1 材料与方法
1.1 材料
1.2 方法
表1 施肥方案Tab. 1 Table of fertilization scheme |
| 处理 Treatment | 缓控释复合肥 Sustained release compound fertilizer/(kg•hm-2) | 常规肥 Conventional fertilizer/(kg•hm-2) | ||||
|---|---|---|---|---|---|---|
| 纯氮(N) | 纯磷(P2O5) | 纯钾(K2O) | 纯氮(N) | 纯磷(P2O5) | 纯钾(K2O) | |
| N∶P2O5∶K2O=1.0∶0.5∶1.5(低钾) | ||||||
| T1 (CRF60d) | 96 | 96 | 96 | 144 | 24 | 264 |
| T3 (CRF90d) | 96 | 96 | 96 | 144 | 24 | 264 |
| T5 (CCF) | 0 | 0 | 0 | 240 | 120 | 360 |
| N∶P2O5∶K2O=1.0∶0.5∶2.0(高钾) | ||||||
| T2 (CRF60d) | 96 | 96 | 96 | 144 | 24 | 384 |
| T4 (CRF90d) | 96 | 96 | 96 | 144 | 24 | 384 |
| T6 (CCF) | 0 | 0 | 0 | 240 | 120 | 480 |
| CK | 0 | 0 | 0 | 0 | 0 | 0 |
注:除CK处理外,其他处理均以基肥方式施用9000 kg•hm-2的鸡粪。 | |
Note: In addition to CK treatment, 9000 kg•hm-2 chicken manure was applied in other treatments in the form of base fertilizer. |
1.3 数据处理
2 结果与分析
2.1 不同释放期复合肥对马铃薯茎叶鲜重的影响
图1 不同释放期复合肥的马铃薯茎叶鲜重图中误差线表示标准误,不同小写字母表示方差分析达显著水平(P<0.05)。 Fig. 1 Different release periods of compound fertilizer on fresh weight of stem and leaf The error line in the figure represents standard error, different lowercase letters indicate variance analysis reached significant difference at the 0.05 level. |
图2 不同释放期复合肥的马铃薯茎叶鲜重图中误差线表示标准误,不同小写字母表示方差分析达显著水平(P<0.05)。 Fig. 2 Different release periods of compound fertilizer on fresh weight of stem and leaf The error line in the figure represents standard error, different lowercase letters indicate variance analysis reached significant difference at the 0.05 level. |
2.2 不同释放期复合肥对马铃薯块茎鲜重的影响
图3 不同释放期复合肥的马铃薯块茎鲜重图中误差线表示标准误,不同小写字母表示方差分析达显著水平(P<0.05)。 Fig. 3 Different release periods of compound fertilizer on fresh tuber weight of potato The error line in the figure represents standard error, different lowercase letters indicate variance analysis reached significant difference at the 0.05 level. |
图4 不同释放期复合肥的马铃薯块茎鲜重图中误差线表示标准误,不同小写字母表示方差分析达显著水平(P<0.05)。 Fig. 4 Different release periods of compound fertilizer on fresh tuber weight of potato The error line in the figure represents standard error, different lowercase letters indicate variance analysis reached significant difference at the 0.05 level. |
2.3 不同释放期复合肥对马铃薯茎叶干物质含量的影响
图5 不同释放期复合肥的马铃薯茎叶干物质含量图中误差线表示标准误,不同小写字母表示方差分析达显著水平(P<0.05)。 Fig. 5 Different release periods of compound fertilizer on dry matter content of stem and leaf The error line in the figure represents standard error, different lowercase letters indicate variance analysis reached significant difference at the 0.05 level. |
图6 不同释放期复合肥的马铃薯茎叶干物质含量图中误差线表示标准误,不同小写字母表示方差分析达显著水平(P<0.05)。 Fig. 6 Different release periods of compound fertilizer on dry matter content of stem and leaf The error line in the figure represents standard error, different lowercase letters indicate variance analysis reached significant difference at the 0.05 level. |
2.4 不同释放期复合肥对马铃薯块茎干物质含量的影响
图7 不同释放期复合肥的马铃薯块茎干物质含量图中误差线表示标准误,不同小写字母表示方差分析达显著水平(P<0.05)。 Fig. 7 Different release periods of compound fertilizer on tuber dry matter content of potato The error line in the figure represents standard error, different lowercase letters indicate variance analysis reached significant difference at the 0.05 level. |
图8 不同释放期复合肥的马铃薯块茎干物质含量图中误差线表示标准误,不同小写字母表示方差分析达显著水平(P<0.05)。 Fig. 8 Different release periods of compound fertilizer on tuber dry matter content of potato The error line in the figure represents standard error, different lowercase letters indicate variance analysis reached significant difference at the 0.05 level. |
2.5 不同释放期复合肥对马铃薯总产量及产量构成因子的影响
表2 不同释放期复合肥的马铃薯总产量及产量构成因子Tab. 2 Different release periods of compound fertilizer on total yield and yield factor |
| 处理 Treatment | 商品薯产量 Commercial potato yield/(kg•hm-2) | 商品薯率 Commodity potato rate/% | 总产量 Total yield/(kg•hm-2) | 较CK增产 Increment/% |
|---|---|---|---|---|
| T1 | 47 786±1 599.92ab | 96.76±0.27a | 49 393±1 550.17ab | 46.95 |
| T3 | 52 191±3 880.45a | 96.49±0.59a | 54 079±3 441.90a | 60.89 |
| T5 | 47 821±1 938.52ab | 96.06±0.85ab | 49 755±1 369.79ab | 48.02 |
| T2 | 54 744±1 156.55a | 96.79±0.73a | 56 550±707.41a | 68.24 |
| T4 | 52 832±1 027.96a | 96.00±0.23ab | 55 034±900.48a | 63.73 |
| T6 | 43 869±2 652.46b | 96.68±0.09a | 45 372±2 358.80b | 34.99 |
| CK | 31 807±1 256.20c | 94.62±0.32b | 33 613±1 020.28c |
注:表中数据为平均值±标准误。采用Duncan’s多重比较法,同列中不同字母表示处理间达显著差异(P<0.05)。 | |
Note: The data in the table are mean ± standard error. Duncan’s multiple comparison method was adopted. The different lowercase letters in the column indicated that there was significant difference between treatments (P<0.05). |
2.6 不同处理的经济效益分析
表3 经济效益表Tab. 3 Table of economic benefits |
| 处理 Treatment | 总产值 Total output value/(元·hm-2) | 较CK增产 Increment/% | 经济效益 Net income/(元·hm-2) | 较CK增效 Increment/% |
|---|---|---|---|---|
| T1 | 115 489±3 934.75ab | 49.52 | 76 785±3 934.75ab | 40.28 |
| T3 | 126 203±9 355.38a | 63.39 | 87 499±9 355.38a | 59.85 |
| T5 | 115 736±4 473.55ab | 49.84 | 77 416±4 473.55ab | 41.43 |
| T2 | 132 288±2 598.41a | 71.27 | 92 575±2 598.41a | 69.12 |
| T4 | 127 899±2 470.21a | 65.59 | 88 186±2 470.21a | 61.10 |
| T6 | 106 038±6 401.49b | 37.29 | 66 710±6 401.49bc | 21.87 |
| CK | 77 239±3 043.33c | 54 739±3 043.33c |
注:表中数据为平均值±标准误。采用Duncan’s多重比较法,同列中不同字母表示处理间达显著差异(P<0.05)。 | |
Note: The data in the table are mean ± standard error. Duncan’s multiple comparison method was adopted. The different lowercase letters in the column indicated that there was significant difference between treatments (P<0.05). |
