Table 3 NO3 −-N concentrations in the soil leachate after harvest the vegetables (mg·L−1).
Treatment | Original | Tomato 1 | Celery | Tomato 2 |
|---|---|---|---|---|
CK | 38.1 ± 0.2 | 10.2 ± 0.2 | 4.2 ± 0.1 | 6.3 ± 0.1 |
GOF | 38.2 ± 0.1 | 33.8 ± 0.3 | 28.5 ± 0.2 | 31.6 ± 0.3 |
BR | 37.2 ± 0.3 | 35.1 ± 0.4 | 30.3 ± 0.3 | 32.1 ± 0.3 |
ROF | 37.4 ± 0.3 | 11.6 ± 0.2 | 8.2 ± 0.1 | 6.4 ± 0.2 |