CN113647287A - Method for planting phoebe bournei in forest gap on hilly and mountain land - Google Patents
Method for planting phoebe bournei in forest gap on hilly and mountain land Download PDFInfo
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- CN113647287A CN113647287A CN202110807184.2A CN202110807184A CN113647287A CN 113647287 A CN113647287 A CN 113647287A CN 202110807184 A CN202110807184 A CN 202110807184A CN 113647287 A CN113647287 A CN 113647287A
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Abstract
The invention discloses a method for planting a photinia fraseri in forest gaps on hilly and mountainous regions. The invention belongs to the technical field of afforestation. The technical effects achieved are as follows: the method disclosed by the invention overcomes the influence of strong illumination on the growth of the phoebe bournei caused by early afforestation of the phoebe bournei lawn and weak illumination on the late afforestation under the canopy, the formed forest window environment can provide certain shading conditions for the growth of seedlings in the young stage, sufficient illumination required by the late growth stage of the seedlings can be met, and the healthy, good and rapid growth of the phoebe bournei can be effectively promoted; the method is beneficial to exerting the population advantages and the edge advantages of the growth of the phoebe bournei, and the formed microclimate can effectively reduce the damage of severe weather to the growth of the phoebe bournei; the method of the invention can fully utilize the space of the forest land, limit the comprehensive cleaning of the forest and the soil preparation, maintain the water and the soil and be beneficial to the protection of the ecological environment.
Description
Technical Field
The invention relates to the technical field of afforestation, in particular to a method for planting a phoebe bournei in forest gaps on hilly and mountain areas.
Background
Phoebe bournei (Hemsl.) Yang is commonly called as a nanmu, and a special species in China belongs to evergreen broad-leaf large trees of Phoebe (Lauraceae) genus, and is used for mainly cultivating precious tree species in China and mainly protecting rare or endangered wild plants at the level II in China. The phoenix nankinensis is famous for precious materials, is compact and tough in material quality, is not easy to warp and crack, is easy to process, smooth in cut surface, beautiful in texture, aromatic and durable, and is a material for superior buildings and furniture.
Due to the huge economic value of the phoebe bournei, the wild resources of the phoebe bournei suffer from serious damage for a long time, and almost the phoebe bournei is exhausted. The development of artificial forests is vigorously carried out, so that the problem of shortage of phoebe bournei resources is solved, the demand of people on precious wood is met, and the development of artificial forests becomes urgent.
In recent years, the research on the artificial forest construction technology of the phoebe bournei in the hilly mountain areas is actively carried out in various places, but the forestation under the canopy and the forestation in the trail areas, which are mainly popularized and applied in the current production practice, have certain advantages and disadvantages: the afforestation survival rate is higher, the growth is fast and good in the first 4 years, but with the increase of crown canopy density of the upper layer of forest, the ground diameter grows slowly, the height-diameter ratio is increased, the trunk is slender, branches and leaves are sparse, the characteristics of the lower layer of the forest crown are provided, if the upper layer of forest is cut off, the production operation is difficult, and the contradiction between cutting and protection is difficult to solve; the later is bare land cultivation, the growth advantage of the trees at the early stage is not obvious due to strong illumination, the trees are slowly closed into the forest in the forest stand, the fertilization and tending years are prolonged, the management cost is higher, and when the trees meet the natural environment with severe climate, the trees are also affected by drought and frost, and the risk of afforestation failure is increased.
Disclosure of Invention
Therefore, the invention provides a method for planting a phoebe bournei in forest gaps on hilly and mountainous regions, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the method for planting the photinia fraseri in the forest gap on the hilly and mountainous regions comprises the step of manually forming a forest window for afforesting the photinia fraseri, wherein the step of manually forming the forest window comprises the step of manually forming a patch-shaped forest window or manually forming a strip-shaped forest window.
Further, the manual opening of the patch-shaped forest window comprises:
s100, expanding the hollow land and the trend of the hollow land to the periphery of the forest, and cutting off dead trees, weak trees and over-dense trees until the peripheral dominant trees are found;
s200, the shape of the forest gap is determined according to the forest stand condition, an irregular natural shape is formed, and the area of the forest gap is controlled to be 50m2To 300m2To (c) to (d);
step S300, the area exceeds 100m2The forest gap is provided with a compound forest gap;
and S400, uniformly distributing the forest gap, wherein the area of the forest gap is not required to break through 50% of the total area of the afforestation operation area.
Further, the hollow land in the forest in the step S100 refers to a land block which is overflowed, a land block which is artificially damaged, a land block which is cut by epidemic trees, and a land block which is missed by artificial wasteland afforestation.
Further, the compound forest gap in step S200 is to appropriately reserve a number of dominant trees with uniform distribution within the area range of the artificially opened forest gap.
Further, the distribution of the reserved plants is uniformThe uniform dominance tree is: 100m2To 200m25 to 10 plants of 200m are reserved in the forest gap2To 300m210 to 15 plants were kept in the forest gap.
Further, the manual strip forest gap that offers includes:
s500, selecting a low-yield forest mountain land with moderate canopy closure when a strip-shaped forest window is opened;
s600, the trend of the strip forest gap is in the north-south direction or in the horizontal direction;
s700, the strip width is 1 to 2 times of the average height of the forest trees around the forest gap, and the strip length is determined according to the terrain and forest stand conditions;
and S800, the width of the isolation belt is equal to or larger than the width of the forest window strip.
Further, the moderate canopy is: the canopy density is more than or equal to 0.2 and less than or equal to 0.7.
Furthermore, the artificial forest window afforestation adopts a full-reclamation land preparation mode, a cave land preparation mode or a block land preparation mode.
Furthermore, a full-reclamation land preparation mode is adopted for gentle lands or relatively flat and barren mountainous lands, and a hole land preparation mode or a block land preparation mode is adopted for slope lands or deep soil layers and fertile mountainous lands.
The invention has the following advantages:
1. the method disclosed by the invention overcomes the influence of strong illumination on the growth of the phoebe bournei in the early stage of forestation of the phoebe bournei lawn and weak illumination in the later stage of forestation under the canopy, the formed forest window environment can provide certain shading conditions for the growth of seedlings in the young stage, sufficient illumination required in the later stage of the growth of the seedlings can be met, and the healthy, good and rapid growth of the phoebe bournei can be effectively promoted.
2. The method is beneficial to exerting the population advantages and the edge advantages of the growth of the phoebe bournei, and the formed microclimate can effectively reduce the damage of severe weather to the growth of the phoebe bournei.
3. The method of the invention can fully utilize the space of the forest land, limit the comprehensive cleaning of the forest and the soil preparation, maintain the water and the soil and be beneficial to the protection of the ecological environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a flowchart of a method for planting a phoebe bournei in a forest gap on a hilly mountain land according to some embodiments of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, in the method for planting a phoebe bournei in forest gaps on hilly and mountain areas, the efficient cultivation of the phoebe bournei is realized by artificially setting forest windows for afforestation; the manual forest window opening comprises manual spot-shaped forest window opening and manual strip-shaped forest window opening.
As a preferred technical means, the spot-shaped forest window is manually opened, and is characterized in that the specific scheme is as follows:
(1) expanding towards the periphery according to the hollow land and the trend of the forest, and cutting off dead trees, weak trees and over-dense trees until the superior trees around are found.
Wherein, the hollow land in the forest refers to the land blocks which are excessively felled, the land blocks which are artificially damaged, the land blocks which are felled by epidemic trees and the missed land blocks which are artificially barren and forested.
(2) The shape of the forest gap is determined according to the forest stand condition, an irregular natural shape is formed, and the area of the forest gap is controlled to be 50m2To 300m2In the meantime.
(3) Area over 100m2The forest gap is provided with a compound forest gap.
Wherein, the compound forest gap means that a plurality of dominant trees which are uniformly distributed are properly reserved within the area range of the forest gap which is manually opened.
Preferably, the number of dominant trees with uniform distribution is reserved to be 100m2To 200m25 to 10 plants of 200m are reserved in the forest gap2To 300m210 to 15 plants were kept in the forest gap.
(4) The forest gap arrangement is as uniform as possible, and the area of the forest gap is not more than 50% of the total area of the afforestation operation area.
As a preferred technical means, the strip-shaped forest window is manually opened, and is characterized in that the specific scheme is as follows:
(1) the strip-shaped forest window is opened, and low-yield forest mountains with moderate canopy closure are selected.
Wherein moderate stasis is: the canopy density is more than or equal to 0.2 and less than or equal to 0.7.
(2) The strip-shaped forest gap is in the north-south direction or in the horizontal direction.
(3) The width of the strip is 1 to 2 times of the average height of the forest trees around the forest gap, and the length of the strip is determined according to the terrain and forest stand conditions.
(4) The width of the isolation belt is equal to or larger than the width of the forest window strip.
As a preferable technical means, a full-reclamation land preparation mode or a hole (block) shaped land preparation mode is adopted for artificial forest establishment and window afforestation.
Particularly, the land with gentle land or relatively flat and barren land is preferably prepared in a full reclamation way, and the land with deep slope or soil layer and fertile land is preferably prepared in a hole (block) way
The beneficial effects of the above alternative embodiment are:
(1) the method disclosed by the invention overcomes the influence of strong illumination on the growth of the phoebe bournei in the early stage of forestation of the phoebe bournei lawn and weak illumination in the later stage of forestation under the canopy, the formed forest window environment can provide certain shading conditions for the growth of seedlings in the young stage, sufficient illumination required in the later stage of the growth of the seedlings can be met, and the healthy, good and rapid growth of the phoebe bournei can be effectively promoted.
(2) The method is beneficial to exerting the population advantages and the edge advantages of the growth of the phoebe bournei, and the formed microclimate can effectively reduce the damage of severe weather to the growth of the phoebe bournei.
(3) The method of the invention can fully utilize the space of the forest land, limit the comprehensive cleaning of the forest and the soil preparation, maintain the water and the soil and be beneficial to the protection of the ecological environment.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.
Claims (9)
1. A method for planting a photinia bournei in forest gaps on hilly and mountainous regions is characterized in that the photinia bournei is planted through manual forest window arrangement, wherein the manual forest window arrangement comprises manual patch-shaped forest window arrangement or manual strip-shaped forest window arrangement.
2. The method for planting the phoebe bournei in the forest gap on the hilly and mountain land as claimed in claim 1, wherein the manual forming of the patch-shaped forest window comprises the following steps:
s100, expanding the hollow land and the trend of the hollow land to the periphery of the forest, and cutting off dead trees, weak trees and over-dense trees until the peripheral dominant trees are found;
s200, the shape of the forest gap is determined according to the forest stand condition, an irregular natural shape is formed, and the area of the forest gap is controlled to be 50m2To 300m2To (c) to (d);
step S300, the area exceeds 100m2The forest gap is provided with a compound forest gap;
and S400, uniformly distributing the forest gap, wherein the area of the forest gap is not required to break through 50% of the total area of the afforestation operation area.
3. The method for planting the phoebe bournei in the forest gap on the hilly and mountain land as claimed in claim 2, wherein the hollow area of the forest in the step S100 refers to an area where land is excessively felled, an area where land is artificially damaged, an area where the log is felled, and an area where the forest is missed by artificial barren afforestation.
4. The method for planting a phoebe bournei in a forest gap on a hilly and mountain land as claimed in claim 2, wherein the compound forest gap in step S200 is to properly reserve a plurality of dominant trees with even distribution within the area range of the artificially opened forest gap.
5. The method for planting Phoebe Fujian in the forest gap on hilly and mountain areas as claimed in claim 4, wherein the number of dominant trees with uniform distribution is kept as 100m2To 200m25 to 10 plants of 200m are reserved in the forest gap2To 300m210 to 15 plants were kept in the forest gap.
6. The method for planting the phoebe bournei in the forest gap on the hilly and mountainous areas as claimed in claim 1, wherein the manually forming the strip-shaped forest window comprises the following steps:
s500, selecting a low-yield forest mountain land with moderate canopy closure when a strip-shaped forest window is opened;
s600, the trend of the strip forest gap is in the north-south direction or in the horizontal direction;
s700, the strip width is 1 to 2 times of the average height of the forest trees around the forest gap, and the strip length is determined according to the terrain and forest stand conditions;
and S800, the width of the isolation belt is equal to or larger than the width of the forest window strip.
7. The method for planting a phoebe bournei in a forest gap on a hilly and mountain land as claimed in claim 6, wherein the moderate canopy in step S500 is: the canopy density is more than or equal to 0.2 and less than or equal to 0.7.
8. The method for planting the phoebe bournei in the gaps of the forest on the hilly and mountain areas as claimed in claim 1, wherein the artificial forest window afforestation is carried out by a full-reclamation land preparation mode, a hole land preparation mode or a block land preparation mode.
9. The method for planting the phoebe bournei in the gaps of the hilly and mountain areas as claimed in claim 8, wherein the flat or relatively flat and barren mountain areas are subjected to full-reclamation land preparation, and the slope or the deep and fertile mountain areas are subjected to hole land preparation or block land preparation.
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Cited By (1)
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| CN114982542A (en) * | 2022-06-08 | 2022-09-02 | 上饶市林业科学研究所 | Method for mixed afforestation of cunninghamia lanceolata-phoenix in mountain areas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114982542A (en) * | 2022-06-08 | 2022-09-02 | 上饶市林业科学研究所 | Method for mixed afforestation of cunninghamia lanceolata-phoenix in mountain areas |
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