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目的：确定黄淮海半干燥地区引种甘草适宜播期。方法：采用田间试验、烘干法测定土壤含水量。结果：黄淮海半干燥地区引种甘草的适宜播期是４月上旬至５月初和７月上旬。结论：根据甘草一年生实生苗根系生长动态和当地气候（主要是高温干旱）及土壤（０～２０ｃｍ）水分条件确定甘草适宜的播种期。
Objective: To determine the suitable sowing date for introduction of licorice in the semi-dry area of Huang-Huai-Hai. Methods: Soil moisture was measured by field test and drying method. Results: Suitable sowing time for introduction of licorice in the semi-dry area of Huang-Huai-Hai was from early April to early May and early July. Conclusion: According to the growth dynamics of root system of annual licorice root and the local climate (mainly high temperature and drought) and soil (0 ~ 20cm), the suitable sowing date of licorice root is determined.