Potential of forage legumes to replace the traditional fallow-barley rotation system in the cool-high land of Bale
2003
Teshome Abate(Oromiya Agricultural Research Institute, Sinana (Ethiopia)) | Tekleyohannes Berhanu(Oromiya Agricultural Research Institute, Sinana (Ethiopia)) | Solomon Bogale(Oromiya Agricultural Research Institute, Sinana (Ethiopia)) | Dagnachew Worku(Oromiya Agricultural Research Institute, Sinana (Ethiopia))
The study was conducted in between 1997-2000 at upper Dinsho 3125 ma.s.l) in cool Bale high lands to assess the potential of forage legumes-barley rotation systems. Two forage legumes (vetch and Snail medics) were planted in 1997/98 and 1998/99 including, barely 'falibaye' was sown on the fallow and on all plots which were under the precursor crops (Vetch, Snail Medics, barley with and without fertilizer, and fallow) in 1997/98 and 1998/99. Result indicated that both forage legumes (vetch and snail medics) successfully established and gave mean dry matter yield of 2.0 and 0.7 t/ha, respectively. There was significant (p0.05) variation in barley grain and straw yield due to the effect of the first phase rotation crops. The combined analysis of the two years indicate that barley grain and straw yield increased by 30.29 and 27.38% over the fallow, respectively, in vetch-barley rotation system. Barley grain and straw yields were also relatively higher in medics-barley and fallow-barley rotation system than after the barley- barley rotation systems. Therefore, forage legumes such as vetch and snail medics have the potential to replace the traditional fallow rotation system in the cool highlands of Bale.
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