Answer:
D
Step-by-step explanation:
They would certainly use composting. My wife and I live in the country. Composting is the only way to go. It cuts your weekly garbage disposal by about 1/4 at least.
Organic farmers would use crop rotation. A change is as good as a rest.
Natural fertilizers are a must.
Logging is most famous for its non-technology techniques, but farming is a close second.
The answer is Herbicides. These things are deadly. Roundup will take down anything that's green. You have to be particularly careful with it. Step on grass when the sole of your foot has roundup on it and you'll kill the grass without any doubt.