Continued availability of water, control of competing plants (weeds, other species), and addition of fertilizers where feasible are the main ways of ensuring progression to a stage where the seedling is Free To Grow (FTG).
"The care of the Earth is our most ancient and most worthy,
and after all, our most pleasing responsibility."
(Wendell Berry)
"The best time to plant a tree was 20 years ago. The second-best time is now”
(Chinese proverb)
“Even if I knew that tomorrow the world would go to pieces, I would still plant my apple tree”
(Martin Luther)
"Time spent among trees is time never wasted"
(Author Unknown).