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1.玉米笋的生态特征在北方冬小麦和夏玉米一年两熟的地区,多年来主要实行单一粮食种植。农民以粮为主的经营方式,不仅缺乏致富门路,而且常常因为三夏时期劳力紧张,或天旱少
1. The ecological characteristics of corn shoots In the northern areas where winter wheat and summer corn are cooked twice a year, single grain planting has been mainly implemented for many years. Farmers who rely mainly on grain as their mode of operation not only lack the road to prosperity, but also often suffer from labor stress during the summer and summer or less drought