温度是果树生态环境中的首要因素,对果树作物的生命活动起着十分重要的作用。它不仅决定着果树种类和品种的分布,而且可以促进或延缓果树的生长发育;它还直接影响果树的产量和果品质量,进而影响商品价值和经济效益。实践证明:果树生长在温 Temperature is the primary factor in the ecological environment of fruit trees and plays a very important role in the life activities of fruit trees. It not only determines the distribution of fruit tree species and varieties, but also can promote or delay the growth and development of fruit trees. It also directly affects fruit tree yield and fruit quality, thus affecting the value of goods and economic benefits. Practice has proved that: fruit trees grow in warm