To fertilise them the native women had to transport human manure from the city of Fuzhou.

为了给梯田施肥，当地的妇女们不得不从福州城运来人粪。

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Science, after having long groped about, now knows that the most fecundating and the most efficacious of fertilizers is human manure.

经过长期的摸索，科学今日已经知道肥效最高的肥料就是人肥。

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Yet, organic crops fertilised with animal manure have no such requirements—even though they pose a far higher risk to human health.

然而，用动物粪便生产的有机农作物却没有这样的要求——即使这些食品对人类健康构成更大的风险。

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If the genetically modified pigs are approved for human consumption by the Canadian Government, and they are produced in large numbers, the scientists said that the manure's harmful effects could be reduced.

BBC: GM pigs to produce cleaner manure