CN105210494A - Loess steep slope is mixed hands over Afforestation method - Google Patents
Loess steep slope is mixed hands over Afforestation method Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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Abstract
A kind of loess steep slope is mixed hands over Afforestation method, comprising: forest belt, plateau top is afforested; Greening is hung under the greening of top, slope; Greening is climbed under slope greening and slope; Described slope greening is included in domatic soil body robust region and adopts plant greening technique, fluting of punching to plant that wherein one or both afforest greening technique; First adopt grid wire netting to fix in domatic soil body non-densified regions domatic, upwards climb growth by nursery stock at the bottom of slope along iron wire grid and realize the greening of soil body non-densified regions.The present invention by upper extension afforestation mode, under climb afforestation mode, greening technique is planted in hole, pressure zone greening technique and the integrated use of iron wire grid greening technique together, by layering, subregion Afforestation, reduce loess steep slope Afforestation task difficulty, achieve the object of administering northern loess bare slope with Ecological Measures.
Description
Technical field
The invention belongs to environmental protection Afforestation technical field, be specifically related to a kind of loess steep slope mixed friendship Afforestation method.
Background technology
Loess steep slope Afforestation is one technical barrier that dry area in north china is on the spot afforested, and China is dispersed with the loess bare slope of the length and breadth of land, is the natural hidden danger causing water and soil loss, airborne dust haze weather and threaten industrial and agricultural production, people's productive life safety.Current improvement only rests on takes engineering measure to railway, the high-risk location of keypoint road, cement, stone material etc. is utilized to build bank protection, prevent the generation of the geological disasters such as landslide, water and soil loss, domatic after the improvement object reaching part or local " imperial calamity harm reduction ", fundamentally thoroughly do not contain the generation of water and soil loss phenomenon and play the earth and drape over one's shoulders green ecological management effect, major part loess steep slope is still in naked state, have no aesthetic feeling can say, and with high costs, administer area extremely limited, become a blank spot of afforestation.
Summary of the invention
The invention provides a kind of loess steep slope mixed friendship Afforestation method, to solve a difficult problem for loess steep slope Afforestation.
Technical solution of the present invention: a kind of loess steep slope is mixed hands over Afforestation method, comprising:
Plateau top is afforested: to plant by the seeding row spacing of 2 × 3m that wherein one or both or two or more trees build a wide cut forest belt for willow, Chinese pine, arbor-vitae forming domatic mild broad area, plateau top;
Top, slope greening: press line-spacing 40-50cm, spacing in the rows 15-20cm at slope edges, be parallel to line of slope to plant 2-3 capable Di Jing≤0.5cm, the winter jasmine of more than height of seedling 50cm, Parthenocissus quinuefolia wherein one or both nursery stocks, it is made to hang from top to bottom, Afforestation Po Ding region, top, protection slope, can alleviate rainwash to domatic direct erosion from Po Ding again;
Slope surface treatment: first slope process is cut to domatic topsoil before slope greening, the loose table soil of slaking of pruning, forms smooth greening domatic; Cut slope thickness to determine depending on topsoil porousness, be generally 10-50cm;
Slope greening: domatic soil body robust region adopt punching plant greening technique, fluting is planted, and wherein one or both afforest greening technique; First adopt grid wire netting to fix in domatic soil body non-densified regions domatic, upwards climb growth by nursery stock at the bottom of slope along iron wire grid and realize the greening of soil body non-densified regions;
At the bottom of slope afforest: the slipsole pin of domatic soil body robust region be close to the domatic spacing in the rows by 25-50cm plant more than leading thread 0.5cm, height more than 50cm Euonymus Kiautschovicus Loes, Euonymus Kiautschovicus Loes is climbing growth upwards, climb up by holding on to while take root to domatic, play and fix self, absorb nutrition and afforest domatic effect; Be close to Euonymus Kiautschovicus Loes and the parthenocissus of alternate more than the leading thread 0.5cm that plants of the domatic spacing in the rows by 25-50cm, highly more than 50cm at the slipsole pin of domatic soil body non-densified regions, allow it upwards climb growth along iron wire grid, it is domatic that the Afforestation soil body loosens.
Described punching greening technique of planting comprises:
Domatic punching: become the direction of 30 degree of angles to punch down with horizontal plane on domatic edge, aperture 8cm, hole depth 25-30cm, the left and right horizontal spacing 40cm in described hole, upper and lower vertical interval 40cm, the arrangement in " product " type and upper lower opening staggers; Described hole comprises hole and catch basin, and described catch basin to be located at bottom described hole and to be communicated with described hole;
Fill with seepage hole water: before planting, in order to the softening loose soil body and be badly in need of water, filling seepage hole water 2 times for seedling growth deposit of planting;
Nutritive soil preparation: the weight ratio of first pressing forest humus and loose loess 3:7 prepares base soil, then add the phosphate fertilizer of 2% weight ratio and the composite fertilizer of 1% weight ratio, as Nutrition Soil after stirring by every hundred kilograms of base soil.
Water pipe is watered in making: by diameter 1.5cm, the PVC round tube of long 20-25cm, and two relative direction cuts oblique angle at 45 ° as watering water pipe, for watering, tackling retaining.
Greening is planted in hole: the nursery stock kind of Kong Zhi is Euonymus Kiautschovicus Loes, winter jasmine, shrubby flase indigo, fiery sour jujube wherein one or both or two or more nursery stock; Kong Zhiqian, first backfill half Nutrition Soil, again nursery stock is parallel to direction, hole and is placed into hole central authorities, the 1-3 strain of every hole, watering water pipe along being parallel to the upside that direction, hole is placed on nursery stock by what make simultaneously, then backfill 3-5cm place under Nutrition Soil to bore edges, blocking precipitation in order to storing, and ensure water water pipe oblique angle expose Nutrition Soil, in order to watering retaining; Finally broadcast sowing facet syndrom grass seeds at aperture surface appropriate, and cover the Nutrition Soil of 1cm thickness, prevent surface soil from hardening;
Water: after nursery stock of having planted in 40-60 days, every 7-10 days in good time, water water pipe upper port by small hose aligning and water once, water at every turn and should guarantee that infiltration can not be washed away domatic causing again; 12-14 point, when temperature is higher than more than 30 °, should sprays to nursery stock complete stool with sprayer in time, avoid day to burn noon every day.
Described fluting greening technique of planting comprises:
Domatic fluting: become the direction of 30 degree of angles to excavate elongated slot parallel up and down down with horizontal plane on domatic edge along being parallel to Po Ding direction, flute length 1m, groove height 10-15cm, groove depth 20cm, and each groove both ends high, middle low, make the horizontal sextant angle of formation 3-5 ° between two ends and centre, be beneficial to and water from groove two ends; Described groove and groove left and right horizontal spacing 20-30cm, upper and lower vertical interval 1m, and groove is staggered into triangle disposition arrangement up and down;
Groove water is oozed in filling: before planting, and in order to the softening loose soil body and be badly in need of water for seedling growth deposit of planting, filling oozes groove water 2 times;
Nutritive soil preparation: the weight ratio of first pressing forest humus and loose loess 3:7 prepares base soil, then add the phosphate fertilizer of 2% weight ratio and the composite fertilizer of 1% weight ratio, as Nutrition Soil after stirring by every hundred kilograms of base soil.
Make watering tube: by diameter 1.5cm, the PVC round tube of long 20-25cm, two relative direction cuts oblique angle at 45 ° as watering tube, for watering.
Pressure zone is afforested: the nursery stock kind of pressure zone is Euonymus Kiautschovicus Loes, winter jasmine, shrubby flase indigo, fiery sour jujube wherein one or both or two or more nursery stock; Before pressure zone greening, first at the Nutrition Soil that bottom land backfill 3-5cm is thick, again nursery stock is arranged in order into horizontal band-like by spacing in the rows 10cm, the watering tube made is embedded in the two ends of groove, backfill Nutrition Soil to trough rim 3-5cm, and ensures that the oblique angle, upper end of watering tube exposes Nutrition Soil simultaneously, and make the main root 2-3cm of oblique angle, the lower end distance outermost end nursery stock of watering tube, finally broadcast sowing facet syndrom grass seeds at groove edge appropriate, and cover the Nutrition Soil of 1cm thickness, prevent surface soil from hardening;
Water: after nursery stock of having planted in 40-60 days, every 7-10 days in good time, water water pipe upper port by small hose aligning and water once, water at every turn and should guarantee that infiltration can not be washed away domatic causing again; 12-14 point, when temperature is higher than more than 30 °, should sprays to nursery stock complete stool with sprayer in time, avoid day to burn noon every day.
When watering, preferably add urea, to increase nutrient supply by 1% weight ratio.
Described nursery stock specification standards require: more than leading thread 0.5cm, and height more than 50cm, is more than or equal to the side radical of 5cm more than 15, and whole strain mechanical, root system damage, without damage by disease and insect, and the raw nursery stock of 1-2 of robust growth.
Compared to prior art, the present invention has the following advantages and effect:
1, the present invention by upper extension afforestation mode, under climb afforestation mode, greening technique is planted in hole, pressure zone greening technique and the integrated use of iron wire grid greening technique together, by layering, subregion Afforestation, reduce loess steep slope Afforestation task difficulty, achieve the object of administering northern loess bare slope with Ecological Measures, define the effective way that " economic, quick, efficient " solves loess bare slope biological treating, change northern Loess Bare open country district and lack the few green looks of woods, improve human settlement and investment environment, achieve noticeable achievement.
2, method of operating of the present invention is easy, greening speed is quick, cost is low, and its measure adopted is environmental protection and ecology entirely, does not destroy and any pollution ecosystem; And in water and soil loss, slow down runoff washing away and corroding earth's surface, and decrease landslide, landslide and debris flow odds, can the safety in available protecting Important Project facility and farmland, water and soil conservation, water conservation effect are remarkable.
3, the present invention is planted in structure by structure of planting in punching, fluting and lays watering tube, and when watering on the one hand, water to be gone directly root system by watering tube, and water-saving result is remarkable; Two is also apply fertilizer directly to root system by watering tube, and to increase nutrient supply, fertilizer efficiency availability is high, saves fertile Be very effective.
4, the present invention's punching is planted at the bottom of structure mesoporous and is excavated catch basin, and the watering tube of laying has effect that the rainwater retained in aperture directly sends into catch basin, and automatic Collection utilization rainwater is that nursery stock supplements moisture content, reduces Afforestation cost, saving water resource.
Accompanying drawing explanation
Fig. 1 is the greening structure schematic diagram of an embodiment of the present invention,
Fig. 2 is that the present invention punches the structural representation of nursery stock of planting,
Fig. 3 is that the present invention slots the structure side view of nursery stock of planting,
Fig. 4 is that the present invention slots the notch schematic diagram of nursery stock of planting.
Figure number illustrates: 1-hole, 2-catch basin, 3-waters water pipe, and 4-is domatic, 5-groove, and 6-waters irrigation pipe, 7-pressure zone nursery stock.
Embodiment
Below in conjunction with accompanying drawing 1,2,3,4, a kind of embodiment of the present invention is described.
Loess steep slope mixes friendship Afforestation method and is applicable to the loess steep slope greening that the gradient is 45 °-90 °, and its mixed friendship greening structure formed comprises plateau top width width forest belt A, top, slope lower extension layer B, domatic hole is planted under afforested areas C, domatic pressure zone afforested areas D, domatic iron wire grid afforested areas E and slope and climbed afforested areas F.Concrete Afforestation method is as follows:
Plateau top is afforested: to plant by the seeding row spacing of 2 × 3m that wherein one or both or two or more trees build a wide cut forest belt A for willow, Chinese pine, arbor-vitae forming domatic mild broad area, plateau top;
Top, slope greening: press line-spacing 40-50cm, spacing in the rows 15-20cm at slope edges, be parallel to line of slope to plant 2-3 capable Di Jing≤0.5cm, the winter jasmine of more than height of seedling 50cm, Parthenocissus quinuefolia wherein one or both nursery stocks, it is made to hang from top to bottom, form top, slope lower extension layer B, Afforestation Po Ding region, top, protection slope, can alleviate rainwash to domatic direct erosion from Po Ding again;
Slope surface treatment: first slope process is cut to domatic topsoil before slope greening, the loose table soil of slaking of pruning, forms smooth greening domatic; Cut slope thickness to determine depending on topsoil porousness, be generally 10-50cm;
Slope greening: adopt punching greening technique and the fluting mode that greening technique combines of planting of planting to afforest in domatic soil body robust region, easily form main body or the obvious landscape effect of characteristic, after greening, view is effective.First adopt grid wire netting to fix in domatic soil body non-densified regions domatic, upwards climb growth by nursery stock at the bottom of slope along iron wire grid and realize greening.
At the bottom of slope afforest: the slipsole pin of domatic soil body robust region be close to the domatic spacing in the rows by 25-50cm plant more than leading thread 0.5cm, height more than 50cm Euonymus Kiautschovicus Loes, Euonymus Kiautschovicus Loes is climbing growth upwards, climb up by holding on to while take root to domatic, play and fix self, absorb nutrition and afforest domatic effect; Be close to Euonymus Kiautschovicus Loes and the parthenocissus of alternate more than the leading thread 0.5cm that plants of the domatic spacing in the rows by 25-50cm, highly more than 50cm at the slipsole pin of domatic soil body non-densified regions, allow it upwards climb growth along iron wire grid, it is domatic that the Afforestation soil body loosens.
Described punching greening technique of planting comprises:
Domatic punching: become the direction of 30 degree of angles to punch down with horizontal plane on domatic edge, aperture 8cm, hole depth 25-30cm, the left and right horizontal spacing 40cm in described hole, upper and lower vertical interval 40cm, the arrangement in " product " type and upper lower opening staggers; Described hole comprises hole and catch basin, and described catch basin to be located at bottom described hole and to be communicated with described hole;
Fill with seepage hole water: before planting, in order to the softening loose soil body and be badly in need of water, filling seepage hole water 2 times for seedling growth deposit of planting;
Nutritive soil preparation: the weight ratio of first pressing forest humus and loose loess 3:7 prepares base soil, then add the phosphate fertilizer of 2% weight ratio and the composite fertilizer of 1% weight ratio, as Nutrition Soil after stirring by every hundred kilograms of base soil.
Water pipe is watered in making: by diameter 1.5cm, the PVC round tube of long 20-25cm, and two relative direction cuts oblique angle at 45 ° as watering water pipe, for watering, tackling retaining.
Greening is planted in hole: the nursery stock kind of Kong Zhi is Euonymus Kiautschovicus Loes, winter jasmine, shrubby flase indigo, fiery sour jujube wherein one or both or two or more nursery stock; Described nursery stock specification standards require: more than leading thread 0.5cm, and height more than 50cm, is more than or equal to the side radical of 5cm more than 15, and whole strain mechanical, root system damage, without damage by disease and insect, and the raw nursery stock of 1-2 of robust growth.Kong Zhiqian, first backfill half Nutrition Soil, again nursery stock is parallel to direction, hole and is placed into hole central authorities, the 1-3 strain of every hole, watering water pipe along being parallel to the upside that direction, hole is placed on nursery stock by what make simultaneously, then backfill 3-5cm place under Nutrition Soil to bore edges, blocking precipitation in order to storing, and ensure water water pipe oblique angle expose Nutrition Soil, in order to watering retaining; Finally broadcast sowing facet syndrom grass seeds at aperture surface appropriate, and cover the Nutrition Soil of 1cm thickness, prevent surface soil from hardening;
Water: after nursery stock of having planted in 40-60 days, every 7-10 days in good time, water water pipe upper port by small hose aligning and water once, when watering, preferably add urea, to increase nutrient supply by 1% weight ratio.Water at every turn and should guarantee that infiltration can not be washed away domatic causing again; 12-14 point, when temperature is higher than more than 30 °, should sprays to nursery stock complete stool with sprayer in time, avoid day to burn noon every day.
Described fluting greening technique of planting comprises:
Domatic fluting: become the direction of 30 degree of angles to excavate elongated slot parallel up and down down with horizontal plane on domatic edge along being parallel to Po Ding direction, flute length 1m, groove height 10-15cm, groove depth 20cm, and each groove both ends high, middle low, make the horizontal sextant angle of formation 3-5 ° between two ends and centre, be beneficial to and water from groove two ends; Described groove and groove left and right horizontal spacing 20-30cm, upper and lower vertical interval 1m, and groove is staggered into triangle disposition arrangement up and down;
Groove water is oozed in filling: before planting, and in order to the softening loose soil body and be badly in need of water for seedling growth deposit of planting, filling oozes groove water 2 times;
Nutritive soil preparation: the weight ratio of first pressing forest humus and loose loess 3:7 prepares base soil, then add the phosphate fertilizer of 2% weight ratio and the composite fertilizer of 1% weight ratio, as Nutrition Soil after stirring by every hundred kilograms of base soil.
Make watering tube: by diameter 1.5cm, the PVC round tube of long 20-25cm, two relative direction cuts oblique angle at 45 ° as watering tube, for watering.
Pressure zone is afforested: the nursery stock kind of pressure zone is Euonymus Kiautschovicus Loes, winter jasmine, shrubby flase indigo, fiery sour jujube wherein one or both or two or more nursery stock; Described nursery stock specification standards require: more than leading thread 0.5cm, and height more than 50cm, is more than or equal to the side radical of 5cm more than 15, and whole strain mechanical, root system damage, without damage by disease and insect, and the raw nursery stock of 1-2 of robust growth.Before pressure zone greening, first at the Nutrition Soil that bottom land backfill 3-5cm is thick, again nursery stock is arranged in order into horizontal band-like by spacing in the rows 10cm, the watering tube made is embedded in the two ends of groove, backfill Nutrition Soil to trough rim 3-5cm, and ensures that the oblique angle, upper end of watering tube exposes Nutrition Soil simultaneously, and make the main root 2-3cm of oblique angle, the lower end distance outermost end nursery stock of watering tube, finally broadcast sowing facet syndrom grass seeds at groove edge appropriate, and cover the Nutrition Soil of 1cm thickness, prevent surface soil from hardening;
Water: after nursery stock of having planted in 40-60 days, every 7-10 days in good time, water water pipe upper port by small hose aligning and water once, when watering, preferably add urea, to increase nutrient supply by 1% weight ratio.Water at every turn and should guarantee that infiltration can not be washed away domatic causing again; 12-14 point, when temperature is higher than more than 30 °, should sprays to nursery stock complete stool with sprayer in time, avoid day to burn noon every day.
Above-described embodiment, just preferred embodiment of the present invention, is not used for limiting the scope of the present invention, therefore all equivalent variations done with content described in the claims in the present invention, all should be included within the claims in the present invention scope.
Claims (5)
1. loess steep slope is mixed hands over an Afforestation method, it is characterized in that comprising:
Plateau top is afforested: to plant by the seeding row spacing of 2 × 3m that wherein one or both or two or more trees build a wide cut forest belt for willow, Chinese pine, arbor-vitae forming domatic mild broad area, plateau top;
Top, slope greening: press line-spacing 40-50cm, spacing in the rows 15-20cm at slope edges, be parallel to line of slope to plant 2-3 capable Di Jing≤0.5cm, the winter jasmine of more than height of seedling 50cm, Parthenocissus quinuefolia wherein one or both nursery stocks, it is made to hang from top to bottom, Afforestation Po Ding region, top, protection slope, can alleviate rainwash to domatic direct erosion from Po Ding again;
Slope surface treatment: first slope process is cut to domatic topsoil before slope greening, the loose table soil of slaking of pruning, forms smooth greening domatic; Cut slope thickness to determine depending on topsoil porousness, be generally 10-50cm;
Slope greening: domatic soil body robust region adopt punching plant greening technique, fluting is planted, and wherein one or both afforest greening technique; First adopt grid wire netting to fix in domatic soil body non-densified regions domatic, upwards climb growth by nursery stock at the bottom of slope along iron wire grid and realize the greening of soil body non-densified regions;
At the bottom of slope afforest: the slipsole pin of domatic soil body robust region be close to the domatic spacing in the rows by 25-50cm plant more than leading thread 0.5cm, height more than 50cm Euonymus Kiautschovicus Loes, Euonymus Kiautschovicus Loes is climbing growth upwards, climb up by holding on to while take root to domatic, play and fix self, absorb nutrition and afforest domatic effect; Be close to Euonymus Kiautschovicus Loes and the parthenocissus of alternate more than the leading thread 0.5cm that plants of the domatic spacing in the rows by 25-50cm, highly more than 50cm at the slipsole pin of domatic soil body non-densified regions, allow it upwards climb growth along iron wire grid, it is domatic that the Afforestation soil body loosens.
2. loess steep slope according to claim 1 is mixed hands over Afforestation method, it is characterized in that described punching greening technique of planting comprises:
Domatic punching: become the direction of 30 degree of angles to punch down with horizontal plane on domatic edge, aperture 8cm, hole depth 25-30cm, the left and right horizontal spacing 40cm in described hole, upper and lower vertical interval 40cm, the arrangement in " product " type and upper lower opening staggers; Described hole comprises hole and catch basin, and described catch basin to be located at bottom described hole and to be communicated with described hole;
Fill with seepage hole water: before planting, in order to the softening loose soil body and be badly in need of water, filling seepage hole water 2 times for seedling growth deposit of planting;
Nutritive soil preparation: the weight ratio of first pressing forest humus and loose loess 3:7 prepares base soil, then add the phosphate fertilizer of 2% weight ratio and the composite fertilizer of 1% weight ratio, as Nutrition Soil after stirring by every hundred kilograms of base soil;
Water pipe is watered in making: by diameter 1.5cm, the PVC round tube of long 20-25cm, and two relative direction cuts oblique angle at 45 ° as watering water pipe, for watering, tackling retaining;
Greening is planted in hole: the nursery stock kind of Kong Zhi is Euonymus Kiautschovicus Loes, winter jasmine, shrubby flase indigo, fiery sour jujube wherein one or both or two or more nursery stock; Kong Zhiqian, first backfill half Nutrition Soil, again nursery stock is parallel to direction, hole and is placed into hole central authorities, the 1-3 strain of every hole, watering water pipe along being parallel to the upside that direction, hole is placed on nursery stock by what make simultaneously, then backfill 3-5cm place under Nutrition Soil to bore edges, blocking precipitation in order to storing, and ensure water water pipe oblique angle expose Nutrition Soil, in order to watering retaining; Finally broadcast sowing facet syndrom grass seeds at aperture surface appropriate, and cover the Nutrition Soil of 1cm thickness, prevent surface soil from hardening;
Water: after nursery stock of having planted in 40-60 days, every 7-10 days in good time, water water pipe upper port by small hose aligning and water once, water at every turn and should guarantee that infiltration can not be washed away domatic causing again; 12-14 point, when temperature is higher than more than 30 °, should sprays to nursery stock complete stool with sprayer in time, avoid day to burn noon every day.
3. loess steep slope according to claim 1 and 2 is mixed hands over Afforestation method, it is characterized in that described fluting greening technique of planting comprises:
Domatic fluting: become the direction of 30 degree of angles to excavate elongated slot parallel up and down down with horizontal plane on domatic edge along being parallel to Po Ding direction, flute length 1m, groove height 10-15cm, groove depth 20cm, and each groove both ends high, middle low, make the horizontal sextant angle of formation 3-5 ° between two ends and centre, be beneficial to and water from groove two ends; Described groove and groove left and right horizontal spacing 20-30cm, upper and lower vertical interval 1m, and groove is staggered into triangle disposition arrangement up and down;
Groove water is oozed in filling: before planting, and in order to the softening loose soil body and be badly in need of water for seedling growth deposit of planting, filling oozes groove water 2 times;
Nutritive soil preparation: the weight ratio of first pressing forest humus and loose loess 3:7 prepares base soil, then add the phosphate fertilizer of 2% weight ratio and the composite fertilizer of 1% weight ratio, as Nutrition Soil after stirring by every hundred kilograms of base soil;
Make watering tube: by diameter 1.5cm, the PVC round tube of long 20-25cm, two relative direction cuts oblique angle at 45 ° as watering tube, for watering;
Pressure zone is afforested: the nursery stock kind of pressure zone is Euonymus Kiautschovicus Loes, winter jasmine, shrubby flase indigo, fiery sour jujube wherein one or both or two or more nursery stock; Before pressure zone greening, first at the Nutrition Soil that bottom land backfill 3-5cm is thick, again nursery stock is arranged in order into horizontal band-like by spacing in the rows 10cm, the watering tube made is embedded in the two ends of groove, backfill Nutrition Soil to trough rim 3-5cm, and ensures that the oblique angle, upper end of watering tube exposes Nutrition Soil simultaneously, and make the main root 2-3cm of oblique angle, the lower end distance outermost end nursery stock of watering tube, finally broadcast sowing facet syndrom grass seeds at groove edge appropriate, and cover the Nutrition Soil of 1cm thickness, prevent surface soil from hardening;
Water: after nursery stock of having planted in 40-60 days, every 7-10 days in good time, water water pipe upper port by small hose aligning and water once, water at every turn and should guarantee that infiltration can not be washed away domatic causing again; 12-14 point, when temperature is higher than more than 30 °, should sprays to nursery stock complete stool with sprayer in time, avoid day to burn noon every day.
4. the loess steep slope according to Claims 2 or 3 is mixed hands over Afforestation method, it is characterized in that: when watering, preferably adds urea, to increase nutrient supply by 1% weight ratio.
5. loess steep slope according to claim 4 is mixed hands over Afforestation method, it is characterized in that: described nursery stock specification standards requirement is: more than leading thread 0.5cm, height more than 50cm, be more than or equal to the side radical of 5cm more than 15, whole strain mechanical, root system damage, without damage by disease and insect, the raw nursery stock of 1-2 of robust growth.
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| CN108260420A (en) * | 2017-12-28 | 2018-07-10 | 青岛冠中生态股份有限公司 | Viaduct hangs case greening method for planting |
| CN109121526A (en) * | 2018-09-11 | 2019-01-04 | 西北大学 | A method of improving Loess Region soil carbon sequestration capacity using |
| CN109287225A (en) * | 2018-08-31 | 2019-02-01 | 沈阳大学 | A kind of ditch slope plants trees and auxiliary water protects engineering control soil erosion ditch method |
| CN110122139A (en) * | 2019-04-25 | 2019-08-16 | 西北农林科技大学 | A kind of Arid&semi-arid area pole abrupt slope soil and water conservation method |
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| CN108260420A (en) * | 2017-12-28 | 2018-07-10 | 青岛冠中生态股份有限公司 | Viaduct hangs case greening method for planting |
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| CN109287225B (en) * | 2018-08-31 | 2020-10-30 | 沈阳大学 | Method for planting trees on trench slope and assisting water conservation engineering in treating soil erosion trench |
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| CN112136408A (en) * | 2020-09-16 | 2020-12-29 | 青岛冠中生态股份有限公司 | Greening method suitable for sand abrupt slope in high-altitude area |
| CN112136408B (en) * | 2020-09-16 | 2022-08-02 | 青岛冠中生态股份有限公司 | Greening method suitable for sand abrupt slope in high-altitude area |
| CN112273126A (en) * | 2020-11-02 | 2021-01-29 | 宝鸡市林业科技信息中心(宝鸡市飞播造林工作站) | Slope punching planting and greening method |
| CN115349390A (en) * | 2022-08-08 | 2022-11-18 | 刘荣国 | Method for treating water and soil loss source of loess hilly barren mountains |
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