However, under upland conditions, the grain yield of rice with 1/4, 2/4 and 3/4 of root cut off increased by 20%, 7% and 3% compared to that without root-cutting respectively.

• 然而 ,旱作条件下 ,断 1/ 4、2 / 4和 3/ 4根系的水稻较全根的分别增产 2 0%25、7%25和 3%25。