稻草人自古就被农人用来驱鸟。日本弘前大学农学系近年试用放巨眼气球或悬挂巨眼薄膜充气袋(在巨形球袋上各方位绘直径0.6米大小的黑眼圈)驱鸟。由于巨眼气袋可随风摆动,升空后可视度和黑眼互视效应均高于稻草人,可用于果园、苗床等驱鸟。试验发现,不同绘制方法的巨眼气球,驱鸟作用在几天到两周不等。 Scarecrows have been used by farmers to repel birds since ancient times. Hirosaka University, Department of Agronomy, Japan In recent years, try to put huge balloon or giant giant eye film inflatable bag (in the giant ball bag on all directions to draw the diameter of 0.6 m black eye) bird. Due to giant air bags can swing with the wind, after the launch of visibility and black eye mutual effect are higher than the scarecrow, can be used for orchards, seedbed and other birds. Tests found that different methods of drawing the giant balloon, the role of birds in a few days to two weeks ranging.