Influence of GaoxiaoBt and Kemanling on Growth of Earthworm

Two Bio-pesticides on the growth and death of earthworm by the different concentration diluted 100 times, 50 times will affect the earthworm reproduction. The concentration diluted over 200 times will have no effect on the growth and reproduction of earthworm. Kemanling (0.5%avermecti) diluted 1000 and 500 times will effect the earthworm, 100 times will restrain the growth of earthworm. Diluted over 1000 times will have no effect on the growth and reproduction of earthworm.