The composting sludge mixed with straw pole and chemical fertilizer to make compound fertilizer, which can apply to rice growing, with the yield increase by 11.
堆肥后的污泥与秸杆、化肥混合制成一种复合化肥，将化肥用在农田的水稻种植，水稻的亩产量增产11。
Finally the realistic meaning of adopting residual sludge to produce compound fertilizer is also pointed out.
指出了利用剩余污泥制造复合肥料的现实意义。
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