经过一系列处理，计算了有机残渣含量。
After a series of treatments, the amount of organic residue are counted.
她一直在测算残渣的收益、土壤的有机碳含量和温室气体排放量（二氧化碳、甲烷和一氧化二氮）。
She is measuring residue yields, soil organic carbon, and greenhouse gas emissions (carbon dioxide, methane, and nitrous oxide).
有机食物残渣堆肥是一种使能量回归大地为食物的吸收做准备的最好方法。
Composting your organic food scraps is the best way to return to mother earth the energy that went into preparing your food.
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