Afarmer wants to reduce the need for pesticides at his farm. what should he do? a. practice conservation tillage. b. use beneficial insects. c. plant grass. d. plant trees. e. use buffer strips.

i think  is use beneficial insect nah jp

the correct answer is c   with the systems

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.