By MN Ag Mag Substances in foods that provide things like vitamins, minerals, calcium, and protein that promote growth and good health. Related Articles: Glossary: Crop RotationGlossary: FertileGlossary: Soil TypesGlossary: Variable Rate ApplicationA Day in the Life of a FarmerHave you ever wondered what a day is like for a pig farmer? Well, I am going to share with you what our daily life is like at our farm, which is located in Martin County, Minnesota.