硝化抑制剂CMP对于施肥土壤中硝态氮积累的影响  

Effect of CMP- nitrification Inhibitors on Accumulation of NO_3^--N in Fertilized Soils

作　　者：魏占波[1,2] 石元亮[1] 于阁杰[1,2] 古慧娟[1,2] 

机构地区：[1]中国科学院沈阳应用生态研究所,辽宁沈阳110016 [2]中国科学院研究生院,北京100039

出　　处：《土壤通报》2010年第3期656-659,共4页Chinese Journal of Soil Science

基　　金：环境友好缓释肥产业化项目(07YZX821YY)资助

摘　　要：为寻找适应我国土壤类型和气候类型的硝化抑制剂,通过在红壤和棕壤上进行培养试验,探讨CMP的硝化抑制效果,研究其对NO3-积累的影响。结果表明,CMP在红壤中起效较在棕壤中晚;尿素氮在红壤中较棕壤转化时间晚、速度慢,而CMP在这两种土壤上均具有良好的硝化抑制效果,对于减少硝态氮的积累具有明显作用。在CMP0.1%尿素添加量下具有很好的性价比。In order to seek nitrification inhibitors adapting our soil types and climate, the inhibitory effect on nitrification of CMP and the influence on the accumulation of NO3- were studied by incubation experiment in red soil and brown earth. The results indicated that urea N in red soil transformed more slowly than in brown soil, and even later. CMP got effect later in red soil, but had good effect in both kind of soils, and had remarkable function in reducing the accumulation of NO3-. CMP had a very good performance- to- price ratio under CMP0.1% urea recrui tment.

关 键 词：NO3-积累 CMP 硝化抑制剂 

分 类 号：S143.16[农业科学—肥料学]