Ref1

http://ugspace.ug.edu.gh/bitstream/handle/123456789/23670/Effect%20of%20Npk%20Fertiliser%20on%20Growth,%20Flowering%20and%20Yield%20of%20Fonio%20Digitaria%20Exilis%20in%20A%20Coastal%20Agro-Ecological%20Environment%20Of%20Ghana.pdf?sequence=1