Table 4

Elemental composition of the ABR effluent used for the irrigation and estimates of the major nutrients supplied during the irrigation of the Swiss chard plants

ABR effluent samplingNutrient content (kg ha−1)
ABR1ABR2ABR3ABR4AverageBlock 1Block 2Block 3Average
Elementmg L−1mg L−1mg L−1mg L−1mg L−1kg ha−1kg ha−1kg ha−1kg ha−1
N6161997797.691.2
Ca22.131.248.214.228.946.936.546.343.2
K15.719.48.3413.314.223.117.922.721.2
Mg14.912.527.14.214.723.918.623.522.0
P4.469.343.483.015.18.36.48.27.6
Al0.360.02000.10.20.10.20.1
Nand35.936.833.335.357.344.656.552.8
Fe0.120.090.080.090.10.20.10.20.1
Mo0.110.070.040.050.10.20.10.20.1
Zn0.06000.0100000
B00.10.070.030.10.20.10.20.2
Cu000000000
Mn000000000
Co000000000
Cr000000000
Cdnd00000000
Hg0ndndnd00000
Ni000000000
Send00000000
Vnd0.010000000
Snd13.824.81618.329.723.129.327.4
Pbnd0.090.120.070.10.20.10.20.1
  • nd, not detected.