Chimdessa, T., Takele, C., Bayeta, G., Gemada, F. and Leta, R. (2023) “Soil test crop response based phosphorous calibration study on maize at Abay Choman district, Horo Guduru Wollega zone, Oromia region, Ethiopia”, Journal of Scientific Agriculture, 7, pp. 1–5. doi: 10.25081/jsa.2023.v7.7639.