在人参栽培后的老参地中栽培黄芪，是一种充分利用土地资源，提高经济效益的有效途径之一。
The Cultivation of Radix Astragali in the ginseng field which had been planted ginseng is one of effective way to make full use of earth resources and increase economical benefits.
采用土地经济学研究方法，从土地利用结构、土地利用程度和土地利用效益3个方面，对阜平县2003年土地资源利用状况进行了对比分析。
Analysis of land utility efficiency in Fuping County was made by economical ways from three aspects including land utility structure, utility degree and efficiency in 2003.
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