Pattern and mitigation potential of crop-specific fertilizer-N losses were assessed.China showed high fertilizer-N losses due to high N application rates and low SOC.MAP,SOC,and soil pH are key parameters affecting fe...Pattern and mitigation potential of crop-specific fertilizer-N losses were assessed.China showed high fertilizer-N losses due to high N application rates and low SOC.MAP,SOC,and soil pH are key parameters affecting fertilizer-N losses.At a given application rate,soils with higher SOC have lower fertilizer-N losses.Optimal N rate combined with SOC improvement could cut 34.8%-59.6%of N losses.展开更多
基金supported by the National Natural Science Foundation of China(41907069,42007088,and 42377338)the Basic Research Program of Jiangsu Province(BK20230076)+2 种基金the Jiangsu Agriculture Science and Technology Innovation Fund(CX(23)1019)the Key Research and Development Project of Jiangsu Province(BE2021378)the China Agriculture Research System(CARS-10-Sweetpotato).
文摘Pattern and mitigation potential of crop-specific fertilizer-N losses were assessed.China showed high fertilizer-N losses due to high N application rates and low SOC.MAP,SOC,and soil pH are key parameters affecting fertilizer-N losses.At a given application rate,soils with higher SOC have lower fertilizer-N losses.Optimal N rate combined with SOC improvement could cut 34.8%-59.6%of N losses.
