Environmental Science
5 years ago

China's Phosphate Fertilizer Contaminating Soil with Cadmium, Urgent Regulation Needed.

The Science of The Total Environment
Input of Cd from agriculture phosphate fertilizer application in China during 2006–2016
Hui Li, Zhiliang Yang, Mingwei Dai, Xinyue Diao, Shunli Dai, Ting Fang, Xinju Dong

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Phosphate fertilizers used in Chinese agriculture can introduce cadmium (Cd) into the soil, which is harmful to the environment. A study looked at Cd input from phosphate fertilizers in China from 2006 to 2016. They found that Cd content in the fertilizers was 0.75 mg/kg, leading to an estimated 10.52 tons of Cd input in 2016. Most of this Cd came from DAP/MAP fertilizers. Excessive fertilizer use was observed in Xinjiang, Henan, and Hubei Provinces. This highlights the need to regulate phosphate fertilizer use in China, especially in these provinces.