Earthquakes

 Tea Cultivation on the Hillside - Sawa, Indonesia Mountains and plateaus are important landforms. Among them, alluvial plains with level terrain are most suitable for agriculture. The plains of the world are the most fertile lands. For example the North Indian Plains of India. This plain is an ideal terrain for doing agriculture. Agriculture is less prevalent in hilly areas as there is very little flat land. But the hill slopes are ideal for growing coffee and tea crops. A well-drained and undrained hill slope is required to grow this crop. As Tamils have been engaged in agriculture for centuries, there is knowledge of the nature of lands in literature and case. Generally, according to the water catchment of the lands, they are classified as Nansei land and Bunsei land.