关键词: 经济系统, 环境系统, 耦合协调度, 剪刀差, 耦合度模型, 沈阳经济区

Abstract: The temperature and ground temperature in particular is the key factor influencing appreciably the growth and development of tea spring shoots.Water supply can be negligible when the rainfall is great enough to meet the needs of tea growth in spring,concidering freeze in jury,tea plantation in the area off the south of Yangtze River with the elevation of no more than 700 meters above sea level are advisable.

Key words: economic system, environmental system, coupling coordinated degree, scissors difference, coupling degree model, Shenyang Metropolitan Area