Page 73 - Tài liệu Ebook cây cảnh Bonsai Basics
P. 73
CARING FOR YOUR BONSAI 75
Repotting
We have seen how important it is to
choose a container of the right size.
When you have prepared the tray as
described, spread a drainage layer of
gravel or pebbles in the bottom. The
potting compost should be sifted several
times, with the coarsest material placed
on top of the drainage layer, followed by
successive layers of compost with the
finest on top. Then plant your bonsai
and add the very finest soil. If dry
enough, the fine soil will easily filter
down through the roots. Firm lightly
before watering.
17. Sifting the potting compost. It should be similar
You may find it difficult to keep some to the type the tree was originally growing in.
15. Root pruning: this technique is vital in order to 18. The largest particles will form the drainage
keep the tree miniature. layer in the bottom of the tray.
16. The roots were pruned by about two-thirds their 19. Spread the drainage layer evenly with the palm
length. The size of the root system is again in of your hand and firm it lightly. It wiD enable
proportion with the top growth of the tree. excess water to drain away.
