stalked leaf造句

• The results showed that 5406 actinomyces can improve the wheat seedling ' s height , root system and stalk leaf weight , can increase content of chlorophyll and root system activity in sterilized sand culture
  结果表明，经5406放线菌处理后小麦幼苗株高、根长、根体积、根系及茎和叶片干重、叶绿素含量及根系活力均有不同程度的提高。