CN108782046A - Method for building artificial grassland in dry and warm valley slag field in alpine region - Google Patents
Method for building artificial grassland in dry and warm valley slag field in alpine region Download PDFInfo
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- CN108782046A CN108782046A CN201810556746.9A CN201810556746A CN108782046A CN 108782046 A CN108782046 A CN 108782046A CN 201810556746 A CN201810556746 A CN 201810556746A CN 108782046 A CN108782046 A CN 108782046A
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- cold regions
- cinder field
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002893 slag Substances 0.000 title abstract description 7
- 239000002689 soil Substances 0.000 claims abstract description 72
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 210000003608 fece Anatomy 0.000 claims abstract description 4
- 239000003818 cinder Substances 0.000 claims description 32
- 241000219793 Trifolium Species 0.000 claims description 21
- 230000012010 growth Effects 0.000 claims description 12
- 241000283690 Bos taurus Species 0.000 claims description 8
- 230000002262 irrigation Effects 0.000 claims description 8
- 238000003973 irrigation Methods 0.000 claims description 8
- 238000010899 nucleation Methods 0.000 claims description 8
- 206010053759 Growth retardation Diseases 0.000 claims description 6
- 231100000001 growth retardation Toxicity 0.000 claims description 6
- 230000006872 improvement Effects 0.000 claims description 6
- 241001494479 Pecora Species 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 244000309464 bull Species 0.000 claims description 3
- 239000010871 livestock manure Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000008635 plant growth Effects 0.000 abstract description 2
- 241000219823 Medicago Species 0.000 abstract 1
- 235000017587 Medicago sativa ssp. sativa Nutrition 0.000 abstract 1
- 238000009331 sowing Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 244000025254 Cannabis sativa Species 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000209763 Avena sativa Species 0.000 description 1
- 241000511977 Elymus sibiricus Species 0.000 description 1
- 240000000389 Leymus arenarius Species 0.000 description 1
- 235000015892 Leymus arenarius Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000021374 legumes Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
-
- 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
- A01G22/20—Cereals
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a method for building artificial grassland in a dry and warm valley slag field in a high and cold area, which comprises the following specific steps: leveling a slag field, selecting a film for paving, then covering with foreign soil, and adding cow dung to improve the soil after covering with the foreign soil; ditching the treated dreg site, sowing alfalfa and oat seeds in a ditch in a mixed manner, and then covering soil, leveling land and irrigating the ditch; simultaneously monitoring soil moisture, temperature and plant growth conditions. According to the invention, the vegetation recovery efficiency is improved by researching and developing the artificial grassland technology in the slag yard. By adopting the technical scheme, the covering thickness of the foreign soil in the slag yard can be reduced by 10-20 cm, the foreign soil amount is reduced by 1500-1998 cubic meters/hectare, and the development cost of hydropower station construction in high and cold regions is reduced by 8-10 ten thousand yuan/hectare; the yield of local pasture is increased by 1500-1998 kg/mu, and the income of farmers and herdsmen is increased by 800-1000 yuan/mu.
Description
Technical field
The invention belongs to ecological restoration technical fields, are specifically related to a kind of High-cold regions dry-warm valley cinder field construction Artificial grass
The method on ground.
Background technology
Cinder field region, which is mainly accumulated by waste, to be formed, and revegetation difficulty is big, needs soil moved in improve the original of covering on waste heap, is ensured
Plant survival.The prior art is fetched earth closing on other regions, carries out covering with new soil to cinder field, investment is larger, and effect is difficult to
Ensure, and be easy to cause the ecological disruption of bigger.
If U.S. power station is located at Tibet plateau Lancang River dry-warm valley area, engineering water retaining structure uses gravelly soil core-wall
Rock-fill dams, maximum height of dam reach 315m, need earth material larger, fetch earth after a topsoil stripping and cinder field slag, matrix condition is disliked
Bad, earth's surface is in bare area state, restores difficult;And the region environment is fragile, sufficient soil moved in improve the original does not carry out covering for Dumping Sites
Soil, and cannot fetch earth in local other regions.To solve the eco-environment technology problem that this engineering constraint starts, restore
Project Areas ecological environment solves the problems, such as that regional vegetation recovery difficulty is big, plant survival rate is low, how to filter out suitable slag
Place thickness of earth covering and suitable grass seeds, reduction are extremely frigid zones restoration of the ecosystem work urgent problems to be solved.Therefore it is suitable to screen
Thickness of earth covering and suitable grass seeds, reasonable utilizing works excavate spoir material, to the success of Dumping Sites artificial pasture planting to closing weight
It wants, there is huge ecological benefits and economic benefit.
Invention content
To solve the above problems, the present invention provides a kind of method that High-cold regions dry-warm valley cinder field builds artificial pasture,
By carrying out artificial pasture technical research in cinder field, and then improve revegetation efficiency.
The present invention is achieved by following technical solution.
A kind of method that dry-warm valley cinder field in High-cold regions builds artificial pasture, method and step are as follows:
(1) cinder field is carried out smooth, carry out bedding with film, then carry out covering with new soil, cow and bullock manure is added after covering and mixed
Even carry out soil improvement;
(2) the cinder field ditching (1) step handled well selects clover to carry out ditch with oat seed mixed seeding and broadcasts, then covers ditch
Soil, ground levelling, irrigation;
Monitoring step (2) in by soil moisture, temperature and the vegetation growth state after ditch earthing, ground levelling, irrigation.
Further, the step is (1) middle selects thickness to carry out bedding for the degradable films of 0.05mm~0.07mm.
Further, (1) middle covering soil moved in improve the original laying depth is 20cm~30cm to the step, and earthing derives from earth material field and work
Excavate spoir in journey area.
Further, the step (1) in covering soil moved in improve the original in blending 30%~40% ratio, diameter 5cm~20cm gravel.
Further, the step (1) in addition 1000kg/ mu~1300kg/ mus of cattle and sheep muck and mix thoroughly progress soil change
It is good.
Further, the step (2) in ditching depth be 10cm~15cm, width 10cm~15cm, the spacing between ditch
10cm~15cm.
Further, the step is (2) middle selects clover to be broadcast for 10kg/ mus~13kg/ mus carry out ditches with oat seed mixed seeding.
Further, (2) middle clover and oat seed ratio are 0.8 to the step:1~1:1.
Further, using soil temperature and humidity monitoring instrument monitoring soil moisture, temperature.If soil moisture is less than clover, swallow
The suitable humidity range of wheat growth, need to consider irrigation practice;If soil surface temperature is less than growth retardation temperature, need to consider warming
Measure, for example use improving straw mulching;The growth retardation temperature is 5 DEG C.
The beneficial effects of the invention are as follows:
The present invention improves revegetation effect by the research and development in High-cold regions dry-warm valley cinder field progress artificial pasture technology
Rate.Grass seed selection clover is artificial grassland establishment plant with oat, is due to clover and oat fast-growth, it is possible to reduce weeds
Growth;Using technical solution of the present invention, it is possible to reduce cinder field covering with new soil thickness 10cm~20cm, reduction soil moved in improve the original amount 1500~
1998 cubic metres/hectare reduce development cost 8~100,000 yuan/hectare of the cold region construction of hydropower stations;Increase local herbage production
1500~1998kg/ mus of amount increases peasants and herdsmen and takes in 800~1000 yuan/mu.
Description of the drawings
Fig. 1 is the method flow diagram that dry-warm valley cinder field in High-cold regions of the present invention builds artificial pasture;
Fig. 2 is that clover provided in an embodiment of the present invention, oat, lyme grass and siberian wildrye carry out unicast, in mixed seeding experimental field
Portion's biomass schematic diagram;
Fig. 3 is soil volumetric water content schematic diagram provided in an embodiment of the present invention.
Specific implementation mode
Technical scheme of the present invention is further described below in conjunction with the accompanying drawings, but claimed range is not limited to institute
It states.
As shown in Figure 1, the method that a kind of High-cold regions dry-warm valley cinder field of the present invention builds artificial pasture, method
Steps are as follows:
(1) cinder field is carried out smooth, carries out bedding with film, then carry out covering with new soil, cattle and sheep are added after covering with new soil
Muck simultaneously mixes carry out soil improvement thoroughly;
(2) the cinder field ditching (1) step handled well selects clover to carry out ditch with oat seed mixed seeding and broadcasts, then covers ditch
Soil, ground levelling, irrigation;
Monitoring step (2) in by soil moisture, temperature and the vegetation growth state after ditch earthing, ground levelling, irrigation.
Further, the step is (1) middle selects thickness to carry out bedding for the degradable films of 0.05mm~0.07mm.Film
Be covered with conducive to soil moisture is kept, prevent moisture from ooze out from debris gap and loss, and 0.05mm~0.07mm
After using the required time, can change with time film gradual degradation, free from environmental pollution.
Further, (1) middle covering soil moved in improve the original laying depth is 20cm~30cm to the step, and earthing derives from earth material field and work
Excavate spoir in journey area.Soil thickness determines that water retention in soil, 20cm~30cm soil thickness can be evaporated in dry-warm valley
In the case that amount is big, soil moisture content is maintained, ensures the survival of plant.
Further, the step (1) in covering soil moved in improve the original in blending 30%~40% ratio, diameter 5cm~20cm gravel.
Soil cobble-stone has certain hole, itself has certain water absorbing properties, plays the role of preserving moisture, therefore gravel
The presence of layer has the growth conducive to root system of plant.
Further, the step (1) 1000kg/ mus~1300kg/ mus progress soil improvements of middle addition cattle and sheep muck.Cattle and sheep
Muck belongs to organic fertilizer, can provide effective nutrient while improving the soil texture for plant growth, is conducive to plant and gives birth to
It is long.
Further, the step (2) in ditching depth be 10cm~15cm, width 10cm~15cm, the spacing between ditch
10cm~15cm.This depth and width and spacing are conducive to the development of clover and oat seed and the growth of root system, and the company of being formed
The meadow of piece.
Further, the step is (2) middle selects clover to be broadcast for 10kg/ mus~13kg/ mus carry out ditches with oat seed mixed seeding.
Oat Growth speed is fast, and biomass is big, but also can be solid, is conducive to increase local household's actions;Clover is legume,
Itself can have the function of improveing soil, and the feeding value ratio of clover is higher with fixed nitrogen;Two kinds of plant mixed plantings are conducive to
It improves revegetation efficiency and improves local household's actions.
Further, (2) middle clover and oat seed ratio are 0.8 to the step:1~1:1.Through experiment, clover and oat group
The upperground part biomass is maximum when closing plantation, most beneficial for the construction of artificial pasture.
Further, using soil temperature and humidity monitoring instrument monitoring soil moisture, temperature.If soil moisture is less than clover, swallow
The suitable humidity range of wheat growth, need to consider irrigation practice;If soil surface temperature is less than growth retardation temperature, need to consider warming
Measure, for example use improving straw mulching;The growth retardation temperature is 5 DEG C.
The embodiment of the present invention:
As shown in Figure 1, in order to screen cinder field artificial pasture planting reforestation practices both with Benefits in economic and social terms.Pass through mould
Quasi- cinder field scene, Anti-seeping technology with compare, artificial pasture is carried out in thickness of earth covering processing, arrangement pasture species processing and recovery effects monitoring
Planting pattern is screened.It is that 30cm~40cm simulates cinder field scene to select the gravel mixing of diameter 10cm~40cm, laying depth;Add
Add cow and bullock manure 2kg/m2Carry out soil improvement;As shown in Fig. 2, due to clover and oat fast-growth, it is possible to reduce weed growth;
Therefore, selection clover and oat mixed seeding 20g/m2Planting;Thickness of earth covering is distinguished 10cm, 20cm, 30cm and 40cm and is prevented
Ooze processing;Monitor soil moisture, temperature and vegetation growth state simultaneously.As shown in Figure 3, the results showed that, at soil depth 10cm
Water content it is relatively low, this is because in suede song cinder field position, belong to dry-warm valley, temperature is high, and sunshine is strong, therefore soil moisture is steamed
Hair is fast, causes topsoil volumetric(al) moisture content relatively low.Have in the soil volumetric water content equipped with impervious barrier and without impervious barrier larger
Difference, no impervious barrier (15cm-CK, 30cm-CK) processing in soil 15cm at volumetric(al) moisture content it is higher, in soil
Soil volumetric water content is minimum at 30cm (30cm-CK), this may be due to all debris in bottom, poor water retention property, so
Soil volumetric water content is relatively low, and water content is larger at 15cm, this may be to cause moisture to evapotranspire reduction due to soil crust,
Moisture rises through capillary action simultaneously, and it is higher that this may result in the volumetric(al) moisture content at soil 15cm.Having at impervious barrier
Larger difference is not present in soil moisture content in reason in (15cm-FS, 30cm-FS) soil at 15cm and at 30cm, illustrates that soil is protected
It is aqueous to be maintained.
Claims (10)
1. a kind of method that High-cold regions dry-warm valley cinder field builds artificial pasture, it is characterised in that:Its method and step is as follows:
(1) cinder field is carried out smooth, selects film to carry out bedding, then carry out covering with new soil, after covering with new soil addition cow and bullock manure into
Row soil improvement;
(2) the cinder field ditching (1) step handled well selects clover to carry out ditch with oat seed mixed seeding and broadcasts, then by ditch earthing, soil
Ground leveling is irrigated;
Monitoring step (2) in by soil moisture, temperature and the vegetation growth state after ditch earthing, ground levelling, irrigation.
2. the method that dry-warm valley cinder field in High-cold regions as described in claim 1 builds artificial pasture, it is characterised in that:The step
Suddenly (1) middle that thickness is selected to carry out bedding for the degradable films of 0.05mm~0.07mm.
3. the method that dry-warm valley cinder field in High-cold regions as described in claim 1 builds artificial pasture, it is characterised in that:The step
Suddenly (1) in middle covering soil moved in improve the original laying depth be 20cm~30cm.
4. the method that dry-warm valley cinder field in High-cold regions as described in claim 1 builds artificial pasture, it is characterised in that:The step
Suddenly (1) in covering soil moved in improve the original in blending 30%~40% ratio, diameter 5cm~20cm gravel.
5. the method that dry-warm valley cinder field in High-cold regions as described in claim 1 builds artificial pasture, it is characterised in that:The step
Suddenly (1) middle to add 1000kg/ mus~1300kg/ mus of cattle and sheep muck and mix carry out soil improvement thoroughly.
6. the method that dry-warm valley cinder field in High-cold regions as described in claim 1 builds artificial pasture, it is characterised in that:Ditching is deep
It is 10cm~15cm to spend, width 10cm~15cm, spacing 10cm~15cm between ditch.
7. the method that dry-warm valley cinder field in High-cold regions as described in claim 1 builds artificial pasture, it is characterised in that:The step
Suddenly (2) middle that clover is selected to be broadcast for 10kg/ mus~13kg/ mus carry out ditches with oat seed mixed seeding.
8. the method that dry-warm valley cinder field in High-cold regions as described in claim 1 builds artificial pasture, it is characterised in that:Clover with
Oat seed ratio is 0.8:1~1:1.
9. the method that dry-warm valley cinder field in High-cold regions as described in claim 1 builds artificial pasture, it is characterised in that:The step
Suddenly soil temperature and humidity monitoring instrument monitoring soil moisture, temperature are used in (1);If soil moisture is less than clover, Oat Growth
Suitable for humidity range, irrigation practice need to be considered;If soil surface temperature is less than growth retardation temperature, warming measure need to be considered.
10. the method that dry-warm valley cinder field in High-cold regions as claimed in claim 9 builds artificial pasture, it is characterised in that:It is described
Growth retardation temperature is 5 DEG C;The warming measure use improving straw mulching.
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CN201810556746.9A CN108782046A (en) | 2018-06-01 | 2018-06-01 | Method for building artificial grassland in dry and warm valley slag field in alpine region |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109565994A (en) * | 2019-01-11 | 2019-04-05 | 中国科学院、水利部成都山地灾害与环境研究所 | A kind of method for recovering vegetation of dry valley Dumping Sites side slope |
CN109565995A (en) * | 2019-01-11 | 2019-04-05 | 中国科学院、水利部成都山地灾害与环境研究所 | A kind of method for recovering vegetation of dry valley engineering body excavation slope |
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 |
CN115720819A (en) * | 2022-11-09 | 2023-03-03 | 华能澜沧江水电股份有限公司 | Vegetation recovery method for high-altitude hydropower development area |
CN115843617A (en) * | 2022-11-09 | 2023-03-28 | 华能澜沧江水电股份有限公司 | Method for transplanting turf and establishing artificial grassland in soil yard in alpine region |
CN115868377A (en) * | 2022-11-09 | 2023-03-31 | 华能澜沧江水电股份有限公司 | Method for recovering vegetation in hydropower development area of dry and warm valley of plateau |
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CN102308720A (en) * | 2011-07-08 | 2012-01-11 | 中国科学院新疆生态与地理研究所 | Double-layered growing method for lucern in mountainous areas of arid regions |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109565994A (en) * | 2019-01-11 | 2019-04-05 | 中国科学院、水利部成都山地灾害与环境研究所 | A kind of method for recovering vegetation of dry valley Dumping Sites side slope |
CN109565995A (en) * | 2019-01-11 | 2019-04-05 | 中国科学院、水利部成都山地灾害与环境研究所 | A kind of method for recovering vegetation of dry valley engineering body excavation slope |
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 |
CN115720819A (en) * | 2022-11-09 | 2023-03-03 | 华能澜沧江水电股份有限公司 | Vegetation recovery method for high-altitude hydropower development area |
CN115843617A (en) * | 2022-11-09 | 2023-03-28 | 华能澜沧江水电股份有限公司 | Method for transplanting turf and establishing artificial grassland in soil yard in alpine region |
CN115868377A (en) * | 2022-11-09 | 2023-03-31 | 华能澜沧江水电股份有限公司 | Method for recovering vegetation in hydropower development area of dry and warm valley of plateau |
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Application publication date: 20181113 |