Geoscience Reference
In-Depth Information
Fig. 16.37 Formation of parathion hydrolysis product (fraction of initial
14
C label appearing in
the aqueous extract) in remoistened Gilat soil after application of 10-160 lg parathion per g dry
soil. Plotted points are means of three replicates ± standard error. Continuous curves represent
model simulations. Reprinted from Nelson et al. (
1982
). Copyright 1982 with permission of
Elsevier
Table 16.9
Physicochemical characteristics of soils used in experiments (Wahid et al.
1980
)
Soil
pH
Organic matter
Clay
Free Fe
Alluvial (no. 10)
6.2
0.75
15.6
0.83
Laterite (no. 11)
6.3
2.88
23.6
2.40
Pokkali (no. 13)
5.2
5.52
45.6
1.38
