Answer:
Step-by-step explanation:
Sustainable farming means a number of practices; each has it own benefits. Crop rotation is one of them and it benefits the soil as different nutrients are needed for different crops. That will keep the soil healthy. It also involves minimize use of pesticides and herbicides. Any petrochemical products like pesticides and herbicides will have adverse effect on the environment in the long term. Last but not least is optimizing use of water. Excessive irrigation not only wastes water but it also creates runoffs from the field. By optimizing the use, it saves water, reduce runoffs and erosion.