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Browsing University of Hertfordshire by Author "Tzilivakis, John"
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A comparison of carbon accounting tools and an evaluation of their potential for greenhouse gas mitigation
Green, Andrew; Warner, Douglas; Tzilivakis, John; Lewis, Kathleen (2013-10)This paper presents the findings of a study that compared a number of carbon accounting tools suitable for European farm businesses, including CALM, IMPACCT, CPlan, COOL and others promoted by retailers, the aim being to ... -
Comparison of the Assured British Pigs Farm Standard with EUREPGAP
Tzilivakis, John; Lewis, Kathleen; Green, Andrew; Warner, Douglas (Assured Food Standards (AFS), 2005-07-04) -
Crop Protection Product Information System
Newbold, Marguerite; Department of Human and Environmental Sciences; Health & Human Sciences Research Institute; Agriculture and Environment Research Unit; Tzilivakis, John; Lewis, Kathleen (Syngenta, Chile, 2002) -
Crop specific implications of yield and energy use efficiency in non-inversion tillage systems
Warner, Douglas; Stobart, Ron; Morris, Nathan; Tzilivakis, John; Green, Andrew; Lewis, Kathleen (2016-02-23)This paper reports how non-inversion (reduced) tillage impacts energy consumption and crop yield, utilising 8 years of replicated field trials undertaken by The New Farming Systems study in the East of England. Tillage ... -
Delivering the indicator message at farm level
Tzilivakis, John; Lewis, Kathleen (2002) -
Determining the Climate Change Mitigation Potential of Countryside Stewardship
Warner, Douglas; Tzilivakis, John; Green, Andrew; Charlton, Danielle; Lewis, Kathleen (2019-01-09)Short communication explaining the approach adopted to a research project aimed at understanding the climate change mitigation benefits of England's Countryside Stewardship Scheme -
Developing practical techniques for quantitative assessment of ecosystem services on farmland
Tzilivakis, John; Warner, Douglas; Holland, John (2019-11-01)The application of the concept of ecosystem services in the context of environmental management of agricultural landscapes is a relatively new and developing topic. There is increasing demand for the delivery of ecosystem ... -
The development and use of farm level indicators in England
Tzilivakis, John; Lewis, Kathleen; Findon, Richard (2002)In recent years the concept of ‘sustainability indicators’ has become important within agricultural policy development. Numerous indicators have been proposed by agricultural scientists and statisticians, which reflect the ... -
Development of a data set of pesticide dissipation rates in/on various plant matrices for the Pesticide Properties Database
Lewis, Kathleen; Tzilivakis, John (2017-08-29)Data relating to the rate at which pesticide active substances dissipate on or within various plant matrices are important for a range of different risk assessments including those related to occupational exposure and ... -
The development of a novel means of scoring and ranking the benefits and disbenefits arising from agriculture : Final report for MAFF Project CSA2958
Tzilivakis, John; Lewis, Kathleen; Broom, Clare; Tucker, P.; Drummond, C.; Cook, R. (Ministry of Agriculture, Fisheries and Food (now Defra), 1996) -
Development of an improved pesticide properties database for risk assessment.
Lewis, Kathleen; Green, Andrew; Tzilivakis, John (2007)There is a need for a single authoritative comprehensive database of pesticide properties that is available as both an online resource and in a portable electronic format suitable for embedding in or interrogating from ... -
Development of software to plan conversion to organic production (OrgPlan)
Tzilivakis, John; Padel, Susanne; Measures, Mark; Stockdale, Elizabeth; Watson, Christine (2002) -
The development of software to support planning conversion to organic agriculture
Tzilivakis, John; Lewis, Kathleen (2001-06-18)Planning is essential to the successful conversion of conventional to organic farming. Currently, advisors base planning on personal experience and expertise, historical and market data. The process can be time consuming ... -
Ecological Focus Areas and beneficial insect (Coleoptera: Carabidae) conservation for pest control: habitat suitability and farm specific factors
Warner, Douglas; Tzilivakis, John; Green, Andrew; Lewis, Kathleen (2017-03-29)Ecological Focus Areas (EFAs) were introduced as a component of the Common Agricultural Policy (CAP) 'greening' measures. Different options are available depending on those activated by individual Member States, but across ... -
Ecological Focus Areas Calculator
School of Life and Medical Sciences; Agriculture and Environment Research Unit; Agriculture, Food and Veterinary Sciences; Geography, Environment and Agriculture; Department of Biological and Environmental Sciences; Department of Human and Environmental Sciences; Health & Human Sciences Research Institute; Tzilivakis, John; Warner, Douglas; Green, Andrew; Lewis, Kathleen (2015-10-20)The EFA software is a prototype tool that has been designed to perform two key functions: (1) provide a facility to describe and declare features on the farm as Ecological Focus Areas (EFAs); and (2) Assess the impact of ... -
The EFA calculator : A software tool to support farmers decisions on Ecological Focus Areas
Tzilivakis, John; Warner, Douglas; Angileri, Vincenzo (2015-11-24)Farming has a central role to play in the delivery of a number of desirable ecosystem services and the enhancement of biodiversity. However, despite the fact that that there has been significant emphasis placed on environment ... -
Effective Approaches to Environmental Labelling of Food Products : Final Report for Project FO0419
Tzilivakis, John; Green, Andrew; Warner, Douglas; McGeevor, Kate; MacMillan, Tom; Lewis, Kathleen (Department for Environment, Food and Rural Affairs (Defra), 2011-01-06)The environmental impacts of food production are complex and accumulate throughout a supply chain from primary production to processing, packing, distribution, retail and end use (consumption and waste management). The ... -
Environment and Energy Impact Assessment for Sugar Beet Production Systems : Final report for the British Beet Research Organisation (BBRO)
Tzilivakis, John; Lewis, Kathleen; Green, Andrew; Warner, Douglas; May, M.; Jaggard, Keith (British Beet Research Organisation (BBRO), 2003) -
Environmental assessment of sugar beet production
Tzilivakis, John; Jaggard, Keith; Lewis, Kathleen; May, M.; Warner, Douglas (2002-02-13)Environmental impact assessments are often used to aid decision-making on complex planning issues and the use of such techniques within agriculture is about to come of age. Sophisticated risk assessment methods are now ... -
Environmental Auditing for the Hardy Nursery Stock Industry : Final report to Defra for project HH1945
Lewis, Kathleen; Tzilivakis, John; Calvert, Adele (Department for Environment, Food and Rural Affairs (Defra), 2002-04-30)Although quite fragmented, comprising of a few large growers and many smaller enterprises, the hardy nursery stock industry supplies garden centre retailers with an astonishing range of plants and is worth around £217million. ...