Method to quickly grow small trees of Lagerstroemia indica by heat and DBH (diameter at breast height) separate cultivation

A separate culture and fast technology, applied in the field of plant cultivation, can solve the problems of slow growth, slow growth of container seedlings, and unsatisfactory conditions, and achieve the effects of well-developed absorption roots, avoiding nutrient consumption, and avoiding waste

Inactive Publication Date: 2018-06-01
武汉长江绿色工程科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the natural growth of crape myrtle shows a strong shrub habit. The annual diameter of ordinary crape myrtle is less than 0.8cm, and the growth rate is slow.
Therefore, the growth rate of container seedlings is also very slow, which cannot meet the needs of landscaping for crape myrtle trees.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Substrate preparation: At the beginning of March in the first year, prepare the culture substrate according to the following formula: 28% burnt soil, 50% topsoil, 10% peat soil, 10% commercially available organic fertilizer, 2% superphosphate;

[0023] (2) Pruning and transplanting into pots: select one-year-old cuttings with uniform seedling height and strong growth, select a single strong main branch for each seedling, cut off the remaining main branches, stem base tiller branches, and leave 1 / 3 of the main branch height All side branches below; transplanted into a plastic container with a diameter of 40 cm filled with the above-mentioned culture medium, and poured enough root-fixing water;

[0024] (3) High-density arrangement for cultivating tree height: place tree pots according to the row spacing of 40cm×40cm, a ridge with a width of 600cm, a ridge spacing of 60cm, and piling wire fences outside the ridge;

[0025] (4) Water and fertilizer management: One week...

Embodiment 2

[0030] (1) Substrate preparation: At the beginning of March in the first year, prepare the culture substrate according to the following formula: 18% burnt soil, 40% topsoil in nursery, 20% peat soil, 20% commercially available organic fertilizer, 2% superphosphate;

[0031] (2) Pruning and transplanting into pots: select one-year-old cuttings with uniform seedling height and strong growth, select a single strong main branch for each seedling, cut off the remaining main branches, stem base tiller branches, and leave 1 / 3 of the main branch height All side branches below; transplanted into a plastic container with a diameter of 40 cm filled with the above-mentioned culture medium, and poured enough root-fixing water;

[0032] (3) High-density arrangement for cultivating tree height: place tree pots according to the row spacing of 40cm×40cm, a ridge with a width of 600cm, a ridge spacing of 60cm, and piling wire fences outside the ridge;

[0033](4) Water and fertilizer management...

Embodiment 3

[0038] (1) Substrate preparation: At the beginning of March in the first year, prepare the culture substrate according to the following formula: 23% fire soil, 45% nursery topsoil, 15% peat soil, 15% commercially available organic fertilizer, 2% superphosphate;

[0039] (2) Pruning and transplanting into pots: select one-year-old cuttings with uniform seedling height and strong growth, select a single strong main branch for each seedling, cut off the remaining main branches, stem base tiller branches, and leave 1 / 3 of the main branch height All side branches below; transplanted into a plastic container with a diameter of 40 cm filled with the above-mentioned culture medium, and poured enough root-fixing water;

[0040] (3) High-density arrangement for cultivating tree height: place tree pots according to the row spacing of 40cm×40cm, a ridge with a width of 600cm, a ridge spacing of 60cm, and piling wire fences outside the ridge;

[0041] (4) Water and fertilizer management: O...

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PUM

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Abstract

The invention relates to a method to quickly grow small trees of Lagerstroemia indica by heat and DBH (diameter at breast height) separate cultivation and is intended to solve the problem that high-quality trees of Lagerstroemia indica have long production cycle so that the garden landscaping requirement cannot be met in time. Growth of Lagerstroemia indica trees is carried out in two phases, height growth phase and DBH growth phase, with close planting of tree height and sparse planting of DBH; nutrient elements are scientifically proportioned and fertilizers are combined according to the growth rules of tree height and DBH and nutrient demands of trees; fertilizers are scientifically proportioned and applied according to different growth rhythmic stages in conjunction with reasonable pruning; growth efficiency of tree height and DBH is effectively improved. The method has the advantages that the growth cycle of Lagerstroemia indica trees is greatly shortened, small trees 5-6 cm in DBH can be grown in 3 years, scientific application of fertilizer helps effectively promote growth and prevents fertilizer waste, reasonable pruning helps quickly rear and reserve the crown, the crown of each plantlet is full, healthy and stylish, the grown small trees of Lagerstroemia indica have developed absorbing roots, and landscape can be formed instantly by full-crown transplanting.

Description

technical field [0001] The invention belongs to the field of plant cultivation, and in particular relates to a method for quickly growing small trees of the slow-growing tree species Lagerstroemia indica. Background technique [0002] Lagerstroemia indica is the main ornamental tree in my country. It has gorgeous flowers in summer, and the flowering period lasts for 3-5 months. The flowers are rich in colors, ranging from light to white to deep blue and purple. It is endowed with noble, auspicious and noble cultural connotations. Crape myrtle can be applied to waterfronts, poolsides, parks, green spaces, residences, courtyards, or to create landscapes with single trees or group plants, all of which have unique artistic effects. [0003] The crape myrtle tree has a beautiful tree shape, smooth and clean trunk, and different postures. Excellent material for colorful garden landscape. Arbors can be planted in a single tree type group or mixed with multiple tree types to form ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G7/06A01C21/00
CPCA01C21/005A01G7/06A01G17/005
Inventor 陈绪强陶勇邱乘超程磊梁顺启汪一鸥
Owner 武汉长江绿色工程科技股份有限公司
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