Citation

Hibberd DE , Want PS , Hunter MN , Standley J , Moody PW Blight GW (1991) Marginal responses over six years by sorghum and sunflower to broadcast and banded phosphorus on a low P Vertisol, and changes in extractable soil phosphorus. Australian Journal of Experimental Agriculture 31, 99-106.

https://doi.org/10.1071/EA9910099