... seed meal , it can be used in Cleaning up the Pond in Aquaculture; killing snail, various wild fishes , the unusable-fish,loach, spawns of ... nematodes, other aquicolous insects etcinsects; getting rid of the pests in the lawn, especially it can be use in ... the growth of algae; 4. fatting the water and strengthens the fertility soil;5. Eliminate earthworm,getting rid of many kinds of the pests in the ...