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 ...

Farmers have used guano as fertilizer for thousands of years, and it’s still considered one of the best natural soil enhancers today. It strengthens roots, speeds up growth, and even improves soil ...

It started even before the Incas. Ever since, Peruvians have cherished the 40 million sea birds whose droppings make high-grade fertilizer (guano) for Peruvian farmers. In Inca days, the penalty for ...

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 ...

Two men have died in New York after attempting to grow cannabis in bat excrement. The men, based in Rochester, New York, died after contracting a rare fungal infection in their lungs from the bat ...