Agronomic characteristics and shallot production in Tomohon city, North Sulawesi Olvie G. Tandi, Herlina N. Salamba, Meivie Lintang and Bonifasius Mongan E3S Web Conf., 306 (2021) 01035 Published online: 24 September 2021 DOI: 10.1051/e3sconf/202130601035