CN109937783A - A kind of method of barren mountainous region afforestation - Google Patents
A kind of method of barren mountainous region afforestation Download PDFInfo
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- CN109937783A CN109937783A CN201910221149.5A CN201910221149A CN109937783A CN 109937783 A CN109937783 A CN 109937783A CN 201910221149 A CN201910221149 A CN 201910221149A CN 109937783 A CN109937783 A CN 109937783A
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Abstract
The invention discloses a kind of methods of barren mountainous region afforestation, are related to afforestation technology field, specifically includes the following steps: Tree Species Selection；Site preparation；Afforestation Time and afforestation technology: being afforested using naked sapling when afforestation, first will put in the culture dish for filling nutrient solution naked sapling into when transplanting naked sapling, then culture dish is placed in vacuum pump, and negative pressure value is arranged, and carries out immersion treatment；Final-period management: after afforestation on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, naked sapling of Raining season wooding is checked in due course, the timely righting of the sapling to warp is led to for rainwater punching press, and fix the cave face destroyed by rush of water in time；It loosens the soil in time and weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.Operation of the present invention is simple, at low cost, and the surrival rate of afforestation greatly improves, economic and environment-friendly.
Description
Technical field:
The present invention relates to afforestation technology field, a kind of method for being specifically related to barren mountainous region afforestation.
Background technique:
China various regions are especially even more serious in northwest remote districts since deserted mountain soil erosion situation be can not ignore, water
Soil flow mistake is not administered effectively, is caused deserted mountain soil layer, or even desertification, fossilization occurs, is caused under a large amount of silts
It lets out, raises riverbed, the siltation library pool, the security of the lives and property generation of the masses is seriously threatened.Since the establishment of the nation, China is to improve ecology
Environment has done many effort, achieves certain effect, but the deterioration of ecological environment is not still resolved, and naturally raw
State environment is still very fragile.And the problem of there is also many urgent need to resolve in improving the ecological environment, such as afforestation.It is waste
Mountain afforestation refer to deserted mountain suitable for afforestation by artificial measures formed or recovery forest, forest, spinney process.
Technical essential for afforestation mainly includes the following aspects: one, selecting fine tree species, transplant on the spot.
It needs to show according to the different land occupation condition in deserted mountain, the biological characteristics of each tree species and its in the growth of different site type, together
When be also contemplated that the factors such as source, labour and the fund of tree species.According to matching species with the site and preferential selection Good Indigenous Tree Species
The selection of principle progress afforestation tree species.Generally, the most drought and barren in deserted mountain, thus selection tree species be also required to it is drought-resistant,
Barren-resistant mountainous region.Two, landform, ingenious afforestation are utilized.Different land preparation modes is taken according to the actual situation, is reduced to the greatest extent and is broken ground
Face, adaptation to local conditions.Generally to hillside top location on hillside, use is cave-shaped, fish-scale pit site preparation, cave-shaped to want for cave-shaped site preparation
It tilts slightly inwards；For fish-scale pit site preparation, outside will have a low bank of earth between fields, semicircular, pitted surface it is outer it is high in it is low, effect two corners in hole top are tiltedly opened
Lead.For location in the middle part of hillside, need using fish-scale pit, level-terrace site preparation.It is whole using narrow kettle terraced fields for underfall
Ground.Three, lifting and cultivation seedling are careful.Lifting requires not hurt root, and the sapling root planted from soil mud should be stained with mud slurry, in when plant cheats
Make the root exhibition of putting, cheats after interior soil is filled in and tread.The feature shallow according to mountainous region coating, water content is low, the afforestation season selection with
Spring, winter and Raining season wooding microballon.Four, anti-arid.The arid during afforestation is usually solved using solid water.
Conveniently, fixed pond can be aloft built when position is low, water is mentioned in pond, then is irrigated from the downward laid pipes in pond.Five, it makes
Woods follow-up management.It is main include weed with a hoe, acupuncture point covering and whole cave of watering, take off soil put a lodged plant upright, the prevention and control of plant diseases, pest control etc..
Patent CN201510034464.9 discloses a kind of side of semiarid zone mountainous region cultivation lacebark pine Evergreen garden plant
Method, specifically: one, plantation measures.Two, afforestation and soil preparation.Three, the density of plantation.Seeding row spacing uses 2m × 2m or 2m × 3m.Four,
Lacebark pine nursery stock specification.Use the nutritive cube nursery stock of 2+2.Five, Afforestation Time.Spring afforestation or Raining season wooding；Spring soil
It thaws to 40 centimetres or more depth, starts to afforest when bleeding, or according to various regions weather conditions, using Raining season wooding.Six, it transplants
Method.Nursery stock, which shifts to an earlier date two days, to be poured primary permeable, and when plant, which will remove nutritive cube or polybag, to be put into hole with soil container seedling, surrounding
Fine earth is filled out, is stood solid with their feet, planting depth is subject at the top of container bag and ground level.Seven, it is managed and protected after lacebark pine plant.Eight, right
Lacebark pine is cooked disease pest rat plague control.Nine, commercial seedling is emerged.It was grown by 8~10 years, sapling height reaches 1.5-2.0 meters, at this time
It can emerge.Although this method is able to achieve plants lacebark pine in deserted mountain, but the survival rate of plant needs further increase.Patent
CN201510616693.1 discloses a kind of semiarid region rocky barren mountain afforestation and soil preparation method, specifically:: trench is dug, along hillside
Contour digging trench surrounded by mountains, surface soil and subsoil are separated；Earth dam is built, uses bottom along the direction that trench extends in the lower edge of trench
Mound is built into earth dam；Surface soil backfill, surface soil is backfilled in trench；Planting hole is set, planting hole is set by spacing in the rows in trench,
The composite soil that addition soil moved in improve the original, subsoil and surface soil mix in planting hole, mixed proportion are soil moved in improve the original: subsoil: surface soil=1: 1:
1.A kind of semiarid region rocky barren mountain afforestation and soil preparation method provided by the invention, digging trench surrounded by mountains, site preparation amplitude are big, hence it is evident that improve
Land occupation condition, effect of catchmenting also highly significant；By adding soil moved in improve the original, planting hole soil nutrient condition is substantially improved, is effectively mentioned
The high surrival rate of afforestation and the increase in standing timber.Although this method can improve the survival rate of afforestation to a certain extent, raising has
Limit.
Summary of the invention:
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of methods of barren mountainous region afforestation, should
Method is combined using Negative pressure and nutrient solution immersion, and easy to operate, at low cost, the surrival rate of afforestation greatly improves.
To achieve the above object, the invention adopts the following technical scheme:
A kind of method of barren mountainous region afforestation, comprising the following steps:
(1) drought-resistant, impoverishment tolerant tree species are selected to carry out afforestation；
(2) afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, in hillside
Portion carries out fish-scale pit site preparation, uses level-terrace site preparation for underfall；
(3) select spring afforestation or Raining season wooding, spring afforestation that can afforest in early April, for Raining season wooding,
Rained after entering rainy season one liang longly, then weather is continuously cloudy when, afforest；When afforestation using naked sapling into
Row afforestation, first will put naked sapling in the culture dish for filling nutrient solution into when transplanting naked sapling, then by culture dish
It is placed in vacuum pump, negative pressure value is set, carry out immersion treatment；
The naked sapling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and uses to naked sapling root
Naked sapling is put into hole by wet cloth package, when transplanting first, unfolds root, and layering is banketed, and treads, and earths up；
(4) after afforesting on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, for the naked of Raining season wooding
Root sapling checks in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；Pine in time
Soil and weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
As a preferred embodiment of the above technical solution, in step (1), the tree species be arbor-vitae, locust tree, Chinese pine, Quercus acutissima, in black pine
It is one or more.
As a preferred embodiment of the above technical solution, when cave-shaped site preparation described in step (2), cave diameter is 30-40cm, and depth is
20-30cm。
As a preferred embodiment of the above technical solution, when fish-scale pit site preparation described in step (2), fish-scale pit major diameter is 40-50cm,
Minor axis is 30-40cm, depth 20-30cm.
As a preferred embodiment of the above technical solution, when level-terrace site preparation described in step (2), contour bench width is 1.3-1.5m,
Depth is 30-40cm.
As a preferred embodiment of the above technical solution, negative pressure value described in step (3) is -90KPa, and the immersion treatment time is 5-
10min。
As a preferred embodiment of the above technical solution, in step (3), the concrete composition of the nutrient solution in parts by weight, including
Following components: 0.02-0.03 parts of heteroauxin, 0.5-1 parts of Sodium Polyacrylate, 0.13-0.25 parts of poly-aspartate, N- trimethyl
0.83-1.05 parts of glycine, 1-3 parts of glucose, 50-80 parts of water.
As a preferred embodiment of the above technical solution, in step (3), when transplanting, the high 3- of stem of naked sapling of the height of ridging
4cm, the depth of planting are higher than original soil trace 2-3cm at naked sapling rhizome.
As a preferred embodiment of the above technical solution, density when afforestation specifically: hillside middle and upper part be 220-260 plants/
667m2, underfall is 120-130 plants/667m2。
The invention has the following advantages:
The present invention selects drought-resistant, impoverishment tolerant tree species to carry out afforestation to barren mountainous region, such tree species can effectively consolidate
Determine soil, it is relatively high in barren mountainous region survival rate relative to other tree species.And in site preparation, the present invention is on hillside
Portion, middle part and lower part select different land preparation modes according to orographic condition respectively, can make full use of soil physicochemical property and
Water regime, to improve the survival rate of sapling, destruction when effectively reducing site preparation to natural vegetation can make when avoiding afforestation
This problem of the soil erosion of Cheng Xin.
The present invention first carries out at immersion naked sapling under condition of negative pressure using nutrient solution when transplanting naked sapling
Reason, nutrient solution can effectively have adjusted the physiological property of sapling, promote sapling to moisture effectively by the root absorption of naked sapling
Absorption, the patience of sapling is improved, so that sapling can preferably grow on barren mountainous region, to improve tree when afforestation
The survival rate of seedling.For nutrient solution, Sodium Polyacrylate can effectively facilitate absorption and utilization of the sapling root for water；Poly- asparagus fern ammonia
Acid can effectively be enriched with all kinds of growth elements in sapling growth course and give sapling root, thus promote the fast-growth of sapling,
And then improve the survival rate of sapling；Betaine, by sapling root absorption, is in arid in sapling under condition of negative pressure
When barren mountainous region, the activity of enzyme in effective protection sapling root, so that normal growth of the sapling in mountainous region is improved, so that sapling
Survival rate in mountainous region is guaranteed.The present invention effectively adjusts the composition of nutrient solution, effectively by tree seedling root under the promotion of negative pressure
Portion absorbs, and has effectively facilitated sapling in the fast-growth in mountainous region.
Specific embodiment:
In order to better understand the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be constituted to the present invention.
By taking cypress as an example, afforestation method provided by the invention is illustrated.
Embodiment 1
Afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, cave diameter is 30-
40cm, depth 20-30cm, for carrying out fish-scale pit site preparation in the middle part of hillside, fish-scale pit major diameter is 40-50cm, minor axis 30-
40cm, depth 20-30cm；Level-terrace site preparation is used for underfall；Contour bench width is 1.3-1.5m, depth 30-40cm；
Selection spring afforestation or Raining season wooding, spring afforestation can afforest in early April, for Raining season wooding,
One liang was rained after into rainy season longly, when then weather is continuously cloudy, afforest；When afforestation using naked cypress seedling into
Row afforestation, first will put naked cypress seedling in the culture dish for filling nutrient solution into when transplanting naked cypress seedling, then will training
Feeding ware is placed in vacuum pump, and setting negative pressure value is -90KPa, carries out immersion treatment 5min；The concrete composition of the nutrient solution is with weight
Measure part meter, including following components: 0.02 part of heteroauxin, 0.5 part of Sodium Polyacrylate, 0.13 part of poly-aspartate, N- trimethyl
0.83 part of glycine, 1 part of glucose, 50 parts of water；
The naked cypress seedling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and to naked cypress seedling root
It being wrapped up using wet cloth, naked cypress seedling is put into hole by when transplanting first, unfolds root, and layering is banketed, and is treaded, it earths up,
The high 3-4cm of stem of naked cypress seedling of the height of ridging, the depth of planting are higher than original soil trace 2-3cm at naked cypress seedling rhizome；
After afforestation on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, for naked cypress of Raining season wooding
Sapling checks in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；It loosens the soil in time
With weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
Embodiment 2
Afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, cave diameter is 30-
40cm, depth 20-30cm, for carrying out fish-scale pit site preparation in the middle part of hillside, fish-scale pit major diameter is 40-50cm, minor axis 30-
40cm, depth 20-30cm；Level-terrace site preparation is used for underfall；Contour bench width is 1.3-1.5m, depth 30-40cm；
Selection spring afforestation or Raining season wooding, spring afforestation can afforest in early April, for Raining season wooding,
One liang was rained after into rainy season longly, when then weather is continuously cloudy, afforest；When afforestation using naked cypress seedling into
Row afforestation, first will put naked cypress seedling in the culture dish for filling nutrient solution into when transplanting naked cypress seedling, then will training
Feeding ware is placed in vacuum pump, and setting negative pressure value is -90KPa, carries out immersion treatment 6min；The concrete composition of the nutrient solution is with weight
Measure part meter, including following components: 0.022 part of heteroauxin, 0.6 part of Sodium Polyacrylate, 0.15 part of poly-aspartate, N- trimethyl
0.92 part of glycine, 1.4 parts of glucose, 55 parts of water；
The naked cypress seedling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and to naked cypress seedling root
It being wrapped up using wet cloth, naked cypress seedling is put into hole by when transplanting first, unfolds root, and layering is banketed, and is treaded, it earths up,
The high 3-4cm of stem of naked cypress seedling of the height of ridging, the depth of planting are higher than original soil trace 2-3cm at naked cypress seedling rhizome；
After afforestation on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, for naked cypress of Raining season wooding
Sapling checks in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；It loosens the soil in time
With weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
Embodiment 3
Afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, cave diameter is 30-
40cm, depth 20-30cm, for carrying out fish-scale pit site preparation in the middle part of hillside, fish-scale pit major diameter is 40-50cm, minor axis 30-
40cm, depth 20-30cm；Level-terrace site preparation is used for underfall；Contour bench width is 1.3-1.5m, depth 30-40cm；
Selection spring afforestation or Raining season wooding, spring afforestation can afforest in early April, for Raining season wooding,
One liang was rained after into rainy season longly, when then weather is continuously cloudy, afforest；When afforestation using naked cypress seedling into
Row afforestation, first will put naked cypress seedling in the culture dish for filling nutrient solution into when transplanting naked cypress seedling, then will training
Feeding ware is placed in vacuum pump, and setting negative pressure value is -90KPa, carries out immersion treatment 7min；The concrete composition of the nutrient solution is with weight
Measure part meter, including following components: 0.024 part of heteroauxin, 0.7 part of Sodium Polyacrylate, 0.18 part of poly-aspartate, N- trimethyl
0.96 part of glycine, 1.8 parts of glucose, 60 parts of water；
The naked cypress seedling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and to naked cypress seedling root
It being wrapped up using wet cloth, naked cypress seedling is put into hole by when transplanting first, unfolds root, and layering is banketed, and is treaded, it earths up,
The high 3-4cm of stem of naked cypress seedling of the height of ridging, the depth of planting are higher than original soil trace 2-3cm at naked cypress seedling rhizome；
After afforestation on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, for naked cypress of Raining season wooding
Sapling checks in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；It loosens the soil in time
With weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
Embodiment 4
Afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, cave diameter is 30-
40cm, depth 20-30cm, for carrying out fish-scale pit site preparation in the middle part of hillside, fish-scale pit major diameter is 40-50cm, minor axis 30-
40cm, depth 20-30cm；Level-terrace site preparation is used for underfall；Contour bench width is 1.3-1.5m, depth 30-40cm；
Selection spring afforestation or Raining season wooding, spring afforestation can afforest in early April, for Raining season wooding,
One liang was rained after into rainy season longly, when then weather is continuously cloudy, afforest；When afforestation using naked cypress seedling into
Row afforestation, first will put naked cypress seedling in the culture dish for filling nutrient solution into when transplanting naked cypress seedling, then will training
Feeding ware is placed in vacuum pump, and setting negative pressure value is -90KPa, carries out immersion treatment 8min；The concrete composition of the nutrient solution is with weight
Measure part meter, including following components: 0.026 part of heteroauxin, 0.8 part of Sodium Polyacrylate, 0.21 part of poly-aspartate, N- trimethyl
1 part of glycine, 2.2 parts of glucose, 70 parts of water；
The naked cypress seedling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and to naked cypress seedling root
It being wrapped up using wet cloth, naked cypress seedling is put into hole by when transplanting first, unfolds root, and layering is banketed, and is treaded, it earths up,
The high 3-4cm of stem of naked cypress seedling of the height of ridging, the depth of planting are higher than original soil trace 2-3cm at naked cypress seedling rhizome；
After afforestation on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, for naked cypress of Raining season wooding
Sapling checks in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；It loosens the soil in time
With weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
Embodiment 5
Afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, cave diameter is 30-
40cm, depth 20-30cm, for carrying out fish-scale pit site preparation in the middle part of hillside, fish-scale pit major diameter is 40-50cm, minor axis 30-
40cm, depth 20-30cm；Level-terrace site preparation is used for underfall；Contour bench width is 1.3-1.5m, depth 30-40cm；
Selection spring afforestation or Raining season wooding, spring afforestation can afforest in early April, for Raining season wooding,
One liang was rained after into rainy season longly, when then weather is continuously cloudy, afforest；When afforestation using naked cypress seedling into
Row afforestation, first will put naked cypress seedling in the culture dish for filling nutrient solution into when transplanting naked cypress seedling, then will training
Feeding ware is placed in vacuum pump, and setting negative pressure value is -90KPa, carries out immersion treatment 9min；The concrete composition of the nutrient solution is with weight
Measure part meter, including following components: 0.028 part of heteroauxin, 0.9 part of Sodium Polyacrylate, 0.23 part of poly-aspartate, N- trimethyl
1.02 parts of glycine, 2.8 parts of glucose, 75 parts of water；
The naked cypress seedling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and to naked cypress seedling root
It being wrapped up using wet cloth, naked cypress seedling is put into hole by when transplanting first, unfolds root, and layering is banketed, and is treaded, it earths up,
The high 3-4cm of stem of naked cypress seedling of the height of ridging, the depth of planting are higher than original soil trace 2-3cm at naked cypress seedling rhizome；
After afforestation on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, for naked cypress of Raining season wooding
Sapling checks in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；It loosens the soil in time
With weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
Embodiment 6
Afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, cave diameter is 30-
40cm, depth 20-30cm, for carrying out fish-scale pit site preparation in the middle part of hillside, fish-scale pit major diameter is 40-50cm, minor axis 30-
40cm, depth 20-30cm；Level-terrace site preparation is used for underfall；Contour bench width is 1.3-1.5m, depth 30-40cm；
Selection spring afforestation or Raining season wooding, spring afforestation can afforest in early April, for Raining season wooding,
One liang was rained after into rainy season longly, when then weather is continuously cloudy, afforest；When afforestation using naked cypress seedling into
Row afforestation, first will put naked cypress seedling in the culture dish for filling nutrient solution into when transplanting naked cypress seedling, then will training
Feeding ware is placed in vacuum pump, and setting negative pressure value is -90KPa, carries out immersion treatment 5-10min；The concrete composition of the nutrient solution
In parts by weight, including following components: 0.03 part of heteroauxin, 1 part of Sodium Polyacrylate, 0.25 part of poly-aspartate, N- front three
1.05 parts of base glycine, 3 parts of glucose, 50-80 parts of water；
The naked cypress seedling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and to naked cypress seedling root
It being wrapped up using wet cloth, naked cypress seedling is put into hole by when transplanting first, unfolds root, and layering is banketed, and is treaded, it earths up,
The high 3-4cm of stem of naked cypress seedling of the height of ridging, the depth of planting are higher than original soil trace 2-3cm at naked cypress seedling rhizome；
After afforestation on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, for naked cypress of Raining season wooding
Sapling checks in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；It loosens the soil in time
With weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
Comparative example
Afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, cave diameter is 30-
40cm, depth 20-30cm, for carrying out fish-scale pit site preparation in the middle part of hillside, fish-scale pit major diameter is 40-50cm, minor axis 30-
40cm, depth 20-30cm；Level-terrace site preparation is used for underfall；Contour bench width is 1.3-1.5m, depth 30-40cm；
Selection spring afforestation or Raining season wooding, spring afforestation can afforest in early April, for Raining season wooding,
One liang was rained after into rainy season longly, when then weather is continuously cloudy, afforest；When afforestation using naked cypress seedling into
Row afforestation, first will put naked cypress seedling in the culture dish for filling water into when transplanting naked cypress seedling, then by culture dish
It is placed in vacuum pump, setting negative pressure value is -90KPa, carries out immersion treatment 5-10min；
The naked cypress seedling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and to naked cypress seedling root
It being wrapped up using wet cloth, naked cypress seedling is put into hole by when transplanting first, unfolds root, and layering is banketed, and is treaded, it earths up,
The high 3-4cm of stem of naked cypress seedling of the height of ridging, the depth of planting are higher than original soil trace 2-3cm at naked cypress seedling rhizome；
After afforestation on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, for naked cypress of Raining season wooding
Sapling checks in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；It loosens the soil in time
With weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
500 plants are selected as research object to naked cypress seedling of above-mentioned transplanting, after transplanting 2 months to its survival rate into
Line trace investigation.The results are shown in Table 1.
Table 1
| Handle number/strain | Death toll/strain | Survive number/strain | Survival rate/% | |
| Embodiment 1 | 500 | 10 | 490 | 98 |
| Embodiment 2 | 500 | 13 | 477 | 97.4 |
| Embodiment 3 | 500 | 16 | 484 | 96.8 |
| Embodiment 4 | 500 | 20 | 480 | 96.0 |
| Embodiment 5 | 500 | 15 | 485 | 97.0 |
| Embodiment 6 | 500 | 8 | 492 | 98.4 |
| Comparative example | 500 | 77 | 423 | 84.6 |
The influence to Negative pressure time and negative pressure value size to the survival rate of naked cypress seedling carries out separately below
Research.
1, influence of the negative pressure time to the survival rate of naked cypress seedling
The negative pressure time is 3min, 6min, 10min, other method of forestation and embodiment 6 are identical.Test result such as 2 institute of table
Show:
Table 2
| The negative pressure time/min | Handle number/strain | Death toll/strain | Survive number/strain | Survival rate/% |
| 3 | 500 | 33 | 467 | 93.4 |
| 6 | 500 | 17 | 483 | 96.6 |
| 10 | 500 | 8 | 492 | 98.4 |
2, influence of the negative pressure value to naked cypress shoot survival percent
Negative pressure value is set as 0, -50KPa, -90KPa, -150KPa, other method of forestation and embodiment 6 are identical, test knot
Fruit is as shown in table 3:
Table 3
| Negative pressure value/KPa | Handle number/strain | Death toll/strain | Survive number/strain | Survival rate/% |
| 0 | 500 | 45 | 455 | 91 |
| -50 | 500 | 22 | 478 | 95.6 |
| -90 | 500 | 8 | 492 | 98.4 |
| -150 | 500 | 56 | 444 | 88.8 |
From table 1, table 2, table 3 result of study from the point of view of, Negative pressure and nutrient solution immersion treatment can effectively improve deserted mountain
The survival rate of cypress seedling when afforestation, and the selection of the size of negative pressure value and negative pressure time have certain shadow for the growth of cypress seedling
It rings, when negative pressure value is too small, the root system of naked cypress seedling cannot effectively absorb medical fluid；But it can be to naked cypress when negative pressure value is excessive
The root system tissue of sapling causes certain harm, to influence the normal growth of sapling.If negative pressure overlong time also can be to sapling
Cause a degree of destruction in root.And using water as control group, using nutrient solution produced by the present invention treated naked cypress
Sapling has higher survival rate.
Although specific embodiments of the present invention are described, many other forms of the invention and change
Change will be apparent to those skilled in the art.It should be understood that appended claims and the present invention usually cover the present invention very
All these apparent forms and change in real spirit and scope.
Claims (9)
1. a kind of method of barren mountainous region afforestation, which comprises the following steps:
(1) drought-resistant, impoverishment tolerant tree species are selected to carry out afforestation；
(2) afforestation is carried out using the method for partial soil preparation, cave-shaped site preparation is used for hillside top, in the middle part of hillside into
Row fish-scale pit site preparation uses level-terrace site preparation for underfall；
(3) select spring afforestation or Raining season wooding, spring afforestation that can afforest in early April, for Raining season wooding, into
Enter to rain after rainy season one liang longly, when then weather is continuously cloudy, afforest；It is made when afforestation using naked sapling
Naked sapling will be put into the culture dish for filling nutrient solution first when transplanting naked sapling, be then placed in culture dish by woods
In vacuum pump, negative pressure value is set, carries out immersion treatment；
The naked sapling handled well is transplanted to deserted mountain, when transplanting accomplishes with rising with fortune, and uses wet cloth to naked sapling root
Naked sapling is put into hole by package, when transplanting first, unfolds root, and layering is banketed, and treads, and earths up；
(4) after afforesting on the cover of cave withered branch, and a water is poured in 3-4 days after transplanting, naked of Raining season wooding is set
Seedling is checked in due course, leads to the timely righting of the sapling to warp for rainwater punching press, and fix the cave face destroyed by rush of water in time；In time loosen the soil and
Weeding, fertilising and the prevention and control of plant diseases, pest control, prevention and treatment animal injury.
2. a kind of method of barren mountainous region afforestation according to claim 1, which is characterized in that described in step (1)
Tree species are one of arbor-vitae, locust tree, Chinese pine, Quercus acutissima, black pine or a variety of.
3. a kind of method of barren mountainous region afforestation according to claim 1, which is characterized in that described in step (2)
When cave-shaped site preparation, cave diameter is 30-40cm, depth 20-30cm.
4. a kind of method of barren mountainous region afforestation according to claim 1, which is characterized in that described in step (2)
When the site preparation of fish-scale pit, fish-scale pit major diameter is 40-50cm, minor axis 30-40cm, depth 20-30cm.
5. a kind of method of barren mountainous region afforestation according to claim 1, which is characterized in that described in step (2)
When level-terrace site preparation, contour bench width is 1.3-1.5m, depth 30-40cm.
6. a kind of method of barren mountainous region afforestation according to claim 1, which is characterized in that described in step (3)
Negative pressure value is -90KPa, and the immersion treatment time is 5-10min.
7. a kind of method of barren mountainous region afforestation according to claim 1, which is characterized in that described in step (3)
The concrete composition of nutrient solution in parts by weight, including following components: 0.02-0.03 parts of heteroauxin, Sodium Polyacrylate 0.5-1
Part, 0.13-0.25 parts of poly-aspartate, 0.83-1.05 parts of Betaine, 1-3 parts of glucose, 50-80 parts of water.
8. a kind of method of barren mountainous region afforestation according to claim 1, which is characterized in that in step (3), transplanting
When, the high 3-4cm of stem of naked sapling of the height of ridging, the depth of planting is higher than original soil trace 2-3cm at naked sapling rhizome.
9. a kind of method of barren mountainous region afforestation according to claim 1, which is characterized in that density tool when afforestation
Body are as follows: hillside middle and upper part is 220-260 plants/667m2, underfall is 120-130 plants/667m2。
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