摘要
[Objective] China is the world's largest fertilizer consumer. Fertilizer plays an important role in maintaining China's food security. Along with population and economic growth, overuse of fertilizers has caused serious environmental problems, such as soil acidification, decline in soil organic carbon, and agricultural non-point source pollution. This study aimed to analyze the factors influencing farmers" decision making on fertilizer use, and provide policy recommendations on ways to affect fertilization. [Method] An econometric model reflecting fertilization of rural households was estimated from a survey distributed to 1 043 households randomly selected from 19 provinces in China. [Result] Results of the study showed that education years of fertilizer decision maker, fertilizer quality, organic fertilizer application, fertilizer price, and agricultural product price had significant effects on the fertilizer application rate at 1% level. Soil nutrient affected the fertilizer application rate at 10% level. [Conclusion] Policies aimed at improving the reasonable use of fertilizer should focus on the regulation of chemical fertilizer price, foundation of the organic-inorganic fertilizer system, soil testing, formulated fertilization, and agricultural extension service.
[目的]通过农户施肥量调查数据计量模拟,旨在找到影响农户施肥量的主要因素,为指导农户合理施用化肥提供借鉴与参考。[方法]该文以我国19个省(区)1 043个农户的调查资料为依据,运用双对数模型对农户粮食作物施肥量的影响因素进行了统计分析。[结果]施肥决策者受教育年限、化肥质量、农户是否施用有机肥、化肥价格和农产品价格对农户施肥量影响显著(1%显著水平),土壤养分也在一定程度上影响化肥施用量(10%显著水平),而农户是否接受过农业技术服务、家庭非农收入、地区因素对农户化肥施用量影响不显著。[结论]建立科学的有机-无机结合的施肥体系;普及测土平衡施肥技术;通过培训,提高农民文化水平等。
基金
Supported by International Plant Nutrition Institute,China Program~~