Use the pesticides only according to the label. You would need many, many people to take care of an insect infestation or disease. Still, many farmers grow their crops organically, without the use of pesticides. If you're growing organic crops, make sure you're only using manure to fertilize. It would be hard to sell 120 acres' worth of crop from a roadside stand.
Many farmers sell to a middleperson who buys their crops in bulk.
If you have grown organic products, opening your own store might be a good idea, if the town has enough demand for the product. What your score means Add up your economic and environmental scores. Looks like you'll be back for another season. You're probably causing damage to the soil and water of your own farm and the surrounding areas.