1. Slow movement of alkali from surface-applied lime warrants the introduction of strategic tillage for rapid amelioration of subsurface acidity in south-western Australia;Azam;Soil Res.,2020
2. Use of K/Rb ratio to characterize potassium uptake by plant roots growing in soil 1;Baligar;Soil Sci. Soc. Am. J.,1978
3. Effects of a compacted subsoil layer on root and shoot growth, water use and nutrient uptake of winter wheat;Barraclough;J. Agric. Sci.,1988
4. Blackwell, P., Isbister, B., Riethmuller, G., Barrett-Lennard, E., Hall, D., Lemon, J., Hagan J., & Ward, P. (2016). Deeper ripping and topsoil slotting to overcome subsoil compaction and other constraints more economically: way to go. In Proceedings of the 2016 Grains Research Update. Available at 〈http://www.giwa.org.au/_literature_209551/Blackwell,_Paul_et_al_-_Deeper_ripping_and_topsoil_slotting〉 (accessed 10 November 2020).
5. In vitro evidence of aluminium effects on solution movement through root cell walls;Blamey;J. Plant Nutr.,1993