Worse a sick or dormant plant isnt able to absorb even a normal dose of plant food So feeding a sick plant can harm it Root hairs that are surrounded by excess salts are injured and therefore arent able to send water up to the plant

What is the correctly punctuated version of this sentence?
Worse, a sick or dormant plant isn't able to absorb even, a normal dose of plant food. So feeding a sick plant can harm it. Root hairs that are surrounded by excess salts are injured and, therefore, aren't able to send water up to the plant.