1. Phosphorous status and adsorption characteristics of acid soils from Cheha and Dinsho districts, southern highlands of Ethiopia;B Ayenew;Environ Syst Res,2018
2. Assessment of soil fertility status of Vertisols under selected three land uses in Girar Jarso District of North Shoa Zone, Oromia National Regional State;S Berhanu;Ethiopia. Environmental System Research Journal,2016
3. Phosphorus sorption with soil properties in some cultivated Swedish soils;K Bolland;Nutrient Cycling Agroecosyst,2001