
Journal of Zhejiang Agricultural Sciences ›› 2026, Vol. 67 ›› Issue (5): 1112-1116.DOI: 10.16178/j.issn.0528-9017.20250499
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FU Hongfei(
), GUO Saisai, NIE Zhixing, ZHENG Jirong
Received:2025-07-10
Online:2026-05-11
Published:2026-05-12
CLC Number:
FU Hongfei, GUO Saisai, NIE Zhixing, ZHENG Jirong. Effect of increased potassium application rates on growth and nutrient contents in greenhouse-cultivated pepper[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(5): 1112-1116.
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| 施钾量/(kg·hm-2) | 株高/cm | 株幅/cm | 主茎高度/cm | 茎粗/mm | 叶片长度/cm | 叶片宽度/cm |
|---|---|---|---|---|---|---|
| 120 | 66.65±6.71 a | 66.90±9.98 a | 19.50±1.21 ab | 9.47±0.43 a | 11.10±0.31 a | 4.85±0.25 a |
| 180 | 65.05±4.70 a | 61.38±5.99 a | 17.97±1.28 b | 8.89±0.97 a | 10.80±1.15 a | 4.77±0.42 a |
| 240 | 71.27±6.77 a | 65.30±9.18 a | 19.65±1.32 a | 9.35±0.82 a | 11.38±0.98 a | 4.87±0.23 a |
Table 1 Plant traits of peppers under different potassium application rates
| 施钾量/(kg·hm-2) | 株高/cm | 株幅/cm | 主茎高度/cm | 茎粗/mm | 叶片长度/cm | 叶片宽度/cm |
|---|---|---|---|---|---|---|
| 120 | 66.65±6.71 a | 66.90±9.98 a | 19.50±1.21 ab | 9.47±0.43 a | 11.10±0.31 a | 4.85±0.25 a |
| 180 | 65.05±4.70 a | 61.38±5.99 a | 17.97±1.28 b | 8.89±0.97 a | 10.80±1.15 a | 4.77±0.42 a |
| 240 | 71.27±6.77 a | 65.30±9.18 a | 19.65±1.32 a | 9.35±0.82 a | 11.38±0.98 a | 4.87±0.23 a |
| 施钾量/(kg·hm-2) | 果实纵径/cm | 果实横径/mm | 果形指数 | 单果重/g | 抗坏血酸含量/(mg·g -1) | 氨基酸含量/(μmol·g -1) | 粗纤维含量/% |
|---|---|---|---|---|---|---|---|
| 120 | 11.53±0.71 a | 11.02±1.02 b | 10.52±0.94 a | 5.07±0.58 a | 4.21±0.64 a | 49.90±1.01 a | 15.21±0.57 a |
| 180 | 11.82±0.41 a | 11.10±0.62 b | 10.66±0.51 a | 4.89±0.69 a | 3.91±0.17 a | 42.32±1.90 b | 18.34±3.55 a |
| 240 | 11.63±0.58 a | 12.69±0.48 a | 9.19±0.69 b | 5.38±0.87 a | 3.80±0.28 a | 40.73±1.19 b | 15.58±1.50 a |
Table 2 Fruit traits of peppers under different potassium application rates
| 施钾量/(kg·hm-2) | 果实纵径/cm | 果实横径/mm | 果形指数 | 单果重/g | 抗坏血酸含量/(mg·g -1) | 氨基酸含量/(μmol·g -1) | 粗纤维含量/% |
|---|---|---|---|---|---|---|---|
| 120 | 11.53±0.71 a | 11.02±1.02 b | 10.52±0.94 a | 5.07±0.58 a | 4.21±0.64 a | 49.90±1.01 a | 15.21±0.57 a |
| 180 | 11.82±0.41 a | 11.10±0.62 b | 10.66±0.51 a | 4.89±0.69 a | 3.91±0.17 a | 42.32±1.90 b | 18.34±3.55 a |
| 240 | 11.63±0.58 a | 12.69±0.48 a | 9.19±0.69 b | 5.38±0.87 a | 3.80±0.28 a | 40.73±1.19 b | 15.58±1.50 a |
| 施钾量/(kg·hm-2) | 前期产量 | 总产量 |
|---|---|---|
| 120 | 43.77±2.17 a | 767.90±30.74 a |
| 180 | 42.66±2.37 a | 826.94±31.21 a |
| 240 | 44.19±3.15 a | 813.46±36.01 a |
Table 3 Yield of peppers under different potassium application rates(667 m2)
| 施钾量/(kg·hm-2) | 前期产量 | 总产量 |
|---|---|---|
| 120 | 43.77±2.17 a | 767.90±30.74 a |
| 180 | 42.66±2.37 a | 826.94±31.21 a |
| 240 | 44.19±3.15 a | 813.46±36.01 a |
| 器官 | 施钾量/(kg·hm-2) | 氮含量 | 磷含量 | 钾含量 |
|---|---|---|---|---|
| 根 | 120 | 13.99±0.94 a | 0.50±0.02 b | 3.28±0.15 b |
| 180 | 11.38±1.05 b | 0.70±0.06 a | 3.53±0.07 ab | |
| 240 | 8.01±0.70 c | 0.75±0.06 a | 3.75±0.19 a | |
| 茎 | 120 | 12.04±0.87 a | 0.57±0.04 c | 9.22±0.13 a |
| 180 | 12.32±0.47 a | 0.82±0.07 a | 9.21±0.13 a | |
| 240 | 11.64±0.76 a | 0.69±0.06 b | 8.91±0.69 a | |
| 叶 | 120 | 17.61±0.83 b | 0.75±0.06 b | 6.62±0.33 b |
| 180 | 21.00±0.48 a | 0.92±0.03 a | 7.11±0.16 a | |
| 240 | 18.55±0.74 b | 0.75±0.02 b | 6.11±0.18 c | |
| 果实 | 120 | 11.69±0.73 b | 0.86±0.04 b | 5.63±0.09 a |
| 180 | 13.37±0.62 a | 1.04±0.08 a | 5.83±0.09 a | |
| 240 | 14.76±0.83 a | 0.90±0.05 b | 5.56±0.13 a |
Table 4 Nutrient contents of peppers under different potassium application rates
| 器官 | 施钾量/(kg·hm-2) | 氮含量 | 磷含量 | 钾含量 |
|---|---|---|---|---|
| 根 | 120 | 13.99±0.94 a | 0.50±0.02 b | 3.28±0.15 b |
| 180 | 11.38±1.05 b | 0.70±0.06 a | 3.53±0.07 ab | |
| 240 | 8.01±0.70 c | 0.75±0.06 a | 3.75±0.19 a | |
| 茎 | 120 | 12.04±0.87 a | 0.57±0.04 c | 9.22±0.13 a |
| 180 | 12.32±0.47 a | 0.82±0.07 a | 9.21±0.13 a | |
| 240 | 11.64±0.76 a | 0.69±0.06 b | 8.91±0.69 a | |
| 叶 | 120 | 17.61±0.83 b | 0.75±0.06 b | 6.62±0.33 b |
| 180 | 21.00±0.48 a | 0.92±0.03 a | 7.11±0.16 a | |
| 240 | 18.55±0.74 b | 0.75±0.02 b | 6.11±0.18 c | |
| 果实 | 120 | 11.69±0.73 b | 0.86±0.04 b | 5.63±0.09 a |
| 180 | 13.37±0.62 a | 1.04±0.08 a | 5.83±0.09 a | |
| 240 | 14.76±0.83 a | 0.90±0.05 b | 5.56±0.13 a |
| 器官 | 氮含量 | 磷含量 | 钾含量 |
|---|---|---|---|
| 根 | -0.954** | 0.882** | 0.855** |
| 茎 | -0.255 | 0.442 | -0.345 |
| 叶 | 0.251 | -0.008 | -0.459 |
| 果实 | 0.902** | 0.162 | -0.170 |
Table 5 Correlation coefficients between potassium application rate and nutrient content in various organs of pepper
| 器官 | 氮含量 | 磷含量 | 钾含量 |
|---|---|---|---|
| 根 | -0.954** | 0.882** | 0.855** |
| 茎 | -0.255 | 0.442 | -0.345 |
| 叶 | 0.251 | -0.008 | -0.459 |
| 果实 | 0.902** | 0.162 | -0.170 |
| 器官 | 氮-磷含量 | 氮-钾含量 | 磷-钾含量 |
|---|---|---|---|
| 根 | -0.806** | -0.813** | 0.832** |
| 茎 | -0.105 | -0.252 | 0.261 |
| 叶 | 0.741* | 0.586 | 0.654 |
| 果实 | 0.189 | -0.117 | 0.648 |
Table 6 Correlation coefficients of nitrogen,phosphorus,and potassium content in various organs of pepper
| 器官 | 氮-磷含量 | 氮-钾含量 | 磷-钾含量 |
|---|---|---|---|
| 根 | -0.806** | -0.813** | 0.832** |
| 茎 | -0.105 | -0.252 | 0.261 |
| 叶 | 0.741* | 0.586 | 0.654 |
| 果实 | 0.189 | -0.117 | 0.648 |
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