基于遥感数据的光能利用率模型被广泛应用于计算陆地生态系统的生产力,其结果对最大光能利用率(εmax)参数非常敏感.利用农业产量......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Plant uptake factor (PUF), single-variable regression of natural log-transformed concentrations in rice grain/vegetables......

In the study area (Yanjiaping Village, Hebei Province, China), grazing extensity varies at different locations, small an......

By searching literature databases, we obtained more than 200 articles published since 1993 that related to the measureme......