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随着园田化水平的提高,复种面积逐年增加,田间管理需占用大批劳力,尤其在三夏农忙季节,小麦收获与夏田管理的
With the increase of gardenation, the area of multi-cropping increases year by year, and the field management needs a large amount of labor, especially in the busy season of summer and summer, the harvest of wheat and the management of summer field