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地膜“一膜多用”的方武多种多样,时间可长可短,可根据需要灵活运用。一、地膜平盖。地膜直接覆盖在播种的畦面或
Film “a multi-purpose film,” a variety of Fangwu, the time can be long or short, can be flexibly used according to need. First, the film flat cover. Mulch directly covers the sown face or