agricultural disease的用法和样例：
例句
- Then one year, agricultural catastrophe struck Michigan in the form of Dutch Elm Disease.
后来有一年，荷兰榆树病袭击了密西根州，造成了农业的大灾难。 - Please state the disease cycle, the disease development and the control methods of Cruciferous vegetable bacterial soft rot.
哪些农业措施或农田管理措施能提高大白菜对软腐病的抗性？
