Field workers spread locally-sourced bat guano fertilizer on biodynamically grown marijuana plants ... [+] at the SPARC cannabis farm in Glen Ellen, Calif. on Friday, July 14, 2017. Erich Pearson ...
Crystalweed Cannabis via Unsplash Two marijuana growers in Rochester, New York, died after contracting a deadly fungus from bat poop, intended for fertilizing their plants, doctors said.