基于生命周期分析的传统水稻种植环境影响

A. R., Thirumani Devi A.
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引用次数: 0

摘要

大米是大多数亚洲国家的主要谷物。农业和粮食生产占全球温室气体排放(GHGE)的近三分之一,其中大米的贡献很大。本研究采用生命周期分析方法对传统水稻种植的环境影响进行量化,该方法评估了种植系统的每个过程、投入和产出,并测量了环境影响。在印度东北部的一块田生产1000公斤水稻时,前六大影响是陆地毒性(245.548公斤1,4- dcb)、全球变暖(144.283公斤二氧化碳当量)、人类非致癌毒性(83.905公斤1,4- dcb)、化石燃料短缺(38.760公斤石油当量)。建立一个全国性的数据库需要更多这样的数据,这样消费者和决策者不仅可以根据食品的营养成分或安全性,还可以根据其对环境的影响做出适当的决定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Environmental Impact of Conventional Rice Cultivation using Life Cycle Analysis
Rice is the staple cereal in most Asian countries. Agriculture and food production accounts for nearly a third of global GreenHouse Gas Emissions (GHGE), where rice has a significant contribution. This study quantifies the environmental impact of conventional rice cultivation using Life Cycle Analysis, which assesses every process, input and output in the cultivation system and measures the environmental impacts. The top six impacts in the production of 1000 kg paddy in one field in North East India was terrestrial toxicity (245.548 kg 1,4-DCB), global warming (144.283 Kg CO2 eq), human non-carcinogenic toxicity (83.905 kg 1,4-DCB), fossil fuel scarcity (38.760 kg oil eq.). More of such data is necessary to create a nation-wide database, so that consumers and policy makers can make proper decisions not only based on nutritional content or safety of food, but also in terms of their environmental impact.
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