnamonic soils, is put down
Equal relative water content 17.5%, surface soil are averaged the content of organic matter 1.85%, antecedent soil moisture, and liquid manure situation is barren；
VII class: tailo extremely dries barren-half filling type of mound shape, is mainly distributed in the brae of height above sea level 1410-2450 range
Portion and arid central periphery；Dominant plant type is alpine yarrow shape Asia chrysanthemum, thorn japanese bearbind, Min Gu Mulan；Soil is mostly that more boulderet matter ashes are brown
Soil, average relative water content 8.83%, surface soil are averaged the content of organic matter 1.49%, and soil is extremely dry, and liquid manure situation is barren；
VIII class: seal a mountain pass and educate careless site type: dangerous slope, naked rock, proluvial beach-, which are sealed a mountain pass, educates careless type, is distributed in height above sea level 1400-
The river valley the lowest point of 2300m and piedmont belt are distributed, and are sporadicly distributed in the foot of a mountain location of dry valley；Dominant plant type has
Alpine yarrow shape Asia chrysanthemum, Min Gu Mulan, whorlleaf stonecrop herb.
The selection and processing step of the step 2 nursery stock are as follows: (1) clear woods scheme: along the clear woods in contour interval 2, clear woods
Band 3m, presses the clear woods of block area in clear forest belt；Target indigenous tree arbor, seedling and sapling in reserve band remove planting hole
Interior weeds and miscellaneous filling；(2) drought-enduring, the barren-resistant and suitable tree species respectively on the spot afforested selection of seedling: are selected before afforestation；(3) at nursery stock
Reason: Miao Genfei mud dips method or seedling root Plant hormone treatment method；The seedling root reason of nursery stock is arranged in the progress on the same day of planting trees, stain
At once with 100 plants to 200 plants to be a after dipping in, seedling root is downward, is packed into opaque woven bag or polybag, is transported to reproducing area
Point, is transplanted by one bag of manpower；It is put into shady place when rest, avoids sunlight exposure, it is ensured that seedling root is in wet for a long time
State；(4) site preparation and plant: taking cave-shaped site preparation, and cave bottom wants smooth, and soil wants fine crushing loose, grass roots, stone, chad in cave
It picks except completely, the loam business heart in surface layer is filled out back in cave；Thickness of soil is greater than 40cm in cave；First by soil in cave to bottom before cultivation seedling
Dig out the side for being placed on cave, be then placed in nursery stock, allow the horizontal root system of nursery stock and vertical root system when, gently nursery stock is mentioned upwards with hand
Under several, its root system is allowed to re-expand, after will often be loosened the soil compression, then earth backing with hand, then compress, multiple one layer of surface is loosened the soil, and blinding is thick
Degree 8cm or more at rhizosphere when will more than nursery stock garden, after blinding cave face should not less than level ground 3cm or more, with deep-cutting cave,
Deep plant and thick native coverage method and cave face are lower than the planting method of level ground；(5) it mixed patterns: in the ranks mixes and hands over；Band-like 2-5 is capable not
It is handed over etc. mixed friendship or random mixed friendship；(6) time and method for planting are transplanted: the plant time: generally shortly before rainy season, i.e. mid or late April,
Selection cloudy day or afforestation of small rainy day；Method for planting: wanting fine earth to backfill when plant, compaction in layers, to accomplish seedling just, root relax, it is inner it is tight,
Table pine.
Wherein seedling root fertilizer mud dipping methods in the step (3): it is with water or concentration with the fertile fine earth after sterilization
1% ammonium sulfate and thin yellow soil are tuned into mud, dip nursery stock portion, and mud does dilute formula degree to lose after dipping in upper mud
Primitive root color is advisable, and seedling root can keep root system to be in moisture state for a long time after dipping mud.Wherein mud should not glue excessively, root system
Excessively viscous mud thick shell easy to form has been dipped in, the absorption of root system and being normally carried out for respiratory function are interfered.
Seedling root Plant hormone treatment method in the step (3): nursery stock root, sulphur are impregnated with ammonium sulfate and 2.4-D solution
The use concentration of sour ammonium is between 0.5% to 1%；The concentration of 2.4-D is 100PPM or less.
It is that the description of example has been carried out to the present invention above, it is clear that the implementation of the present invention is not limited by the above manner,
As long as using the various improvement that technical solution of the present invention carries out, or not improved that conception and technical scheme of the invention are direct
Applied to other occasions, all fall in the scope of protection of the present invention.
Claims (5)
1. a kind of Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction, which is characterized in that including step 1: site type classification；Step
Rapid two: plantation selection of seedling and processing；Step 3: the application of the reconstruction technique of vegetation.
2. Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction according to claim 1, which is characterized in that the step 1 is vertical
Ground is divided into 7 site types and one is sealed a mountain pass and educates careless site type, and concrete type is as follows:
I class: Schattenseite moistens fertile-high filling type, is mainly distributed on both ends that dry valley includes tributary and brae top is i.e. original
Below forest, the location Schattenseite height above sea level 1410m-2400m；Advantage vegetation is smoke tree, Ostryopsis davidiana, almond and oak class；Soil be mostly in
Earth grey cinnamonic soil in gravel matter, average relative water content 35.3%, surface soil be averaged the content of organic matter 4.13%, and liquid manure situation is good, afforests
Easily survive；
II class: it is (former to be mainly distributed on dry valley (including tributary) both ends and brae top for fertile-high filling type in the damp Asia of tailo
Below beginning forest) location height above sea level 2100m-2640m；Advantage vegetation is smoke tree, Ostryopsis davidiana, almond and oak class；Soil is mostly middle earth
Grey cinnamonic soil, average relative water content 28.9%, surface soil are averaged the content of organic matter 3.35%, and liquid manure situation is preferable；
Group III: barren-short filling type in the damp Asia of Schattenseite is mainly distributed on dry valley (including tributary) both ends the foot of a mountain and middle section half
Mountain, the location Schattenseite height above sea level 1400m-2075m；Advantage vegetation is mountain ebony, meets the summer；Soil is the light earth grey cinnamonic soil of more gravels, average
Relative water content 27.0%, surface soil are averaged the content of organic matter 2.62%, and liquid manure situation is medium；
IV class: dry sub- barren-short filling type of tailo is mainly distributed on brae middle and upper part and the arid of height above sea level 2050-2450 range
Central periphery；Dominant plant Sophora viciifolia, narrow leaf Qiang spend；The mostly more light gravel matter grey cinnamonic soils of soil, average relative water content 16.1%,
Surface soil is averaged the content of organic matter 2.54%, antecedent soil moisture, and liquid manure situation is barren；
V class: barren-half filling type in the damp Asia of Schattenseite is mainly distributed in brae middle and upper part and the arid of height above sea level 1410-2450 range
Heart periphery；Dominant plant type is gmelin worm wood, sweet river aster；Soil is mostly more boulderet matter grey cinnamonic soils, average relative water content
26.3%, surface soil is averaged the content of organic matter 2.21%, and soil is relatively wet, and liquid manure situation is barren；
VI class: dry barren-half filling type of tailo is mainly distributed in brae middle and upper part and the arid of height above sea level 1410-2450 range
Heart periphery；Dominant plant type is golden flower fleabane, Central Asia aster wood, gmelin worm wood；Soil is mostly more boulderet matter grey cinnamonic soils, average phase
To water content 17.5%, surface soil is averaged the content of organic matter 1.85%, antecedent soil moisture, and liquid manure situation is barren；
VII class: tailo extremely dries barren-half filling type of mound shape, be mainly distributed on height above sea level 1410-2450 range brae middle and upper part and
Arid central periphery；Dominant plant type is alpine yarrow shape Asia chrysanthemum, thorn japanese bearbind, Min Gu Mulan；Soil is mostly more boulderet matter grey cinnamonic soils, is put down
Equal relative water content 8.83%, surface soil are averaged the content of organic matter 1.49%, and soil is extremely dry, and liquid manure situation is barren；
VIII class: seal a mountain pass and educate careless site type: dangerous slope, naked rock, proluvial beach-, which are sealed a mountain pass, educates careless type, is distributed in height above sea level 1400-
The river valley the lowest point of 2300m and piedmont belt are distributed, and are sporadicly distributed in the foot of a mountain location of dry valley；Dominant plant type has
Alpine yarrow shape Asia chrysanthemum, Min Gu Mulan, whorlleaf stonecrop herb.
3. Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction according to claim 1, which is characterized in that the step 2 seedling
The selection and processing step of wood are as follows: (1) clear woods scheme: along the clear woods in contour interval 2, clear forest belt 3m, in the area clear forest belt Zhong An
The clear woods of block area；Target indigenous tree arbor, seedling and sapling in reserve band remove weeds and miscellaneous filling in planting hole；(2) nursery stock
Selection: drought-enduring, the barren-resistant and suitable tree species respectively on the spot afforested are selected before afforestation；(3) seedling treatment: Miao Genfei mud dip method or
Seedling root Plant hormone treatment method；Nursery stock seedling root reason be arranged in plant trees the same day progress, stain dip in after at once with 100 plants to 200
Strain is portion, and seedling root is downward, is packed into opaque woven bag or polybag, is transported to afforestation place, one bag of manpower, is planted
It plants；It is put into shady place when rest, avoids sunlight exposure, it is ensured that seedling root is in moisture state for a long time；(4) site preparation and cultivation
It plants: taking cave-shaped site preparation, cave bottom wants smooth, and soil wants fine crushing loose, and grass roots, stone, chad will be picked except clean, surface layer fertilizer in cave
The soil business heart is filled out back in cave；Thickness of soil is greater than 40cm in cave；Soil in cave to bottom is first dug out to the side for being placed on cave before planting seedling,
Be then placed in nursery stock, allow the horizontal root system of nursery stock and vertical root system when, with hand gently upwards by nursery stock mention it is several under, allow its root system again
Stretching, extension, after will often be loosened the soil compressions, then earth backing with hand, then compress, surface answers one layer and loosens the soil, when blinding thickness will more than nursery stock garden
8cm or more at rhizosphere, cave face should be not less than level ground 3cm or more after blinding, with deep-cutting cave, deep plant and thick native coverage method
And cave face is lower than the planting method of level ground；(5) it mixed patterns: in the ranks mixes and hands over；Capable not etc. the mixed friendship of band-like 2-5 random mixed is handed over
It hands over；(6) time and method for planting are transplanted: the plant time: generally shortly before rainy season, i.e. mid or late April, selecting cloudy day or small rainy day
Afforestation；Method for planting: wanting fine earth to backfill when plant, compaction in layers, to accomplish seedling just, root relax, inner tight, table pine.
4. Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction according to claim 3, which is characterized in that the step (3)
In seedling root fertilizer mud dipping methods: with after sterilization fertile fine earth and water or concentration be 1% ammonium sulfate and thin gold zone
Soil is tuned into mud, dips nursery stock portion, and mud does dilute formula degree to dip in and lose primitive root color after upper mud and be advisable, and seedling root dips mud
Root system can be kept to be in moisture state for a long time after slurry.
5. Arid river valleys in Western Sichuan method of vegetation restoration and reconstruction according to claim 3, which is characterized in that the step (3)
In seedling root Plant hormone treatment method: impregnate nursery stock root with ammonium sulfate and 2.4-D solution, the use concentration of ammonium sulfate is
Between 0.5% to 1%；The concentration of 2.4-D is 100PPM or less.
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| CN110150017A (en) * | 2019-06-25 | 2019-08-23 | 中南林业科技大学 | A kind of purple soil difficulty afforestation hillside fields technology for recovering vegetation |
| CN110972593A (en) * | 2019-10-23 | 2020-04-10 | 中国科学院、水利部成都山地灾害与环境研究所 | Ecological restoration method for vegetation in dry and warm river valley barren slope land in western Sichuan |
| CN115720801A (en) * | 2022-11-09 | 2023-03-03 | 华能澜沧江水电股份有限公司 | Method for recovering grass-shrub-forest artificial vegetation in subalpine soil stock ground |
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| CN115720801A (en) * | 2022-11-09 | 2023-03-03 | 华能澜沧江水电股份有限公司 | Method for recovering grass-shrub-forest artificial vegetation in subalpine soil stock ground |
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