Journal of Agriculture ›› 2025, Vol. 15 ›› Issue (9): 44-49.doi: 10.11923/j.issn.2095-4050.cjas2024-0117
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QIU Kaili(), MENG Aoxue, YANG Qirui, GENG Sainan, WANG Yilun(
)
Received:
2024-06-11
Revised:
2024-09-24
Online:
2025-09-20
Published:
2025-09-17
QIU Kaili, MENG Aoxue, YANG Qirui, GENG Sainan, WANG Yilun. Effects of Novel Urea on Yield and Nitrogen Fertilizer Efficiency of High-yield Summer Maize[J]. Journal of Agriculture, 2025, 15(9): 44-49.
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URL: http://nxxb.caass.org.cn/EN/10.11923/j.issn.2095-4050.cjas2024-0117
处理 | 施肥 | N | P2O5 | K2O |
---|---|---|---|---|
T1 | 不施氮 | 0 | 75 | 90 |
T2 | 当地农民习惯施肥 | 216 | 112.5 | 112.5 |
T3 | 常规优化施肥 | 210 | 75 | 90 |
T4 | 控释尿素与腐植酸尿素1:1 | 210 | 75 | 90 |
T5 | 控释尿素与腐植酸尿素1:1(各减氮10%) | 168 | 75 | 90 |
T6 | 控释尿素 | 210 | 75 | 90 |
T7 | 控释尿素减氮20% | 168 | 75 | 90 |
处理 | 施肥 | N | P2O5 | K2O |
---|---|---|---|---|
T1 | 不施氮 | 0 | 75 | 90 |
T2 | 当地农民习惯施肥 | 216 | 112.5 | 112.5 |
T3 | 常规优化施肥 | 210 | 75 | 90 |
T4 | 控释尿素与腐植酸尿素1:1 | 210 | 75 | 90 |
T5 | 控释尿素与腐植酸尿素1:1(各减氮10%) | 168 | 75 | 90 |
T6 | 控释尿素 | 210 | 75 | 90 |
T7 | 控释尿素减氮20% | 168 | 75 | 90 |
处理 | 产量/(kg/hm2) | 穗粒数/个 | 百粒重/g | 穗粒重/g |
---|---|---|---|---|
T1 | 10611.64b | 587.88bc | 29.60bcd | 179.53b |
T2 | 10846.28b | 570.06c | 28.95d | 183.50b |
T3 | 12316.00a | 649.44a | 29.04cd | 208.37a |
T4 | 12438.61a | 644.38a | 30.90a | 210.44a |
T5 | 12525.94a | 642.70a | 30.09ab | 214.45a |
T6 | 12085.28a | 629.46ab | 30.01abc | 202.77a |
T7 | 12085.75a | 614.98abc | 29.95abc | 204.47a |
处理 | 产量/(kg/hm2) | 穗粒数/个 | 百粒重/g | 穗粒重/g |
---|---|---|---|---|
T1 | 10611.64b | 587.88bc | 29.60bcd | 179.53b |
T2 | 10846.28b | 570.06c | 28.95d | 183.50b |
T3 | 12316.00a | 649.44a | 29.04cd | 208.37a |
T4 | 12438.61a | 644.38a | 30.90a | 210.44a |
T5 | 12525.94a | 642.70a | 30.09ab | 214.45a |
T6 | 12085.28a | 629.46ab | 30.01abc | 202.77a |
T7 | 12085.75a | 614.98abc | 29.95abc | 204.47a |
处理 | 苗期 | 拔节期 | 吐丝期 | 灌浆中期 | 成熟期 |
---|---|---|---|---|---|
T1 | 6.70c | 25.21c | 121.74d | 159.90c | 237.20e |
T2 | 6.52c | 29.50bc | 128.79c | 169.04c | 271.02d |
T3 | 10.60a | 33.49b | 144.70b | 231.22b | 320.82b |
T4 | 8.29b | 33.71b | 146.31b | 214.57b | 341.07a |
T5 | 7.46bc | 36.12b | 162.49a | 237.18ab | 338.37a |
T6 | 7.07bc | 44.55a | 157.53a | 257.22a | 310.33c |
T7 | 6.93bc | 27.90bc | 157.46a | 226.90b | 340.03a |
处理 | 苗期 | 拔节期 | 吐丝期 | 灌浆中期 | 成熟期 |
---|---|---|---|---|---|
T1 | 6.70c | 25.21c | 121.74d | 159.90c | 237.20e |
T2 | 6.52c | 29.50bc | 128.79c | 169.04c | 271.02d |
T3 | 10.60a | 33.49b | 144.70b | 231.22b | 320.82b |
T4 | 8.29b | 33.71b | 146.31b | 214.57b | 341.07a |
T5 | 7.46bc | 36.12b | 162.49a | 237.18ab | 338.37a |
T6 | 7.07bc | 44.55a | 157.53a | 257.22a | 310.33c |
T7 | 6.93bc | 27.90bc | 157.46a | 226.90b | 340.03a |
处理 | 氮肥利用率/% | 氮肥农学效率/(kg/kg) | 氮肥偏生产力/(kg/kg) |
---|---|---|---|
T3 | 39.82bc | 8.12b | 58.65b |
T4 | 49.46b | 8.70b | 59.23b |
T5 | 60.22a | 11.39a | 74.56a |
T6 | 34.82c | 7.02b | 57.55b |
T7 | 61.21a | 8.77b | 71.94a |
处理 | 氮肥利用率/% | 氮肥农学效率/(kg/kg) | 氮肥偏生产力/(kg/kg) |
---|---|---|---|
T3 | 39.82bc | 8.12b | 58.65b |
T4 | 49.46b | 8.70b | 59.23b |
T5 | 60.22a | 11.39a | 74.56a |
T6 | 34.82c | 7.02b | 57.55b |
T7 | 61.21a | 8.77b | 71.94a |
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