From: Effects of water levels and soil nutrients on the growth of Iris laevigata seedlings
Soil nutrient level | Treatment | NO3-N (mg/kg) | NH4-N (mg/kg) | PO4-P (mg/kg) | |
---|---|---|---|---|---|
Low (L) | Before | 1.35 ± 0.05 | 0.40 ± 0.06 | 4.46 ± 0.13 | |
After | − 10 cm | 0.15 ± 0.02 | 0.54 ± 0.09 | 4.22 ± 0.22 | |
0 cm | 0.13 ± 0.02 | 0.60 ± 0.08 | 3.62 ± 0.29 | ||
+ 10 cm | 0.17 ± 0.04 | 0.80 ± 0.10 | 3.83 ± 0.37 | ||
Medium (M) | Before | 23.92 ± 2.25 | 33.38 ± 1.64 | 24.31 ± 0.89 | |
After | − 10 cm | 0.27 ± 0.04 | 1.91 ± 0.63 | 19.29 ± 2.49 | |
0 cm | 0.17 ± 0.01 | 1.41 ± 0.26 | 19.60 ± 1.48 | ||
+ 10 cm | 0.26 ± 0.05 | 3.37 ± 1.75 | 20.97 ± 1.54 | ||
High (H) | Before | 60.87 ± 1.98 | 96.80 ± 3.70 | 56.94 ± 1.00 | |
After | − 10 cm | 0.94 ± 0.56 | 20.09 ± 6.50 | 39.47 ± 4.24 | |
0 cm | 0.36 ± 0.23 | 16.81 ± 4.69 | 34.85 ± 0.99 | ||
+ 10 cm | 0.55 ± 0.35 | 26.64 ± 3.40 | 32. 77 ± 8.59 |