From: Electrical signal of pepper during cropping period affected by different amount of fertilizer
Ca (mg/kg) | Mg (mg/kg) | K (mg/kg) | NH4+-N (mg/kg) | NO3−-N (mg/kg) | ||||
---|---|---|---|---|---|---|---|---|
Extraction | Water | NH4OAC | Water | NH4OAC | Water | NH4OAC | KCl | KCl |
Low fertilizer (N0) | 11.3 ± 1.47 ab | 785 ± 109 a | 5.83 ± 0.39 ab | 377 ± 53.5 a | 36.6 ± 6.58 a | 325 ± 36 a | 18.1 ± 2.60 a | 5.77 ± 1.74 b |
Control (N1) | 8.88 ± 1.27 ab | 742 ± 93.9 a | 4.77 ± 0.96 b | 296 ± 56.0 a | 25.7 ± 11.8 a | 254 ± 43 a | 17.4 ± 2.40 a | 4.47 ± 2.98 b |
Conventional (N2) | 5.23 ± 3.14 b | 708 ± 6.82 a | 2.43 ± 0.65 b | 314 ± 52.5 a | 15.7 ± 3.49 a | 270 ± 43 a | 15.1 ± 0.57 a | 2.37 ± 1.37 b |
High fertilizer (N3) | 19.8 ± 7.89 a | 874 ± 20.0 a | 10.1 ± 3.46 a | 401 ± 38.8 a | 24.7 ± 13.5 a | 246 ± 35 a | 17.3 ± 2.45 a | 44.2 ± 12.8 a |