塑料大棚栽培草每，经济效益好，一般亩纯收入万元左右，高的超过了3万元，深受广大农民欢迎，今年我地面积扩大很快，已成为当地农民一条有效的致富途径，但是，由于大棚草毒在冬季开花，缺乏授粉媒体，严重影响了草毒的产量和质量，因果形歪斜，外观差，对经济效益的影响更加 Plastic greenhouse cultivation of grass, good economic returns, the general average net income of 10,000 yuan, high of more than 30,000 yuan, welcomed by the majority of farmers this year, I expanded the area quickly, has become an effective way for local farmers to get rich, However, due to the green flowering in the greenhouse in the winter, the lack of pollination media severely affected the yield and quality of the grass virus. The causal shape was skewed and the appearance was poor, further affecting the economic benefits