Kassaye Worku, Mulatu; Dechassa, Prof. Nigussie; Bayu, (PhD) Wondimu; Mekbib, (PhD) Firew
(Haramaya university, 2015-12)
Wheat is one of the most important food grain sources of livelihood for smallholder farmers of the Gozamin district in north-western Ethiopia. However, the productivity of the crop is markedly low due to low soil fertility ...