精准农业经济效益分析方法探讨

用部分预算法与投资分析法分析水稻精准变量施N肥结果表明,自购价格昂贵的大型联合收割机不可行,如改为租赁则部分预算法结果显示该项目每年增加4.8228万元净收益,投资分析法结果显示项目运行10年可盈利27.8135万元,内部收益率为24％。部分预算法需较多生产方面的技术数据,因而更适宜于已实施项目;而无论项目实施与否均可用投资分析法分析,并作进一步的敏感性分析或全面反映项目经济、社会和环境效益的国民经济分析。

Study on economic benefit analyzing methods for precision agriculture

Profitability in the application of variable nitrogen fertilizer rate technology on rice in Shanghai analyzed by partial budgeting method and investment analyzing method respectively shows that buying expensive combine harvester is not profitable by both methods,but RMB 48228 Yuan of annual profit or RMB 278135 Yuan of return (with 24% IRR) after 10 years will be gained if renting combine harvester.Because more technical data about production need to be collected,the partial budgeting method is more suitable for the implemented projects while the investment analyzing method is suitable for the projects either implemented or not.Further sensitive analysis and national economic analysis which reflects economic,social and environmental effects can be made with it.