STUDY OF ENVIRONMENTAL IMPACTS FOR POTATO AGROECOSYSTEMS OF IRAN BASED ON NITROGEN FERTILIZER BY USING LIFE CYCLE ASSESSMENT (LCA) METHODOLOGY

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ESMAIELPOUR B.; KHORRAMDEL S.; AMIN GHAFORI A.

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Journal: Crop Production Year:2015 | Volume:8 | Issue:3 Page(s): 199-224

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Title

STUDY OF ENVIRONMENTAL IMPACTS FOR POTATO AGROECOSYSTEMS OF IRAN BASED ON NITROGEN FERTILIZER BY USING LIFE CYCLE ASSESSMENT (LCA) METHODOLOGY

Author(s)

ESMAIELPOUR B. | KHORRAMDEL S. | AMIN GHAFORI A. | Issue Writer Certificate

Keywords

EUTROPHICATIONQ1

EMISSION OF POLLUTANTSQ2

ENVIRONMENTAL INDEXQ1

ENVIRONMENTQ2

Abstract

Background and objectives: Life cycle assessment (LCA) had proven to be an appropriate assessment tool for analysis of agri-food products by identifying, quantifying and evaluating the resources consumed and emissions released into the ENVIRONMENT. Life cycle assessment has become a widely recognized method for quantifying the ENVIRONMENTal performances of products. Numerical scores make it possible to compare product on the aspects of climate change, ozone depletion, acidification, EUTROPHICATION, toxicity, fossil energy resource depletion and more ENVIRONMENTal impact categories. This study was performed for evaluation the ENVIRONMENTal impacts of potato agroecosystems based on nitrogen levels by using LCA methodology.Martials and Methods: Tuber yield mean during 1999-2013 and applied inputs in one hectare were determined. Data used in this study including the amount of consumed chemical fertilizers, machine operation, and fossil fuel consumption for potato production collected. LCA at four steps including goal definition and scoping, inventory analysis, life cycle impact assessment (LCIA) and integration & interpretation were calculated. The system boundary included production processes, fertilizers, cow manure, herbicide, pesticides, irrigation, fuels, machinery and other materials. Therefore, this study relates all resource consumption and emissions to one ton of tuber. Then, all resources and emissions per each ton of potato tuber were quantified. Functional unit was considered as one ton of tuber. Within life cycle impact assessment, the different inputs and outputs are summarized into ENVIRONMENTal effects. Impact categories were acidification, EUTROPHICATION and global warming. The inventory data are multiplied by characterization factors (CF) to give indicators for the so-called ENVIRONMENTal impact categories. Then, to compare the indicators, they were normalized. Therefore, each normalized indicator value is multiplied by a weighting factor. Finally, an index so-called ENVIRONMENTAL INDEX/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank"> ENVIRONMENTAL INDEX (EcoX) was calculated. Higher ENVIRONMENTAL INDEX/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank"> ENVIRONMENTAL INDEX translates as higher burden on ENVIRONMENT due to target production.Results: The results revealed that the maximum aquatic and terrestrial EUTROPHICATION potentials were computed for >400 Kg N ha-1 with 0.72 PO4 equiv./t tuber and 1.80 NOx equiv./t tuber, respectively. The highest global warming potential was calculated 509.87 CO2 equiv./t tuber for 350-400 kg N ha-1. The maximum Eco-Index were computed for >400 Kg N ha-1 with 0.37 Eco-x per one tonne tuber. The highest values for impact categories such as aquatic EUTROPHICATION, terrestrial EUTROPHICATION and acidification were calculated for >400 Kg N ha-1 with 0.29, 0.015 and 0.012 Eco-x per one tonne tuber, respectively.Conclusion: It seems that system management including minimum tillage and nitrogen fixing species could be regarded to reduce problematic ENVIRONMENTal impacts in potato production systems.

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APA: Copy

ESMAIELPOUR, B., KHORRAMDEL, S., & AMIN GHAFORI, A.. (2015). STUDY OF ENVIRONMENTAL IMPACTS FOR POTATO AGROECOSYSTEMS OF IRAN BASED ON NITROGEN FERTILIZER BY USING LIFE CYCLE ASSESSMENT (LCA) METHODOLOGY. ELECTRONIC JOURNAL OF CROP PRODUCTION, 8(3), 199-224. SID. https://sid.ir/paper/135166/en

Vancouver: Copy

ESMAIELPOUR B., KHORRAMDEL S., AMIN GHAFORI A.. STUDY OF ENVIRONMENTAL IMPACTS FOR POTATO AGROECOSYSTEMS OF IRAN BASED ON NITROGEN FERTILIZER BY USING LIFE CYCLE ASSESSMENT (LCA) METHODOLOGY. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2015;8(3):199-224. Available from: https://sid.ir/paper/135166/en

IEEE: Copy

B. ESMAIELPOUR, S. KHORRAMDEL, and A. AMIN GHAFORI, “STUDY OF ENVIRONMENTAL IMPACTS FOR POTATO AGROECOSYSTEMS OF IRAN BASED ON NITROGEN FERTILIZER BY USING LIFE CYCLE ASSESSMENT (LCA) METHODOLOGY,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 8, no. 3, pp. 199–224, 2015, [Online]. Available: https://sid.ir/paper/135166/en

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