长期规律耕作土壤腐殖质的高分辨核磁共振研究

Study of Humus in Soil from Regularly Tilled Field by High Magnetic Field

利用高分辨核磁共振波谱技术对来自长期规律耕作土壤中的腐殖质进行研究，根据所测核磁共振谱粗略探讨了土壤腐殖质的化学基团组成，及不同耕作模式对土壤腐殖质化学基团构成的影响，及部分土壤腐殖质化学基团之间的偶联关系。

Humus in 7 soil samples taken from regularly tilled fields in the long trem Field Experiment at Rothamsted Experiment Research Station,UK,were studied by using 1 H NMR at 14 7 T magnetic field(600 MHz) The relative amounts of different chemical groups in humus and the influence of tilling method on chemical groups were discussed Some correlation between chemical groups were deduced by two frequency dimensional COSY experiments