However, the output of japonica in northeast is unstable, and the way to weaken the fluctuation is to change the growth mode, reduce the range of yield fluctuation.

• 但东北地区粳稻生产波动幅度较大，波动频率较高，易出现大起大落的状况，在实际生产中必须转变产量增长方式，降低单产的波动幅度，促进东北粳稻生产平稳发展。