1 材料与方法
1.1 试验材料
1.2 试验方法
表1 “3414”完全实施方案处理 |
| 试验编号 | 处理 | N水平 | P水平 | K水平 |
|---|---|---|---|---|
| 1 | N0 P0 K0 | 0 | 0 | 0 |
| 2 | N0 P2 K2 | 0 | 2 | 2 |
| 3 | N1 P2 K2 | 1 | 2 | 2 |
| 4 | N2 P0 K2 | 2 | 0 | 2 |
| 5 | N2 P1 K2 | 2 | 1 | 2 |
| 6 | N2 P2 K2 | 2 | 2 | 2 |
| 7 | N2 P3 K2 | 2 | 3 | 2 |
| 8 | N2 P2 K0 | 2 | 2 | 0 |
| 9 | N2 P2 K1 | 2 | 2 | 1 |
| 10 | N2 P2 K3 | 2 | 2 | 3 |
| 11 | N3 P2 K2 | 3 | 2 | 2 |
| 12 | N1 P1 K2 | 1 | 1 | 2 |
| 13 | N1 P2 K1 | 1 | 2 | 1 |
| 14 | N2 P1 K1 | 2 | 1 | 1 |
表2 基于“3414”完全实施方案的肥料用量单位:(g/m2) |
| 试验编号 | 处理 | 底肥 | 追肥 | ||
|---|---|---|---|---|---|
| 尿素 | 过磷酸钙 | 氯化钾 | 尿素 | ||
| 1 | N0 P0 K0 | 0 | 0 | 0 | 0 |
| 2 | N0 P2 K2 | 0 | 50 | 15.0 | 0 |
| 3 | N1 P2 K2 | 17.4 | 50 | 15.0 | 2.175 |
| 4 | N2 P0 K2 | 34.8 | 0 | 15.0 | 4.350 |
| 5 | N2 P1 K2 | 34.8 | 25 | 15.0 | 4.350 |
| 6 | N2 P2 K2 | 34.8 | 50 | 15.0 | 4.350 |
| 7 | N2 P3 K2 | 34.8 | 75 | 15.0 | 4.350 |
| 8 | N2 P2 K0 | 34.8 | 50 | 0 | 4.350 |
| 9 | N2 P2 K1 | 34.8 | 50 | 7.5 | 4.350 |
| 10 | N2 P2 K3 | 34.8 | 50 | 22.5 | 4.350 |
| 11 | N3 P2 K2 | 52.2 | 50 | 15.0 | 6.525 |
| 12 | N1 P1 K2 | 17.4 | 25 | 15.0 | 2.175 |
| 13 | N1 P2 K1 | 17.4 | 50 | 7.5 | 2.175 |
| 14 | N2 P1 K1 | 34.8 | 25 | 7.5 | 4.350 |
1.3 调查指标及方法
1.3.1 生育性状
1.3.2 土壤养分指标
1.4 数据处理
2 结果与分析
2.1 水稻生育性状
表3 水稻生育性状 |
| 编号 | 处理 | 穴数/(穴/m2) | 株高/m | 有效穗数/(穗/穴) | 千粒重/g | 穗粒数/粒 | 产量/(kg/667 m2) |
|---|---|---|---|---|---|---|---|
| 1 | N0 P0 K0 | 10.7±2.08 cde | 1.000±0.07 bcde | 14.0±0.00 gf | 23.9±1.03 ab | 125.2±3.05 h | 241.0±6.05 k |
| 2 | N0 P2 K2 | 15.3±1.53 ab | 0.938±0.07 e | 10.0±2.00 i | 21.8±0.96 f | 139.3±0.44 def | 257.4±2.28 j |
| 3 | N1 P2 K2 | 11.7±0.58 cde | 0.992±0.04 cde | 18.0±1.00 de | 21.6±1.39 f | 143.5±8.04 de | 384.1±8.35 i |
| 4 | N2 P0 K2 | 10.0±2.00 e | 1.065±0.02 abc | 24.7±0.58 c | 22.3±0.87 def | 147.6±7.69 de | 465.5±7.75 ef |
| 5 | N2 P1 K2 | 11.8±1.61 cde | 1.047±0.05 abcd | 19.7±1.53 d | 24.4±0.90 abc | 136.8±4.59 efg | 472.0±7.51 de |
| 6 | N2 P2 K2 | 10.2±2.02 de | 1.099±0.01 a | 29.0±1.00 b | 23.0±1.87 cdef | 159.0±5.02 bc | 614.2±6.08 a |
| 7 | N2 P3 K2 | 9.3±1.15 e | 1.083±0.05 abc | 31.3±0.58 a | 24.8±0.76 a | 129.2±8.01 fgh | 555.9±4.33 b |
| 8 | N2 P2 K0 | 15.3±2.25 ab | 1.089±0.06 ab | 15.3±0.58 fgh | 23.1±0.97 bcdef | 149.2±9.50 cd | 442.4±2.35 g |
| 9 | N2 P2 K1 | 10.3±1.53 de | 1.067±0.06 abc | 23.3±1.53 c | 22.3±1.02 def | 164.0±7.31 b | 458.2±1.97 f |
| 10 | N2 P2 K3 | 13.2±1.04 bc | 0.955±0.06 de | 15.7±0.58 fg | 24.0±1.06 abcd | 190.7±8.78 a | 552.2±5.67 b |
| 11 | N3 P2 K2 | 12.8±1.61 bcd | 1.010±0.06 abcde | 17.0±2.00 ef | 21.4±0.84 f | 189.8±4.11 a | 532.5±5.44 c |
| 12 | N1 P1 K2 | 16.0±2.00 a | 0.922±0.04 e | 16.7±1.15 ef | 22.2±0.62 ef | 125.4±5.63 h | 415.5±5.96 h |
| 13 | N1 P2 K1 | 14.7±0.58 ab | 0.958±0.08 de | 17.0±1.00 ef | 21.9±1.12 ef | 126.9±6.47 gh | 391.3±5.92 i |
| 14 | N2 P1 K1 | 17.3±1.53 a | 0.999±0.05 bcde | 13.7±0.58 h | 23.7±0.51 abcde | 147.6±5.40 d | 476.3±5.76 d |
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