CN112753465B - Method for cultivating trunk of young forest of high-quality wood for zelkova serrata - Google Patents

Method for cultivating trunk of young forest of high-quality wood for zelkova serrata Download PDF

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CN112753465B
CN112753465B CN202011599218.5A CN202011599218A CN112753465B CN 112753465 B CN112753465 B CN 112753465B CN 202011599218 A CN202011599218 A CN 202011599218A CN 112753465 B CN112753465 B CN 112753465B
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branches
zelkova
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fertilizer
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CN112753465A (en
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王克春
尚楚
郁世军
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Jiangsu Nongjing Ecological Construction Co ltd
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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
    • A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005—Cultivation methods
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C21/00—Methods of fertilising, sowing or planting
    • A01C21/005—Following a specific plan, e.g. pattern
    • 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
    • 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
    • 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)
  • Botany (AREA)
  • Soil Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
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  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention discloses a method for cultivating trunks of young trees of high-quality wood materials of zelkova serrata, and relates to the technical field of forest cultivation. According to the growth characteristics of the zelkova schneideriana, zelkova schneideriana trimming and shaping and related matched technical measures are carried out in stages, the zelkova schneideriana is cultivated in a trunk period of container seedling cultivation, the container seedling enters a field for cultivating the trunk period, the zelkova schneideriana is cultivated after field planting, and the technical measures of trimming and shaping, density regulation and control, water and fertilizer management and the like are adopted, so that the zelkova schneideriana for young wood with trunk advantages is cultivated, and the construction of high-yield forests for the zelkova schneideriana is accelerated.

Description

Method for cultivating trunk of young forest of high-quality wood for zelkova serrata
Technical Field
The invention relates to the technical field of forest cultivation, in particular to a method for cultivating trunks of young trees of high-quality wood for zelkova serrata.
Background
The zelkova serrata has the purposes of landscaping, ecological afforestation, wood processing and the like, and is a 'precious, colorized and profitable' tree species which integrates economic, social and ecological benefits. In recent years, jiangsu province encourages to cultivate precious wood species, and the zelkova has the advantages of serving as a local hard broad-leaf wood species and playing roles in the construction of adjusting and optimizing the structure of the wood species, improving the ecological environment, enriching forest resources and the like.
The research of China on the aspect of developing and applying the ornamental and landscaping purposes of the zelkova serrata is mature, the achievements are rich, and on the basis, the value of developing zelkova serrata wood and the improvement of the economic benefit and the social benefit of the zelkova serrata are very important. At present, a systematic cultivation method for cultivating the high-quality seedling of the zelkova serrata by paying attention to the pruning, the water and fertilizer management, the planting density adjustment and the like of the whole growth period of the zelkova serrata is still lacked.
Disclosure of Invention
Aiming at the problems in the prior art, the technical problem to be solved by the invention is to provide a method for cultivating the trunk of the young forest of the high-quality beech wood.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a method for cultivating trunks of young forests made of high-quality wood of zelkova serrata comprises the following steps:
1) Reserving 5cm of main roots of the zelkova serrata bud seedlings, and transplanting the zelkova serrata bud seedlings into a seedling bag;
2) Leveling the annual seedlings of the zelkova serrata in winter, wherein the leveling height is controlled to be 5cm away from the base of the trunk;
3) In the next year, the trunk grows to 30cm, robust and straight branches are reserved as the trunk, and the trunk is bound by thin bamboo poles so as to achieve the purpose of culturing the upright trunk;
4) Applying compound fertilizer for 1 time in 2-3 months with the applying amount of 0.1-0.3 Kg/plant, applying quick-acting nitrogen fertilizer for 3 times in 5-7 months with the applying amount of 0.10-0.25 Kg/plant each time, and promoting the seedling height and the dry diameter in the growing period to be rapidly increased and thickened;
5) When the growth height of the trunk reaches 50cm, cutting off all side branches below 1/2 of the trunk, growing upwards in opposite directions, pulling downwards slowly by taking the trunk as an acting point and taking the range of 10-20cm away from the tips of the branches as a stress point, repeating for 3-4 times, fixing the position during the last pulling, winding the trunk and the stress points of the branches by a straw rope for several circles, and binding the trunk to achieve an ideal branching angle;
6) After cultivating the trunk in the seedling bag for 1-3 years, cutting off the seedling bag, cutting off the packing, removing the straw rope, transferring to a nursery garden, ensuring the integrity of the root system without scattering the matrix in the transplanting process, and ensuring the row spacing of the transplanted plants to be 0.5-1.0m multiplied by 1.0-1.5m;
7) When the growth height of the trunk reaches 110cm, cutting the trunk downwards by 30cm from the top of the trunk, cutting off all lateral branches below 1/2 of the height of the trunk, wiping off all buds below 1/2 of the height of the trunk in spring, and reserving buds at the top of the cut trunk to promote the buds to be extracted; in summer, picking off the core, thinning leaves and thinning branches are adopted for tree-shaped culture; pinching the lateral branches, promoting the thickening of the trunk, thinning dead branches, competitive branches and inner bore branches, improving ventilation and light transmission conditions, increasing the photosynthesis of leaves, and improving the annual growth amount of the indexes of the height, the trunk diameter and the root length of the zelkova; thinning shearing, shrinking shearing and short cutting are adopted in winter to weaken the growth potential of lateral branches at the lower part of the trunk year by year, so that 3-5 lateral branches at the upper part of the trunk are promoted to grow until the ideal trunk height is reached, and 3-4 lateral branches are reserved; the cut of the shaping and pruning is equal to the trunk without leaving a pile, and the twig sprouting at the cut of the shaping and pruning is timely erased at the early sprouting stage; meanwhile, the angle between the trunk and the lateral branches is controlled by stretching and fixing the zelkova serrata branch-drawing angle opening device, namely the branch angle is 45-60 degrees;
8) Applying agricultural fertilizer in 2-3 months, applying quick-acting nitrogen fertilizer in 6-7 months and applying organic fertilizer in 10-12 months to ensure the growth of lateral branches and ensure that the zelkova has enough leaves to carry out photosynthesis and meet the energy required by vegetative growth;
9) After 2-4 years of trunk cultivation in nursery, performing field planting on the zelkova serrata, adjusting the field planting density, performing alternate-row spacing thinning on the zelkova serrata, and enlarging the growth space of the zelkova serrata;
10 When the growth height of the trunk reaches 150cm, cutting the trunk downwards by 30cm from the top of the trunk, and cutting off all lateral branches below 2/3 of the height of the trunk; gradually increasing the height under the branches year by year, and controlling the height of the trunk to be 1/2-2/3 of the height of the tree;
11 Carrying out controlled pruning according to the growth condition of the lateral branches of the zelkova serrata, increasing the upper part of the trunk year by year, finally keeping the growth vigor of 3-4 lateral branches, matching with thinning shearing, shrinking shearing and chopping, and promoting the growth of the trunk and the lateral branches;
12 ) controlling the branch angle of the zelkova serrata by trimming the lateral branches, wherein the branch angle is controlled to be 45-60 degrees;
13 Applying compound fertilizer in the month of 2-3 and 7-8 every year in the application amount of 0.40-0.70 Kg/plant and applying organic fertilizer in the month of 11-12 in the application amount of 0.60-1.0 Kg/plant.
Further, in the step 4), N: P in the compound fertilizer 2 O 5 ∶K 2 The mass ratio of the O is 28: 6.
Further, in the step 7), the branch angle between the trunk and the side branch is controlled by a zelkova serrata, and the zelkova serrata comprises an arc-shaped fixing part, a telescopic pull rod and a drag hook; the arc spout has been seted up on convex fixed part, and the inside cover of arc spout is equipped with circular slider, circular slider and arc spout looks adaptation, the outer scalable pull rod of fixedly connected with of edge of circular slider's upper surface, the other end of scalable pull rod is equipped with the drag hook, and scalable pull rod slides the transform direction in the arc spout through circular slider.
Furthermore, a threaded hole is formed in the circular sliding block, a threaded rod is connected to the threaded hole through threads, and the threaded rod penetrates through the circular sliding block to be locked.
Furthermore, the width of the telescopic pull rod is smaller than that of the arc-shaped sliding groove.
Further, in the step 8), the application times of the agricultural fertilizer, the quick-acting nitrogen fertilizer and the organic fertilizer are all 1 time.
Further, in the step 8), the fertilizing amount of the agricultural fertilizer is 0.30-0.60Kg per plant; the fertilizing amount of the quick-acting nitrogen fertilizer is 0.25-0.50Kg per plant; the fertilizing amount of the organic fertilizer is 0.40-0.65Kg per plant.
Further, in the step 8), the organic matter content of the organic fertilizer is more than or equal to 45 percent, the humic acid is more than or equal to 20 percent, and the content of N + P 2 O 5 +K 2 O≥15％。
Further, in the step 13), N: P in the compound fertilizer 2 O 5 ∶K 2 The mass ratio of O is 17: 17.
Has the beneficial effects that: compared with the prior art, the invention has the advantages that: according to the invention, through the stages of a container seedling cultivation trunk period of the zelkova serrata, a container seedling cultivation trunk period in a field, a cultivation trunk period after fixed planting of the zelkova serrata and the like, technical measures such as trimming and shaping, density regulation and control, water and fertilizer management and the like are adopted, the zelkova serrata for young wood with trunk advantages is cultivated, and the construction of a high-yield forest for the zelkova serrata is accelerated.
Drawings
FIG. 1 is a schematic structural view of a zelkova serrata branch-drawing angle-drawing device;
fig. 2 is a schematic use diagram of a zelkova serrata branch drawing and opening device.
Detailed Description
The invention is further described with reference to specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention.
Example 1
A method for cultivating trunks of young forests of high-quality wood materials of zelkova serrata comprises the following steps: according to the growth characteristics of the zelkova schneideriana, trimming and shaping the zelkova schneideriana and related matched technical measures are carried out by stages:
1. culturing trunk of zelkova serrata container seedling for 1-3 years
(1) Reserving about 5cm main roots of the zelkova schneideriana bud seedlings, and transplanting the zelkova schneideriana bud seedlings into 18 multiplied by 26cm seedling culture bags;
(2) Leveling the annual seedlings of the zelkova serrata in winter, wherein the leveling height is controlled to be 5cm away from the base of the trunk;
(3) The zelkova serrata grows for 1 year by stumping, the trunk height grows obviously, when the trunk height grows to about 30cm, the strong and straight branches are left as the trunk, the growth advantage of the trunk is ensured, and the trunk is bound by using the thin bamboo poles so as to achieve the purpose of culturing the vertical trunk;
(4) Applying compound fertilizer for 1 time in 2-3 months with the applying amount of 0.1-0.3 Kg/plant, applying quick-acting nitrogen fertilizer for 3 times in 5-7 months with the applying amount of 0.10-0.25 Kg/plant each time, and promoting the seedling height and the dry diameter in the growing period to be rapidly increased and thickened; wherein, N is to P in the compound fertilizer 2 O 5 ∶K 2 The mass ratio of O is 28: 6.
(5) When the growth height of the trunk reaches 50cm, cutting off all side branches below 1/2 of the trunk, growing upwards in opposite directions, pulling downwards slowly by taking the trunk as an acting point and taking the range of 10-20cm away from the tips of the branches as a stress point, repeating for 3-4 times, fixing the position during the last pulling, winding the trunk and the stress points of the branches by a straw rope for several circles, and binding the trunk to achieve an ideal branching angle;
2. the container seedlings enter the nursery field to cultivate trunks for 2 to 4 years
(1) After the trunk is cultivated in the seedling bag for 1 to 3 years, a container is cut off, packing is cut off, a straw rope is removed, the container seedlings are transplanted to a nursery field, a matrix is not scattered in the transplanting process, the integrity of a root system is ensured, and the row spacing of transplanted plants is 0.5 to 1.0m multiplied by 1.0 to 1.5m;
(2) When the height of the trunk reaches 110cm, the trunk is cut down by 30cm from the top of the trunk, and all lateral branches below 1/2 of the height of the trunk are cut off. Wiping off all buds below 1/2 of the height of the trunk in spring;
(3) In summer, carrying out tree form culture by adopting pinching, leaf thinning and branch thinning; pinching the lateral branches to promote the thickening of the trunk; pinching is carried out according to the growth condition of branches, weak and small branches can not be treated, and strong branches are subjected to intensified pinching; pruning diseased dead branches, competitive branches, inner bore branches and the like; the branches with dense leaf arrangement are subjected to leaf thinning by matching with branch thinning, so that the ventilation and light transmission conditions are improved, the photosynthesis of the leaves is promoted, and the annual growth quantity of indexes such as height, trunk diameter and root length of the zelkova is increased;
(4) Thinning out, shrinking and cutting off are adopted in winter to weaken the growth potential of lateral branches at the bottom of the trunk year by year, 3-5 lateral branches at the upper part of the trunk are promoted to grow until the ideal trunk height is reached, and 3-4 lateral branches are reserved;
thinning and shearing: pruning bare branches, sick dead branches, competitive branches, cross branches, inner bore branches and the like;
shrinking and shearing: retracting the downward growing branches and changing the growing direction; retracting the perennial old branches and promoting the growth of new branches;
short-cut: the strong branches, the main branches and the subsidiary branch prolonged branches are cut short to balance the growth vigor of the whole branches;
the cut of the pruning needs to be level with the trunk, and piles cannot be reserved; shoots can sprout at the cut and saw cut of the shaping and pruning, and need to be erased in time at the initial stage of germination;
(5) Controlling the angle between the trunk and the lateral branches by stretching and fixing the zelkova serrata branch-drawing angle opening device, namely controlling the branch angle to be 45-60 degrees;
the branch angle between the branch and the trunk of the zelkova serrata is controlled by a zelkova serrata, and the zelkova serrata comprises an arc-shaped fixing part 1, a telescopic pull rod 2 and a drag hook 3; arc spout 4 has been seted up on convex fixed part 1, the inside cover of arc spout 4 is equipped with circular slider 5, circular slider 5 and 4 looks adaptations of arc spout, the outer scalable pull rod 2 of fixedly connected with of edge of the upper surface of circular slider 5, the width of scalable pull rod 2 is less than the width of arc spout 4, the other end of scalable pull rod 2 is equipped with drag hook 3, scalable pull rod 2 slides the transform direction through circular slider 5 in arc spout 4.
The arc fixing portion 1 is used for hooking a tree body center trunk, the drag hook on the telescopic pull rod 2 hooks a branch to be subjected to angle opening, the length is adjusted through the telescopic pull rod 2, the direction of the telescopic pull rod 2 is adjusted in the arc sliding groove 4 through the circular sliding block 5 in a sliding mode, the adjustment of the opening angle is achieved, when the opening angle is controlled to be 45-60 degrees, a threaded rod is connected to the threaded hole through a threaded hole (not shown in the figure) formed in the circular sliding block 5 in a threaded mode, and the threaded rod penetrates through the circular sliding block to be locked.
The zelkova serrata branch drawing and opening device has wide branch drawing range, good angle drawing effect and simple operation.
(6) By applying agricultural fertilizer in 2-3 months, quick-acting nitrogen fertilizer in 6-7 months and organic fertilizer in 10-12 months, the growth of lateral branches is guaranteed, and sufficient leaves of the zelkova serrata are ensured to carry out photosynthesis to meet the energy required by vegetative growth; the tree height and trunk diameter in the growing period are ensured to be increased and thickened rapidly;
the application times of the farmyard manure, the quick-acting nitrogen fertilizer and the organic fertilizer are respectively 1 time, the application amount is determined according to the type of the fertilizer, the farmyard manure mainly comprises fully fermented poultry manure, and the application amount of each plant is 0.30-0.60Kg; the application amount of the quick-acting nitrogen fertilizer is 0.25-0.50Kg per plant; the organic matter content of the organic fertilizer is more than or equal to 45 percent, the humic acid is more than or equal to 20 percent, and the content of N + P 2 O 5 +K 2 O is more than or equal to 15 percent, and the application amount of each plant is 0.40-0.65Kg.
3. Cultivating trunk of Zelkova serrata after fixed planting
(1) After 2-4 years of trunk cultivation in a nursery field, performing field planting on the zelkova serrata, adjusting the field planting density, performing interlaced plant spacing thinning on the field cultivated zelkova serrata, and enlarging the growth space of the zelkova serrata;
(2) When the growth height of the trunk reaches about 150cm, cutting down the trunk by 30cm from the top, cutting off all lateral branches below 2/3 of the height of the trunk, gradually increasing the height below the branches in years, and controlling the height of the trunk to be 1/2-2/3 of the height of the tree;
(3) Performing controlled pruning according to the growth condition of lateral branches of the zelkova schneideriana, improving the upper part of a trunk year by year, finally keeping the growth potential of 3-4 lateral branches, and promoting the growth of the trunk and the lateral branches by matching with other measures such as thinning, shrinking, shearing, chopping and the like;
(4) Pruning the lateral branches to control the branch angle of the zelkova, wherein the branch angle is controlled to be 45-60 degrees;
(5) The compound fertilizer is applied in 2-3 months and 7-8 months every year, the application amount is 0.40-0.70 Kg/plant, the organic fertilizer is applied in 11-12 months, and the application amount is 0.60-1.0 Kg/plant. Wherein, N is to P in the compound fertilizer 2 O 5 ∶K 2 The mass ratio of O is 17: 17; the organic matter content of the organic fertilizer is more than or equal to 45 percent, the humic acid is more than or equal to 20 percent, and the content of N + P 2 O 5 +K 2 O≥15％。

Claims (9)

1. A method for cultivating trunk of young forest of high-quality wood for zelkova serrata is characterized by comprising the following steps:
1) Reserving 5cm of main roots of the zelkova schneideriana bud seedlings, and transplanting the zelkova schneideriana bud seedlings into a seedling bag;
2) Leveling the annual seedlings of the zelkova serrata in winter, wherein the leveling height is controlled to be 5cm away from the base of the trunk;
3) In the next year, the trunk grows to 30cm, strong and straight branches are left to serve as the trunk, and meanwhile, the trunk is bound by thin bamboo poles, so that the purpose of culturing the upright trunk is achieved;
4) Applying compound fertilizer for 1 time in 2-3 months with the fertilizer application amount of 0.1-0.3 Kg/plant, and applying quick-acting nitrogen fertilizer for 3 times in 5-7 months with the fertilizer application amount of 0.10-0.25 Kg/plant each time;
5) When the growth height of the trunk reaches 50cm, cutting off all side branches below 1/2 of the trunk, growing upwards in opposite directions, pulling downwards slowly by taking the trunk as an acting point and taking the range of 10-20cm away from the tips of the branches as a stress point, repeating for 3-4 times, fixing the position during the last pulling, winding the trunk and the stress points of the branches by a straw rope for several circles, and binding the trunk to achieve an ideal branching angle;
6) After the trunk is cultivated in the seedling bag for 1 to 3 years, the seedling bag is cut off, the packing is cut off, the straw rope is removed, the seedling bag is moved to a nursery, the matrix is not scattered in the transplanting process, the integrity of the root system is ensured, and the row spacing of the transplanted plants is 0.5 to 1.0m multiplied by 1.0 to 1.5m;
7) When the growth height of the trunk reaches 110cm, cutting down the trunk by 30cm from the top of the trunk, and cutting off all lateral branches below 1/2 of the height of the trunk; wiping off all buds below 1/2 of the height of the trunk in spring, and reserving buds at the top of the cut trunk to promote the buds to sprout branches; picking off hearts, thinning leaves and thinning branches to perform tree-shaped culture in summer; pinching the lateral branches, promoting the thickening of the trunk, thinning dead branches, competitive branches and inner bore branches, improving ventilation and light transmission conditions, increasing the photosynthesis of leaves, and improving the annual growth amount of the indexes of the height, the trunk diameter and the root length of the zelkova; thinning shearing, shrinking shearing and chopping are adopted in winter to weaken the growth potential of lateral branches at the bottom of the trunk year by year, so that 3-5 lateral branches at the upper part of the trunk are promoted to grow until the ideal trunk height is reached, and 3-4 lateral branches are reserved; the cut of the shaping and trimming is level with the trunk without pile, and the twig sprouting at the cut of the shaping and trimming is removed in time at the sprouting initial stage; simultaneously, the angle between the trunk and the lateral branch is controlled by stretching and fixing the zelkova serrata branch-drawing and opening device, namely the branch angle is 45-60 degrees;
8) Applying agricultural fertilizer in 2-3 months, applying quick-acting nitrogen fertilizer in 6-7 months and applying organic fertilizer in 10-12 months to ensure the growth of lateral branches and ensure that the zelkova has enough leaves to carry out photosynthesis and meet the energy required by vegetative growth;
9) After 2-4 years of trunk cultivation in nursery, performing field planting on the zelkova serrata, adjusting the field planting density, performing alternate-row spacing thinning on the zelkova serrata, and enlarging the growth space of the zelkova serrata;
10 When the growth height of the trunk reaches 150cm, the trunk is cut down by 30cm from the top of the trunk, all lateral branches below 2/3 of the height of the trunk are cut off, the height below the branches is gradually increased year by year, and the height of the trunk is controlled to be 1/2-2/3 of the height of the tree;
11 Carrying out controlled pruning according to the growth condition of the lateral branches of the zelkova serrata, improving the upper part of a trunk year by year, finally keeping the growth potential of 3-4 lateral branches, and promoting the growth of the trunk and the lateral branches by matching with thinning, shrinking and shearing and chopping;
12 ) pruning the lateral branches to control the branching angle of the zelkova serrata, wherein the branching angle is controlled to be 45-60 degrees;
13 Applying compound fertilizer in the month of 2-3 and 7-8 every year in the application amount of 0.40-0.70 Kg/plant and applying organic fertilizer in the month of 11-12 in the application amount of 0.60-1.0 Kg/plant.
2. The method for cultivating young trunks of zelkova serrata quality timber according to claim 1, wherein in the step 4), N: P is contained in a compound fertilizer 2 O 5 ∶K 2 The mass ratio of O is 28: 6.
3. The method for cultivating the trunk of the young forest of the superior lumber of the zelkova serrata according to claim 1, wherein in the step 7), the branching angle between the trunk and the side branch is controlled by a zelkova serrata comprising a circular arc-shaped fixing part, a retractable tie rod and a drag hook; the arc spout has been seted up on the convex fixed part, the inside cover of arc spout is equipped with circular slider, circular slider and arc spout looks adaptation, and the outer scalable pull rod of fixedly connected with that follows of upper surface of circular slider, the other end of scalable pull rod is equipped with the drag hook, and scalable pull rod slides the transform direction in the arc spout through circular slider.
4. The method for cultivating the trunk of the young forest of the zelkova serrata high-quality timber according to claim 3, wherein the circular slide block is provided with a threaded hole, the threaded hole is connected with a threaded rod in a threaded manner, and the threaded rod penetrates through the circular slide block to be locked.
5. The method for cultivating the trunk of young forest of beech tree superior lumber according to claim 3, wherein the width of the retractable tie bar is smaller than the width of the arc-shaped chute.
6. The method for cultivating trunk of young forest of beech tree of good quality as claimed in claim 1, wherein in step 8), the number of applications of agricultural fertilizer, quick-acting nitrogen fertilizer and organic fertilizer is 1.
7. The method for cultivating trunk of young forest of beech superior wood according to claim 1, wherein in step 8), the amount of applied agricultural fertilizer is 0.30-0.60Kg per plant; the fertilizing amount of the quick-acting nitrogen fertilizer is 0.25-0.50Kg per plant; the fertilizing amount of the organic fertilizer is 0.40-0.65Kg per plant.
8. The method for cultivating the trunk of the young forest of the high-quality material of the zelkova serrata as claimed in claim 1, wherein in the step 8), the organic matter content of the organic fertilizer is more than or equal to 45%, the humic acid is more than or equal to 20%, and the N + P is more than or equal to 2 O 5 +K 2 O≥15％。
9. The method for cultivating trunk of young forest of beech tree of good quality as claimed in claim 1, wherein in step 13), N: P is added to compound fertilizer 2 O 5 ∶K 2 The mass ratio of O is 17: 17.
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JP4953110B1 (en) * 2011-09-16 2012-06-13 稲本マシンツール工業株式会社 Chestnut hatching and side branch renewal method
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