I need some advice concerning my 2-year-old avocado growing in a pot
in a flat. The whole plant looks nice, is quite big, seems strong and
new leaves are healthy and pretty but older ones get brown on the
edges and dry. I cut them off because it is not a nice seight. What
can I do? I don't water them too much, I think, the soil is always
humid but not wet, it has enough of light... Any ideas?