Answer: To introduce nitrogen back into the soil you can plant crops that create their own nitrogen like soybeans and other legumes crops or use a chemical fertilizer with nitrogen in it. Crop rotation is also a eco effecieint way for farmers to reduce the risk of nitrate leaking onto the surface.
Patient have tendencies to become addicted and abuse medication especialy if there is a narcotic involved. Other times though non-compliance with medication is a very stark and very serious reality. the second choices are the better answer to your question.