... , leech, nematodes, other aquicolous insects etcinsects; getting rid of the pests in the lawn, especially it can be use in golf course ... 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 ... in water and are not injurious to animals/ people use the water; 7. Leave no cumulative adverse residues, no pollution ...