But advocates of conventional agriculture argue that organic farming simply can't provide enough food because the yields tend to be lower than those for crops grown with chemical fertilizer.

但传统农业的倡导者辩称有机农业无法提供足够的食物，因为其产量低于用化学原料养大的庄稼。

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According to the study agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges.

研究表明，水质43.7%的化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。

youdao

According to the study, agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water), 67% of phosphorus and 57% of nitrogen discharges.

研究表明，水质43.7%的国家化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。

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When teachers guide students in gaining awareness that industrial agriculture writ large, for example, results in chemical runoff from nitrogen-based fertiliers in the Mississippi River that in turn creates a massive dead zone in the Gulf of Mexico so large that it is visible to the human eye through satellite distant imaging, students are able to grasp the basis for sustainable agriculture.

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The 210-year-old company, known once primarily for its chemical business, is trying to roots its business more firmly in agriculture products.

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