CN101049075A - Method for breeding broad leaf forest for scenery from youngling cut trunk - Google Patents
Method for breeding broad leaf forest for scenery from youngling cut trunk Download PDFInfo
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- CN101049075A CN101049075A CN 200710068459 CN200710068459A CN101049075A CN 101049075 A CN101049075 A CN 101049075A CN 200710068459 CN200710068459 CN 200710068459 CN 200710068459 A CN200710068459 A CN 200710068459A CN 101049075 A CN101049075 A CN 101049075A
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- broad
- leaved
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Abstract
A trunk truncating method for culturing the young broad-leaf trees to build a scenery forest features that the crown of each young tree is truncated to retain a lower trunk with 150-300 cm in height, 3-5 branches are retained, and the pruned tree is cultured for 1-2 years.
Description
Technical field
The present invention relates to the dried breeding method that cuts of trees, section dried cultivation method that especially a kind of broad-leaved landscape treelet is improved the quality and is worth.
Background technology
In the woody plant cultivation, rarely have with cutting drying method.
In the trees afforestation, the minority seeds have to adopt and cut drying method, as paulownia and sassafras afforestation, can all clip acrial part.In order that reduce the nursery stock water evaporates, improve the plantation survival rate.
The tea tree deep pruning is also wiped out acrial part, in order that make veteran upgrade rejuvenation, forms new plant.It is to liking aged tea tree.
Application for a patent for invention number 2004100182699 " a kind of Folium llicis Latifoliae method for cultivating seedlings " are cut dried content in person.This patent is meant ground, garden nursery stock 1/3 taper is cut off, to promote the nursery stock balanced growth.
In the fruit growing, will cut when shaping sometimes and do, this is in order to mould short form tree crown, is not that original tree crown is all cut out.
Part broad-leaved amenity forest treelet in seedlings are transplanted and afforested, for various reasons, causes seedlings to exceed the time limit to cultivate, and treelet is prematurely senile, and density is excessive, growth retardation, degradation problem under the quality.
In the big transplantation of seedlings of broad-leaved landscape tree or afforestation were planted, for various reasons, the cultivation that causes exceeding the time limit, canopy, density were bigger than normal, though only 5～10 years treelet age, prematurely senile, quality descends, and influences transplanting.
Summary of the invention
The technical assignment of technical problem to be solved by this invention and proposition is at part broad-leaved amenity forest treelet, in seedlings are transplanted and afforested, for various reasons, cause seedlings to exceed the time limit to cultivate, treelet is prematurely senile, and density is excessive, growth retardation, degradation problem under the quality provides the dried breeding method that cuts of a kind of broad-leaved amenity forest treelet, to improve the treelet photoenvironment, promote to form new tree crown, the vigor of renewing one's youth is accelerated growth rate, improves the treelet quality.For this reason, the present invention is by the following technical solutions:
Section dried breeding method of broad-leaved amenity forest treelet is characterized in that cutting dried to 5～10 years living broad-leaved amenity forest treelets: clip trunk top and tree crown thereof, keep trunk height 150～300cm.
Described broad-leaved amenity forest treelet cut dried breeding method, it is characterized in that this amenity forest treelet cut do after, when rudiment then, stay and support 3～5 coppice shoots, unnecessary rudiment is erased.
Described broad-leaved amenity forest treelet cut dried breeding method, it is characterized in that cutting a dry season, broad leaved and deciduous broad leaved tree kind is in trees resting stages, evergreen broad-leaved tree kind spring resin flow, in the firm rudiment.
Described broad-leaved amenity forest treelet cut dried breeding method, it is characterized in that section is with wrappings such as plastic films.
Described broad-leaved amenity forest treelet cut dried breeding method, it is characterized in that cutting doing and will execute heavyly fertile 1～2 time then, strengthen cultivating and managing work.
Section dried breeding method of described broad-leaved amenity forest treelet is characterized in that staying 3～5 foster coppice shoots below section.
The present invention cuts dried breeding method, is a kind of distinctive section dried breeding method of broad-leaved amenity forest treelet, and cuts drying method in the past and has obviously different:
1. cut and do the age difference: the amenity forest treelet of this patent cuts and does the age is 5～10 years; Other trees are not done to cut at this age bracket and do, and only limit to following nursery stock childhood in 2 ages;
2. cut dried asynchronism(-nization): this patent to cut dried be in the forest land or the garden ground nurturing period, general trees cut and do then in the afforestation plantation;
3. cut dried aim difference: the dried purpose of cutting of this patent is to improve forest land printing opacity environment, recovers the youthful vigor of young growth, becomes useless woods and is useful tree.The dried purpose of cutting of other trees mostly is the raising survival rate or promotes the nursery stock balanced growth.
Section dried breeding method of patent of the present invention---a kind of broad-leaved amenity forest treelet has following advantage:
1. can make prematurely senile young growth, the vigor of renewing one's youth is and appears life;
2. young growth illumination abundance, it is vigorous to grow, and diameter of a cross-section of a tree trunk 1.3 meters above the ground year increment increases by 16～31%;
3. the young growth plant can continue growth in the original place, is suitable for thin planting to be transplanted again;
4. the survival rate comparison is according to improving 21～43%.
5～10 years living treelets of broad-leaved amenity forest, owing in time do not foster and thin planting, density is bigger than normal, branch is thin and delicate, is the closing state; The greenery layer is thin and shift to the trunk top, and leaf-area coefficient and tree crown coefficient of lighting level off to 1, and the photosynthesis function is poor; Young growth is prematurely senile, growth retardation.General knowledge is told us: photosynthesis plays decisive action to plant growing and output.In growing process, 90～95% dry matter has only 5～10% from photosynthesis, and the nutrient that absorption comes from soil constitutes.After implementing to cut dried technology, the young growth tree crown is only stayed the treelet trunk by all amputation, just is under the environment of full sun, and the following rudiment of section is shot up, and forms new tree crown.Through 1～2 year cultivating and managing, the tree crown coefficient of lighting can reach about 3.Thereby improved the photosynthesis optical energy utilization efficiency of young growth greatly, promoted that effectively young growth grows up fast.
Description of drawings
Fig. 1: cut the broad-leaved amenity forest treelet before doing.
Fig. 2: cut the broad-leaved amenity forest treelet after doing.
Among the figure: 1-tree crown, 2-cut does place, 3-trunk.
Embodiment
Embodiment one
Cutting of 10 years living young growths of fragrant camphor tree (C.camphora) done cultivation.
1. the fragrant camphor tree transplant of treelet overview, life in 10 years, 1 mu of area, 200 strains.5 meters of the average height of trees, diameter of a cross-section of a tree trunk 1.3 meters above the ground 7.5cm.Crown density 0.9,3.5 meters of clear bole heights.
2. cut and done, during fragrant camphor tree rudiment, clip trunk top and tree crown, keep 3 meters of trunk heights in early April.Section plastic film package.
3. coppice shoot stays and supports after cut doing autumn then, and every strain cuts to be done tree and keep 3～5 of healthy and strong coppice shoots, and unnecessary is wiped out.
4. fertilising cuts to do and wants Shi Chongfei then, divides to apply for 2 times; Fertilising in the 2nd year 1 time.
5. cultivating and managing is with general fragrant camphor tree young growth.
Present embodiment was cultivated 2 years continuously through cut doing the back, and the diameter of a cross-section of a tree trunk 1.3 meters above the ground is slightly compared according to increasing by 16%, and the young sprout aspect ratio contrasts and increases 30.5%; The survival rate comparison is high by 43% according to 1 (do not cut to do and afforest), and comparison exceeds 21% according to 2 (without the dried afforestation of cutting of cultivating).
Embodiment two
Yulan magnolia (M.denudata) is transplanted the treelet of growing directly from seeds 5 ages and is cut to do and cultivate.
1. the life in 5 years of overview yulan magnolia is grown directly from seeds and is transplanted treelet, 1 mu of area, 1000 strains.3.1 meters of average heights, collar 3cm, crown density 0.85,, 2.1 meters of clear bole heights.
2. do December so cut, yulan magnolia is clipped top trunk and tree crown between resting stage, keeps 1.8 meters of trunk height.Section seals with the Polypropylence Sheet wrapping.
3. coppice shoot stays and supports after cut doing June then, and every strain keeps 3 of healthy and strong coppice shoots, and unnecessary is cut off.
4. fertilising is with embodiment one.
5. cultivating and managing is with common white yulan young growth.
This yulan magnolia sapling thicket cuts and does the back and through cultivation in 2 years, be used for transplanting afforestation.Diameter of a cross-section of a tree trunk 1.3 meters above the ground comparison is according to increasing by 17% at that time, and the aspect ratio contrast increases 28%; The survival rate comparison is according to 1 (cut and do afforestation) raising 41%, and comparison exceeds 23% according to 2 (without the dried afforestation of cutting of cultivating).
Note:
1. tree crown light-receiving area tree crown periphery (surface) area of exposing to sunlight.
2. the ratio of tree crown coefficient of lighting tree crown light-receiving area and land area.Available following formula is represented:
R＝As/al
Wherein R-is the tree crown coefficient of lighting, As-tree crown light-receiving area, al-land area.
Claims (6)
1, section dried breeding method of broad-leaved amenity forest treelet is characterized in that cutting dried to 5～10 years living broad-leaved amenity forest treelets: clip trunk top and tree crown thereof, keep trunk height 150～300cm.
2, broad-leaved amenity forest treelet according to claim 1 cut dried breeding method, it is characterized in that this amenity forest treelet cut do after, when rudiment then, stay and support 3～5 coppice shoots, unnecessary rudiment is erased.
3, broad-leaved amenity forest treelet according to claim 1 and 2 cut dried breeding method, it is characterized in that cutting a dry season, broad leaved and deciduous broad leaved tree kind is in trees resting stages, evergreen broad-leaved tree kind spring resin flow, in the firm rudiment.
4, broad-leaved amenity forest treelet according to claim 1 and 2 cut dried breeding method, it is characterized in that section is with wrappings such as plastic films.
5, broad-leaved amenity forest treelet according to claim 1 and 2 cut dried breeding method, it is characterized in that cutting doing and will execute heavyly fertile 1～2 time then, strengthen cultivating and managing work.
6, section dried breeding method of broad-leaved amenity forest treelet according to claim 1 and 2 is characterized in that staying 3～5 foster coppice shoots below section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710068459 CN101049075A (en) | 2007-05-09 | 2007-05-09 | Method for breeding broad leaf forest for scenery from youngling cut trunk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710068459 CN101049075A (en) | 2007-05-09 | 2007-05-09 | Method for breeding broad leaf forest for scenery from youngling cut trunk |
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| Publication Number | Publication Date |
|---|---|
| CN101049075A true CN101049075A (en) | 2007-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710068459 Pending CN101049075A (en) | 2007-05-09 | 2007-05-09 | Method for breeding broad leaf forest for scenery from youngling cut trunk |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103598060A (en) * | 2013-11-27 | 2014-02-26 | 广西壮族自治区林业科学研究院 | Alstonia scholaris propagation method with big tree trunks cut |
| CN114946309A (en) * | 2022-06-10 | 2022-08-30 | 南开大学 | Method for improving carbon sequestration efficiency of artificial forest land |
-
2007
- 2007-05-09 CN CN 200710068459 patent/CN101049075A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103598060A (en) * | 2013-11-27 | 2014-02-26 | 广西壮族自治区林业科学研究院 | Alstonia scholaris propagation method with big tree trunks cut |
| CN114946309A (en) * | 2022-06-10 | 2022-08-30 | 南开大学 | Method for improving carbon sequestration efficiency of artificial forest land |
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Open date: 20071010 |