表2 3个定位监测点各处理麦-稻养分投入与吸收的情况
作物 | 处理 | 667 m2 产量/kg | 667 m2施肥量/kg | 667 m2吸收量/kg |
N | P2O5 | K2O | N | P2O5 | K2O |
小麦 | 1 | 96.2 | 0 | 0 | 0 | 2.28 | 1.17 | 2.32 |
| 2 | 197.2 | 10.95 | 2.86 | 7.14 | 5.26 | 2.80 | 4.77 |
| 3 | 240.9 | 6.67 | 4.00 | 5.71 | 6.18 | 3.21 | 6.44 |
| 4 | 265.5 | 4.50 | 0 | 3.81 | 7.05 | 3.83 | 7.66 |
水稻 | 1 | 316.1 | 0 | 0 | 0 | 3.79 | 2.50 | 9.15 |
| 2 | 516.5 | 9.20 | 3.00 | 6.00 | 6.78 | 4.78 | 18.04 |
| 3 | 525.8 | 8.52 | 4.44 | 9.00 | 7.05 | 4.66 | 17.73 |
| 4 | 542.4 | 8.52 | 4.44 | 9.00 | 7.73 | 4.97 | 19.07 |