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半夏为天南星科植物半夏Pinelliatereata.（Thunb）Breit．的块茎，原为野生中药材，家种虽已成功，但产量低而不稳．1993年在进行“半更丰产栽培技术”研究中，从延长华夏生育期的角度，笔者进行了半夏早春催芽后栽种覆盖地膜和不催芽覆盖地股试验。1材料与方法菏泽产三叶半夏
Pinellia for Araceae Pinellia reata. (Thunb) Breit. The tubers, originally wild Chinese herbs, have been successful but their output is low and unstable. In 1993, in the “half more productive cultivation techniques” study, from the perspective of extending China’s fertility period, the authors conducted a trial of planting mulch and non-germinating ground stocks after preemergence in the early summer. 1Materials and methods Heze produced Triloba