If the stump removal powder is ingested, it can cause harm to kids and pets, so make sure they don't go near it. Dig out what's left after the fire has burned and discard it. Fill up the hole with loam or another filler, like sawdust. Keep adding more material over the next few months until the ground stays leveled.

How would you rephrase that briefly using Indonesian?
Jauhkan bahan kimia ini dari jangkauan anak-anak dan hewan. Gantilah abu sisa tunggul dengan tanah.