CN109463212A - A kind of white careless seedling in plateau reservoir basin covers careless method for transplanting - Google Patents
A kind of white careless seedling in plateau reservoir basin covers careless method for transplanting Download PDFInfo
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- CN109463212A CN109463212A CN201811397774.7A CN201811397774A CN109463212A CN 109463212 A CN109463212 A CN 109463212A CN 201811397774 A CN201811397774 A CN 201811397774A CN 109463212 A CN109463212 A CN 109463212A
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- mat
- grass
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- straw screen
- transplanting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
Abstract
The invention belongs to planting technical field, the white careless seedling in specially a kind of plateau reservoir basin covers the method that grass is transplanted.Specifically include two parts of straw screen or mat covering and white careless transplantation of seedlings.The present invention reduces moisture loss using straw screen or mat covering in earth's surface, improves soil moisture content, also utilizes the transplanting for covering the soil improved after grass and realizing white careless seedling while reservoir basin soil environment on restoration of the ecosystem plateau.
Description
Technical field
The invention belongs to the vegetation ecological reparation of plateau reservoir basin and plant transplantation technical field, specially a kind of high raw water
The method that the white careless seedling in reservoir area covers grass transplanting.
Background technique
Tibet Plateau belongs to ecologically fragile area.Plateau reservoir, inevitably can be to reservoir area surface soil in construction process
Disturbance is generated, is destroyed so as to cause surface vegetation, surface soil physicochemical property deteriorates, and soil water-retaining water supply capacity is very poor, unfavorable
With plant growth, cause the plant growing way of current growth extremely weak, root system is shallower, in the feelings of winter-spring season surface soil Extreme drought
Under condition, plant is difficult to absorb deep carbonate rocks since root system is shallower, causes plant to be difficult to overwintering.
Soil moisture content is to influence one of the key factor of vegetation growth, by Tibet Plateau winter-spring season arid
The influence of factor, the shortage of soil moisture are easy to happen plant body moisture pump, and next year plant is caused to turn green difficulty.Therefore, it is
Seasonal drought is coped with, adaptation to local conditions is needed to take reasonable measure.On the one hand in water-keeping material using upper, for avoiding chemical material
Material covering generates the factor consideration of pollution, the common vegetation such as previous common covering with ground sheeting, sunshade net covering to altitude environment
Water conservation mode can not the considerations of highlands uses, need using the low in cost, Water-saving effect of one kind it is good by the way of, to prevent
Or reduce the moisture loss of highlands surface soil；On the other hand the use in conjunction with covering material is needed, using nursery in advance
Tree transplanted technology, enable current year transplant plant plant root reach deeper soil layer, so that it is tight to spend highlands
Cruel winter.Herbage transplantation technique was once used for the phytoremediation of salinization of soil degraded land, which has evaded environment to saline-alkali tolerant
The condition of serious stress of soil of the weaker seedling stage sheep's hay of ability is transplanted using the stronger herbage seedlings of salt tolerant alkali ability, and is made full use of
The rhizome tillering ability of plant realizes that seedling strain is expanded rapidly numerous, to substantially increase degeneration salt-soda soil effect of plant restoration, is passed through
Production verifying for many years, it has proved that herbage transplanting is severe Sodium Bicarbonate Soil Management one effective plant recovery measure.
It is white grass belong to grass family Pennisetum, be perennial herb, on the degraded land of Tibet plateau River Valley Region distribution compared with
It is extensive.White grass growth potential is extremely strong, and the vegetative propagation for relying on rhizome extension is one of the main modes of reproduction of white grass, and rhizome expands
It is fast to open up speed, can quickly breed the group to form self-renewing, is the ideal grass seeds for being appropriate for transplanting operation.
Summary of the invention
The present invention relates to a kind of white careless seedlings in plateau reservoir basin to cover careless method for transplanting, specifically includes straw screen or mat covering and white careless seedling moves
Plant two parts.
Straw screen or mat is covered, in the reservoir basin of plateau, selects local herbage, can specifically include Festuca Arundinacea, rye grass,
Red fescue, clover, Qiu Yingzhong any one or the combination of several of them, herbage is processed into grass using straw screen or mat establishment machine equipment
Curtain, specification are every straw screen or mat length 10m, 1.0 ~ 1.5m of width, straw screen or mat with a thickness of 1.0 ~ 1.2cm.Straw screen or mat is carried out in spring to cover
Lid, to avoid blowing afloat straw screen or mat by strong wind, should be laid in plateau reservoir basin earth's surface along reigning wind.Such as ground gravel mistake
It is more, cleaning can be used, rake the modes such as hugs and clears up earth's surface, increases the contact area of straw screen or mat and soil surface, prevent straw screen or mat from emptying paving
If.According to required area coverage, corresponding straw screen or mat quantity is selected, is covered, also needed after straw screen or mat covering to multiple grass
Curtain carries out splicing, so that the straw screen or mat in entire area coverage forms one whole straw screen or mat.On one side of every straw screen or mat,
Multiple cloth ropes or the rope made of hemp can be uniformly provided with when every straw screen or mat is spliced, the rope end of straw screen or mat is beaten to buckle connect.
After straw screen or mat splices well, usually also need to carry out firming to straw screen or mat to fix, to avoid straw screen or mat movement or deformation.Firming can be used just
Close soil dissipates a certain amount of soil every a certain distance paving and carries out firming according to the area coverage of straw screen or mat.
The white careless seedling and Different Transplanting Periods being of moderate size be white careless seedling growth whether good principal element, white grass seedling crosses your pupil
Long effect is limited, and white grass seedling, which crosses the excessive nutrient of conference consumption, causes slow seedling difficult.The white careless seedling of 6 ~ 9 blades is relatively suitble to move
It plants, white careless seedling single plant is transplanted to the straw screen or mat covered, Transplanting Density is 2.0 ten thousand plants/hm2；Due to the sprouting pair of root of Pennisetum centrasiaticum Tzvel stem
Thickness of earth covering is more sensitive, therefore when transplanting, needs to carry out earthing processing to every plant of white careless seedling, guarantees the thickness of earth covering of white careless seedling
No more than white careless plant basal part of stem 2cm, cause plant dead by soil covering is blocked up to prevent plant lobus cardiacus.
It is usually chosen in that reservoir basin precipitation in plateau increases, rainy season just comes here temporarily the time of transplanting, if transplanting is too early, spring drought
It is easy to cause plant dead, if transplanting is too late, causes plant root growth amount limited, it is overwintering to influence plant.Therefore, transplanting choosing
It selects to just come here in the rainy season that precipitation starts to increase and faces period.
It should be every plant 0.25 ~ 0.40 liter of hole irrigation water when the white careless transplantation of seedlings of 6 ~ 9 blades.
The technology of the present invention effect:
The common herbage in plateau is formed certain thickness straw screen or mat, while dialogue by simple processing in plateau reservoir basin by the present invention
Careless seedling carries out covering careless region transplanting, while plateau reservoir basin carries out white careless transplantation of seedlings, had both played withered grass water conservation, has increased soil
The effect of earth organic matter, in turn avoid the drawbacks of withered grass is scraped by wind.Both it had solved plateau reservoir basin soil moisture to be lost seriously
The problem of, while again can be using sward earth is covered successfully by the white careless transplantation of seedlings of plateau River Valley Region to plateau reservoir basin, this is right
The ecological recovery of reservoir basin vegetation is of great significance with reconstruction.
Specific embodiment
Borrow areas of 5 the end of month in 2017 in Fromlingzhi, tibet city Duo Bu Hydropower Plant Reservoir area is tested, in Fromlingzhi, tibet
Area, annual rainfall in May start to obviously increase, and usually initially enter rainy season from May.
Selecting two pieces of adjacent and identical regions of area in above-mentioned borrow areas, the area in every piece of region is 0.1ha, one piece
Borrow areas carries out covering the white careless transplantation of seedlings of grass, and referred to as sample area 1, another piece of borrow areas only carries out white transplantation of seedlings without covering grass, referred to as
Sample area 2.
In sample area 1, using Festuca Arundinacea and lyme grass mixing as the raw material of straw screen or mat, Semiautomatic straw screen weaving machine preparation is selected
Straw screen or mat, the width 1.2m of every straw screen or mat, length 10m, thickness 1.2cm mutually hang down in sample area 1 along with river according to 1ha area
Straight direction is laid with straw screen or mat to effectively avoid being blown up, while having spliced straw screen or mat head and the tail both ends, then in every straw screen or mat
Periphery and middle part paving dissipate a certain amount of firming or gravel, straw screen or mat can be prevented to be blown away.
In sample area 1 and 2, the white careless seedling of 6 ~ 9 leaves is selected to be transplanted, Transplanting Density is 2.0 ten thousand plants/hm2, white to every plant
Careless seedling carries out earthing processing, guarantees that the thickness of earth covering of white careless seedling is no more than white careless plant basal part of stem 2cm, is covering grass in sample area 1
On open mouth small as far as possible, diameter is about that 3-5cm is transplanted.Then it sprinkles profoundly water, every plant 0.3 liter of hole irrigation water, hereafter i.e. no longer
Carry out any management.
In mid-August, 2018 is sampled measurement, in sampling area 1 and 2, randomly chooses the sample prescription plant of 1.2m × 1.2m
The upperground part biomass and plant spacing are measured, then the soil in sample prescription is sampled every 10cm earth boring auger until 30cm, sampling side
Method is five point sampling, is repeated three times, measures soil moisture content with oven drying method.The data of table 1 are obtained for sample area 1 and 2.
1 straw screen or mat of table covers the influence to soil water regime
It can be seen that in the thickness of soil of entire 0-30cm from the data in table 1, the 1 non-area Fu Caoyang 2 of ratio, the area Fu Caoyang
Water content is all significantly improved, and in the depth of 10-20cm, it is the most obvious to improve soil moisture content.
In sample area 1 and 2, the weight of grass seedling strain number white to every square meter and average single plant is measured, while to two samples
Coverage in area is measured using needle point method, obtains the data of table 2.
The influence of 2 straw screen or mat of table covering dialogue grass seedling vegetation state
| Sample area | Density (strain/m2) | Average single plant weight (g) | Coverage (%) |
| 1 | 1847 | 0.037 | 56.35 |
| 2 | 525 | 0.023 | 13.63 |
It can be seen that in the area Fu Caoyang 1 from the data in table 2, survive and the white careless seedling strain density grown is 1847 plants/m2,
Greater than white careless (1847 plants/m of density of the seedling strain in the area Wei Fucaoyang 22)；For average single plant weight, the area Fu Caoyang 1 is average single
Plant weight amount is 0.037 g, greater than the average single plant weight (0.023 g) for the area Fu Caoyang 2；For coverage, the area Fu Caoyang 1
Cover degree be 56.35%, greater than the cover degree (13.63%) in the area Wei Fucaoyang, this shows to effectively increase white careless seedling after covering grass
Effective survival rate, its growth and development degree are also significantly improved.
Claims (7)
1. the method that a kind of white careless seedling in plateau reservoir basin covers grass transplanting, including two steps of straw screen or mat covering and white careless transplantation of seedlings:
1) straw screen or mat covers
In the reservoir basin of plateau, the herbage of highlands is selected, herbage is processed into straw screen or mat using straw screen or mat establishment machine equipment, will be covered
After careless region is cleaned out, straw screen or mat is covered in careless region, then carries out firming processing；
2) white careless transplantation of seedlings
White careless seedling single plant is transplanted to straw screen or mat, Transplanting Density is 2.0 ten thousand plants/hm2, when transplanting, thickness of earth-fill cover must not exceed white grass
Plant basal part of stem 2cm.
2. the method that a kind of white careless seedling in plateau reservoir basin as described in claim 1 covers grass transplanting, it is characterised in that: the grass
The herbage of curtain is any one or a few group of the graminous pastures such as Festuca Arundinacea, rye grass, red fescue, lyme grass, white grass, reed
It closes.
3. the method that a kind of white careless seedling in plateau reservoir basin as described in claim 1 covers grass transplanting, it is characterised in that: the grass
Curtain is to be laid with straw screen or mat along with the perpendicular direction in former river.
4. the method that a kind of white careless seedling in plateau reservoir basin as described in claim 1 covers grass transplanting, it is characterised in that: described is white
Careless seedling plant is the white careless seedling with 6 ~ 9 blades.
5. the method that a kind of white careless seedling in plateau reservoir basin as described in claim 1 covers grass transplanting, it is characterised in that: the straw screen or mat
Braider weave straw screen or mat size be length 10m, 1.0 ~ 1.5m of width, straw screen or mat with a thickness of 1.0 ~ 1.2cm.
6. the method that a kind of white careless seedling in plateau reservoir basin as described in claim 1 covers grass transplanting, it is characterised in that: in Gao Yuanshui
Reservoir area precipitation, which increases, rainy season just comes here temporarily successively carries out covering grass and white careless transplantation of seedlings.
7. the method that a kind of white careless seedling in plateau reservoir basin as claimed in claim 3 covers grass transplanting, it is characterised in that: in the volume
The periphery of the straw screen or mat woven can be uniformly provided with multiple cloth ropes or the rope made of hemp, when grass is covered in every whole splicing of straw screen or mat progress,
The rope end of straw screen or mat is beaten to buckle and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397774.7A CN109463212B (en) | 2018-11-22 | 2018-11-22 | Grass mulching and transplanting method for white grass seedlings in plateau reservoir area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397774.7A CN109463212B (en) | 2018-11-22 | 2018-11-22 | Grass mulching and transplanting method for white grass seedlings in plateau reservoir area |
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| Publication Number | Publication Date |
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| CN109463212A true CN109463212A (en) | 2019-03-15 |
| CN109463212B CN109463212B (en) | 2021-06-11 |
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| CN201811397774.7A Active CN109463212B (en) | 2018-11-22 | 2018-11-22 | Grass mulching and transplanting method for white grass seedlings in plateau reservoir area |
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| CN106930231A (en) * | 2017-02-21 | 2017-07-07 | 浙江水利水电学院 | A kind of construction method of the engineering flood bank reinforcing that is applied to pass the flood period |
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2018
- 2018-11-22 CN CN201811397774.7A patent/CN109463212B/en active Active
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|---|---|---|---|---|
| CN1657709A (en) * | 2004-02-21 | 2005-08-24 | 王长瑞 | Mechanized desert harnessing |
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