Millions of cows, pigs and chickens help to make the Netherlands an agricultural powerhouses. But the animals that contribute to €105bn in annual farm exports also generate something less desirable: alarming levels of nitrogen emissions from their waste.
數以百萬計的牛、豬和雞使荷蘭成為農業強國。這些動物每年貢獻了1050億歐元的農業出口，但它們也產生了一些不那么理想的東西：它們排泄物中令人震驚的氮排放水平。
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