Nairobi, Feb. 10 -- Susan Kasei speaks of soya bean farming with such fulfilled excitement. From the first harvest of one 90kg bag from her half-acre land in Itambo village, Vihiga County, her life looked up.

"I'd harvest just 10kg of maize and I'd say I'm an excellent farmer not knowing that I was actually a poor farmer," she says.

For every kilogramme of soya bean, she earned Sh200 compared to Sh160 for the 2kg tin of maize.

Read: Kenyan women deserve more credit for their role in agriculture

"The earnings are impressive. Now I know I'm a good farmer," she says with a laugh.

Susan had zero information about either the profitability or nutritional value of soya until she met officers from the Ministry of Agriculture during farmers' ...