UNFAVOURABLE WEATHER CONDITIONS Weather plays an important role in determining the success of agricultural activities, since adverse weather conditions can cause production loss, especially if they occur during critical stages of growth. These are some of the extreme phenomena impacting on agriculture. MORE It means planting two or three crops in the same field to guarantee some yields in case of crop failure. 1 DO What is the difference between a hurricane, a typhoon and a cyclone? 1 MORE A tornado is a strong violent circular wind with a long, funnel-shaped cloud that extends to the ground. In the US the word twister is often used in its place. They are typical of coastal areas of the Atlantic and Pacific Ocean and sometimes they travel inland. 2