Page 78 - Tài liệu Ebook cây cảnh Bonsai Basics

80 CA RING FOR YOUR BONSAl

Feed your plants during the tree's
growing season, that is, from spring to
autumn. Do not give flowering or
fruiting trees any fertilizer until after
they have flowered. For deciduous trees,
continue feeding until the leaves drop,
but conifers should not be given fertilizer
after mid-autumn. If you use powdered
fertilizer, two doses (two teaspoonfuls)
per month should suffice. If you fertilize
with pellets, wait until they have dis-
solved before replacing them and do not
put the new pellets in the same places as
the old ones. Always place the pellets
about half way between the edge of the
In the absence of special bonsai fertilizer, use an
organic fertilizer such as dried manure. container and the trunk. Make sure,
however, that they are slightly nearer the
trunk, as they can damage the roots of
the tree. Do not bother to feed in winter,
when the roots absorb very little
nutrients.
A foliar feed could be added to the
water used to mist over the foliage.
However, always use your discretion
when tempted to use products advertised
commercially for house plant care. Some
products, such as leaf polishes, can prove
harmful to certain types of plant. Do not
confuse bonsai with indoor plants. Even
though they are grown in rather similar
ways, they need different care. Finally,
note that indoor bonsai should not be
Organic fertilizer contains a number of completely given any fertilizer for three months after
decomposed elements. Special European fertilizers, they have been repotted. With bonsai,
as pictured here and abm•e, can be obtained.
you must be patient.

PRINCIPAL FERTILIZERS

Name Formula Effects

Nitrates N Promotes leaf and branch development, and growth in
general.

Phosphoric acid p Enhances root and cell tissue development: regulates the
reproducti ve activities (floweri ng and fruiting).

Potassium K Promotes production and circulation of sap, flowering
and fruiting.