Jurong city film mulching method molluscicidal effect
Objective To evaluate the effect of killing oncomelania snails with film mulching in the fish pond and ditch .Methods Select the Baohua town oncomela-nia snails density were higher in Yin Chang Da Tang and wearing a floor length Tang were investigated the oncomelania snails density ,Using a simple plastic film mulc-hing and ammonium bicarbonate dry them after the film covering method for oncomelania snails control ,Each with the cover within 4 months after the 15 day( when the weather reason can be postponed)monitoring membrane temperature,density of oncomelaniasnails,oncomelania snails mortality rate.Results the density of living snail molluscicidal ago respectively:17.4 /0.1m2,13.2 /0.1m2,plastic film mulching Oncomelania snails in mortality after 4 months has reached 100%.Conclusion plastic film mulching method(plus ammonium bicarbonate or simply cover)can effectively kill Oncomelania snails,Can effectively avoid the molluscicide damage to fish and oth-er aquatic animal,In water area and aquatic animal breeding areas should be promoted as a snail control method .
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