View the leaf and know the root

View the leaf and know the root

1. The old one will burn the tip, but the new seedling will burn the tip before it becomes mature.

2, the new seedling leaf beetle is black and withered prematurely.

3. Stop growing and don't sprout.

Then we should turn the basin and look at the root.

(personal opinion, for reference only) http://www.dfac.cc/showtopic-18-210215-0-0-1.htm