Managing fertiliser inputs on high phosphorus status soils: incorporating soil constraints into decisions
Scanlan, C., Bowden, B., Hüberli, D., Miyan, S., MacLeod, B., Harries, M. and Brennan, R. (2013) Managing fertiliser inputs on high phosphorus status soils: incorporating soil constraints into decisions. In: 2013 Agribusiness Crop Updates, 25 - 26 February
• Soil acidity, water repellence and root disease have been shown to reduce crop access to soil P and where these constraints are present yield responses to fertiliser P have occurred even where soil test P levels are classed as sufficient.
• Assessment of root and soil constraints to soil P availability needs to be integral to the P fertiliser recommendation process.
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