
Journal of Zhejiang Agricultural Sciences ›› 2025, Vol. 66 ›› Issue (11): 2601-2606.DOI: 10.16178/j.issn.0528-9017.20240061
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XIE Yanfen1(
), HUANG Yue2, ZHAO Yuting1, ZHANG Yanyan1, ZHANG Guohong1, FANG Zhipeng1, WANG Wenbo1, XU Desheng1, HAN Jiabao1,*(
), WANG Na2,*(
)
Received:2024-01-18
Online:2025-11-11
Published:2025-12-01
CLC Number:
XIE Yanfen, HUANG Yue, ZHAO Yuting, ZHANG Yanyan, ZHANG Guohong, FANG Zhipeng, WANG Wenbo, XU Desheng, HAN Jiabao, WANG Na. Effects of potassium fertilizer application rate on potassium accumulation in tobacco plants and soil microbial community[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(11): 2601-2606.
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URL: http://www.zjnykx.cn/EN/10.16178/j.issn.0528-9017.20240061
| 处理 | 烟草专用复合肥/ (kg·hm-2) | 硫酸钾/ (kg·hm-2) | 钾肥总量/ (kg·hm-2) | 纯氮总量/ (kg·hm-2) | 纯磷总量/ (kg·hm-2) |
|---|---|---|---|---|---|
| N1 | 750 | 225 | 304.5 | 112.5 | 60.0 |
| N2 | 750 | 450 | 421.5 | 112.5 | 60.0 |
| N3 | 750 | 675 | 538.5 | 112.5 | 60.0 |
Table 1 Experimental design
| 处理 | 烟草专用复合肥/ (kg·hm-2) | 硫酸钾/ (kg·hm-2) | 钾肥总量/ (kg·hm-2) | 纯氮总量/ (kg·hm-2) | 纯磷总量/ (kg·hm-2) |
|---|---|---|---|---|---|
| N1 | 750 | 225 | 304.5 | 112.5 | 60.0 |
| N2 | 750 | 450 | 421.5 | 112.5 | 60.0 |
| N3 | 750 | 675 | 538.5 | 112.5 | 60.0 |
| 处理 | 根 | 茎 | 叶 |
|---|---|---|---|
| N1 | 1.26±0.04 a | 2.45±0.08 a | 5.28±0.24 a |
| N2 | 1.35±0.09 a | 2.29±0.15 a | 5.39±0.16 a |
| N3 | 1.23±0.06 a | 1.81±0.08 b | 4.60±0.31 b |
Table 2 Potassium accumulation in tobacco plants under different potassium fertilizer application rates 单位:g·株-1
| 处理 | 根 | 茎 | 叶 |
|---|---|---|---|
| N1 | 1.26±0.04 a | 2.45±0.08 a | 5.28±0.24 a |
| N2 | 1.35±0.09 a | 2.29±0.15 a | 5.39±0.16 a |
| N3 | 1.23±0.06 a | 1.81±0.08 b | 4.60±0.31 b |
| 处理 | pH值 | 有机质含量/ (g·kg-1) | 有效磷含量/ (mg·kg-1) | 碱解氮含量/ (mg·kg-1) | 速效钾含量/ (mg·kg-1) | 微生物生物量碳 含量/(mg·kg-1) | 微生物生物量氮 含量/(mg·kg-1) |
|---|---|---|---|---|---|---|---|
| N1 | 6.33±0.43 a | 40.51±3.36 a | 137.25±8.84 a | 156.21±17.76 a | 470.72±53.16 b | 151.90±16.20 a | 67.85±11.75 a |
| N2 | 6.11±0.15 a | 37.50±6.75 a | 148.59±47.49 a | 90.70±32.07 b | 623.56±117.28 ab | 164.34±13.57 a | 49.38±0.34 b |
| N3 | 5.85±0.30 a | 32.42±10.52 a | 146.97±58.73 a | 121.29±17.64 ab | 720.03±50.82 a | 162.68±23.90 a | 49.64±0.12 b |
Table 3 Physicochemical properties of soil under different potassium fertilizer application rates
| 处理 | pH值 | 有机质含量/ (g·kg-1) | 有效磷含量/ (mg·kg-1) | 碱解氮含量/ (mg·kg-1) | 速效钾含量/ (mg·kg-1) | 微生物生物量碳 含量/(mg·kg-1) | 微生物生物量氮 含量/(mg·kg-1) |
|---|---|---|---|---|---|---|---|
| N1 | 6.33±0.43 a | 40.51±3.36 a | 137.25±8.84 a | 156.21±17.76 a | 470.72±53.16 b | 151.90±16.20 a | 67.85±11.75 a |
| N2 | 6.11±0.15 a | 37.50±6.75 a | 148.59±47.49 a | 90.70±32.07 b | 623.56±117.28 ab | 164.34±13.57 a | 49.38±0.34 b |
| N3 | 5.85±0.30 a | 32.42±10.52 a | 146.97±58.73 a | 121.29±17.64 ab | 720.03±50.82 a | 162.68±23.90 a | 49.64±0.12 b |
| 处理 | 酸性磷酸酶活性/ (nmol·h-1·g-1) | 蔗糖酶活性/ (μmol·h-1·g-1) | 脲酶活性/ (μg·d-1·g-1) | 过氧化氢酶活性/ (μmol·h-1·g-1) |
|---|---|---|---|---|
| N1 | 524.60±41.66 a | 838.08±92.88 a | 648.52±37.77 b | 388.94±35.73 c |
| N2 | 455.98±49.79 a | 888.86±57.02 a | 804.09±61.87 a | 558.15±43.50 b |
| N3 | 509.08±147.02 a | 893.34±92.59 a | 604.50±26.62 b | 708.51±27.93 a |
Table 4 Soil enzyme activity under different potassium fertilizer application rates
| 处理 | 酸性磷酸酶活性/ (nmol·h-1·g-1) | 蔗糖酶活性/ (μmol·h-1·g-1) | 脲酶活性/ (μg·d-1·g-1) | 过氧化氢酶活性/ (μmol·h-1·g-1) |
|---|---|---|---|---|
| N1 | 524.60±41.66 a | 838.08±92.88 a | 648.52±37.77 b | 388.94±35.73 c |
| N2 | 455.98±49.79 a | 888.86±57.02 a | 804.09±61.87 a | 558.15±43.50 b |
| N3 | 509.08±147.02 a | 893.34±92.59 a | 604.50±26.62 b | 708.51±27.93 a |
| 处理 | Shannon指数 | ACE指数 |
|---|---|---|
| N1 | 9.38±0.21 a | 3 985.27±409.12 a |
| N2 | 9.21±0.03 ab | 3 423.24±194.30 a |
| N3 | 8.79±0.43 b | 3 356.58±415.41 a |
Table 5 α-diversities of soil bacterial community under different potassium fertilizer application rates
| 处理 | Shannon指数 | ACE指数 |
|---|---|---|
| N1 | 9.38±0.21 a | 3 985.27±409.12 a |
| N2 | 9.21±0.03 ab | 3 423.24±194.30 a |
| N3 | 8.79±0.43 b | 3 356.58±415.41 a |
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