TY - JOUR A1 - Quin, B T1 - Phosphate rocks for direct application - which, where and why. Comment on 'The effectiveness of rock phosphate fertilisers in Australian agriculture: a review' by M.D.A. Bolland, R.J. Gilkes and M.F.D'Antuono (Aust. J. Exp. Agric. 1988, 28 655-668) JF - Australian Journal of Experimental Agriculture JO - Aust. J. Exp. Agric. Y1 - 1989 VL - 29 IS - 5 SP - 695 EP - 700 KW - UR - https://doi.org/10.1071/EA9890695 ER -