Geographical environment of Quzhou County
The average annual rainfall is 556.2 mm, and the precipitation is mainly concentrated from July to September, accounting for one third of the annual rainfall. The same period of rain and heat is very beneficial to agricultural production and has great potential for land production. However, drought and windy in spring, nine droughts in ten years, cold in winter, scarce rainfall, drought and diseases and insect pests are the most harmful natural disasters to agricultural production. Water resources in Quzhou County can be divided into three parts: natural precipitation, transit surface water and groundwater. According to statistics, the self-produced runoff is17.258 million cubic meters, the total surface water on the way is 2667170,000 cubic meters, and its available amount is only 56130,000 cubic meters. Groundwater resources include shallow fresh water, brackish water and deep fresh water. The total amount of shallow saline water resources is19.252 million cubic meters.