Table 2.
The nutrient content of D. moldavica in response to the different NH4+:NO3− ratios.
| NH4+:NO3− ratios | Nutrient content (%) | |||||
|---|---|---|---|---|---|---|
| DM | N | P | K | Ca | Mg | |
| 100:0* | – | – | – | – | – | – |
| 75:25 | 97.80 ± 0.50a | 2.00 ± 0.11d | 1.69 ± 0.03a | 4.00 ± 0.14a | 1.04 ± 0.02c | 0.84 ± 0.01c |
| 50:50 | 97.70 ± 0.40a | 2.52 ± 0.26c | 0.79 ± 0.03b | 3.57 ± 0.06c | 1.56 ± 0.08a | 1.20 ± 0.02b |
| 25:75 | 97.50 ± 0.40a | 4.06 ± 0.15a | 0.71 ± 0.01c | 3.65 ± 0.09bc | 1.64 ± 0.07a | 1.39 ± 0.07a |
| 0:100 | 96.90 ± 0.30a | 3.01 ± 0.09b | 0.52 ± 0.02d | 3.79 ± 0.10b | 1.40 ± 0.02b | 1.27 ± 0.08b |
*The plants of 100 NH4+:0 NO3− treatment was destroyed in mid-growth stages, due to ammonium toxicity.
DM Dry matter.