CN100337527C - Film coat drought defying and tillage afforestation method for Pinus Sylvestris var sands - Google Patents
Film coat drought defying and tillage afforestation method for Pinus Sylvestris var sands Download PDFInfo
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- CN100337527C CN100337527C CNB031337384A CN03133738A CN100337527C CN 100337527 C CN100337527 C CN 100337527C CN B031337384 A CNB031337384 A CN B031337384A CN 03133738 A CN03133738 A CN 03133738A CN 100337527 C CN100337527 C CN 100337527C
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- pinus sylvestris
- mongolica
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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
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- 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
The present invention relates to a sand afforestation technology, more specifically a film coat drought resistant and tillage afforestation method for Pinus Sylvestris var sand. A Plastic film of which the specification is from 0.5*0.5 to 1.0*1.0 m is laid on the surface of the backfill soil around the root crown of seedlings after the seedlings are planted. The present invention has the following advantages: the application range is wide, and the practicability is good; after the surface is coated with the film, the present invention reduces the evaporation of the soil moisture around the root crown of the seedlings, enhances the soil moisture at the surface of the soil, is favorable for the growth of the root system of the seedlings, promotes the growth of the plant above the ground, and is favorable for the seedlings to collect and absorb the natural rainfall and the surface runoff. The livability of the afforestation can be enhanced by 25 to 30 %.
Description
Technical field
The present invention relates to the sand ground afforestation technology, specifically a kind of pinus sylvestris var. mongolica sand ground overlay film drought resisting prepare for afforestation method.
Background technology
Pinus sylvestris var. mongolica (Pinus sylvestris mongolica Litv) is as the geographical variety of Lapland pine (Pinus sylvestrisL.), the natural distributed district is in the area, Hulun Buir in Daxing'an Mountainrange, belong to Daxing'an Mountainrange zonality forest cover, be one of important reproducting tree species in China northeast and Inner Mongol area, pinus sylvestris var. mongolica has stronger cold-resistant, drought-enduring, anti-blown sand, good characteristic such as barren-resistant, is that the chief species of forests for windbreak and sand-fixation, farmland, grassland shelter forest, soil and water conservation forest and timber forest are built in the semiarid dust storm of northern China area; But in arid, semiarid desertization area, owing to be subjected to the influence of weather arid, windy and a little arid, the various adverse circumstances factors such as wind erosion desertification etc., survival rate and storage rate after the pinus sylvestris var. mongolica afforestation are lower, cause the situation that presents in the present sand ground revegetation process with shrub and broad-leaved arbor (mainly being based on willow), coniferous tree kind rareness.Past, traditional pinus sylvestris var. mongolica afforestation mode was, adopted biennial pinus sylvestris var. mongolica seedling in the bare-rooted planting in spring, and afforestation back nursery stock rhizosphere surrounding soil water evaporates is very fast, is difficult to guarantee the normal physiological demand of seedling root to soil moisture; Particularly contain the phase on the occasion of dust storm spring, moisture in seedling and the soil have to go to the toilet than short-term reduce sharply few, cause the nursery stock withered death because of dehydration is too fast, therefore this pinus sylvestris var. mongolica sand ground afforestation mode can not produce effect preferably under arid, the regional abominable ecotope of semiarid dust storm, survival rate is lower.
Be to improve pinus sylvestris var. mongolica sand ground survival rate, accelerate to enlarge pinus sylvestris var. mongolica sand ground afforestation area, be necessary to improve traditional in the past camphor tree loose sand ground prepare for afforestation technology improve.
Summary of the invention
The object of the present invention is to provide a kind of root soil moisture that keeps planting seedlings, improve the pinus sylvestris var. mongolica sand ground overlay film drought resisting prepare for afforestation method of treelet survival rate.
For achieving the above object, the technical solution used in the present invention is:
Around the nursery stock collar after planting, be that the plastic film of 0.5 * 0.5～1.0 * 1.0m is tiled in the backfill soil face of land with specification.
The specification of described plastic film is preferably 0.8 * 0.8～1.0 * 1.0m; For suppress weeds, protect the retaining branch should rainy season the previous year of planting or autumn spot soil preparation, whole ground specification is: 50cm * 50cm～100cm * 100cm, dark 40-50cm; Described whole ground specification is preferably: 80cm * 80cm～100cm * 100cm; When whole ground of bench terrace, to level land by the terraced fields shape along the hilly upland contour, terrace width is 2-4m, carries out spot soil preparation on the terraced fields face of land; Give birth to seedlings for increasing survival rate, plant seedlings the 3-5 that preferably selects robust plant for use; The nursery stock specification is: more than the main root 20cm, and leading thread 0.5-1.0cm, height 20-50cm, terminal bud will perfect; When planting, plant in the center, cave after pinus sylvestris seedling sat slurry, set upright, root system is unfolded, and will tread after burying soil, treads the native face in back and is retained in the following 5cm in plane, cave～10cm place; Adopt pinus sylvestris var. mongolica overlay film drought resisting prepare for afforestation technology, its planting density can not be excessive, and planting density is with 625-825 strain/hm
2For good, plant spacing is preferably 3m * 4m or 4m * 4m;
Preferably the planting treelet is taked the freeze prevention measure of surviving the winter: carry out pinus sylvestris var. mongolica afforestation at the wind erosion sand ground, particularly in the fall after the afforestation, should pay attention to the treelet freeze prevention measure of surviving the winter; Before arriving general winter can to treelet earth up cover or around the treelet rhizome mulching straw, the gland of earthing up was again pushed aside when the late March sky warms until next year, when treelet begins rudiment, removed soil gradually and exposed terminal bud.
Choosing of afforestation time: in arid, semiarid zone, can afforest, wherein to afforest best spring in spring, rainy season and autumn; To take necessary safeguard measure after the autumn afforestation, prevent wind-engaging blow sand beat, livestock harm; Rainy season, afforestation will be planted at the cloudy day behind saturating rain, keep shoot root moistening at any time, was not exposed to the weather.
The present invention has following advantage:
1. survival rate height.Practice result shows, adopts the present invention to have significant effect to improving sand ground pinus sylvestris var. mongolica survival rate, compares with general conventional afforestation measure, and survival rate can improve 25-30%; The effect that overlay film prepare for afforestation technology in the pinus sylvestris var. mongolica treelet face of land can significantly improve survival rate mainly embodies three aspects:
1) table can reduce the evaporation of treelet rhizome surrounding soil moisture behind the overlay film; 2) improve topsoil humidity, help the treelet root system development, promote aerial growth; 3) be beneficial to treelet root system compiling and absorption to natural rainfall and rainwash.
2. applied widely.The present invention be directed to the semiarid desertization of northern China area owing to influenced by climatic factors such as dust storm and arid, cause the lower production of forestry practical problem of pinus sylvestris var. mongolica sand ground survival rate and storage rate, through experimental study for many years and demonstration, a kind of pinus sylvestris var. mongolica sand ground overlay film drought resisting prepare for afforestation technology that is intended to improve survival rate of proposition; Arid, semiarid desertification area be can be useful in, fixedly lowland, stone matter sand ground and sandy hilly upland etc. between sand ground, semifixed sand ground, mild dust storm ground, mound comprised.
3. practicality is good.For solving pinus sylvestris var. mongolica sapling up-growth phase soil moisture deficiency, being difficult to guarantee treelet root system normal development needs, cause withered this of overground part branch to influence the key issue that treelet survives, through experiment and demonstration research for many years, local spot soil preparation is proposed in conjunction with the supporting afforestation technology of face of land overlay film; It is that planting site is passed through spot soil preparation, after the seat of pouring water is starched the pinus sylvestris seedling of planting, and 1m around the rhizome of the treelet face of land
2Implement face of land overlay film measure in the scope, suppress the evaporation of soil moisture, help the treelet root system to the compiling and absorb of natural rainfall and rainwash, guarantee of absorption and the utilization of pinus sylvestris var. mongolica treelet to greatest extent, thereby make treelet tide over the seedling-slowing stage stage smoothly soil moisture.
Description of drawings
Fig. 1 is whole ground of bench terrace and partial thin film spot soil preparation schematic diagram.
Embodiment
In demonstration area, highland, western Yutian, sand ground ground, Horqin, (wherein local spot soil preparation is provided with spot soil preparation specification 100cm * 100cm in conjunction with the overlay film afforestation experiment, dark 40-50cm to take the Technology of Drought-resistant measure of whole ground of local overlay film spot soil preparation and local overlay film bench terrace; The cave-shaped prepare for afforestation test of bench terrace is positioned at Xia Fu village, demonstration area, highland, Yutian and breathes out bank hills, Hebei sand ground always.The cave-shaped whole ground of bench terrace specification horizontal width 2-4m, adjacent level terraced fields discrepancy in elevation 40-60cm, site-type is fixedly sand ground and hills sand ground), to carry out the pinus sylvestris var. mongolica Test on Resistance Drought Afforestation and demonstrate, the survival rate investigation result sees Table 1.
Specific operation process is as follows:
1. partial soil preparation: rainy season the previous year (or autumn) of planting spring whole ground, suppress weeds, protect the retaining branch, spot soil preparation specification: 100cm * 100cm, dark 40-50cm; The whole ground of bench terrace: level land by the terraced fields shape along the hilly upland contour, terrace width is 2-4m, carries out the spot soil preparation (see figure 1) on the terraced fields face of land;
2. tree planting: the seedlings of selecting robust plant for use; The nursery stock specification: more than the main root 25cm, leading thread 0.5-1.0cm, height 20-50cm, terminal bud is sound; With planting in the center, cave behind the pinus sylvestris seedling seat slurry, set upright, root system is unfolded.Will tread after burying soil, collar (treading the native face in back) will be retained in following 5cm place, plane, cave;
3. face of land overlay film: around the nursery stock collar after planting, the plastic film that with specification is 1.0 * 1.0m is cut off to interior thin film center point from side central authorities, is the center with the nursery stock collar, is tiled in the backfill soil face of land, mutually a little is overlapping on two limits cutting off, presses at film periphery earthing lid;
4. the freeze prevention measure of surviving the winter.
Table 1 pinus sylvestris var. mongolica sand ground overlay film drought resisting prepare for afforestation is to improving the effect of survival rate
| Land preparation mode | Supplementary measures | The nursery stock specification | Site-type | Planting density (m) | Survival rate (%) | |
| Landforms | Soil | |||||
| Spot soil preparation | Face of land overlay film does not have overlay film | 3 years 3 years | Fixing sand ground | Aeolian sandy soil vegetation cover degree 10% | 4×3 4×3 | 89.2 60.5 |
| The whole ground of bench terrace | Face of land overlay film does not have mulch film | 3 years 3 years | Hilly upland | Sandy loess does not have surface vegetation | 4m (spacing in the rows) | 92.1 62.0 |
Result of the test shows that overlay film prepare for afforestation technology in the face of land has significant effect to improving the pinus sylvestris var. mongolica seedling percent.Selecting to adopt face of land overlay film prepare for afforestation technology under the identical afforestation nursery stock condition, survival rate can not carried out under the overlay film situation of the face of land in identical prepare for afforestation mode up to 89.2%, and survival rate only has 60.5%, and difference is extremely remarkable.Bench terrace cooperates film coating technique, and pinus sylvestris var. mongolica treelet survival rate can not carried out under the overlay film situation of the face of land up to 92.1%, and survival rate only has 62.0%.
For finding out pinus sylvestris var. mongolica young growth area soil moisture dynamic, afforest and after two months the soil moisture content in the 50cm scope around the pinus sylvestris var. mongolica treelet root system is measured.The result shows, in the soil depth (20-40cm) that the main cloth of treelet root system divides, take the soil moisture content of face of land overlay film whole ground measure to reach 6.8%, and the soil moisture content of not carrying out face of land overlay film measure is 4.0%, only be face of land overlay film measure soil moisture content 60%.
Build 800 mu of pinus sylvestris var. mongolicas in experimental field, sand ground west area, Horqin, survival rate reaches more than 85%, has successfully solved the low key technical problem of Horqin sand ground pinus sylvestris var. mongolica survival rate for many years.
Claims (9)
1. pinus sylvestris var. mongolica sand ground overlay film drought resisting prepare for afforestation method is characterized in that: around the nursery stock collar after planting, be that the plastic film of 0.5 * 0.5～1.0 * 1.0m is tiled in the backfill soil face of land with specification.
2. by the described pinus sylvestris var. mongolica sand ground of claim 1 overlay film drought resisting prepare for afforestation method, it is characterized in that: the specification of described plastic film is 0.8 * 0.8～1.0 * 1.0m.
3. by the described pinus sylvestris var. mongolica sand ground of claim 1 overlay film drought resisting prepare for afforestation method, it is characterized in that: rainy season the previous year of planting or autumn spot soil preparation, whole ground specification is: 50cm * 50cm～100cm * 100cm, dark 40～50cm.
4. by the described pinus sylvestris var. mongolica sand ground of claim 3 overlay film drought resisting prepare for afforestation method, it is characterized in that: described whole ground specification is: 80cm * 80cm～100cm * 100cm.
5. by claim 3 or 4 described pinus sylvestris var. mongolica sand ground overlay film drought resisting prepare for afforestation methods, it is characterized in that: when whole ground of bench terrace, level land by the terraced fields shape along the hilly upland contour, terrace width is 2～4m, carries out spot soil preparation on the terraced fields face of land.
6. by the described pinus sylvestris var. mongolica sand ground of claim 1 overlay film drought resisting prepare for afforestation method, it is characterized in that: 3～5 years living seedlings that plant seedlings and select robust plant for use; The nursery stock specification is: more than the main root 25cm, and leading thread 0.5～1.0cm, height 20～50cm, terminal bud will perfect.
7. by the described pinus sylvestris var. mongolica sand ground of claim 1 overlay film drought resisting prepare for afforestation method, it is characterized in that: plant in the center, cave after will pinus sylvestris seedling sitting slurry, and will tread after burying soil, and tread the native face in back and be retained in the following 5cm in plane, cave～10cm place.
8. by the described pinus sylvestris var. mongolica sand ground of claim 1 overlay film drought resisting prepare for afforestation method, it is characterized in that: planting density 625～825 strains/hm
2, plant spacing 3m * 4m or 4m * 4m.
9. by the described pinus sylvestris var. mongolica sand ground of claim 1 overlay film drought resisting prepare for afforestation method, it is characterized in that: the planting treelet is taked the freeze prevention measure of surviving the winter.
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| CNB031337384A CN100337527C (en) | 2003-07-17 | 2003-07-17 | Film coat drought defying and tillage afforestation method for Pinus Sylvestris var sands |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115188A (en) * | 2019-04-27 | 2019-08-13 | 李志东 | A kind of five resistances afforestation matching method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384322C (en) * | 2005-12-31 | 2008-04-30 | 兰州市南北两山环境绿化工程指挥部 | Rainwater osmosis reversal root protection method |
| CN103651017A (en) * | 2012-09-24 | 2014-03-26 | 河北农业大学 | Method enabling pinus sylvestris seedlings to overwinter and prevent cold through soil covering |
| CN103583304A (en) * | 2013-10-17 | 2014-02-19 | 固镇县淮鸿灰天鹅养殖专业合作社 | Forestation method for fighting drought |
| CN104920138B (en) * | 2015-05-27 | 2017-07-07 | 广西壮族自治区林业科学研究院 | The method of nursery stock drought stress pretreatment before Southern Pine afforestation |
| CN105325260B (en) * | 2015-11-17 | 2018-07-03 | 新疆林科院造林治沙研究所 | Using naked seedling of Sandy shrubs mulberry in the method for sandy land in the arid area planting by stock and its special nursery stock plant feed unit |
| CN115005007B (en) * | 2022-07-12 | 2024-01-26 | 河北省塞罕坝机械林场(河北塞罕坝国家级自然保护区管理中心) | Seedling cultivation and forestation method for high-cold semiarid wind erosion desertification land |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87100539A (en) * | 1987-02-06 | 1987-09-09 | 张洪宝 | A kind of one kind of safeguarding tree planting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87100539A (en) * | 1987-02-06 | 1987-09-09 | 张洪宝 | A kind of one kind of safeguarding tree planting |
Non-Patent Citations (1)
| Title |
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| 海拉尔松（沙地樟子松）沙地造林技术 贾铁民等，呼伦贝尔学院学报，第1期 2003 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115188A (en) * | 2019-04-27 | 2019-08-13 | 李志东 | A kind of five resistances afforestation matching method |
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