Research Article
The Effects of Organic Wastes on Soil and Cotton Quality with respect to the Risk of Boron and Heavy Metal Pollution
Table 1
Chemical properties of composted wastes used in two field experiments.
| | Year | Composted wastes | pH | Total soluble salt (%) | Organic matter (%) | Milligram per kilogram | | B | Pb | Ni | Cr | Co | Cd |
| | 2003 | Oily cumin | 7.4 | 1.9 | 79 | 11 | 7 | 5 | 3 | 3 | 0.4 | | Oily oregano | 7.2 | 3.1 | 85 | 15 | 13 | 35 | 20 | 7 | 0.7 | | Oilless oregano | 8.5 | 1.8 | 79 | 15 | 8 | 12 | 6 | 4 | 0.3 |
| | 2006 | Oily cumin | 8.3 | 1.5 | 80 | 5.0 | 5 | 3 | 2 | 2 | 0.3 | | Oily oregano | 7.4 | 1.5 | 88 | 3.5 | 10 | 28 | 17 | 5 | 0.4 |
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Values are an average of three samples.
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