And effect of SINP on alkali-soluble organic matters (AOM) including alkali-soluble flumic acid (AFA) and alkali soluble humic acid (AHA)in the former was different from that in the latter period.

• 纳米粒子对秸秆腐解产物转化形成碱溶性化合物AOM(包括碱溶性胡敏酸AHA和碱溶性富里酸AFA)的影响前期和后期存在较大差异，腐解的前期，促进了碱溶性化合物的生成，而在腐解的中后期对碱溶性有机化合物的形成起到了抑制作用。