Open Access Research Paper Views (673) Download (46) Effect of green manuring in combination with nitrogen on soil fertility and yield of bread wheat (Triticum aestivum) under double cropping system of Sinana-dinsho, Southeast Ethiopia Taye Belachew, Yifru Abera J. Bio. Env. Sci.1( 1), 1-11, February 2011. Key: Double croppingFertilityForage legumesLand preparationMono-cropping Details