稻田养鱼的综合效益分析——以贵州省黄平县重安镇下翁细村为例

Comprehensive benefit analysis of rice-fish agricultural system:Taking Xiawengxi Village,Chong’an Town,Huangping County,Guizhou Province as an example

以贵州省黄平县重安镇下翁细村为例,分析稻田单作和稻田养鱼模式的综合效益,基于实地调查的数据,运用综合效益量化评价方法,将经济、能量和生态效益3个方面归一化,对水稻单作和稻田养鱼2种模式进行综合效益量化评价,并与其他地区进行对比,分析其差距。结果表明:下翁细村稻田养鱼模式的综合评价指数为0.86,大于水稻单作模式(0.41),说明在当地适合发展稻田养鱼模式。下翁细村稻田养鱼模式的综合效益优于水稻单作模式,然而与浙江省青田县的稻田养鱼模式相比,下翁细村的稻田养鱼模式能量转化率较低,生态效益和经济收益也较差,在带动经济增长、生产管理和规范施用肥料方面有待进一步提升。

Taking Xiawengxi Village,Chong’an Town,Huangping County,Guizhou Province as an example,the comprehensive benefits of rice monoculture model and rice-fish agricultural system were analyzed.Based on field survey data,a comprehensive benefit quantification evaluation method was used to normalize the economic,energy,and ecological benefits.The comprehensive benefits of the two models were quantitatively evaluated,and their differences with other regions were compared and analyzed.The results show that the comprehensive evaluation index of the rice-fish agricultural model in Xiawengxi Village is 0.86,which is higher than the rice monoculture model(0.41),indicating that the development of rice-fish agricultural model is suitable for the local area.The comprehensive benefits of the rice-fish agricultural model in Xiawengxi Village are better than those of the rice monoculture model.However,compared with Qingtian County,Zhejiang Province,the rice-fish agricultural model in Xiawengxi Village’s has a lower energy conversion rate and poorer ecological and economic benefits,and needs further improvement in driving economic growth,production management,and standardized fertilizer application.