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We provide four mapped products: IYR for Nitrogen fertilisers, IYR for Phosphorus fertilisers, IYR for pesticide risk to earthworms, and IYR for pesticide risk to honeybees. The IYR is calculated using scaled rather than absolute values, with the maximum value in each yield and inputs dataset set as 1, so that all inputs and rewards are expressed proportionally to each other.\n\nThe research was funded under research programme NE/N018125/1 ASSIST and NE/W005050/1 AgZero+.","distributionFormats":[{"name":"TIFF","type":"image/tiff","version":"unknown"}],"distributorContacts":[{"organisationName":"NERC EDS Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"distributor","email":"info@eidc.ac.uk"}],"funding":[{"funderName":"Natural Environment Research Council","funderIdentifier":"https://ror.org/02b5d8509","awardTitle":"Achieving Sustainable Agricultural Systems (ASSIST)","awardNumber":"NE/N018125/1","awardURI":"https://gtr.ukri.org/projects?ref=NE/N018125/1","orcid":false,"ror":true},{"funderName":"Natural Environment Research Council","funderIdentifier":"https://ror.org/02b5d8509","awardTitle":"Towards Sustainable, Climate-Neutral Farming Systems (AgZero+)","awardNumber":"NE/W005050/1","awardURI":"https://gtr.ukri.org/projects?ref=NE/W005050/1","orcid":false,"ror":true}],"id":"dfe2a4a5-2b3a-4731-ba7f-aea7e926f1dd","incomingCitationCount":0,"infoLinks":[{"url":"https://data-package.ceh.ac.uk/sd/dfe2a4a5-2b3a-4731-ba7f-aea7e926f1dd.zip","name":"Supporting information","description":"Supporting information available to assist in re-use of this dataset","function":"information","type":"OTHER"}],"inspireThemes":[{"theme":"Agricultural and Aquaculture Facilities","uri":"http://inspire.ec.europa.eu/theme/af"}],"keywordsOther":[{"value":"ASSIST"},{"value":"AgZero+"},{"value":"Environmental harm"},{"value":"Farming"},{"value":"Input to Yield Ratio"},{"value":"IYR"},{"value":"HoneyBees"},{"value":"Wheat"},{"value":"Yield"},{"value":"agrochemical","uri":"http://www.eionet.europa.eu/gemet/concept/237"},{"value":"environmental sustainability","uri":"http://www.eionet.europa.eu/gemet/concept/15163"},{"value":"pesticide","uri":"http://www.eionet.europa.eu/gemet/concept/6140"},{"value":"phosphorus","uri":"http://www.eionet.europa.eu/gemet/concept/6196"},{"value":"nitrogen","uri":"http://www.eionet.europa.eu/gemet/concept/5605"},{"value":"food production (agriculture)","uri":"http://www.eionet.europa.eu/gemet/concept/3378"},{"value":"fertiliser","uri":"http://www.eionet.europa.eu/gemet/concept/3169"},{"value":"earthworm","uri":"http://www.eionet.europa.eu/gemet/concept/2408"}],"keywordsTheme":[{"value":"Agriculture","uri":"http://onto.nerc.ac.uk/CEHMD/topic/1"},{"value":"Environmental risk","uri":"http://onto.nerc.ac.uk/CEHMD/topic/5"},{"value":"Mapping","uri":"http://onto.nerc.ac.uk/CEHMD/topic/18"},{"value":"Land use","uri":"http://onto.nerc.ac.uk/CEHMD/topic/12"},{"value":"Modelling","uri":"http://onto.nerc.ac.uk/CEHMD/topic/13"}],"licences":[{"value":"This resource is available under the terms of the Open Government Licence","code":"license","uri":"https://eidc.ac.uk/licences/ogl/plain"}],"lineage":"We mapped estimated pesticide and fertiliser applications to 1km grid squares in England using data from the Fera Pesticide Utilisation Survey and the British Survey of Fertiliser Practice, respectively. Estimated pesticide applications were converted to risk values to honeybees and earthworms using information on toxicity from the Pesticide Property Database. Areas with winter wheat crop were identified from the UKCEH Land Cover® plus: Crops map. Data from the June Survey of Agricultural and Horticultural activity were used to create an average wheat yield map for England.\n\nWe then compared the fertiliser and pesticide application datasets separately to estimated yields of wheat in order to derive the Input to Yield Ratio (IYR) for four separate agrochemical inputs: Nitrogen fertilisers, Phosphorus fertilisers, pesticide exposure for earthworms, and pesticide exposure for honeybees.","metadataDate":"2026-06-27T19:24:48","notGEMINI":false,"onlineResources":[{"url":"https://data-package.ceh.ac.uk/data/dfe2a4a5-2b3a-4731-ba7f-aea7e926f1dd","name":"Download the data","description":"Download a copy of this data","function":"download","type":"OTHER"},{"url":"https://data-package.ceh.ac.uk/sd/dfe2a4a5-2b3a-4731-ba7f-aea7e926f1dd.zip","name":"Supporting information","description":"Supporting information available to assist in re-use of this dataset","function":"information","type":"OTHER"}],"pointsOfContact":[{"familyName":"Risser","givenName":"Hannah","organisationName":"UK Centre for Ecology & Hydrology","organisationIdentifier":"https://ror.org/00pggkr55","role":"pointOfContact","email":"enquiries@ceh.ac.uk","address":{"deliveryPoint":"Lancaster Environment Centre, Library Avenue, Bailrigg","city":"Lancaster","administrativeArea":"Lancashire","postalCode":"LA1 4AP","country":"United Kingdom"},"fullName":"Risser, H.","pointOfContact":"UK Centre for Ecology & Hydrology"}],"publicationDate":"2023-11-11T00:00:00.000Z","publishers":[{"organisationName":"NERC EDS Environmental Information Data 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