养分 | 含量范围 | 平均值 | 各级样品数所占总样数百分比(%) | DRIS 指数 | ||||
极缺 | 低量 | 适量 | 高量 | 过量 | ||||
N (g/kg) | 16.22~30.48 | 22.45 | 43.08 | 40.00 | 16.92 | — | — | 0.003 |
P (g/kg) | 0.808~2.870 | 1.26 | — | 53.08 | 40.77 | 6.15 | — | 4.47 |
K (g/kg) | 3.57~22.96 | 13.69 | — | 18.46 | 79.23 | 2.31 | — | 7.33 |
Ca (g/kg) | 6.21~36.51 | 15.80 | 48.46 | 48.46 | 3.08 | — | — | −14.93 |
Mg (g/kg) | 0.791~3.379 | 2.00 | 51.54 | 36.15 | 12.31 | — | — | −11.42 |
Zn (mg/kg) | 5.12~36.63 | 13.74 | 78.46 | 2.31 | 19.23 | — | — | −21.40 |
B (mg/kg) | 25.44~143.75 | 62.61 | — | 5.38 | 81.54 | 13.08 | — | 35.95 |