Research Article
Nitrate-Nitrogen Leaching and Modeling in Intensive Agriculture Farmland in China
Table 4
Statistical comparison of groundwater concentration of NO3-N in three different cropped farmlands.
| | Planted type | Average
(mg/L) | Range
(mg/L) | Coefficient of variation/(%) | Rate of exceed
(%) |
| | Grape orchard | 15.97 | 9.10~22.95 | 24.48 | 100 | | Vegetable base | 4.02 | 2.17~6.74 | 27.91 | 44 | | Conventional farmland | 3.54 | 1.16~5.28 | 35.02 | 20 |
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