Collection Sustainable Production Grant (window 4) Follow these rules and guidance for window 4 of the Sustainable Production Grant. Part of: Sustainable Production Grant (Sub-topic) First published: 7 March 2019 Last updated: 8 February 2021 Documents General rules booklet 7 March 2019 Guidance List of items for which you can apply for funding 17 August 2018 Guidance Core criteria, nutrient efficiency and water efficiency form 17 August 2018 Form Supporting document guide 30 September 2019 Guidance Contract terms and conditions 4 July 2019 Guidance