The estimation of straw yield from the yield of grain and the ratio of G_s is satisfactory for a large area, but for some small plots, the estimations may cause significant errors.
由粮食产量推算秸秆量，对于大面积的估算有较满意的结果，而对于个别地块，其误差可能较大。
The estimation of straw yield from the yield of grain and the ratio of G_s is satisfactory for a large area, but for some small plots, the estimations may cause significant errors.
由粮食产量推算秸秆量，对于大面积的估算有较满意的结果，而对于个别地块，其误差可能较大。
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