1. Abdella M, Nigatu L, Akuma A (2020) Impact of parkland trees (Faidherbia albida Delile and Cordia Africana Lam) on selected soil properties and sorghum yield in eastern Oromia, Ethiopia. Agric Forest Fish 9:54
2. Akpalu SE, Dawoe EK, Abunyewa AA (2020) Effects of Faidherbia albida on some important soil fertility indicators on agroforestry parklands in the semi-arid zone of Ghana. Afr J Agric Res 15:256–268
3. Akpo LE, Goudiaby VA, Grouzis M, Le Houerou HN (2005) Tree shade efect on soils and environmental factors in a Savanna of Senegal. West Afr J Appl Ecol 7:41–52
4. Alemayehu G, Asfaw Z, Kelbessa E, Management B, Box PO, Ababa A (2016) Cordia africana (Boraginaceae) in Ethiopia : a review on its taxonomy, distribution, ethnobotany and conservation status. Int J Botany Stud 1:38–46
5. Amare D, Wondie M, Mekuria W, Darr D (2019) Agroforestry of smallholder farmers in Ethiopia: practices and benefits. Small-Scale For 18:39–56