户外大麻生产对环境的影响

IF 2.3 Q1 AGRICULTURE, MULTIDISCIPLINARY ACS agricultural science & technology Pub Date : 2024-06-10 DOI:10.1021/acsagscitech.4c00054
Vincent Desaulniers Brousseau, Benjamin P. Goldstein, Charlotte Sedlock and Mark Lefsrud*, 
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引用次数: 0

摘要

大麻生产对环境的影响日益受到关注,因为这是一个新近合法且不断发展的行业。虽然有少数研究对室内生产的影响进行了量化,但对室外大麻农业的影响却知之甚少。室外生产通常很少直接使用能源,但由于径流和矿化造成的耗散损失,可能需要大量肥料和其他投入。相反,含氮量高的肥料可能会适得其反,因为它产生的花朵大麻素含量会降低。这项研究有两个目的:(1) 确定减少肥料的制度,以便在减少投入的情况下获得最佳大麻花产量;(2) 量化这种制度如何改变室外大麻生产的温室气体排放、资源损耗(化石和金属)、陆地酸化和富营养化潜力。肥料反应试验的原始数据被纳入生命周期评估模型。结果表明,室外大麻农业的碳排放量比室内生产低 50 倍。对于已经或即将使大麻生产合法化的国家的生产者、消费者和政府官员来说,传播这方面的知识至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Environmental Impact of Outdoor Cannabis Production

Environmental impacts of cannabis production are of increasing concern because it is a newly legal and growing industry. Although a handful of studies have quantified the impacts of indoor production, very little is known about the impact of outdoor cannabis agriculture. Outdoor production typically uses little direct energy but can require significant fertilizer and other inputs due to dissipative losses via runoff and mineralization. Conversely, fertilizer high in nitrogen can be counterproductive, as it produces flowers with decreased cannabinoid content. This study has two aims: (1) To identify reduced-fertilizer regimes that provide optimal cannabis flower yields with reduced inputs and (2) to quantify how this shifts greenhouse gas emissions, resource depletion (fossil and metal), terrestrial acidification, and the eutrophication potential of outdoor cannabis production. Primary data from a fertilizer response trial are incorporated into a life-cycle assessment model. Results show that outdoor cannabis agriculture can be 50 times less carbon-emitting than indoor production. Dissemination of this knowledge is of utmost importance for producers, consumers, and government officials in nations that have either legalized or will legalize cannabis production.

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