We also probed into the feasible scheme of sludge using as commercial fertilizer.

探讨污泥作为商品肥料补充的可行性方案。

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Major commercial laboratories are now operated in Queensland, NSW, Victoria and Western Australia by the major fertilizer companies.

现在主要的商业性实验室分布在昆士兰、新南威尔士、维多利亚及西澳大利亚等州，由各大肥料公司经营。

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The results indicated that, along with application of normal fertilizers, application of sludge organic fertilizer could significantly increase potato yield, commercial class and quality.

结果表明，在施化肥的基础上，施用污泥有机肥可显著提高马铃薯产量、等级和品质；

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The country's key export industries are phosphate mining, fertilizer production, and commercial fishing.

FORBES: Senegal

Sanergy employees empty the toilets each day, taking an air-tight container of waste to a Sanergy processing facility where it is converted to biogas and fertilizer that Sanergy plans to sell to commercial and small farmers.

FORBES: The World's Best Sustainability Idea: The Gold In Human Waste