Chinese soil experts warn of massive threat to food security

SciDev.Net: If China's current rate of soil loss continues, a layer the size of Puerto Rico will be washed away in the next 50 years -- resulting in a 40 per cent decrease in food production, according to a study led by the country's Ministry of Water Resources, and science and engineering academies. The two-year Soil Erosion and Ecological Safety expedition took place from 2005 to 2007 and was followed by three years of data analysis. Around 200 scientists surveyed 27 provinces in China, ......

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