In the filling duration of winter wheat, the formation time of the component parts in grain protein differs from each other.

冬小麦灌浆期间籽粒蛋白质各组分形成时间不同，清蛋白和球蛋白主要在籽粒形成期和灌浆前期形成；

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Winter wheat is one of main grain crops of our country. It has different demand for meteorological factors according to different growth stage.

冬小麦是我国主要的粮食作物之一，在其不同的生长发育期对气象因子要求显著不同。

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The results showed that starting from 14 days after anthesis, root senescence of winter wheat was accelerated, corresponding with the peak stage of grain filling rate.

结果表明，冬小麦根系从开花后14天开始加速衰老，与籽粒灌浆速率高峰期相对应。

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Even so, in contrast to only ten years ago, the firms operating in Kansas City today are largely the same as those trading soft red winter wheat at the Chicago Board of Trade and spring wheat at the Minneapolis Grain Exchange.

ECONOMIST: Grains of truth