Abstract

Tobacco waste can be molluscicide for Golden Apple snail control in paddy field as trialed in 3 experiments e.g.
laboratory, green house and field trial. In laboratory found LD50 of tobacco waste on golden apple snail, fish, frog and
crab were 5456.25, 687.5, 1562.5 and 5000 Kg/ha respectively. In greenhouse and field trial were found rate of tobacco
waste at 1562.5 Kg/ha could kill golden apple snail 100% in two days. Tobacco waste affected to increased electrical
conductivity, biological oxygen demand, chemical oxygen demand in water but decreased water pH and dissolved
oxygen. Otherwise, tobacco waste can be supplied soil fertility with high organic matter, available phosphorus,
exchangeable potassium, calcium and magnesium. Tobacco waste can be increased rice growth and yield without
nicotine and acute toxicity inspected.

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