Many experiments in fruit trees revealed that root restriction inhibited vegetative growth and improved fruit quality, which suggested that nitrogen and carbon metabolisms might be changed.

• 根域限制在抑制果树营养生长、提高果实品质等方面的效果几乎被所有研究所肯定,根域限制条件下果树树体的氮素营养和碳素营养状况发生了显著的变化。