Current fertiliser recommendations for nitrogen are limited in their accuracy and may be improved by the use of simple on-farm soil rapid tests. This paper investigates the potential for using nitrate (NO₃⁻) ion selective electrodes (ISEs) and dual wavelength UV spectroscopy as part of a rapid...

Purpose – This paper seeks to provide an overview and context for the emerging field of public policies for scaling voluntary standards, or private regulations, on the social and environmental performance of business and finance, to promote sustainable development; in order to stimulate more...