Show GREAT BENEFIT IN ROTATION prevents diseases and insect pests insects thrive only on certain kind of plants the successive crops in any rotation should be so selected and arranged that no two upon which the same pest may thrive will be grown in sion the principles of disease control by means of crop rotation are based upon the fact that certain pests can thrive only on certain kinds of plants therefore when the crops are changed and the food supply thereby cut off the pests must perish or be greatly reduced in number |