Earthworms provide numerous benefits to soil. One of the under-researched side effects of our switch to zero till may be an increase in earthworm activity
When I taught the first year soils class at the University of Saskatchewan, soil biology was a quick study. The rhizobium that fix nitrogen with legumes were discussed in detail. The bacteria that control conversion of organic nitrogen to the mineral forms (nitrate and ammonium) were also considered important. Earthworms The bigger things like earthworms […] Read more