Wheat and rice stubble and Chinese milk vetch are turned down and buried in the field; they are easy to rotten and increasing the organic fertilizer of the filed.
稻麦茬和红花草翻耕田底,易于腐烂,有利于增加农业有机肥力。
After the activated sludge dehydration and dehydration can be used as fertilizer or buried.
而且活性污泥脱水机经脱水机脱水后可以用做肥料或做深埋处理。
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