Table 1.
Irrigation regime | Fertilizer | Nutrient uptake (mg pot−1) | |||||||
---|---|---|---|---|---|---|---|---|---|
N | K | Ca | Mg | Fe | Zn | Cu | Mn | ||
I1 | Control | 199.1 ± 10c | 332.3 ± 21b | 219.4 ± 31b | 81.7 ± 13b | 4.3 ± 0.7b | 0.36 ± 0.06b | 0.103 ± 0.02b | 0.414 ± 0.08b |
Ortho-P | 271.4 ± 17b | 363.3 ± 69b | 238.2 ± 39b | 87.8 ± 21b | 6.5 ± 1.5a | 0.28 ± 0.05bc | 0.087 ± 0.02bc | 0.494 ± 0.14b | |
Poly-P | 315.0 ± 8a | 555.2 ± 60a | 341.4 ± 13a | 128.1 ± 13a | 7.0 ± 1.2a | 0.62 ± 0.19a | 0.146 ± 0.04a | 0.693 ± 0.03a | |
I2 | Control | 158.1 ± 16d | 177.6 ± 5cd | 117.9 ± 1c | 36.7 ± 1cd | 2.8 ± 0.2cd | 0.16 ± 0.01cd | 0.051 ± 0.01de | 0.195 ± 0.01cd |
Ortho-P | 169.7 ± 24d | 216.8 ± 49c | 143.1 ± 33c | 46.9 ± 9c | 2.5 ± 0.7cd | 0.18 ± 0.03cd | 0.056 ± 0.01d | 0.255 ± 0.06c | |
Poly-P | 176.8 ± 12cd | 200.7 ± 29cd | 138.8 ± 16c | 45.0 ± 5c | 3.4 ± 0.7bc | 0.19 ± 0.03cd | 0.060 ± 0.01cd | 0.247 ± 0.05c | |
I3 | Control | 86.9 ± 11e | 104.2 ± 9e | 50.2 ± 9d | 19.8 ± 2d | 1.76 ± 0.3d | 0.11 ± 0.01d | 0.030 ± 0.01de | 0.119 ± 0.02d |
Ortho-P | 103.8 ± 6e | 139.0 ± 25de | 67.2 ± 14d | 29.4 ± 11cd | 2.4 ± 0.7cd | 0.13 ± 0.02d | 0.036 ± 0.01de | 0.175 ± 0.05cd | |
Poly-P | 98.2 ± 10e | 103.2 ± 7e | 54.6 ± 8d | 19.4 ± 2d | 1.8 ± 0.3d | 0.09 ± 0.01d | 0.023 ± 0.01e | 0.117 ± 0.02d | |
p value | |||||||||
Irrigation | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
Fertilizer | < 0.001 | 0.001 | 0.001 | 0.009 | 0.019 | 0.020 | 0.092 | 0.007 | |
Irrig × Fertil | < 0.001 | < 0.001 | 0.001 | 0.004 | 0.037 | 0.002 | 0.017 | 0.008 |
Data are mean values ± SE (n = 6), dissimilar letters indicate significant differences at p < 0.05, according to Duncan’s new multiple range test.