Over time, the amount of N in wheat plants was 1.4 to 2 times higher with earthworms than without and wheat plants were also slightly taller in the presence of earthworms. Where wheat residues were present, earthworms increased the number and dry
Over time, the amount of N in wheatplants was 1.4 to 2 times higher with earthworms thanwithout and wheat plants were also slightly taller in thepresence of earthworms. Where wheat residues werepresent, earthworms increased the number and dry