Adama and STK Enter Colombia Distribution Agreement Mar 12, 2019 | Agrochemicals, Biologicals, News Your subscription level does not currently cover this area of our services. Please contact us to find out how to gain access. Username or E-mail Password * Remember Me Forgot Password Tags: Adama, Central and South America, Colombia, difenoconazole, Distribution Agreements, Fungicides, Melaleuca alternifolia extract, STK