IKHAJIAGBE, B., ANOLIEFO, G.O., OLISE, O.F., RACKELMANN, F., SOMMER, M. and ADEKUNLE, I.J. 2020. RETRACTED: Major phosphorus in soils is unavailable, yet critical for plant development. Notulae Scientia Biologicae. 12, 3 (Sep. 2020), 500–535. DOI:https://doi.org/10.15835/nsb12310672.