Net Yield Efficiency: Comparing Salad and Vegetable Waste between Community Supported Agriculture and Supermarkets in the UK

Food security is high on the global agenda. Two factors make it particularly pressing: the continuing rise in the global population, and the failure to adequately feed the current one. An area that has been the focus of much recent attention has been food waste; the Food and Agriculture Organization...

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Main Authors: Nigel Baker, Simon Popay, James Bennett, Moya Kneafsey
Format: Article
Language:English
Published: Lyson Center for Civic Agriculture and Food Systems 2019-03-01
Series:Journal of Agriculture, Food Systems, and Community Development
Subjects:
Online Access:https://www.foodsystemsjournal.org/index.php/fsj/article/view/684
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author Nigel Baker
Simon Popay
James Bennett
Moya Kneafsey
author_facet Nigel Baker
Simon Popay
James Bennett
Moya Kneafsey
author_sort Nigel Baker
collection DOAJ
description Food security is high on the global agenda. Two factors make it particularly pressing: the continuing rise in the global population, and the failure to adequately feed the current one. An area that has been the focus of much recent attention has been food waste; the Food and Agriculture Organization of the United Nations (FAO) estimates that as much as a third of all food is lost or wasted. This paper argues that by taking a food system approach that accounts for yields as well as loss and waste in distribution and consumption, we can compare the contribution of different food systems to food security. A novel concept of “net yield efficiency” (NYE) is introduced that accounts for this. We present an illustrative case study of the levels of fresh vegetable and salad waste in the supermarket-controlled food system compared with a commu­nity supported agriculture (CSA) scheme. This case study explores whether the CSA and its members are less wasteful than the supermarket system. The study found that when all stages of the food system were measured for waste, the CSA dramatically outperformed the supermarket system, wasting only 6.71% by weight compared to 40.7–47.7%. Even accounting for difficulties in estimating waste, the findings underline the differences between these systems. On this basis, the paper argues that the NYE measure provides a more accurate picture of food system performance than current measures, which tend to focus on yield alone.
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spelling doaj.art-be78a6fb8cf04416b7eebf919c2d74ef2023-09-02T06:52:38ZengLyson Center for Civic Agriculture and Food SystemsJournal of Agriculture, Food Systems, and Community Development2152-08012019-03-018410.5304/jafscd.2019.084.013Net Yield Efficiency: Comparing Salad and Vegetable Waste between Community Supported Agriculture and Supermarkets in the UKNigel Baker0Simon Popay1James Bennett2Moya Kneafsey3Coventry UniversityCoventry UniversityCoventry UniversityCoventry UniversityFood security is high on the global agenda. Two factors make it particularly pressing: the continuing rise in the global population, and the failure to adequately feed the current one. An area that has been the focus of much recent attention has been food waste; the Food and Agriculture Organization of the United Nations (FAO) estimates that as much as a third of all food is lost or wasted. This paper argues that by taking a food system approach that accounts for yields as well as loss and waste in distribution and consumption, we can compare the contribution of different food systems to food security. A novel concept of “net yield efficiency” (NYE) is introduced that accounts for this. We present an illustrative case study of the levels of fresh vegetable and salad waste in the supermarket-controlled food system compared with a commu­nity supported agriculture (CSA) scheme. This case study explores whether the CSA and its members are less wasteful than the supermarket system. The study found that when all stages of the food system were measured for waste, the CSA dramatically outperformed the supermarket system, wasting only 6.71% by weight compared to 40.7–47.7%. Even accounting for difficulties in estimating waste, the findings underline the differences between these systems. On this basis, the paper argues that the NYE measure provides a more accurate picture of food system performance than current measures, which tend to focus on yield alone.https://www.foodsystemsjournal.org/index.php/fsj/article/view/684Case StudyCommunity Supported AgricultureFood LossFood SystemFood WasteSupermarkets
spellingShingle Nigel Baker
Simon Popay
James Bennett
Moya Kneafsey
Net Yield Efficiency: Comparing Salad and Vegetable Waste between Community Supported Agriculture and Supermarkets in the UK
Journal of Agriculture, Food Systems, and Community Development
Case Study
Community Supported Agriculture
Food Loss
Food System
Food Waste
Supermarkets
title Net Yield Efficiency: Comparing Salad and Vegetable Waste between Community Supported Agriculture and Supermarkets in the UK
title_full Net Yield Efficiency: Comparing Salad and Vegetable Waste between Community Supported Agriculture and Supermarkets in the UK
title_fullStr Net Yield Efficiency: Comparing Salad and Vegetable Waste between Community Supported Agriculture and Supermarkets in the UK
title_full_unstemmed Net Yield Efficiency: Comparing Salad and Vegetable Waste between Community Supported Agriculture and Supermarkets in the UK
title_short Net Yield Efficiency: Comparing Salad and Vegetable Waste between Community Supported Agriculture and Supermarkets in the UK
title_sort net yield efficiency comparing salad and vegetable waste between community supported agriculture and supermarkets in the uk
topic Case Study
Community Supported Agriculture
Food Loss
Food System
Food Waste
Supermarkets
url https://www.foodsystemsjournal.org/index.php/fsj/article/view/684
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