Plants grown in healthy soil that does not require short term synthetic inputs are more resistant to pests. The organic fertilizers and composts that build up s

Plants grown in healthy soil that does not require short term synthetic inputs are more resistant to pests. The organic fertilizers and composts that build up suitable topsoil are literally the "pesticides that with well with the environment" that you are looking for. No one is expecting bumper crops without any nutrient inputs. Synthetic fertilizers are not the only possible nutrient inputs.