Table 5 N, P, and K utilization efficiencies of summer maize under different cultivation patterns.
Year | Patterns | RE (%) | HI (%) | PFP (kg kg−1) | AE (kg kg−1) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | P | K | N | P | K | N | P | K | N | P | K | ||
2014 | SH | 34.3ab | 20.1c | 22.9c | 71.6a | 61.9a | 26.1a | 27.6c | 46.0c | 27.6c | 6.4b | 8.5b | 4.2b |
ONM | 36.9a | 22.5b | 26.0b | 67.9b | 61.2a | 24.1b | 33.9a | 54.2b | 30.1b | 7.6a | 9.7a | 5.1a | |
FP | 24.8c | 29.9a | 34.5a | 63.9c | 58.2b | 22.9c | 31.6b | 90.6a | 52.3a | 6.2c | 6.0c | 3.8c | |
2015 | SH | 35.2ab | 17.5c | 16.4b | 68.2a | 56.9a | 23.1a | 26.4c | 43.9c | 26.4c | 5.8b | 6.2c | 3.3bc |
ONM | 36.8a | 21.4b | 16.0b | 68.5a | 56.7a | 23.2a | 31.8a | 50.9b | 28.3b | 7.2a | 7.8a | 3.7a | |
FP | 27.7c | 25.6a | 22.3a | 66.4b | 53.7b | 21.3b | 30.8b | 88.2a | 50.9a | 5.3bc | 7.1b | 3.4ab |