Quick Answer. Crops grown in the Maryland colony included tobacco, corn, soybeans, other vegetables and grains. Tobacco was the main cash crop in colonial Maryland. By the 1700s, tobacco had become such big business that the Acts of Assembly forced landowners to grow other crops, such as corn and grains, that could be used for food.
Bacterial diseases are caused by harmful bacteria (pathogenic bacteria). The vast majority of bacteria do not cause disease, and many bacteria are actually helpful and even necessary for good health.
Primary bacterial diseases are caused by invasion of bacteria that cause disease with no other predisposing factors. Secondary bacterial diseases are caused by invasion of bacteria after a predisposing condition, such as viral infections, stresses, tissue injuries, and dietary upsets.A bacterial disease may affect a single tissue or organ, or it may affect multiple tissues and organs of the animal.econdary bacterial diseases are caused by invasion of bacteria after a predisposing condition, such as viral infections, stresses, tissue injuries, and dietary upsets. A bacterial disease may affect a single tissue or organ, or it may affect multiple tissues and organs of the animal.