Response of tef (Eragrostis tef (Zucc.) Trotter) yield to nutrient management under rainy and irrigation production systems in northwestern Amhara, Ethiopia - Zerfu Bazie; Tadele Amare; Erkihun Alemu; Bitewulign Kerebh; Abere Tenagn; Abrham Awoke; Zmie Ambaw; Beamlaku Alemayehu; Anteneh Abewa; Ataklte Abebe; Tesfaye Feyisa; Birhanu Agumas (PLoS ONE, 2025)