Although a large amount of soil carbon(C)is stored in subsoil, horizons,most studies on soil C dynamics focus on the upp......

Deposition of atmospheric N and P and enrichment of CO2 concentration may increase soil nutrient availability and C inpu......

Consumers use of the Internet makes the lines between work、leisure、entertainment and shopping become blurred.Peoples t......

　　Mollisol soil is probably the most fertile soil for agricultural usage.Recent models predict that global warming cau......

目的 比较被试对相同刺激在不同诱导条件下认知差异,探讨倒置效应和结构变化在面孔识别中的意义.方法 采用诱导启动范式,以16名正......

结合近来利用同位素示踪技术进行的氮素研究，比较系统地探讨了土壤氮素的激发效应及其影响因子。通过土壤和肥料的Ｃ／Ｎ值，土壤水分，肥料种......