The absolute values of the prediction error of the middle-late rice were between 0.02% and 3.77%, the average error was 1.9%. The precision was high, so the damage assessment method was feasible.
中晚稻单产灾损率的预估误差的绝对值在0.02~3.77个百分点，平均误差为1.9个百分点，预估精度较高，灾损评估方法可行。
For late rice, we should pay attention to seedling and tillering stage, supply certain amount at middle stage, if soil K deficiency is severe.
对晚稻施钾来说，我们应注意苗期和分蘖期，如果土壤缺钾严重，中期供应一定数量钾肥。
The production superiority of high-yield and super high-yield rice was exhibited during the middle and the late growth stage.
高产和超高产品种的物质生产优势表现在生育中期和后期，其生育中期和后期群体生长率显著高于低产品种。
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