Table 1 Selected properties of paddy soils used in the study and arsenic species in the husks of rice collected from three paddy fields
Soil | Total As (mg kg−1) | Soil texture | Soil pH | Extractable SO42− (mg kg−1) | Soil organic matter (g kg−1) | Arsenic species in rice husks | Rice straighthead symptoms in the field | ||
|---|---|---|---|---|---|---|---|---|---|
DMAs (mg kg−1) | iAs (mg kg−1) | DMAs as % of total As | |||||||
CZ | 86 | Clay | 6.7 | 432 | 30.8 | 0.17 ± 0.01 | 2.07 ± 0.17 | 7.8 | No |
QY | 101 | Clay | 6.0 | 374 | 21.9 | 0.19 ± 0.02 | 2.88 ± 0.13 | 6.3 | No |
XY | 3.4 | Loam clay | 5.4 | 238 | 11.1 | 1.50 ± 0.08 | 0.43 ± 0.12 | 77.7 | Yes |
