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使用药物喷洒法灭螺往往会遇到现场缺乏水源或远离水源而给灭螺工作的实施造成困难。为了适应易感地带不同环境条件下的灭螺需要，我们于1994年秋季及1995年春、秋两季以江硝柳胶为材料，同时采用项枉法与喷洒法进行了三次现场杀间效果的平行比技研究，现将结果报告如下．且实
The use of drug spraying method of snail often encounter on-site lack of water or away from the water supply to the work of the implementation of snail cause difficulties. In order to adapt to the snail-killing needs under different environmental conditions in the susceptible zone, we conducted a series of field-kill effects parallel to the in-field and spray-on methods with the use of Jiangliu Liujiao in the autumn of 1994 and the spring of 1995 and the autumn of 1995. Than the technical research, the results are reported as follows. And real