Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Catherine L. Gerrard"'
Autor:
Catherine L. Gerrard, Jo Smith, Rebecca Nelder, Ashleigh Bright, Mike Colley, Ruth Clements, Bruce D. Pearce
Publikováno v:
Organic Farming, Vol 1, Iss 1, Pp 38-45 (2013)
Current EU regulations allow 5% of feed for organic poultry to come from non-organic production. This is due to concerns about a 100% organic diet meeting the requirements for specific amino acids such as methionine. This exception is due to end on 3
Externí odkaz:
https://doaj.org/article/80d215f9061b4399af4915316c237478
Autor:
Ruth C. Clements, Laura E. Higham, Jo Smith, Catherine L. Gerrard, Mike C. Colley, Konstantinos Zaralis, Rebecca Nelder, Bruce Pearce, Annie Rayner, Ashleigh Bright
Publikováno v:
Organic Farming, Vol 1, Iss 1, Pp 50-56 (2013)
Current regulations for organic pig and poultry production systems permit feed ingredients of non-organic origin at an inclusion rate of up to 5 per cent. This is primarily due to concerns that there is an insufficient supply of organic protein on th
Externí odkaz:
https://doaj.org/article/e6384f1da60242608145cb4f0d738313
Autor:
Michal Lošťák, Susanne Padel, Catherine L Gerrard, Robert Home, Jakub Husák, Anja Vieweger, Raffaele Zanoli, Corinna Hempel, Matthias Stolze, Ulrich Hamm, Helga Willer, Daniela Vairo
Publikováno v:
Organic Agriculture. 7:141-152
Members of the organic supply chain need high-quality data to make correct investment decisions, but data with sufficient depth and quality are not widely available in Europe. The quality of available data is a key concern for both data collectors an
Predicting the effect of rotation design on N, P, K balances on organic farms using the NDICEA model
Autor:
Cairistiona F.E. Topp, Adrian G. Williams, Stephanie K. Jones, Davide Tarsitano, Bruce Pearce, Laurence Smith, Christine A. Watson, Catherine L Gerrard
Publikováno v:
Renewable Agriculture and Food Systems. 31:471-484
The dynamic model Nitrogen Dynamics in Crop rotations in Ecological Agriculture (NDICEA) was used to assess the nitrogen (N), phosphorus (P) and potassium (K) balance of long-term organic cropping trials and typical organic crop rotations on a range
Publikováno v:
Acta fytotechnica et zootechnica. 18:148-150
Successful decision-making in the organic sector is dependent on the decision makers having high quality market data. However the quality of organic market data in Europe varies greatly and only basic statistics exist in many European countries. Impr
Publikováno v:
British Food Journal. 115:727-742
PurposeThe purpose of this paper is to consider whether UK consumers recognise and trust organic certification logos and whether the presence of these logos on a product increases consumer willingness to pay for that product.Design/methodology/approa
Autor:
Christian Schader, Adrian Müller, Susanne Padel, Lukas Baumgart, Brian Ssebunya, Johan Blockeel, Catherine L Gerrard, Laurence Smith, Jan Landert, Matthias Stolze, Rainer Weisshaidinger, Richard Petrasek, Thomas Lindenthal, Dóra Mészáros, Urs Niggli
Publikováno v:
Sustainability, 8 (3)
Sustainability; Volume 8; Issue 3; Pages: 274
Sustainability, Vol 8, Iss 3, p 274 (2016)
Sustainability; Volume 8; Issue 3; Pages: 274
Sustainability, Vol 8, Iss 3, p 274 (2016)
When trying to optimize the sustainability performance of farms and farming systems, a consideration of trade-offs and synergies between different themes and dimensions is required. The aim of this paper is to perform a systematic analysis of trade-o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70fa377d57f99c5ba7389075690d2250
https://hdl.handle.net/20.500.11850/114831
https://hdl.handle.net/20.500.11850/114831
Autor:
Rebecca Nelder, Laura Elizabeth Higham, Annie Rayner, Mike C. Colley, Ruth Clements, Konstantinos Zaralis, Ashleigh Bright, Catherine L Gerrard, Bruce Pearce, Jo Smith
Publikováno v:
Organic Farming, Vol 1, Iss 1, Pp 50-56 (2013)
Current regulations for organic pig and poultry production systems permit feed ingredients of non-organic origin at an inclusion rate of up to 5 per cent. This is primarily due to concerns that there is an insufficient supply of organic protein on th
Autor:
Ashleigh Bright, Catherine L Gerrard, Bruce Pearce, Jo Smith, Ruth Clements, Rebecca Nelder, Mike C. Colley
Publikováno v:
Organic Farming, Vol 1, Iss 1, Pp 38-45 (2013)
Current EU regulations allow 5% of feed for organic poultry to come from non-organic production. This is due to concerns about a 100% organic diet meeting the requirements for specific amino acids such as methionine. This exception is due to end on 3
Autor:
Laure Triste, Ludwig Lauwers, Catherine L Gerrard, Lies Debruyne, Fleur Marchand, Susanne Padel
Publikováno v:
Ecology and Society
Ecology and Society, Vol 19, Iss 3, p 46 (2014)
ECOLOGY AND SOCIETY
Ecology and Society, Vol 19, Iss 3, p 46 (2014)
ECOLOGY AND SOCIETY
Although the literature on sustainability assessment tools to support decision making in agriculture is rapidly growing, little attention has been paid to the actual tool choice. We focused on the choice of more complex integrated indicator-based too