/oss/taxonomy/term/5301/all en /oss/article/environment-general-science/cocaine-natural-scourge <p>While walking around the exhibit hall at an agricultural conference a few years ago, when we could still travel, I perused the usual displays of farming equipment and industry booths promoting various pesticide and fertilizer formulations. To my surprise, there were also a number of booths selling video surveillance equipment. Why would farmers be interested in these I wondered? A chat with a salesperson quickly brought on a forehead-slapping “aha” moment. Farmers use ammonia as a fertilizer that is stored in large tanks on the property.</p> Thu, 25 Mar 2021 12:30:06 +0000 Joe Schwarcz PhD 8672 at /oss