place
As a result of a detailed description and climatic features, the area is good for cultivation is small. Only about 10 percent of China’s total land area. Of this, slightly more than half is unirrigated, and the remainder is divided roughly equally between paddy fields and irrigated areas; good progress has been made in improving water conservancy. In addition, the quality of the soil in cultivated regions varies around the country, and environmental problems such as floods, drought, and erosion pose serious threats in many areas.