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三七老叶越冬的研究
何振兴;
广西医药研究所
摘要:
三七生长到冬至前后,多年来习惯是将茎叶剪除,喷药防病虫,清理七园后,就让其越冬。为了解老叶的作用,作者于1967年和1977年于靖西县安德田七场和靖西县田七场,选择生长一致的七园,在七园中取2~3分地进行留老叶越冬,使之翌年自然死亡的试验;又于1978年到云南考查三七时,发现云南铳卡三七场,其中有一七园,有一分多地去年没剪老叶,三七生长亦比剪老叶较好,观察结果如下:
关键词:  老叶  安德  又于  块根产量  植株高度  叶宽  色兰  靖西田七  一三  鲜重  
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