CN104429801A - Method for afforestation on difficult lands in Han River seacoast - Google Patents
Method for afforestation on difficult lands in Han River seacoast Download PDFInfo
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- CN104429801A CN104429801A CN201410729530.XA CN201410729530A CN104429801A CN 104429801 A CN104429801 A CN 104429801A CN 201410729530 A CN201410729530 A CN 201410729530A CN 104429801 A CN104429801 A CN 104429801A
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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
- A01G23/00—Forestry
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/04—Machines for making or covering holes for sowing or planting
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Botany (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a method for afforestation on difficult lands in Han River seacoast. The method comprises tree seed selection, fine seed and strong seedling, reasonable close planting, land preparation, feeding block seedling afforestation, GGR green plant growth conditioning agent usage and plastic film covering afforestation. If the method is used for the afforestation on the lands, the survival rate of the seedlings can be effectively increased, the fast forest establishment is realized, and ecological environment is improved.
Description
Technical field
The present invention relates to afforestation field, be specifically related to the technical method of the littoral Difficult site afforestation in a kind of Han River.
Background technology
The desert region in China western part, the southwest such as native Mountainous Area, Guizhou of the Yellow River bank stony desert area, all belong to Difficult site with the rock exposed region etc. of Han River bank along the Yangtze River.These regions are the difficult point of ecological management, are also emphasis.Han River is the mother river of the safe and comfortable people, is the main water source of China's Route.Han River is located in Qin's bar innerland, and total length 1532 kilometers is the first tributary in the Changjiang river, by way of 7 counties and districts of Ankang City.The quality of two sides, Han River ecotope, is directly connected to the quality and quantity of national Route water intaking, is related to capital, the safe drinking water problem of Tianjin people regional and along the line and the harmony of society and stablizes.Due to the large ditch depth in mountain, two sides, Han River, natural abrupt slope and artificial productive life activity, cause severe water and soil erosion, soil layer is barren, danger spot rock is exposed, and land occupation condition is poor, and vegetation is rare, ecotope is poor, and artificial afforestration difficulty is large, adopts conventional afforestation technology afforestation survival rate and retention rate low.
Although the ecological managements such as afforestation are repeatedly carried out in locality, but be conventional " a hoe method " afforestation technology due to what mainly adopt, afforestation survival rate and retention rate is low, result in afforestation every year and lose woods, part location still barren land is exposed, forest coverage is only 19.46%, and forest coverage is less than 1/3rd of whole city's forest coverage 60.2%.To protect according to Ankang City water Monitoring Data in recent years of standing to show: safe and comfortable Hanjiang River water and soil balance modulus is 4086 tons/square kilometre. in year, the annual Han River quantity of sand and mud that flows into reaches more than 6,100 ten thousand tons.Repeatedly mud-stone flow disaster occurs in history, cause a large amount of house collapse, highway to be ruined, personnel death and missing phenomenon, cause massive losses to the lives and properties of the riverine people.
Summary of the invention
Object of the present invention is just to provide the method for the littoral Difficult site afforestation in a kind of Han River, and it can effectively solve the problem, and realizes the afforestation in littoral difficult forest land, Han River, accelerates littoral revegetation.
For achieving the above object, present invention employs following technical scheme:
A method for the littoral Difficult site afforestation in Han River, is characterized in that: comprise the selection of seeds of planting, whole ground and plant.
Be specially:, stony cut slope, soil layer barren region exposed for rock, the seeds of planting chosen are arbor-vitae, Chinese pistache, oak class, masson pine; Blast seed bed preparation method is adopted to carry out wholely;
Soil thickness is reached to the hillside fields of more than 60cm, the seeds of planting chosen are Chinese chestnut, walnut, oranges and tangerines, loquat; Fish scale pit method of soil preparation carries out wholely.
The method of planting is: scratch outside nutritive cube, nutritive cube is taken off, yongyangmo is put into the planting hole after whole good backfill, backfill mellow soil, when backfill soil reaches 2-3cm above seedling-nourishing soil, nursery stock surrounding stands solid with their feet and the 10-15kg that waters, and is dipped under water when seedling base portion soil is not touched with one's hand and covers with mulch film.Mulch film is (long × wide: 80cm × 80cm) to crack along any mid point to center, central punch, after planting of plants, parting is sprawled around tree, make centre bore along leaving 1-2cm gap with bark, cover pressure with soil after seam alignment, it is real that mulch film surrounding builds soil pressure, forms high, the middle low water storage type tree dish of surrounding.
Before planting, by soluble in water for green plant growth regulator GGR6, mix a certain amount of fine earth waddy and stir formation thin mud, carry out the process of root system leaching root to bareroot seedling wood, the leaching root time is 0.5-2 hour.
The concrete operations of blast seed bed preparation are: the borehole beating dark 80cm at the planting point preset, the nitrolite of 250g is loaded on bottom borehole, the detonator of band 90cm long fuse cord is put into when explosive payload reaches 2/3, after explosive installs, borehole tamping is carefully filled with clay, fuse cord top is allowed to basset 10cm, safety zone is entered rapidly after lighting fuse cord, can blast after explosion one dark in 0.8m, diameter is the empty slag cave of 1.0-1.5m, shoveled out by empty slag according to planting pit specification, gravelstone indignation is in the extension in hole, to plant nursery stock after selecting mellow soil to backfill in strange land.
The concrete operations on whole ground, fish scale pit are: domaticly dig circular or square hole along contour from top to bottom, be arranged in " product " shape, when digging pit, first table soil is put aside, train cubsoil in outer, fish scale pit by inner method of cutting outer pad, the height on the ridge, outer is 20-30cm, then will show earthen backfill 25-30cm again, on stay 10-15cm, prepare to plant.
Use said method to carry out Difficult site afforestation, effectively can improve the survival rate of nursery stock, realize growing into forest fast, improve the ecological environment.
Embodiment
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is specifically described.Should be appreciated that following word only in order to describe one or more concrete embodiments of the present invention, considered critical is not carried out to the protection domain that the present invention specifically asks.
Be specifically described for the afforestation of the Difficult site of safe and comfortable Han River bank below.
By to the investigation of the littoral self-sow in Han River and tame Tree Species Resources and experiment and demonstration, select the advantage reproducting tree species being suitable for the littoral different site cultivation in Han River.That is: soil layer is very thin, rock is exposed, stony cut slope district, mainly selects: the seeds such as arbor-vitae, Chinese pistache, oak class, masson pine; Soil layer is mainly selected in the hillside fields of more than 60cm: the seeds such as Chinese chestnut, walnut, oranges and tangerines, loquat.
Seedling is the basis of afforestation, and breeding is equipped with good method just can obtain best afforestation effect.Littoral natural vegetation is rare in Han River, and land occupation condition is poor, and the operation of rock open ground and tending management difficulty, soil layer is barren, and soil nutrient content is low, and plant growth is slow.By to different size nursery stock multiple spot repeated test, determine the quality standard of different cultivars nursery stock Han River bank afforestation.Concrete Seedling Criterion is in table 1:
Table 1 seeds seedling quality specification standards
In order to accelerate the littoral ecological management paces in Han River, planting density is the key factor of vegetative coverage ground elapsed time and speed, and density is also affect plant population's structure, forest form rationally whether key.Therefore, by the experiment and demonstration to rational close planting technology, determine Han River littoral different site seeds planting density, as shown in table 2:
The littoral planting density table in the safe and comfortable Han River of table 2
| Seeds | Seeding row spacing (rice) | Density (plant/acre) |
| Walnut | 4×5 | 33 |
| Chinese chestnut | 3×3 | 74 |
| Citrus | 2×3 | 110 |
| Loquat | 3×4 | 56 |
| Arbor-vitae | 2×3 | 110 |
| Masson pine | 2×2 | 167 |
Entire technique
Blast seed bed preparation: a kind of method of blast seed bed preparation and small pit goaf blast seed bed preparation, the clay that easily harden poor mainly for the gas permeability of soil with the stony cut slope afforestation such as rock is exposed.Concrete steps and main points: one, at the planting point blast hole drilling that planning and designing are good, with drill rod or earth boring auger at the borehole of place's cutter dark 80cm that plants seedlings; Two, explosive is installed, by the nitrolite (NH of 250g
4nO
3) be loaded on bottom borehole, put into the detonator of band 90cm long fuse cord when explosive payload reaches 2/3, after explosive installs, carefully fill borehole tamping with clay, allow fuse cord top basset 10cm; Three, ignite, enter safety zone rapidly after lighting fuse cord, 5-6 borehole can be lighted at every turn; Four, slag tap, can blast after explosion one dark in 0.8m, diameter is the empty slag cave of 1.0-1.5m, is shoveled out by empty slag according to planting pit specification, and gravelstone indignation is in the extension in hole, plants after selecting mellow soil to backfill nursery stock in strange land.Experiment shows: three demonstration pilot project average survivals that littoral soil layer was barren in Han River, rock exposed on the spot difficult region employing blast seed bed preparation afforestation technology plants Arborvitae spring in 2004 are 95.7%, comparatively contrast 64.3% of (a hoe method), improve 31.4%, average storage rate is 92.7%, and comparatively contrast 28.3% improves 64.4%; Adopt plant three demonstration pilot project average survivals of oranges and tangerines seedling of blast seed bed preparation afforestation technology to be 97.7% on the gentle slope of more than soil layer 30cm, comparatively contrast 64.3% improves 25.4%, and average storage rate is 93.8%, and comparatively contrast 53.7% improves 40.1%.
Blast seed bed preparation technology is applied in afforestation, solve that soil layer is barren, ventilative, bad hydraulic permeability, easily to harden the low clay ground of soil organic matter content or stony cut slope afforestation and soil preparation difficulty or cannot wholely, nursery stock takes root difficulty, drought resisting cold tolerance is poor, the problems such as survival rate, storage rate are low, and define key technology, the main component of explosive is ammonium nitrate simultaneously, add the content of Nitrogen In Soils, can be used as fertilizer.
Fish scale pit is wholely: be applicable to soil thickness on ground, the gentle slope of more than 60cm, on domatic from top to bottom along contour by long × wide × deeply for 60cm × 60cm × 50cm digs circular or square hole, be arranged in " product " shape, when digging pit, first table soil is put aside, then by inner method of cutting outer pad, cubsoil is trained in outer, fish scale pit, the height on the ridge, outer is 20-30cm, then will show earthen backfill about 25-30cm, above stay 10-15cm, and prepare to plant.
Experiment shows: spring in 2004 littoral more than the soil layer 30cm in Han River gentle slope adopt prepare for afforestation technology plant three demonstration pilot project average survivals of oranges and tangerines seedling in fish scale pit to be 94.3%, comparatively contrast 64.3% improves 22%, average storage rate is 90.7%, and comparatively contrast 53.7% improves 37%.
Employing nutrition pot seedling is afforested: method of forestation is, when planting, scratches with blade by outside nutritive cube, is then taken off by nutritive cube gently, is strictly on guard against that Nutrition Soil is separated with shoot root, yongyangmo is put into the planting hole after whole good backfill, then backfills mellow soil.Backfill soil reaches 2-3cm above seedling-nourishing soil, and nursery stock surrounding stands solid with their feet and the 10-15kg that waters, and is dipped into seedling base portion soil under water when not touching with one's hand, with the plastic mulching cut out.No matter needle or broad-leaved tree, adopts nutrition pot seedling afforestation, as long as it is correct to plant, one time survival rate can reach more than 95%, and annual pay tip amount of growth on average improves 14.1cm.
Before afforestation, green plant growth regulator GGR6 is directly soluble in water, mix a certain amount of fine earth waddy and stir formation thin mud, the process of root system leaching root is carried out to bareroot seedling wood, concentration for transplanted seedling tree is generally 25-50ppm, and leaching root time general species is 0.5-2 hour.Every gram of GGR6 green plant growth regulator process nursery stock quantity is determined according to seedling root size, about 1-2 raw seedlings process 500 strain, about annual seedling process 2000 strain.To plant in a large number bareroot seedling wood, when using GGR6 mud leaching root process, interim fermentation vat can be excavated on the spot, the wide general 1.0-1.2m in pond, long 5-10m, dark 50cm.After fermentation vat digs, tamp at the bottom of surrounding and pond, the end, spreads thick plastic film and gets final product water filling, puts medicine, mixes slurry use.Through investigation, with after GGR green plant growth regulator process seedling root before naked-root planting, both supplemented nursery stock to take root required endogenous hormones and exogenous hormone, supplement again nursery stock moisture content, Afforestation Effects is remarkable, generally can improve survival rate more than 20%, seedling growth amount also significantly improves simultaneously.After particularly oranges and tangerines and loquat bareroot seedling do leaching root process with GGR6 before planting, effect is more remarkable, and survival rate generally can improve more than 31.9%, nursery stock year shoot length also significantly improve.
The littoral rock in Han River is exposed, and slope is steep, and soil layer is barren, soil natural ability of retaining and conserveing soil moisture is weak, and natural precipitation runs off again seriously, and difficulty of manually watering is large, in addition, safe and comfortable Winter-Spring, dry season occur often, and this is one of major reason that the littoral afforestation survival rate and retention rate in Han River is low.Adopt plastic mulching afforestation technology, can soil water evaporation be reduced on the one hand, do not affect rainwater infiltration again simultaneously, tree dish soil moisture content 20-30% can be increased.On the other hand, autumn and winter and early spring also can improve ground temperature 0.8-1.2 DEG C, thus are conducive to forest and survive and grow.According to investigations, application plastic mulching afforestation, generally can improve more than survival rate 15-20% separately.
The method of plastic mulching afforestation is the square (or buying finished product) first agricultural mulching being cut into length of side 60-80cm, crack along any mid point on one side to center, central punch, after planting of plants, parting is sprawled around tree, makes centre bore along leaving 1-2cm gap with bark, covers pressure after seam alignment with soil, it is real that mulch film surrounding builds soil pressure, and formation surrounding is high, the water storage type tree dish of middle low (i.e. high outside and low outside pot bottom-shape).
Table 3 utilizes the method that the invention provides and a hoe method on the spot to carry out the results contrast of planting trees in two sides, Han River.
The result of table 3 the present invention and a hoe method afforestation
Found by the afforestation technology pattern contrast under different soil, different condition area of three test sites, the performance degree difference of every afforestation technology in survival rate and storage rate is obvious, concrete order is " fish scale pit wholely+nutrition pot seedling+plastic mulching " > " whole ground, fish scale pit+GGR6 processes bareroot seedling+plastic mulching " > " a hoe method ", illustrate that these two kinds comprehensive afforestation technology patterns are suitable for applying under Difficult site condition, and land occupation condition is better, effect is more remarkable.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; to know in the present invention after contents; under the premise without departing from the principles of the invention; can also make some equal conversion to it and substitute, these convert on an equal basis and substitute and also should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a method for the littoral Difficult site afforestation in Han River, is characterized in that: comprise the selection of seeds of planting, whole ground and plant.
2. the method for the littoral Difficult site afforestation in Han River according to claim 1, is characterized in that:
, stony cut slope, soil layer barren region exposed for rock, the seeds of planting chosen are arbor-vitae, Chinese pistache, oak class, masson pine;
Soil layer is reached to the hillside fields of more than 60cm, the seeds of planting chosen are Chinese chestnut, walnut, oranges and tangerines, loquat.
3. the method for the littoral Difficult site afforestation in Han River according to claim 1, is characterized in that:
, stony cut slope, soil layer barren region exposed for rock, adopts blast seed bed preparation method to carry out wholely;
Soil layer is reached to the hillside fields of more than 60cm, fish scale pit method of soil preparation carries out wholely.
4. the method for the littoral Difficult site afforestation in the Han River according to claim 1 or 2 or 3, it is characterized in that, the method of planting is: scratch outside nutritive cube, nutritive cube is taken off, yongyangmo is put into the planting hole after whole good backfill, backfill mellow soil, when backfill soil reaches 2-3cm above seedling-nourishing soil, nursery stock surrounding stands solid with their feet and the 10-15kg that waters, and is dipped under water when seedling base portion soil is not touched with one's hand and covers with plastic mulching.
5. the method for the littoral Difficult site afforestation in Han River according to claim 4, it is characterized in that, the method of planting is: cracked along any mid point to center by mulch film block, central punch, after planting of plants, parting is sprawled around tree, make centre bore along leaving 1-2cm gap with bark, cover pressure with soil after seam alignment, it is real that mulch film surrounding builds soil pressure, forms high, the middle low water storage type tree dish of surrounding.
6. the method for the littoral Difficult site afforestation in Han River according to claim 4, it is characterized in that, the method of planting is: before planting, by soluble in water for green plant growth regulator GGR6, mix a certain amount of fine earth waddy and stir formation thin mud, carry out the process of root system leaching root to bareroot seedling wood, the leaching root time is 0.5-2 hour.
7. the method for the littoral Difficult site afforestation in Han River according to claim 3, it is characterized in that, the concrete operations of blast seed bed preparation are:
The borehole of dark 80cm is beaten at the planting point preset, the nitrolite of 250g is loaded on bottom borehole, the detonator of band 90cm long fuse cord is put into when explosive payload reaches 2/3, after explosive installs, borehole tamping is carefully filled with clay, fuse cord top is allowed to basset 10cm, safety zone is entered rapidly after lighting fuse cord, can blast after explosion one dark in 0.8m, diameter is the empty slag cave of 1.0-1.5m, shoveled out by empty slag according to planting pit specification, gravelstone indignation is in the extension in hole, to plant nursery stock after selecting mellow soil to backfill in strange land.
8. the method for the littoral Difficult site afforestation in Han River according to claim 3, it is characterized in that, the concrete operations on whole ground, fish scale pit are: domaticly dig circular or square hole along contour from top to bottom, are arranged in " product " shape, when digging pit, first table soil is put aside, train cubsoil in outer, fish scale pit by inner method of cutting outer pad, the height on the ridge, outer is 20-30cm, then will show earthen backfill 25-30cm again, on stay 10-15cm, prepare to plant.
9. the method for the littoral Difficult site afforestation in Han River according to claim 2, it is characterized in that, the specification of seeds of planting is
10. the method for the littoral Difficult site afforestation in Han River according to claim 9, it is characterized in that, the planting density of seeds of planting is:
。
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823804A (en) * | 2015-05-26 | 2015-08-12 | 河北省林业科学研究院 | Method for Chinese pine seedling cultivation and afforestation in dry and stony sunny slope |
| CN105230429A (en) * | 2015-10-30 | 2016-01-13 | 何琳瑜 | Mountain german oak, cork oak biomass energy forest planting method |
| CN106508577A (en) * | 2016-11-14 | 2017-03-22 | 包头大青山自然保护区天龙生态抗旱植物研究所 | Rocky barren hill afforestation method |
| CN108812166A (en) * | 2018-05-25 | 2018-11-16 | 国有济源市南山林场 | A kind of fish-scale pit preparations for afforestation method |
| CN110230311A (en) * | 2019-07-17 | 2019-09-13 | 华北水利水电大学 | A kind of shake stone fish-scale pit and its method of construction for Rocky Desertification Region improvement |
| CN112243784A (en) * | 2020-10-22 | 2021-01-22 | 承德京城矿业集团有限公司 | Method for afforestation by drilling foreign soil on safety bench of surface mine and elm thereof |
| CN114342731A (en) * | 2022-02-24 | 2022-04-15 | 李玉平 | Green stone mountain area arborvitae afforestation method |
| CN115316187A (en) * | 2022-09-09 | 2022-11-11 | 湖北省林业科学研究院 | Method for controlling rock desertification of Yangtze river basin region by using platycladus orientalis |
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2014
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104823804A (en) * | 2015-05-26 | 2015-08-12 | 河北省林业科学研究院 | Method for Chinese pine seedling cultivation and afforestation in dry and stony sunny slope |
| CN105230429A (en) * | 2015-10-30 | 2016-01-13 | 何琳瑜 | Mountain german oak, cork oak biomass energy forest planting method |
| CN106508577A (en) * | 2016-11-14 | 2017-03-22 | 包头大青山自然保护区天龙生态抗旱植物研究所 | Rocky barren hill afforestation method |
| CN108812166A (en) * | 2018-05-25 | 2018-11-16 | 国有济源市南山林场 | A kind of fish-scale pit preparations for afforestation method |
| CN110230311A (en) * | 2019-07-17 | 2019-09-13 | 华北水利水电大学 | A kind of shake stone fish-scale pit and its method of construction for Rocky Desertification Region improvement |
| CN112243784A (en) * | 2020-10-22 | 2021-01-22 | 承德京城矿业集团有限公司 | Method for afforestation by drilling foreign soil on safety bench of surface mine and elm thereof |
| CN114342731A (en) * | 2022-02-24 | 2022-04-15 | 李玉平 | Green stone mountain area arborvitae afforestation method |
| CN115316187A (en) * | 2022-09-09 | 2022-11-11 | 湖北省林业科学研究院 | Method for controlling rock desertification of Yangtze river basin region by using platycladus orientalis |
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Application publication date: 20150325 |