Copper and zinc extracted by multielement solution for Southern Brazilian soils

被引：4
|
作者：
Bortolon, Leandro [1 ]
Gianello, Clesio [1 ]
机构：
[1] Univ Fed Rio Grande do Sul, Dept Solos, BR-91540000 Porto Alegre, RS, Brazil
来源：
CIENCIA RURAL | 2010年 / 40卷 / 03期
关键词：
soil test; Mehlich-1; Mehlich-3; PHOSPHORUS; CALIBRATION;
D O I：
10.1590/S0103-84782010005000035
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Copper (Cu) and zinc (Zn) amounts extracted with 0.1molar L(-1) HCl (HCl) for the most representative soil types of Rio Grande do Sul State (Brazil) were compared with those extracted with Mehlich-1 (M(3)) and Mehlich-3 (M(3)) solutions. The nutrients' amounts extracted by different methods indicated high correlation degree. The M(3) solution extracted similar copper amounts than HCl however, lower amounts of Zn. The M(1) and M(3), solutions are efficient for simultaneous multielement extraction and can be used in soil testing laboratories for RS and SC states.
引用
收藏
页码：670 / 673
页数：4
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