Based on climate and cultivation tradition of the northwest areas,the study aims to determine the high-yielding cultivation measures for Codonopsis pilosula.Based on the previous observation on field production,four typical Codonopsis pilosula field representing different harvesting time and farming measures,were selected to evaluate differences of soil moisture conservation,growth of weeds,as well as development,yield and appearance qualitative traits of Codonopsis pilosula.The results showed that harvesti...