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药物灭螺是目前常用的灭螺措施之一。我们在使用药物灭螺时,既应注意到灭螺的质量,同时还应从有利于农业生产出发。灭螺所用的药物有一定的浓度要求。各种药物的用量必须严格掌握。浓度太低,起不到灭螺作用;浓度过高,造成药物浪费,既不能增加灭螺效果,还易发生人、畜中毒事故。血防-67浸杀灭螺,每立方米水用药2克,25立方米水加药50克。水深3寸的水田,每亩用药135克。沿边铲草浸杀,每米用药2克,每50米用药100克。沿边喷杀,每平方
Medication snail is one of the commonly used snail-killing measures. When we use the drug to kill snails, we should pay attention to the quality of molluscicides, and at the same time we should proceed from the benefit of agricultural production. Snail used drugs have a certain concentration requirements. The amount of various drugs must be strictly controlled. Concentration is too low, can not play the role of snail; concentration is too high, resulting in waste of drugs, neither increase the snail effect, but also prone to human and animal poisoning. Anti-blood -67 Dip kill snail, medication 2 grams per cubic meter of water, 25 cubic meters of water dosing 50 grams. Water depth of 3 inches of paddy, 135 grams per mu medication. Shovel along the grass dip, 2 grams per meter medication, medication 50 grams per 50 meters. Spray along the edge, each square