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施放烟雾剂结合农家柴草熏烟,可制造浓密而连续的烟幕环境,防霜效果较好。山区取柴方便,用柴草熏烟成本较低,但用量太大,且由于固定设置柴草堆,因而不易制造出浓密而连续的烟幕。如果单独使用烟雾剂,成本又太高,如按5小时计算,每1000平方米约需7.5元。而烟雾剂与柴草熏烟结合,则相同时间,每1000平方米只需2～2.5元,如果自己制造烟雾剂,则成本更低。柴草熏烟法在田边、地头,一般每隔50～70米堆放一堆,底层铺
Application of aerosol combined with farm firewood, can create a thick and continuous smoke environment, better anti-frost effect. Mountain to get the convenience of firewood, firewood with firewood costs less, but the amount is too large, and because of the fixed set of firewood heap, which is not easy to create a thick and continuous smoke screen. If the use of aerosol alone, the cost is too high, as calculated by 5 hours, about 1,000 yuan per square meter about 7.5 yuan. The combination of smoke and firewood with firewood, the same time, only 1,000 yuan per square meter 2 to 2.5 yuan, if you create your own aerosol, the cost is lower. Firewood fireworks in Tanabe, to the ground, generally stacked pile every 50 to 70 meters, the bottom shop