Fenta, H.M.Hussein, M.A.Tilahun, Seifu A.Nakawuka, ProssieSteenhuis, Tammo S.Barron, JennieAdie, AberraBlümmel, MichaelSchmitter, Petra S.2021-11-202021-11-20https://hdl.handle.net/10568/116171Berken plow and intercropping with pigeon pea ameliorate degraded soils with a hardpan in the Ethiopian highlands