| http://www.w3.org/ns/prov#value | - Again, under adverse conditions such as drought or intentional water draw-downs, the snails will simply seal up and go dormant. ???Farmers in Hawaii have reported that they have to completely dry their fields for 18-months in order to achieve one hundred percent kill rates on the snails.Due to their habit of remaining almost constantly underwater, the actual snails are rarely seen.
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