How to fatten black pine grown from seeds [Small bonsai]

4th generation bonsai cram school
How to fatten black pine grown from seeds [Small bonsai]
This time, I will explain how to make the roots of black pine grown from seeds thicker. It's a bit of a knack for the way I've been doing for years, but anyone can do it, so if you'd like, please refer to it.
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Cast: Ryuichi Kitadani
The 4th generation of Kitadani Yoseien, a bonsai garden in Takamatsu, which is the number one producer of pine bonsai in Japan.
takamatsu-bons...
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