Evaluation of two production methods of Chilean wheat by life cycle assessment (LCA)

Herrera Huerta Joaquín; Mu?oz Alvear Edmundo; Montalba Navarro René

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Evaluation of two production methods of Chilean wheat by life cycle assessment (LCA)

机译：通过生命周期评估（LCA）评价智利两种生产方法

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Agriculturalproductionisanactivitythatgeneratesenvironmentalimpacts,primarilyassociatedwiththeuseofmachineryandchemicalinputs.Forthisreasonitisexpectedthatculturalpracticesandtechnologicallevelswillinfluencesignificantlytheenvironmentalimpactsofdifferentproductionsystems.Inthisstudyweevaluatedconventionalandorganicmethodsusinglifecycleassessment(LCA).Theresultsidentifiedsoilmanagementasthestageofconventionalproductionthatgeneratesthegreatestenvironmentalimpact;themostaffectedimpactcategorieswereacidification,with15.28kgSOsub2/subequivalentpertonofgrainproduced,andeutrophication,with4.83kgPOsub4/subeq/tonofgrain.Thecategorymostaffectedbyorganicproductionwassoilmanagement,mainlyduetotheDieselfuelusedinagriculturalmachinery.Inthisproductionmethodthecategoryofabioticresourcedepletionhadthegreatestimpact,with0.89kgSbeq/tonofgrain.Theuseofcompostasastrategyfixedimportantamountsofbiogeniccarbon,generatingenvironmentalbenefitsintheimpactcategoryofclimatechange#150;4.39kgCOsub2/subeq/tonofgrain./font

机译：Agriculturalproductionisanactivitythatgeneratesenvironmentalimpacts，primarilyassociatedwiththeuseofmachineryandchemicalinputs.Forthisreasonitisexpectedthatculturalpracticesandtechnologicallevelswillinfluencesignificantlytheenvironmentalimpactsofdifferentproductionsystems.Inthisstudyweevaluatedconventionalandorganicmethodsusinglifecycleassessment（LCA）.Theresultsidentifiedsoilmanagementasthestageofconventionalproductionthatgeneratesthegreatestenvironmentalimpact; themostaffectedimpactcategorieswereacidification，with15.28kgSO <子> 2 equivalentpertonofgrainproduced，andeutrophication，with4.83kgPO <子> 4 当量/ tonofgrain.Thecategorymostaffectedbyorganicproductionwassoilmanagement，mainlyduetotheDieselfuelusedinagriculturalmachinery.Inthisproductionmethodthecategoryofabioticresourcedepletionhadthegreatestimpact ，使用0.89kgSbeq /吨谷物。使用固定量的进口生物质碳堆肥，在气候变化＃150类别中产生环境效益; 4.39kgCO _{2 e q /吨粮食。}

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《Idesia》 |2012年第2期|共页
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Herrera Huerta Joaquín; Mu?oz Alvear Edmundo; Montalba Navarro René;
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中图分类农业科学;
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Evaluation of two production methods of Chilean wheat by life cycle assessment (LCA)

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