江苏农科院资环所技术支撑南京耕地质量提升'四新'项目观摩会召开
10月10日,由江苏省农科院资环所技术支撑的南京市耕地质量提升'四新'项目观摩会召开。针对南京地区耕地普遍存在的土壤有机质消耗快、新增耕地有机质含量低、耕层浅薄等瓶颈,通过科学运筹稻麦周年有机物料投入的配比与季节施用量,实现稻麦周年土壤有机质快速提升6.64%,矿物结合态有机碳含量提升15.1%。利用土壤有机质含量变化数据结合多源环境协变量,借助机器学习构建有机质变化评估预测模型。
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#土壤有机质
Comparison of environmental, remote sensing, and combined variables for predicting and mapping soil organic matter in the Huang-Huai-Hai Plain
Comparison of environmental, remote sensing, and combined variables for predicting and mapping soil organic matter in the Huang-Huai-Hai Plain。Journal of Soils and Sediments