What is the process of growing a plant call? I have a science project and my science mentor wants us to...

I have a science project and my science mentor wants us to explain what the process of growing a plant is. So if u know the answer backing me out because i really need it.
Why is rainwater so caustic?
Horticulture involves growing plants and is a branch of Agriculture.

Besides potatoes..?
"Horticulture" is what you're looking for, and here's a agreeable link to go and get you started:

http://en.wikipedia.org/wiki/Horticultur...
Synthetic grass and where on earth to buy...
Answers:    Horticulture is the science and cultivation is the process. RScott