不同类型富硒土壤的生物有效硒特征

姚凌阳, 谢淑云, 鲍征宇, 马明, 万能

Characteristics of bioavailable selenium in different types of selenium-rich soils

YAO Ling-Yang, XIE Shu-Yun, BAO Zheng-Yu, MA Ming, WAN Neng

表4 不同化学浸提剂提取的有效硒与植物硒的相关分析(n=17)

Table 4 Correlation analysis between available selenium extracted by different chemical extractants and plant selenium(n=17)

浸提剂 r p 浸提剂 r p KH2PO4 0.929 0.000 SOL-Se+EX-Se 0.840 0.000 NaHCO3 0.925 0.000 NaOH 0.760 0.000 SOL-Se 0.922 0.000 EDTA 0.715 0.001 KH2PO4-K2HPO4 0.915 0.000 NH4F-HCl 0.707 0.002 AB-DTPA 0.892 0.000 K2SO4 0.322 0.207