Native earthworms from Canada were removed by the last glaciers and of the 19 species confirmed in Ontario,
-curve(curve);
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17 originate from Europe and 2 from the United States. Since the retreat of the glaciers, the forested systems of Ontario have evolved without earthworms and their establishment in these areas significantly threatens the health of the forest lands.
No, red wiggler only. Red Wiggler worm castings are 5 times richer in Nitrogen, 7 times richer in Phosphates and 11 times richer in Potassium than the average soil
-zhuimeng(追梦);
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