芹菜面源污染防治种植模式综合效益评估

摘要: 采用问卷调查、层次分析、专家咨询等方法,构建了综合考虑经济效益、产品品质和环境效益3个方面共包括12项指标的芹菜面源污染防治种植模式综合效益评估指标体系,应用该指标体系在巢湖流域开展了由不同施肥方式、是否施用松土促根剂和生物基膜等单项技术组合的不同面源污染防治种植模式效益评估的实证研究。结果表明:经济效益表现最好的是减量施肥+松土促根剂模式,产品品质效益最优的是减量施肥模式,环境效益最好的是有机无机肥混施+松土促根剂+生物基膜模式,综合效益最好的是有机无机肥混施+松土促根剂+生物基膜模式。采用减量施肥和有机无机肥混施模式,同时配合松土促根剂和生物基膜的技术组合可有效提高综合效益。
- 芹菜 /
- 种植模式 /
- 指标体系 /
- 污染防治 /
- 效益评估
Abstract: The questionnaire survey, analytic hierarchy process, expert consultation methods were adopted to construct a comprehensive benefit evaluation index system with 12 indexes, for the evaluation of planting models for the prevention and control of celery non-point source pollution, considering economic benefit, product quality and environmental benefit. Based on the index system, an empirical study was carried out to evaluate benefits of different planting models for non-point source pollution control, combining different fertilization methods, application of soil loosening and rooting agent and bio-based film in Chaohu Lake Basin. The results showed that: the best model of economic benefit was the combination of reduced fertilization with soil loosening and rooting agent, the optimal model of product quality benefit was the reduced fertilization model, the best environmental benefit model was organic-inorganic mixture fertilization plus soil loosening and rooting agent plus bio-based film model, and the optimal comprehensive benefit mode was the combination of organic-inorganic mixture fertilization, rooting agent and bio-based film model. Combined with the experimental results, the reduced fertilization and organic-inorganic mixed fertilization should be preferred, and the technical combination of soil loosing and rooting agent and bio-based film can effectively improve the comprehensive benefits.
- celery /
- planting model /
- index system /
- pollution prevention /
- benefit evaluation

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