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今年我县飞机播种牧草二万亩,草种选用沙打旺和草木栖。每亩播种沙打旺4两,草木栖2两,共六两。播区为海拔1300—1500米的山区,坡度一般20°—30°,植被30—40％,立地条件较好。在飞播作业中,我们根据4年来飞播油松、牧草的经验,做了如下的改进:一、改进熏烟方法和配料。过去我们就地将烟雾料点燃,点火容易灭火难,转移就更难了,尤其是两架飞机作业,空隙时间不长。为解决这一问题,我们制作了熏烟筒,
This year my county plane sowing grass twenty thousand acres, the choice of grasses sand and vegetation Wang Wang habitat. Sowing sand per acre sowing four acres, grass habitat two two, a total of six two. Broadcasting area of 1300-1500 meters above sea level for the mountain, the general slope of 20 ° -30 °, vegetation 30-40%, site conditions better. In aerial operations, based on the experience of aerial seeding of pine and pasture in the past four years, we made the following improvements: First, we improved the methods and ingredients of fumigation. In the past we lit the fumes on site, easy to extinguish the fire, the transfer is even more difficult, especially the two aircraft operations, the gap is not long. To solve this problem, we made a fumigation cartridge,