商品肥料，经过加工且标明养分含量，按照国家法规规定和受国家肥料部门管理，以商品形式出售的肥料。
探讨污泥作为商品肥料补充的可行性方案。
We also probed into the feasible scheme of sludge using as commercial fertilizer.
“近年来商品价格持续走高导致了产量的增长和相应的肥料利用量的提高，”粮农组织肥料专家Jan Poulisse说。
"High commodity prices experienced over recent years led to increased production and correspondingly to greater fertilizer use," said Jan Poulisse, FAO fertilizer expert.
可是现在，我们用有机垃圾堆积成可用的肥料，在家里自制面包，环保商品也成为了我们购物时候的首选，我们几乎可以不用垃圾桶了。
Now, thanks to composting, home baking, and discerning shopping, we don’t even use a garbage bin.
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