不同有机物料对灌漠土重金属累积特征及作物效应的影响

宋姿蓉,俄胜哲,袁金华,贾武霞,曾希柏,苏世鸣,白玲玉

Heavy Metal Accumulation in Irrigated Desert Soils and Their Crop Effect After Applying Different Organic Materials

ZiRong SONG,ShengZhe E,JinHua YUAN,WuXia JIA,XiBai ZENG,ShiMing SU,LingYu BAI

表4 土壤中Cu、Zn全量（Y）随不同类型有机物料施用年限（X）的变化

Table 4 The correlation between the total amount of Cu and Zn in soil (Y) with the application years of different organic materials (X)

处理 Treatment Cu-Y R2 Zn-Y R2 CK Y=0.321X+31.285 0.613 Y=0.294X+72.943 0.357 NP Y=0.313X+30.996 0.717 Y=0.099X+72.87 0.144 NP+JF Y=1.252X+30.597 0.952** Y=4.868X+67.779 0.963** NP+NF Y=0.174X+31.717 0.454 Y=0.730X+72.089 0.906** NP+ZF Y=4.158X+28.419 0.910** Y=11.043X+58.695 0.978** NP+JZ Y=0.129X+31.546 0.086 Y=0.264X+72.156 0.317 NP+WN Y=0.969X+29.955 0.932** Y=2.587X+69.933 0.942** NP+ZZ Y=0.378X+30.78 0.902** Y=0.653X+71.467 0.848**