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春小麦覆膜穴播具有明显的增产效果。其增产机理主要是覆膜穴播能保水保墒，提高地温，促进生长发育和增加穗粒数和千粒重。
Spring wheat film-sowing has obvious yield-increasing effect. The main mechanism is to increase its yield film mulching film can water and soil moisture, increase ground temperature and promote growth and increase the number of grains per spike and 1000-grain weight.