Environmental Impact of Organic and Conventional Strawberry Production in North China Based on Life Cycle Assessment

doi:10.11924/j.issn.1000-6850.casb15020026

Abstract

Abstract: Organic agriculture is closely related to quality security of agricultural product and ecological environment security, more and more people begin to pay attention to the environmental effect of organic production and it is important to evaluate the environmental impact in the organic production process. The author used the method of Life Cycle Assessment (LCA), analyzed and compared the production process and environmental effect of organic strawberry in Boshan District, Shandong Province and conventional strawberry in Changping District, Beijing. The research results showed that, among all potential impacts indexes, environment of global warming, acidification, eutrophication and soil toxicity in conventional strawberry production were 3.45% , 2.11% , 27.09% and 280.16% of the per capita basic value, and those indexes in organic strawberry production were 1.22% , 0.44% , 15.17% and 202.76% , which were lower than that of conventional strawberry production. The larger environmental impacts of conventional strawberry life cycle were eutrophication, water toxicity and soil toxicity, and the serious water toxicity was caused by the pesticide residues in water, and soil toxicity was due to heavy metal residues of chemical fertilizer and organic fertilizer. However, the larger environmental impacts of organic strawberry life cycle were eutrophication and soil toxicity, which were caused by the loss of P fertilizer and heavy metal residues. Overall, the comprehensive index of the life cycle environmental impact of organic strawberry was 0.22, while that of conventional strawberry was 0.43. This result showed that the negative impact on environment caused by conventional strawberry production was significantly higher than that caused by organic strawberry production. Therefore, the application of biological pesticide and organic fertilizer was the key measure in controlling the negative environmental impacts in strawberry life circle.

李彩恋,, and . Environmental Impact of Organic and Conventional Strawberry Production in North China Based on Life Cycle Assessment[J]. Chinese Agricultural Science Bulletin, 2015, 31(23): 102-108.

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