International Sugar Journal

Controlled release fertilisers—lessons from a review and early results characterising release, synchrony and nitrogen losses* [Full subscriber]

Abstract The recent interest in the use of controlled release fertilisers to reduce nitrogen (N) loss and increase N use efficiency in sugarcane systems warrants a closer look at the understanding and lessons gained from experimental trials to date. This paper presents lessons from a review of the available, published evidence. It also presents early results from SRA project 2014/011 characterising N release from a range of controlled release fertiliser products and uses modelling to explore N uptake patterns and N loss pathways. The modelling also provides insights into how yield or fertiliser N use efficiency benefits will likely occur.…

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