Draw a picture of agricultural method of tilling.
Draw a picture of agricultural method of slash-and-burn.
Draw a picture of agricultural method of fertilizer use.
What is left after tilling?
What is left after slash-and-burn farming?
What is left after fertilizer application?
What is the purpose of tilling?
What is the purpose of slash-and-burn farming?
What is the purpose of fertilizer use?
Describe the environmental damage caused by tilling.
Describe the environmental damage caused by slash-and-burn agriculture.
Describe the environmental damage caused by the use of fertilizers.