精准农业技术对生态环境的影响评价研究进展

被引:22
作者
王永生 [1 ,2 ]
陈静 [1 ,2 ]
陶欢 [1 ,2 ]
胡海棠 [1 ,2 ]
李存军 [1 ,2 ]
史磊刚 [1 ,2 ]
机构
[1] 北京农业信息技术研究中心
[2] 国家农业信息化工程技术研究中心
关键词
精准农业技术; 环境效益评价; 影响因素;
D O I
10.13304/j.nykjdb.2016.027
中图分类号
S127 [遥感技术在农业上的应用]; S181 [农业生态学];
学科分类号
082806 [农业信息与电气工程]; 090105 [作物生产系统与生态工程];
摘要
精准农业是保证作物产量和农业环境质量双赢的重要途径。综述了水肥精准管理和病虫草害精准管理的生态环境效益,精准农业通过节省资源投入、减少资源损失、提高利用效率,降低农业生产对土壤和水体环境的污染。但目前的评价内容主要集中在资源投入、残留损失、利用效率以及水土质量方面;其次,由于田间变量信息的获取途径不一致、模型预测和田间应用效果的差异、土壤质地以及作物种类的不同等原因,导致精准农业的环境效益评价结果不确定性较大。未来研究应建立精准农业技术田间定位试验,进行长期的生态环境效益评价研究,为精准农业技术的推广和应用提供数据支持。
引用
收藏
页码:73 / 78
页数:6
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