1 材料与方法
1.1 材料
1.2 方法
1.3 数据处理
2 结果与分析
2.1 果蔗-花生不同间种处理对果蔗产量的影响
表1 不同果蔗-花生间种处理下的果蔗农艺性状和产量Tab. 1 Agronomic traits and yield of chewing cane for different chewing cane-peanut intercropping treatments |
| 处理 Treatment | 株高 Height/cm | 有效茎 Millable stalks/(104 plant·hm-2) | 茎径 Stem diameter/mm | 单株茎重 Weight of stem/(kg·plant-1) | 产量 Yield/(t·hm-2) |
|---|---|---|---|---|---|
| T2 | 203.7±17.6b | 4.5±0.8ab | 30.6±3.8a | 1.45±0.36ab | 108.3±7.6a |
| T1 | 230.6±15.6a | 4.0±0.8b | 31.3±2.4a | 1.68±0.34a | 111.6±5.7a |
| T0 | 193.8±21.3b | 4.8±1.7a | 30.8±4.0a | 1.37±0.41b | 108.3±8.3a |
Note: Different lowercase letters in the same column meant significant difference among treatments (P<0.05). | |
注:同列数据后不同小写字母表示不同处理间差异显著(P<0.05)。 |
2.2 果蔗-花生不同间种处理对花生产量的影响
表2 不同果蔗-花生间种处理下的花生农艺性状和产量Tab. 2 Agronomic traits and yield of peanut for different chewing cane-peanut intercropping treatments |
| 处理 Treatment | 株高 Height/cm | 单株分支数 The number of branch per plant | 单株饱果数 Number of full fruits per plant | 单株荚果重 Pod weight per plant/g | 饱果率 Full pod rate /% | 百果重 100-pod weight /g | 产量 Yield/(kg·hm-2) |
|---|---|---|---|---|---|---|---|
| T2 | 31.8±3.6a | 10.7±1.6a | 10.2±1.3a | 21.8±1.8b | 75.4±5.3b | 109.4±6.7b | 2311.2±75.8a |
| T1 | 32.7±3.3a | 11.2±2.7a | 10.5±2.1a | 24.5±2.2a | 81.3±2.4a | 112.5±7.8a | 2231.0±56.8a |
| T0 | — | — | — | — | — | — | — |
Note: Different lowercase letters in the same column meant significant difference among treatments (P<0.05). | |
注:同列数据后不同小写字母表示不同处理间差异显著(P<0.05)。 |
2.3 果蔗-花生不同间种对土壤理化性状的影响
图2 果蔗-花生不同间种处理种植前与收获后土壤理化性状变化*和**分别表示差异显著(P<0.05)或差异极显著(P<0.01)。 Fig. 2 Changes of soil physicochemical properties on different chewing cane-peanut intercropping treatments before plant and after harvest #x0002A; and ** indicate significant difference (P<0.05) and extremely significant difference (P<0.01), respectively. |
2.4 果蔗-花生不同间种处理经济效益比较与经济效益构成因子间相关分析
表3 果蔗-花生不同间种处理的产值、成本和经济效益Tab. 3 Output, cost and profit for different chewing cane-peanut intercropping treatments |
| 处理 Treatment | 花生产值 Peanut output/ (yuan∙hm-2) | 果蔗产值 Chewing cane output/ (yuan∙hm-2) | 总产值 Total output/ (yuan∙hm-2) | 成本 Cost/ (yuan∙hm-2) | 利润 Profit/(yuan∙hm-2) |
|---|---|---|---|---|---|
| T2 | 18 490a | 129 960b | 148 450ab | 81 840a | 66 610b |
| T1 | 17 848a | 133 920a | 151 768a | 81 120ab | 70 648a |
| T0 | — | 129 960b | 129 960b | 80 400a | 49 560c |
Note: Different lowercase letters in the same column meant significant difference among chewing cane-peanut intercropping treatments (P<0.05). | |
注:同列数据后不同小写字母表示在0.05水平差异显著(P<0.05)。 |
表4 果蔗-花生不同间种处理下产值、成本与利润的相关分析结果Tab. 4 Correlation analysis on productive value, cost and profit for different chewing cane-peanut intercropping treatments |
| 项目 Items | 果蔗产值 Chewing cane output | 花生产值 Peanut output | 总产值 Total output | 成本 Cost | 利润 Profit |
|---|---|---|---|---|---|
| 果蔗产值 | 1 | ||||
| 花生产值 | 0.71* | 1 | |||
| 总产值 | 0.94** | 0.91** | 1 | ||
| 成本 | 0.76* | 0.93** | 0.90** | 1 | |
| 利润 | 0.95** | 0.90** | 1.00** | 0.89** | 1 |
Note: * and ** indicate significant correlation (P<0.05) and extremely significant correlation (P<0.01), respectively. | |
注:*和**分别表示显著相关(P<0.05)和极显著相关(P<0.01)。 |
