The magnesium fertilizer and brassinolide were applied on Williams banana at young plant stage.

• 通过对威廉斯香蕉苗期施用镁肥和芸苔素内酯进行研究，结果表明：镁肥和芸苔素内酯均能提高叶片抽生速度，促使假茎伸长、增粗和叶片增厚，并能提高单株干物质积累量；