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为了改变传统的青贮方法，笔者根据青贮制作的技术要求．采用了简便易行、成本低的地上塑料薄膜覆盖的青贮方法，特别是青贮山芋秧，效果颇佳。据测算，贮存Ic立方米，仅用ZO多元的塑料薄膜，每千克青贮山芋秧的成本为O．15元左右，kX4．5千克青贮料折1千克混合精料计，喂1头猪
In order to change the traditional method of silage, the author made the technical requirements according to silage. Using a simple, low cost plastic film covering the ground silage methods, especially silages potato lines, the effect is quite good. It is estimated that the storage Ic cubic meters, only ZO multiple plastic film, per kilogram of silage potato seedlings cost O. 15 yuan, kX4.5 kg silage material discount 1 kg mixed concentrate count, feed a pig