The Onion Producers and Marketers Association of Nigeria (OPMAN) said on Monday that the country could generate about $420 million (about N151 billion) annually from onion cultivation. OPMAN’s Secretary-General, Mr. Aliyu Maitasamu, said this at the 2019 General Assembly of Regional Observatory of Onion Sector in West and Central Africa, in Sokoto. According to him, […]