THE Minister of State in the President's Office Regional Administration and Local Governments, Mr Selemani Jafo has called for intensified agricultural research to effectively contribute and increase production yields to farmers. The Minister issued the call at the launch of agricultural exhibition 'Nanenane' day at Nzuguni grounds in Dodoma yesterday. He said there is a need for researchers to reach farmers countrywide with helpful information that would foster the improvements of their crop productions. "Research must provide answers as to why farmers are still harvesting low in their fields and suggest new measures, which would increase production and raise their incomes," he added.