Table 1 Irrigation water compositions.
OP (MPa) | dSm−1 | mmolc L−1 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
EC | pH | Na+ | K+ | Ca2+ | Mg2+ | SO42− | Cl− | PO43− | NO3− | |
Control (−0.03) | 1.20 | 4.90 | 1.5 | 3.0 | 4.0 | 2.0 | 2.0 | 3.0 | 1.5 | 5 |
−0.15 Cl− | 4.00 | 4.92 | 16 | 3.0 | 16 | 2.0 | 2.0 | 29 | 1.5 | 5 |
−0.30Cl− | 8.26 | 4.92 | 36 | 3.0 | 36 | 2.0 | 2.0 | 69 | 1.5 | 5 |
−0.45 Cl− | 12.0 | 4.93 | 55.5 | 3.0 | 55.5 | 2.0 | 2.0 | 109 | 1.5 | 5 |
−0.60Cl− | 15.8 | 4.94 | 75 | 3.0 | 75 | 2.0 | 2.0 | 148 | 1.5 | 5 |
Control (−0.03) | 1.20 | 4.90 | 1.5 | 3.0 | 4 | 2.0 | 2.0 | 3.0 | 1.5 | 5 |
−0.15 SO42− Cl− | 4.33 | 4.93 | 15.7 | 3.0 | 14.7 | 7.6 | 19.8 | 20.8 | 1.5 | 5 |
−0.30 SO4−2 Cl− | 8.88 | 4.93 | 32 | 3.0 | 32 | 16 | 45.5 | 45.5 | 1.5 | 5 |
−0.45 SO4−2 Cl− | 12.2 | 4.92 | 51 | 3 | 35 | 26 | 56.9 | 75. | 1.5 | 5 |
−0.60 SO4−2 Cl− | 15.8 | 4.93 | 74 | 3.0 | 36 | 33 | 65.4 | 105.5 | 1.5 | 5 |
