If most or all of the old soil needs to be replaced, the appropriate turning period should be strictly selected.
If more original soil is retained, the basin can be turned at any time without seasonal restrictions.
In the sunny and airy garden or patio, the trees grow healthily, the leaves are green, the flowers multiply and the fruits are luxuriant, showing the beauty of bonsai.
Fertilization is better before rain, but not in rainy days.
⑤ Placement and protection: the place where the tree bonsai is placed should be ventilated and transparent, and should not be placed indoors with insufficient light for a long time.
However, different tree species have different requirements for light.
⑤ The application of liquid fertilizer and water should not be sprinkled on the leaf surface.
Turning the basin can be determined by the root growth.
In the shade or corner corridor of the tree, the sun and air are not sufficient, and there is no moisture of rain and dew.
The turning basin can be the original basin or a slightly larger basin, which is determined according to the size of the tree.
If the soil blocks are hardened and the roots are densely distributed on the bottom of soil blocks, it is said that the basin must be turned over.
② Bud picking: when many adventitious buds grow on the trunk base or stem of the tree bonsai, the buds should be picked at any time to avoid sprouting fork branches and affecting the beauty of the tree shape.
For example, the new leaves of maple and pomegranate are red.
When turning over the basin, combined with root trimming, it can be considered according to the following conditions: ① if the new roots of trees are poorly developed and the roots are not densely distributed on the bottom of the soil block, the original basin can still be used for turning over the basin without pruning the roots.
③ Some old pile bonsai can be properly rooted when turning the basin to increase its ornamental value.
④ Fertilize when the basin soil is dry and water after application.
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Pine species pick their hearts and buds at the beginning of bud germination to control the growth of new branches, so as to maintain a beautiful tree posture and appropriate proportion.
Generally, dead branches, parallel branches, Cross branches, etc.
At this time, the basin should be turned over for soil change.
The official account of Lin Hongxin and Chen Xizhi, issued by the public, is published and quoted in the bonsai field of vision.
The basin turning of tree bonsai can be determined according to the following aspects: ① generally, the basin turning of small bonsai is once every 1 ~ 2 years, the basin turning of medium bonsai is once every 2 ~ 3 years, and the basin turning of large bonsai is once every 3 ~ 5 years.
Therefore, it is necessary to prune in time, cut long branches and short branches, and thin cut dense branches.
The pruning method shall be determined according to the tree shape.
③ Leaf picking; The ornamental period of leaf viewing tree bonsai is often the germination period of new leaves.
When the basin soil is not dry or wet, turn the basin upside down, pat the basin bottom with your hand, so that all the trees with soil and roots can be poured out, and check the hardening of soil blocks and root distribution.
In particular, elm, raspberry, winter jasmine, June snow and other tree species are easy to produce adventitious buds, so we should pay more attention to bud picking.
③ Trees with luxuriant branches and leaves and well-developed roots should turn pots frequently.
⑥ Quick acting fertilizer should be applied for topdressing in growing season, slow acting fertilizer should be applied in dormancy period, and no fertilizer is generally applied in plum rain season and autumn.
② Liquid fertilizer should not be too thick.
② For tree species that grow vigorously and like fertilizer, the number of pot turning should be more and the interval should be shorter; For tree species that grow slowly and need less fertilizer, the number of pot turning can be less and the interval can be longer.
(3) Pruning: bonsai trees are still growing.
(4) Turning basin for soil replacement: After the bonsai trees grow in the basin for many years, the fibrous roots are densely distributed at the bottom of the basin, the watering is difficult to penetrate and discharge, and the fertilizer is not easy to absorb, which will affect the normal growth of the trees.
If the root system is too dense and too long, it should be trimmed.
Through leaf picking treatment, the trees can produce new leaves several times a year, which are bright and pleasing to the eye, so as to improve their ornamental effect.
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① Picking the heart: in order to inhibit the growth of bonsai trees and promote the development of lateral branches, the tender heads of branches can be removed.
that hinder beauty shall be cut off in time.
In order to maintain its beautiful appearance, you must pay attention to pruning frequently.
④ For the elongated fine roots of pine and cypress species, the root end can be cut off as appropriate; If the fibrous roots of boxwood and bamboo are developed, all the root ends should be cut off to control that the fibrous roots are too dense and cover the bottom of the soil block, affecting ventilation and water permeability.
Bonsai trees such as elm and Ginkgo biloba can also enjoy their fresh and tender leaves by leaf picking.
The trees often grow poorly, and the leaves are yellow and easy to fall off.
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If they are allowed to grow naturally and unchecked, it is bound to affect the tree shape and lose its artistic value.
Some shade tolerant trees, such as luohansong, juniper, Nantian bamboo and camellia, should take shading measures under high temperature and strong light in summer, otherwise they will grow poorly and even die.
④ Pruning: tree bonsai often produces many new branches.
The best time for turning pots is to select the dormancy period of trees, mostly in early spring or late autumn.
Construction essentials of bonsai the following points should be paid attention to when fertilizing Bonsai: ① Organic fertilizer and cake fertilizer must be fully decomposed before application, otherwise it is easy to burn roots by fermentation in pot soil.
② For tree species with developed roots, if fibrous roots are densely distributed on the bottom of the soil block, a slightly larger basin shall be replaced, the dense roots shall be thinly cut, the old roots shall be removed, and a few new roots shall be reserved for basin turning.
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When turning the basin, it can be combined with root pruning and soil replacement.
However, it is necessary to change the soil properly to consolidate its foundation.
③ It is not suitable to apply fertilizer when the new roots of the trees just on the basin are not growing.
Light and air are very important for the growth of tree bonsai.
In case of cloud shape, the branches shall be trimmed into a flat shape.
It must be diluted before use, otherwise it is easy to produce fertilizer damage.
If it is an old tree stump scene, turn the basin every few years.
Soil replacement can improve the ventilation and water permeability of the soil, increase soil nutrients, facilitate the healthy growth of bonsai trees and improve their ornamental effect.
And prune the old roots and root ends, and cultivate loose and fertile soil to promote new roots.
It is not suitable to turn more pots for the old pile scenery of pine and cypress.
