Adaptation Of Life Cycle Assessment (LCA) To
Agricultural Production On A Regional Scale
In Japan
Author(s)
S. Mishima, S. Taniguchi & M. Komada
Abstract
LCA was applied to paddy rice farming with a relatively low livestock
production area on a mid-river basin scale in Japan. Conventional farming,
standard application of chemical fertilizer and manure, and low chemical
fertilizer input and forage production scenarios were tested. The aquatic
eutrophication potential and the global warming potential per unit of crude
protein production were lower for low chemical fertilizer input and forage
production than for conventional farming, although terrestrial eutrophication was
not reduced. These results indicated that reduced input would be effective in
areas with contamination of ground and surface water and regulation of nutrient
input would be reasonable. Abiotic resource use was also lower for low
chemical fertilizer input and forage production than for conventional farming.
Recycling of livestock excreta would be viable in non-intensive livestock
production areas.
Keywords: agriculture, fertilizer, life cycle assessment, livestock, region.
1 Introduction
Life cycle assessment (LCA) is a method that integrates various environmental
impacts at each production step into simple indices to indicate what and where
are the hot spots of environmental load on production. Brentrup et al. [1]
devised theoretical steps to adapt agricultural production to LCA and evaluated
environmental impact on wheat and beet production [2, 3]. Despite several trial
calculations for effective nitrogen (N) management for low impact agriculture at
regional and river basin scales [4, 5], LCA has not been applied to these scales.
In this study, we tried to apply the LCA method to agriculture to a mid-scale
Keywords
agriculture, fertilizer, life cycle assessment, livestock, region.
Related Book
Other papers in this volume
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