近两年来北方地区充分发挥夏季气候冷凉、昼夜温差大的条件,利用日光温室和大棚种植长货架番茄获得了较高的效益,产品主要销往南方及东南亚等市场,既满足了南方淡季市场的需求又增加了农民的收入。但是部分地区由于栽培管理不当引发生理性病害,使产品达不到出口外运的标准且产? In the past two years, the northern region has given full play to the conditions of cold and cool summer weather and large temperature difference between day and night. The long-shelf tomato production by using sunlight greenhouse and greenhouse has gained relatively high benefits. The products are mainly sold to the markets of South and Southeast Asia, The demand has increased the income of peasants. However, due to improper cultivation and management in some areas lead to physiological diseases, the product can not reach the standard of export Sinotrans and production?