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 调理剂对烤烟经济性状的影响
表1 不同调理剂处理的烤烟经济性状比较Tab. 1 Comparison of different soil conditioner on economic characters of flue-cured tobacco |
| 处理 Treatment | 产量 Yield/(kg•hm-2) | 产值 Output/(yuan•hm-2) | 上中等烟比例 Ratio of middle and hing quality tobacco/% | 上等烟比例 Ratio of high quality tobacco/% | 均价 Average price /(yuan•kg-1) |
|---|---|---|---|---|---|
| CK | 2501.25c | 55 594.50c | 87.51a | 46.29b | 22.23b |
| 调理剂Ⅰ | 3262.05a | 87 604.20a | 93.96a | 61.23a | 26.85a |
| 调理剂Ⅱ | 2702.70b | 68 204.85b | 87.52a | 60.47a | 25.23a |
注:同列数据后不同小写字母表示差异显著(P<0.05)。 | |
Note: Different lowercase letters in the table indicate a significant level of 5% between different treatments. |
2.2 调理剂对烤烟化学成分的影响
表2 不同调理剂处理烤后烟叶化学成分比较Tab. 2 Comparison of different soil conditioner on chemical constituents of flue-cured tobacco leaves % |
| 处理 Treatment | 部位 Position | 总糖 Total sugar | 还原糖 Reducing sugar | 烟碱 Nicotine | 总氮 Total N | 氯 Cl | 钾 K | 蛋白质 Protein | 糖碱比 Total sugar/Nicotine | 氮碱比 Total N/Nicotine |
|---|---|---|---|---|---|---|---|---|---|---|
| CK | C3F | 30.8a | 24.9a | 3.33a | 1.66a | 0.45a | 3.88a | 6.77a | 9.24b | 0.50a |
| 调理剂Ⅰ | 34.6a | 26.5a | 2.85a | 1.49a | 0.21b | 3.25a | 6.23a | 12.14a | 0.52a | |
| 调理剂Ⅱ | 33.9a | 26.2a | 3.01a | 1.53a | 0.18b | 3.52a | 6.32a | 11.27a | 0.51a | |
| CK | B2F | 22.1a | 16.0a | 4.90a | 2.41a | 0.41a | 2.66a | 9.81a | 4.51a | 0.49a |
| 调理剂Ⅰ | 20.2a | 15.5a | 4.82a | 2.18a | 0.45a | 2.18a | 8.41a | 4.19a | 0.45a | |
| 调理剂Ⅱ | 19.9a | 14.7a | 4.76a | 2.42a | 0.35a | 2.29a | 9.96a | 4.18a | 0.51a |
注:同列数据后不同小写字母表示差异显著(P<0.05)。 | |
Note: Different lowercase letters in the table indicate a significant level of 5% between different treatments. |
2.3 调理剂对烤烟病害发生的影响
表3 不同调理剂处理烤烟病害发生情况比较Tab. 3 Comparison of different soil conditioner on tobacco diseases |
| 处理Treatment | 烟草青枯病 Tobacco bacterial wilt | 烟草普通花叶病 Tobacco mosaic virus | ||
|---|---|---|---|---|
| 发病率Morbidity/% | 发病指数Incidence index | 发病率Morbidity/% | 发病指数Incidence index | |
| CK | 11.67a | 4.17a | 7.50b | 2.71b |
| 调理剂Ⅰ | 5.00b | 3.33a | 3.33c | 1.04b |
| 调理剂Ⅱ | 8.33a | 3.96a | 19.17a | 6.25a |
注:同列数据后不同小写字母表示差异显著(P<0.05)。 | |
Note: Different lowercase letters in the table indicate a significant level of 5% between different treatments. |
2.4 调理剂对植烟土壤理化性质的影响
表4 不同调理剂处理间的土壤理化性质Tab. 4 Physical and chemical properties of soil between different conditioning treatments |
| 处理Treatment | pH | 有机质Organic matter/(g•kg-1) | 碱解氮Hydrolytic nitrogen/ (mg•kg-1) | 速效磷 Available phosphorus/ (mg•kg-1) | 速效钾/(mg•kg-1) | 全氮 Total N /(g•kg-1) | 全磷 Total P/ (g•kg-1) | 全钾 Total K/ (g•kg-1) | 交换性镁 Exchangeable Magnesium [cmol (1/2Mg2+)•kg-1] | 交换性钙 Exchangeable calcium [cmol (1/2Ca2+)•kg-1] |
|---|---|---|---|---|---|---|---|---|---|---|
| CK | 4.64b | 30.67a | 221.35a | 228.60a | 507.00b | 2.03a | 1.53a | 21.00a | 1.06b | 2.12b |
| 调理剂Ⅰ | 6.06a | 33.06a | 224.04a | 236.12a | 574.00a | 2.07a | 1.76a | 22.00a | 1.73a | 12.51a |
| 调理剂Ⅱ | 4.94b | 33.18a | 193.81a | 196.04a | 538.00ab | 2.02a | 1.48a | 21.88a | 1.52a | 3.75b |
注:同列数据后不同小写字母表示差异显著(P<0.05)。 | |
Note: Different lowercase letters in the table indicate a significant level of 5% between different treatments. |
2.5 调理剂对植烟土壤微生物群落的影响
表5 不同调理剂处理间的土壤微生物群落Tab. 5 Soil microbial community between different conditioning treatments |
| 处理 Treatment | 细菌 Bacteria /(×106CFU•g-1) | 真菌 Fungus /(×105CFU•g-1) | 放线菌 Actinomyces /(×106CFU•g-1) |
|---|---|---|---|
| CK | 6.09b | 4.89a | 5.69b |
| 调理剂Ⅰ | 7.17a | 5.04a | 7.90a |
| 调理剂Ⅱ | 7.42a | 4.88a | 7.92a |
注:同列数据后不同小写字母表示差异显著(P<0.05)。 | |
Note: Different lowercase letters in the table indicate a significant level of 5% between different treatments. |
2.6 调理剂对植烟土壤酶活性的影响
表6 不同调理剂处理间的土壤酶活性Tab. 6 Soil enzyme activities between different conditioning treatments |
| 处理 Treatment | 转化酶 Invertase/ (mg•g-1) | 磷酸酶 Phosphatase/ [mg•(100 g)-1] | 脲酶 Urease/ [mg•(100 g)-1] | 脱氢酶 Dehydrogenase/ (μg•g-1•h-1) |
|---|---|---|---|---|
| CK | 9.04b | 182.79a | 13.56b | 3.87c |
| 调理剂Ⅰ | 18.48a | 202.46a | 31.06a | 13.75a |
| 调理剂Ⅱ | 9.59b | 188.30a | 15.59b | 8.25b |
注:同列数据后不同小写字母表示差异显著(P<0.05)。 | |
Note: Different lowercase letters in the table indicate a significant level of 5% between different treatments. |
