CN103797991A

CN103797991A - Granite mine slash ecological green returning technology

Info

Publication number: CN103797991A
Application number: CN201210440646.2A
Authority: CN
Inventors: 李征
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-07
Filing date: 2012-11-07
Publication date: 2014-05-21

Abstract

The invention belongs to the agricultural field, and particularly relates to the improvement of a granite mine slash ecological green returning technology. In order to solve the problems, the granite mine slash ecological green returning technology is provided. In order to achieve the purposes, the granite mine slash ecological green returning technology includes the following steps that firstly, land preparation is performed before construction, a ballast blocking wall is arranged on a stacking slope toe, a drainage ditch is excavated according to the peripheral terrain of a region, upstream rainfall runoff is drained out of the periphery of a mining area, meanwhile, when a hole is excavated in a slope, exposed stones are removed, the built soil stacked slope toe is cleared up in a centralized mode, and a soil body is retained; secondly, earth backing is carried out before renovation and green returning, the requirement for thickness is 1 m, a slope cutting and grading method is adopted on a mine wall soil texture slope, a horizontal trapezoid table face is formed, a bamboo joint building groove is then formed, and a water interception facility is built on the top of the slope; thirdly, a broadcast sowing method is adopted for performing greening.

Description

Slash, granite mine ecosystem recovery

Technical field

the invention belongs to agriculture field, in particular, the present invention relates to the improvement of slash, granite mine zoology green-recovery method.

Background technology

due to the exploitation of mining area large area, a large amount of forest covers are damaged, and earth's surface is exposed, and discarded soil, ore deposit quarrel are stacked everywhere.The soil body is loose, and water penetration is strong, under rainwater and rainwash intense impact and cutting, very easily produces landslide, debris flow, has caused serious water and soil loss, very harmful to ecotope.Be mainly manifested in.

1, destruction agricultural production mining area vegetation is destroyed, and the loose soil body, under the denudation of current, drops along slope, causes the water sand surfing of farmland, downstream to press, and soil desertification, is difficult to second ploughing, and cereal crops are lost and receive, and cause very large loss to local farmers.

2, harm water engineering facility, due to serious water and soil loss, a large amount of silt silts the water conservancy projects such as river course and pond on a hill, water channel up, has a strong impact on Jinjiang flood passage and drains off floodwaters and reduce water conservancy projects irrigation benifit, brings great threat to industrial and agricultural production and people's lives and properties.

3, polluted drinking water source, in mining process, a large amount of silt and dust, harmful physical, chemical substance flow in river, have caused pollution of waterhead.

4, affect ecoscape, mining area is located in city, Quanzhou City Beijing University door, adjoins mutually with Mount Jiuri, famous scenic area, the mountain of radically reforming.Mining area massif is exposed riddled with gaping wounds, formed in " green hill hang white ", heavy damage ecological natural view.

5, cause geological disaster, mining area part ore deposit point is not constructed by exploiting programme, and super gradient operation is usually come down, the geological disaster such as landslide, and Mine Safety in Production has been brought to very big harm.

6 jeopardize means of transportation, and mining area is located in by highway and railway, and mining explosion has larger impact to highway, safe railway operation.

Summary of the invention

the present invention is exactly for the problems referred to above, and slash, a kind of granite mine ecosystem recovery is provided.

for realizing above-mentioned purpose of the present invention, the present invention adopts following technical scheme, and slash, granite of the present invention mine ecosystem recovery is.

step 1 is first carried out whole ground before construction, blocks quarrel wall in the setting of accumulation toe, and according to district's periphery terrain excavation drain ditch, upstream rainfall runoff is discharged to periphery, mining area; ,, exposed stone is removed while digging cave domatic, concentrated arrangement assembles mound toe, retains the soil body meanwhile.

step 2, before regulation is multiple green, first carries out earth backing, and thickness requirement reaches lm; To rib soil slope face, take to cut slope and open the way of level, be made into horizontal ladder table top, after establish and build ring ditch; The facility that intercepts water is built on top, slope.

step 3, adopts the mode of broadcasting sowing to afforest; Select masson pine and add Paspalum wettsteinii and class reed seed through the acacia confusa seed of dewaxing treatment and mix in l:l:0.3:0.2 ratio, mix all and broadcast sowing afterwards with Nutrition Soil; Selection of time was carried out in the Ching Ming Festival.

beneficial effect of the present invention.

it is the new water and soil loss causing that the present invention can fundamentally control people; vegetation is restored substantially; ecotope and natural landscape obviously improve, and have effectively protected water source, promoted widely the health of local economy, steadily, continue to advance.

Embodiment

step 1, the heap ore body of falling slope greening is piled adverse slope face outward and is discarded soil quarrel, and the heap soil body is soft, easily sinks, and during Heavy Rain of Typhoon, is subject to powerful rainwash cutting and degrades, and easily produces the geological disaster such as dissected valley, slip and fall; Therefore, before construction, first carry out whole ground, block quarrel wall in the setting of accumulation toe, and according to district's periphery terrain excavation drain ditch, upstream rainfall runoff is discharged to periphery, mining area; ,, exposed stone is removed while digging cave domatic, concentrated arrangement assembles mound toe, retains the soil body, prevents landslide, avalanche and water and soil loss meanwhile, gets rid of that safety is steady to be suffered from, and guarantees production safety.

step 2, afforests in ore body in ore body spaciously and mostly is hard stone earth's surface or rubble quarrel spaciously, there is no soil matrix, and greening difficulty is very big; Therefore, before regulation is multiple green, first carry out earth backing, thickness requirement reaches lm left and right; To rib soil slope face, take to cut slope and open the way of level, be made into horizontal ladder table top, mesa width is according to the gradient, slope Gao Erding, table top anti-obliquity, after establish and build ring ditch; The facility that intercepts water is built on top, slope, and interception top direct runoff, prevents from washing away incision and avalanche.

step 3, landslide, the domatic greening of avalanche are for landslide, the domatic improvement greening of avalanche, and difficulty is larger, and the gradient is steeper conventionally, clay distribution inequality, having thickly has thinly, has dissected valley more simultaneously, is difficult for digging cave wholely and plants; Therefore, can only adopt the mode of broadcasting sowing to afforest; Specific practice: select masson pine and add Paspalum wettsteinii and class reed seed through the acacia confusa seed of dewaxing treatment and mix in l:l:0.3:0.2 ratio, mix all and broadcast sowing afterwards with Nutrition Soil; Time is typically chosen in around the Ching Ming Festival carries out.

in step 2, the multiple green method of regulation is: adopt Silvicultural Engineering, its specification: seeding row spacing is 2.5m × 2.5m, digging cave is 60cm × 50cm × 40cm, the every cave backfill of base manure municipal refuse 25kg, calcium magnesium phosphorus 0.5kg, nursery stock is selected the large nutritious bag seedling of height 60～80cm; Eucalyptus urophylla-grandis intermediate sleeve kind reed, Paspalum wettsteinii; Class reed adopts plant division way, and 2～3 every clump, seeding row spacing is 50cm × 50cm, and municipal refuse 2.5kg often spreads manuer in holes; Paspalum wettsteinii adopts planting seed, seed consumption l2kg/m ² , mix all and broadcast sowing afterwards with Nutrition Soil, after cover the table soil of one deck l～2cm; Crassicarpa is selected in table top greening in ore body, and climbing plants kudzu is selected in terraced wall greening, dig cave specification and afforestation cave with, nursery stock is selected the raw nutritious bag seedlings of la; Plant rear management: after seedling planting,, in l month, continuous sunny is watered l time every 3d; 5, respectively execute quick-acting composite fertilizers l time July, every strain 0 .25kg.

above content is the further description of the present invention being done in conjunction with concrete preferred embodiment; can not assert that specific embodiment of the invention is confined to these explanations; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the definite protection domain of claims that the present invention submits to.

Claims

1. slash, granite mine ecosystem recovery, is characterized in that:

Step 1 is first carried out whole ground before construction, blocks quarrel wall in the setting of accumulation toe, and according to district's periphery terrain excavation drain ditch, upstream rainfall runoff is discharged to periphery, mining area; ,, exposed stone is removed while digging cave domatic, concentrated arrangement assembles mound toe, retains the soil body meanwhile;

Step 2, before regulation is multiple green, first carries out earth backing, and thickness requirement reaches lm; To rib soil slope face, take to cut slope and open the way of level, be made into horizontal ladder table top, after establish and build ring ditch; The facility that intercepts water is built on top, slope;

2. slash, granite according to claim 1 mine ecosystem recovery, it is characterized in that: in step 2, the multiple green method of regulation is: adopt Silvicultural Engineering, its specification: seeding row spacing is 2.5m × 2.5m, digging cave is 60cm × 50cm × 40cm, the every cave backfill of base manure municipal refuse 25kg, calcium magnesium phosphorus 0.5kg, nursery stock is selected the large nutritious bag seedling of height 60～80cm; Eucalyptus urophylla-grandis intermediate sleeve kind reed, Paspalum wettsteinii; Class reed adopts plant division way, and 2～3 every clump, seeding row spacing is 50cm × 50cm, and municipal refuse 2.5kg often spreads manuer in holes; Paspalum wettsteinii adopts planting seed, seed consumption l2kg/m ², mix all and broadcast sowing afterwards with Nutrition Soil, after cover the table soil of one deck l～2cm; Crassicarpa is selected in table top greening in ore body, and climbing plants kudzu is selected in terraced wall greening, dig cave specification and afforestation cave with, nursery stock is selected the raw nutritious bag seedlings of la; Plant rear management: after seedling planting,, in l month, continuous sunny is watered l time every 3d; 5, respectively execute quick-acting composite fertilizers l time July, every strain 0 .25kg.