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本试验是由甘肃省农科院小麦研究所下达的,旨在冬小麦灌浆期通过对其喷施各种不同的叶面肥,研究其千粒重的变化情况。
This experiment was issued by the Wheat Research Institute of Gansu Academy of Agricultural Sciences, aimed at the winter wheat filling stage by spraying a variety of different foliar fertilizer to study the changes of its 1000-grain weight.