Soil pH maps and proton budget in China in the 1980s and 2020s
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We evaluated the changes in topsoil pH in China’s forestland, grassland, paddy fields and upland areas during the 1980s-2020s. Soil maps in the 1980s and 2010s were produced by random forest models. The commonly used “H+ budget” process model was used to quantify soil acidification rate at the provincial level from 1981 to 2050. Specifically, these scenarios during 2020-2050 combined different strategies including reducing N fertilization and N leaching, enhancing crop yields, and promoting straw return.
创建时间：
2025-06-02
