
Journal of Zhejiang Agricultural Sciences ›› 2026, Vol. 67 ›› Issue (4): 852-858.DOI: 10.16178/j.issn.0528-9017.20240941
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LI Tingting1(
), SHEN Yanhui1, YUE Yongxiang1, NI Weiqian1, SHI Yulong2, GUO Wusong1, JIA Ruifeng1, XIAO Chenxing1, GAO Luyang1, CHEN Hongkun1(
)
Received:2024-12-10
Online:2026-04-11
Published:2026-04-17
Contact:
CHEN Hongkun
CLC Number:
LI Tingting, SHEN Yanhui, YUE Yongxiang, NI Weiqian, SHI Yulong, GUO Wusong, JIA Ruifeng, XIAO Chenxing, GAO Luyang, CHEN Hongkun. Effects of blend ratio of controlled⁃release urea and normal urea on agronomic traits and yield of summer maize[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(4): 852-858.
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URL: http://www.zjnykx.cn/EN/10.16178/j.issn.0528-9017.20240941
| 处理 | 株高/cm | 茎粗/mm | 穗位高/cm | 茎粗系数/% |
|---|---|---|---|---|
| CK | 243.44±1.17 b | 23.70±0.75 b | 94.90±2.95 a | 0.094±0.004 b |
| CRU30 | 253.20±3.33 ab | 25.14±0.91 ab | 99.64±3.41 a | 0.098±0.004 ab |
| CRU50 | 257.68±3.28 a | 25.20±1.16 ab | 102.36±4.53 a | 0.103±0.004 ab |
| CRU70 | 248.90±4.12 ab | 28.28±0.80 a | 97.66±3.23 a | 0.114±0.003 a |
| CRU100 | 244.48±1.69 b | 26.48±1.46 ab | 89.84±2.99 a | 0.108±0.007 ab |
Table 1 Maize agronomic traits under different fertilization treatments
| 处理 | 株高/cm | 茎粗/mm | 穗位高/cm | 茎粗系数/% |
|---|---|---|---|---|
| CK | 243.44±1.17 b | 23.70±0.75 b | 94.90±2.95 a | 0.094±0.004 b |
| CRU30 | 253.20±3.33 ab | 25.14±0.91 ab | 99.64±3.41 a | 0.098±0.004 ab |
| CRU50 | 257.68±3.28 a | 25.20±1.16 ab | 102.36±4.53 a | 0.103±0.004 ab |
| CRU70 | 248.90±4.12 ab | 28.28±0.80 a | 97.66±3.23 a | 0.114±0.003 a |
| CRU100 | 244.48±1.69 b | 26.48±1.46 ab | 89.84±2.99 a | 0.108±0.007 ab |
| 处理 | 穗粗/mm | 穗长/cm | 凸尖长/cm | 有效穗长/cm | 行粒数 | 穗行数 | 穗粒数 | 百粒重/g | 产量/(kg·hm-2) |
|---|---|---|---|---|---|---|---|---|---|
| CK | 47.68±0.48 a | 23.08±0.42 ab | 1.50±0.40 a | 21.58±0.63 a | 37.60±0.98 b | 14.80±0.49 a | 555.20±14.16 c | 28.54±0.25 c | 8 556.46±148.17 b |
| CRU30 | 46.40±0.31 a | 22.32±0.35 b | 0.84±0.27 a | 21.48±0.44 a | 39.80±0.97 ab | 14.80±0.49 a | 587.20±6.34 abc | 29.50±0.13 bc | 8 832.45±173.29 b |
| CRU50 | 45.70±0.44 a | 23.58±0.39 ab | 1.02±0.41 a | 22.56±0.65 a | 41.20±0.49 a | 14.40±0.40 a | 592.80±12.99 ab | 31.84±0.38 a | 9 262.67±208.78 ab |
| CRU70 | 46.70±0.44 a | 24.16±0.43 a | 0.68±0.21 a | 23.48±0.47 a | 41.40±0.87 a | 15.20±0.37 a | 628.80±16.74 a | 32.25±0.74 a | 10 017.92±248.92 a |
| CRU100 | 46.74±0.95 a | 24.32±0.28 a | 1.22±0.30 a | 23.10±0.47 a | 37.60±0.75 b | 14.40±0.40 a | 540.40±7.14 bc | 31.06±0.33 ab | 9 157.95±81.72 b |
Table 2 Maize yield and its components under different fertilization treatments
| 处理 | 穗粗/mm | 穗长/cm | 凸尖长/cm | 有效穗长/cm | 行粒数 | 穗行数 | 穗粒数 | 百粒重/g | 产量/(kg·hm-2) |
|---|---|---|---|---|---|---|---|---|---|
| CK | 47.68±0.48 a | 23.08±0.42 ab | 1.50±0.40 a | 21.58±0.63 a | 37.60±0.98 b | 14.80±0.49 a | 555.20±14.16 c | 28.54±0.25 c | 8 556.46±148.17 b |
| CRU30 | 46.40±0.31 a | 22.32±0.35 b | 0.84±0.27 a | 21.48±0.44 a | 39.80±0.97 ab | 14.80±0.49 a | 587.20±6.34 abc | 29.50±0.13 bc | 8 832.45±173.29 b |
| CRU50 | 45.70±0.44 a | 23.58±0.39 ab | 1.02±0.41 a | 22.56±0.65 a | 41.20±0.49 a | 14.40±0.40 a | 592.80±12.99 ab | 31.84±0.38 a | 9 262.67±208.78 ab |
| CRU70 | 46.70±0.44 a | 24.16±0.43 a | 0.68±0.21 a | 23.48±0.47 a | 41.40±0.87 a | 15.20±0.37 a | 628.80±16.74 a | 32.25±0.74 a | 10 017.92±248.92 a |
| CRU100 | 46.74±0.95 a | 24.32±0.28 a | 1.22±0.30 a | 23.10±0.47 a | 37.60±0.75 b | 14.40±0.40 a | 540.40±7.14 bc | 31.06±0.33 ab | 9 157.95±81.72 b |
| 变量 | 株高 | 茎粗 | 穗高 | 穗粗 | 穗长 | 凸尖长 | 有效穗长 | 行粒数 | 穗行数 | 穗粒数 | 百粒重 | 土壤碱解氮含量 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 茎粗 | -0.18 | |||||||||||
| 穗高 | 0.68** | -0.10 | ||||||||||
| 穗粗 | -0.15 | 0.03 | -0.01 | |||||||||
| 穗长 | 0.12 | 0.40* | -0.02 | 0.07 | ||||||||
| 凸尖长 | -0.15 | -0.27 | -0.12 | 0.18 | -0.11 | |||||||
| 有效穗长 | 0.18 | 0.46* | 0.05 | -0.05 | 0.85** | -0.62** | ||||||
| 行粒数 | 0.50* | 0.25 | 0.45* | -0.22 | 0.18 | -0.58** | 0.45* | |||||
| 穗行数 | -0.08 | 0.11 | -0.04 | 0.34 | -0.14 | 0.29 | -0.27 | -0.40* | ||||
| 穗粒数 | 0.36 | 0.35 | 0.38 | 0.10 | 0.04 | -0.27 | 0.17 | 0.54** | 0.55** | |||
| 百粒重 | -0.34 | 0.64** | -0.10 | 0.26 | 0.47* | -0.10 | 0.42* | -0.05 | 0.18 | 0.14 | ||
| 土壤碱解氮含量 | 0.09 | 0.46* | 0.05 | 0.24 | 0.07 | -0.20 | 0.16 | 0.16 | 0.46* | 0.57** | 0.37 | |
| 产量 | 0.21 | 0.63** | 0.23 | 0.09 | 0.39 | -0.32 | 0.47* | 0.41** | 0.45* | 0.80** | 0.49* | 0.74** |
Table 3 Correlations among maize agronomic traits,soil alkaline hydrolyzable nitrogen,and yield
| 变量 | 株高 | 茎粗 | 穗高 | 穗粗 | 穗长 | 凸尖长 | 有效穗长 | 行粒数 | 穗行数 | 穗粒数 | 百粒重 | 土壤碱解氮含量 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 茎粗 | -0.18 | |||||||||||
| 穗高 | 0.68** | -0.10 | ||||||||||
| 穗粗 | -0.15 | 0.03 | -0.01 | |||||||||
| 穗长 | 0.12 | 0.40* | -0.02 | 0.07 | ||||||||
| 凸尖长 | -0.15 | -0.27 | -0.12 | 0.18 | -0.11 | |||||||
| 有效穗长 | 0.18 | 0.46* | 0.05 | -0.05 | 0.85** | -0.62** | ||||||
| 行粒数 | 0.50* | 0.25 | 0.45* | -0.22 | 0.18 | -0.58** | 0.45* | |||||
| 穗行数 | -0.08 | 0.11 | -0.04 | 0.34 | -0.14 | 0.29 | -0.27 | -0.40* | ||||
| 穗粒数 | 0.36 | 0.35 | 0.38 | 0.10 | 0.04 | -0.27 | 0.17 | 0.54** | 0.55** | |||
| 百粒重 | -0.34 | 0.64** | -0.10 | 0.26 | 0.47* | -0.10 | 0.42* | -0.05 | 0.18 | 0.14 | ||
| 土壤碱解氮含量 | 0.09 | 0.46* | 0.05 | 0.24 | 0.07 | -0.20 | 0.16 | 0.16 | 0.46* | 0.57** | 0.37 | |
| 产量 | 0.21 | 0.63** | 0.23 | 0.09 | 0.39 | -0.32 | 0.47* | 0.41** | 0.45* | 0.80** | 0.49* | 0.74** |
| 处理 | 产出/(元·hm-2) | 氮肥成本/(元·hm-2) | 其他成本/(元·hm-2) | 纯收益/(元·hm-2) | 产投比 |
|---|---|---|---|---|---|
| CK | 20 364.38±352.66 b | 680.87 | 4 057.50 | 15 626.01±352.66 b | 4.30±0.07 b |
| CRU30 | 21 021.24±412.43 b | 792.24 | 4 057.50 | 16 171.50±412.43 b | 4.33±0.09 b |
| CRU50 | 22 045.17±496.89 ab | 866.48 | 4 057.50 | 17 121.18±496.89 ab | 4.48±0.10 ab |
| CRU70 | 23 842.66±592.43 a | 940.73 | 4 057.50 | 18 844.43±592.43 a | 4.77±0.12 a |
| CRU100 | 21 795.91±194.49 b | 1 052.09 | 4 057.50 | 16 686.32±194.49 b | 4.27±0.04 b |
Table 4 Economic benefits of maize under different fertilization treatments
| 处理 | 产出/(元·hm-2) | 氮肥成本/(元·hm-2) | 其他成本/(元·hm-2) | 纯收益/(元·hm-2) | 产投比 |
|---|---|---|---|---|---|
| CK | 20 364.38±352.66 b | 680.87 | 4 057.50 | 15 626.01±352.66 b | 4.30±0.07 b |
| CRU30 | 21 021.24±412.43 b | 792.24 | 4 057.50 | 16 171.50±412.43 b | 4.33±0.09 b |
| CRU50 | 22 045.17±496.89 ab | 866.48 | 4 057.50 | 17 121.18±496.89 ab | 4.48±0.10 ab |
| CRU70 | 23 842.66±592.43 a | 940.73 | 4 057.50 | 18 844.43±592.43 a | 4.77±0.12 a |
| CRU100 | 21 795.91±194.49 b | 1 052.09 | 4 057.50 | 16 686.32±194.49 b | 4.27±0.04 b |
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