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's expansive ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the men harvested the guano from a bat colony living in his attic. Two men from New York died from pneumonia they ...

Two men from New York have died after using bat poop as a fertilizer to grow cannabis. According to Live Science, the Rochester residents died from pneumonia after the bat poop — also known as guano — ...

ROCHESTER, N.Y. (Gray News) - Two men from New York have died after using bat feces as a fertilizer to grow cannabis. According to a study published in Open Forum Infectious Disease, the Rochester ...

Bat poop—yes, bat poop—is far more fascinating than you might think. You probably don’t give it much thought (unless it’s in your attic), but believe it or not, bat droppings have shaped history, ...

Two men from New York died from pneumonia they contracted from bat feces — after they used the excrement as fertilizer to grow marijuana, a new study found. The unidentified men from Rochester, ages ...