picture of earthworm count at field day - cow pie on left, field count on the right. This field started with 1 earthworm found in a total of 5 random sample sites. Keep in mind these are loamy sands and sandy loam soils that need irrigated.
Edited to add in additional links, pix, and description.
Edited by NoTill1825 6/12/2019 06:58
(metzger 2018 field day earthworm count (full).jpeg)