中国农业科学 ›› 2021, Vol. 54 ›› Issue (7): 1382-1396.doi: 10.3864/j.issn.0578-1752.2021.07.006
蒋伟勤,胡群,俞航,马会珍,任高磊,马中涛,朱盈,魏海燕(),张洪程,刘国栋,胡雅杰,郭保卫
收稿日期:
2020-04-27
接受日期:
2020-08-31
出版日期:
2021-04-01
发布日期:
2021-04-22
通讯作者:
魏海燕
作者简介:
蒋伟勤,E-mail: 基金资助:
JIANG WeiQin,HU Qun,YU Hang,MA HuiZhen,REN GaoLei,MA ZhongTao,ZHU Ying,WEI HaiYan(),ZHANG HongCheng,LIU GuoDong,HU YaJie,GUO BaoWei
Received:
2020-04-27
Accepted:
2020-08-31
Online:
2021-04-01
Published:
2021-04-22
Contact:
HaiYan WEI
摘要: 【目的】 将控混肥(由2种不同释放期的控释肥组成)和常规氮肥在钵苗机插条件下掺混后一次性基施,以期筛选与优质食味迟熟中粳稻养分吸收相匹配的最优控混肥处理,为钵苗机插下优质食味迟熟中粳稻高产简化施肥提供科学依据。【方法】 于2018—2019年的水稻季(5—10月)开展试验,以优质食味多穗型迟熟中粳品种南粳9108和丰粳1606为材料,在270 kg·hm -2纯氮条件下,将控混肥和常规氮肥以5﹕5的固定比例组配,控混肥由2种释放期的控释肥以4﹕1组成,共设置6种组合方式,分别为60 d+ 40 d、60 d +80 d、80 d +60 d、80 d +100 d、100 d +80 d、100 d +120 d,并以常规分次施肥(CK)为对照,测定产量、群体质量指标及氮素吸收利用的特性。【结果】 相较CK,南粳9108 的100 d+80 d处理2年平均增产4.66%,丰粳1606的该处理平均增产4.29%,增产的原因是有效穗数和群体颖花量显著增加,而穗粒数和结实率无显著差异;除2019年的南粳9108外,100 d+120 d处理的产量均仅次于100 d+80 d处理。80 d+60 d、80 d+ 100 d处理2年产量均与CK无显著差异,而60 d+40 d、60 d+80 d处理则较之显著减产。播种至拔节阶段,控混肥处理的群体氮素积累量均较CK增加,平均增幅达14.86%,从而促进了群体茎蘖的发生,叶面积指数和净同化率的同步增加,光合生产能力提高,干物质积累增加。拔节至抽穗阶段,100 d+80 d和100 d+120 d处理的氮素积累、干物质积累与CK同处于最高水平,较最低的60 d+40 d处理分别增加47.02%—55.01%和14.52%—18.15%;和100 d+80 d、100 d+120 d处理相比,此阶段CK的净同化率虽相对提高,但抽穗期的叶面积指数却显著降低。抽穗至成熟阶段,100 d+120 d处理的氮素积累高于其他处理,其中较CK显著增加9.23%—22.03%,而干物质积累则以100 d+80 d和100 d+120 d处理同处于最高水平,较CK显著增加5.44%—8.58%,原因可能是100 d+80 d和100 d+120 d处理的养分释放能相对协调地提高光合叶面积和净同化率,致抽穗后的光合产物相对充足,而CK的净同化率虽较高,但其光合叶面积相对不足。对于氮素利用效率,100 d+80 d处理的氮肥偏生产力、氮肥农学利用率较CK分别增加3.90%—4.92%、9.42%—11.93%,100 d+80 d、100 d+120 d处理的氮肥表观利用率较CK分别增加5.29%—7.21%、5.79%—8.51%。【结论】100 d+80 d、100 d+120 d处理的养分释放与南粳9108和丰粳1606养分吸收最为匹配,促进了高产群体的形成,因此其可以作为钵苗机插下优质食味迟熟中粳稻高产简化施肥的氮肥运筹方式。
蒋伟勤,胡群,俞航,马会珍,任高磊,马中涛,朱盈,魏海燕,张洪程,刘国栋,胡雅杰,郭保卫. 优质食味粳稻控混肥一次性基施效应[J]. 中国农业科学, 2021, 54(7): 1382-1396.
JIANG WeiQin,HU Qun,YU Hang,MA HuiZhen,REN GaoLei,MA ZhongTao,ZHU Ying,WEI HaiYan,ZHANG HongCheng,LIU GuoDong,HU YaJie,GUO BaoWei. Effect of One-Time Basal Application of the Mixed Controlled-Release Nitrogen Fertilizer in Japonica Rice with Good Taste Quality[J]. Scientia Agricultura Sinica, 2021, 54(7): 1382-1396.
表1
水稻生长季气象资料"
月份 Month | 平均温度 Average temperature (℃) | 平均最高温度 Average maximum temperature (℃) | 平均最低温度 Average minimum temperature (℃) | 日照时数 Sunshine hours (h) | 降水量 Precipitation (mm) | |||||
---|---|---|---|---|---|---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | |
5月 May | 22.4 | 22.2 | 26.8 | 26.7 | 19.1 | 17.7 | 55.9 | 80.6 | 157.5 | 33.5 |
6月 June | 25.4 | 24.3 | 30.4 | 29.3 | 21.2 | 20.4 | 193.5 | 143.0 | 76.4 | 107.5 |
7月 July | 29.0 | 27.7 | 33.1 | 32.0 | 25.8 | 24.5 | 224.9 | 128.9 | 116.6 | 122.1 |
8月 August | 29.0 | 27.9 | 32.8 | 31.9 | 26.0 | 24.7 | 236.3 | 178.9 | 165.5 | 92.3 |
9月 September | 24.8 | 23.7 | 28.7 | 27.9 | 21.5 | 20.4 | 136.4 | 149.3 | 30.9 | 144.1 |
10月 October | 18.7 | 20.5 | 23.8 | 24.6 | 13.8 | 17.6 | 105.1 | 75.3 | 0.0 | 4.0 |
表2
各处理氮肥类型、用量(纯氮)与施用时间"
处理 Treatment | 基肥 Basal fertilizer | 分蘖肥 TF | 促花肥 SPF | 保花肥 SDF | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
控释肥类型 Types of CRU | 尿素 U | 复合肥 CF | 尿素 U | 尿素 U | 尿素 U | ||||||
40 d | 60 d | 80 d | 100 d | 120 d | |||||||
60 d+40 d | 27 | 108 | 67.5 | 67.5 | |||||||
60 d +80 d | 108 | 27 | 67.5 | 67.5 | |||||||
80 d +60 d | 27 | 108 | 67.5 | 67.5 | |||||||
80 d +100 d | 108 | 27 | 67.5 | 67.5 | |||||||
100 d +80 d | 27 | 108 | 67.5 | 67.5 | |||||||
100 d +120 d | 108 | 27 | 67.5 | 67.5 | |||||||
CK | 47.25 | 47.25 | 94.5 | 40.5 | 40.5 |
表3
不同控混肥配比方式下优质食味粳稻主要生育阶段的天数及全生育期"
品种 Cultivar | 处理 Treatment | 移栽至拔节 TS-JS | 拔节至抽穗 JS-HS | 抽穗至成熟 HS-MS | 全生育期 Full growth period (d) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | |||||
南粳9108 Nanjing9108 | CRU | 38 | 39 | 32 | 31 | 52 | 53 | 156 | 156 | |||
CK | 38 | 39 | 32 | 31 | 52 | 53 | 156 | 156 | ||||
丰粳1606 Fengjing1606 | CRU | 42 | 41 | 33 | 33 | 51 | 53 | 160 | 160 | |||
CK | 42 | 41 | 33 | 33 | 51 | 53 | 160 | 160 |
表4
不同控混肥配比方式下优质食味粳稻的产量及其构成因素的差异"
年份 Year | 品种 Cultivar | 处理 Treatment | 单位面积穗数 Panicle number (×104 hm-2) | 每穗粒数 Spikelet number per panicle | 结实率 Seed-setting rate (%) | 千粒重 1000-grain weight (g) | 群体颖花量 Total spikelet number (×106 hm-2) | 产量 Grain yield (t·hm-2) |
---|---|---|---|---|---|---|---|---|
2018 | 南粳9108 Nanjing9108 | 60 d+40 d | 368.88bc | 102.92d | 96.71a | 26.98a | 379.62c | 9.41d |
60 d+80 d | 369.42bc | 103.68d | 96.60a | 27.04a | 382.96c | 9.46d | ||
80 d+60 d | 372.30abc | 107.81c | 96.39a | 26.74a | 401.36b | 9.82c | ||
80 d+100 d | 372.75ab | 109.09bc | 96.32a | 26.65ab | 406.64b | 10.03bc | ||
100 d+80 d | 381.15a | 111.46ab | 96.81a | 27.06a | 424.85a | 10.37a | ||
100 d+120 d | 377.90ab | 110.48abc | 96.44a | 26.70a | 417.35a | 10.17ab | ||
CK | 361.35c | 112.71a | 96.89a | 26.11b | 407.30b | 9.89bc | ||
丰粳1606 Fengjing1606 | 60 d+40 d | 372.83bc | 93.77c | 95.73a | 28.23a | 349.60c | 8.98d | |
60 d+80 d | 372.32bc | 95.04bc | 95.51a | 28.02a | 353.84c | 9.03cd | ||
80 d+60 d | 373.13bc | 97.00b | 95.22a | 27.98a | 361.87bc | 9.25cd | ||
80 d+100 d | 378.27ab | 100.19a | 95.20a | 27.89a | 379.07ab | 9.58ab | ||
100 d+80 d | 385.83a | 100.02a | 95.62a | 27.88a | 385.89a | 9.71a | ||
100 d+120 d | 381.15ab | 100.10a | 95.39a | 27.34b | 381.52a | 9.62ab | ||
CK | 363.08c | 102.48a | 95.94a | 27.21b | 372.06ab | 9.34bc | ||
2019 | 南粳9108 Nanjing9108 | 60 d+40 d | 378.90b | 104.70c | 95.63a | 28.28ab | 396.71d | 10.35d |
60 d+80 d | 379.89b | 104.61c | 95.58a | 28.03b | 401.16cd | 10.40cd | ||
80 d+60 d | 379.93b | 108.49b | 95.28a | 28.29ab | 412.19bcd | 10.69bc | ||
80 d+100 d | 383.25ab | 111.34ab | 94.54a | 28.38ab | 422.92ab | 10.91b | ||
100 d+80 d | 391.91a | 111.68a | 95.14a | 28.18b | 438.36a | 11.23a | ||
100 d+120 d | 385.81ab | 112.47a | 94.68a | 27.93b | 433.84a | 11.25a | ||
CK | 367.49c | 112.80a | 95.44a | 28.68a | 414.53bc | 10.75b | ||
丰粳1606 Fengjing1606 | 60 d+40 d | 385.14b | 95.43d | 95.18a | 28.43b | 367.53c | 9.70d | |
60 d+80 d | 385.41b | 95.81d | 95.53a | 28.67ab | 369.26c | 9.78d | ||
80 d+60 d | 392.58ab | 98.32c | 94.48a | 28.76ab | 385.92b | 10.09c | ||
80 d+100 d | 393.30ab | 99.83bc | 94.45a | 28.68ab | 392.64ab | 10.30bc | ||
100 d+80 d | 402.72a | 100.75ab | 95.45a | 28.74ab | 405.59a | 10.67a | ||
100 d+120 d | 401.67a | 100.58ab | 95.10a | 28.54b | 403.94a | 10.57ab | ||
CK | 372.84c | 102.45a | 95.87a | 29.18a | 381.92bc | 10.20c |
表5
不同控混肥配比方式下优质食味粳稻茎蘖动态和成穗率的差异"
品种 Cultivar | 处理 Treatment | 分蘖盛期 Peak tiller stage (×104 hm-2) | 拔节期 Jointing (×104 hm-2) | 抽穗期 Heading (×104 hm-2) | 成穗率 Percentage of productive tiller (%) | ||||
---|---|---|---|---|---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | ||
南粳9108 Nanjing9108 | 60 d+40 d | 624.00a | 624.54a | 579.78a | 546.04a | 386.35cd | 392.81bc | 59.12d | 60.67d |
60 d+80 d | 620.88a | 622.50a | 578.82a | 545.62a | 385.18cd | 392.36bc | 59.50d | 61.03d | |
80 d+60 d | 605.70ab | 614.79ab | 572.28a | 546.58a | 394.32bc | 398.03abc | 60.89cd | 61.80cd | |
80 d+100 d | 606.24ab | 606.78b | 576.60a | 547.51a | 397.18ab | 407.36ab | 61.49cd | 63.17bc | |
100 d+80 d | 598.26b | 606.72b | 571.08a | 543.43a | 403.59ab | 412.24a | 64.51b | 64.60b | |
100 d+120 d | 595.86b | 605.34b | 573.72a | 546.86a | 405.80a | 414.39a | 62.94b | 63.73b | |
CK | 524.54c | 524.91c | 489.60b | 492.67b | 379.20d | 386.17c | 68.89a | 70.01a | |
丰粳1606 Fengjing1606 | 60 d+40 d | 571.94ab | 606.45a | 525.27a | 522.28a | 375.87c | 397.20cd | 63.62c | 63.51d |
60 d+80 d | 574.65a | 601.62ab | 524.13a | 516.87a | 379.89c | 402.55bc | 63.77c | 64.06cd | |
80 d+60 d | 567.45abc | 594.50abc | 517.95a | 520.02a | 386.03bc | 406.11abc | 64.72c | 66.05cd | |
80 d+100 d | 561.03abc | 591.18bc | 519.54a | 516.34a | 400.76ab | 414.50ab | 66.65bc | 66.54bc | |
100 d+80 d | 557.40bc | 585.00c | 515.82a | 520.79a | 405.40a | 416.62a | 68.29b | 68.84b | |
100 d+120 d | 552.15c | 584.45c | 517.56a | 522.50a | 403.09a | 417.28a | 68.38b | 68.73b | |
CK | 497.45d | 511.20d | 473.76b | 487.00b | 379.55c | 387.59d | 72.38a | 72.94a |
表6
不同控混肥配比方式下优质食味粳稻叶面积指数的差异"
品种 Cultivar | 处理 Treatment | 拔节期 Jointing | 抽穗期 Heading | 成熟期 Maturity | 叶面积衰减率 Decreasing rate of leaf area (LAI·d-1) | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | ||||||||||||
南粳9108 Nanjing9108 | 60 d+40 d | 5.37a | 5.15a | 6.96c | 7.54c | 2.93d | 3.19d | 0.0823a | 0.0870a | ||||||||||
60 d+80 d | 5.33a | 5.13a | 7.05c | 7.58bc | 3.03d | 3.21d | 0.0821a | 0.0875a | |||||||||||
80 d+60 d | 5.10b | 4.99ab | 7.28b | 7.73b | 3.26bc | 3.44bc | 0.0820a | 0.0857a | |||||||||||
80 d+100 d | 5.08b | 4.89b | 7.44ab | 7.97a | 3.41ab | 3.62ab | 0.0823a | 0.0871a | |||||||||||
100 d+80 d | 4.97b | 4.71c | 7.61a | 8.12a | 3.61a | 3.78a | 0.0816a | 0.0868a | |||||||||||
100 d+120 d | 4.96b | 4.66cd | 7.51a | 8.10a | 3.51a | 3.79a | 0.0816a | 0.0860a | |||||||||||
CK | 4.72c | 4.52d | 7.27b | 7.63bc | 3.07cd | 3.27cd | 0.0856a | 0.0871a | |||||||||||
丰粳1606 Fengjing1606 | 60 d+40 d | 5.13a | 5.23a | 6.93c | 7.30d | 3.22c | 3.42d | 0.0757a | 0.0761a | ||||||||||
60 d+80 d | 5.12a | 5.22a | 6.99c | 7.36cd | 3.26bc | 3.47d | 0.0762a | 0.0763a | |||||||||||
80 d+60 d | 5.02ab | 5.07ab | 7.13bc | 7.55bc | 3.41b | 3.72bc | 0.0760a | 0.0751a | |||||||||||
80 d+100 d | 4.94ab | 4.99b | 7.33ab | 7.72ab | 3.62a | 3.84b | 0.0758a | 0.0762a | |||||||||||
100 d+80 d | 4.83b | 4.92b | 7.49a | 7.89a | 3.78a | 4.01a | 0.0757a | 0.0760a | |||||||||||
100 d+120 d | 4.82b | 4.91b | 7.45a | 7.86a | 3.79a | 4.03a | 0.0746a | 0.0750a | |||||||||||
CK | 4.56c | 4.60c | 7.12bc | 7.60b | 3.31bc | 3.64c | 0.0777a | 0.0776a |
表7
不同控混肥配比方式下优质食味粳稻各生育阶段净同化率的差异"
品种 Cultivar | 处理 Treatment | 播种至拔节 SS-JS | 拔节至抽穗 JS-HS | 抽穗至成熟 HS-MS | |||
---|---|---|---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | 2018 | 2019 | ||
南粳9108 Nanjing9108 | 60 d+40 d | 2.202a | 2.093a | 3.367d | 3.665e | 2.574c | 2.742c |
60 d+80 d | 2.192a | 2.079a | 3.400d | 3.694e | 2.593bc | 2.744c | |
80 d+60 d | 2.164a | 2.052ab | 3.633c | 3.952d | 2.609bc | 2.768bc | |
80 d+100 d | 2.093b | 2.008bc | 3.803bc | 4.097c | 2.616b | 2.770bc | |
100 d+80 d | 2.041c | 1.981c | 3.938ab | 4.312b | 2.618b | 2.799b | |
100 d+120 d | 2.028c | 1.983c | 3.929ab | 4.325b | 2.604bc | 2.819ab | |
CK | 2.029c | 1.879d | 4.010a | 4.471a | 2.731a | 2.864a | |
丰粳1606 Fengjing1606 | 60 d+40 d | 1.991a | 2.069a | 3.244d | 3.320c | 2.482c | 2.557c |
60 d+80 d | 1.998a | 2.058a | 3.283d | 3.355c | 2.503bc | 2.571bc | |
80 d+60 d | 1.978a | 2.038a | 3.432c | 3.571b | 2.527bc | 2.571bc | |
80 d+100 d | 1.886b | 2.019ab | 3.666b | 3.684b | 2.529bc | 2.595abc | |
100 d+80 d | 1.834bc | 1.944bc | 3.766b | 3.870a | 2.541b | 2.613ab | |
100 d+120 d | 1.817bc | 1.906cd | 3.691b | 3.860a | 2.553b | 2.631a | |
CK | 1.757c | 1.825d | 3.971a | 4.004a | 2.612a | 2.639a |
表8
不同控混肥配比方式下优质食味粳稻各生育阶段干物质积累及比例的差异"
品种 Cultivar | 处理 Treatment | 播种至拔节 SS-JS | 拔节至抽穗 JS-HS | 抽穗至成熟 HS-MS | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | 2018 | 2019 | |||||||||||||||||
积累量 Amount (t·hm-2) | 比例 Ratio (%) | 积累量 Amount (t·hm-2) | 比例 Ratio (%) | 积累量 Amount (t·hm-2) | 比例 Ratio (%) | 积累量 Amount (t·hm-2) | 比例 Ratio (%) | 积累量 Amount (t·hm-2) | 比例 Ratio (%) | 积累量 Amount (t·hm-2) | 比例 Ratio (%) | |||||||||||
南粳9108 Nanjing9108 | 60 d+40 d | 5.00a | 28.00a | 4.74a | 24.65a | 6.61c | 37.04b | 7.12d | 37.09d | 6.24d | 34.96c | 7.35d | 38.26d | |||||||||
60 d+80 d | 4.96a | 27.44a | 4.70ab | 24.36a | 6.69c | 37.04b | 7.19d | 37.28d | 6.41d | 35.52bc | 7.40d | 38.35d | ||||||||||
80 d+60 d | 4.81b | 25.71b | 4.59bc | 22.90b | 7.12b | 38.04b | 7.67c | 38.29c | 6.79c | 36.25abc | 7.77c | 38.81cd | ||||||||||
80 d+100 d | 4.64c | 24.19c | 4.44cd | 21.68c | 7.53a | 39.21a | 8.01b | 38.96bc | 7.03bc | 36.60ab | 8.09b | 39.36bc | ||||||||||
100 d+80 d | 4.49d | 22.92d | 4.34d | 20.52d | 7.81a | 39.84a | 8.37a | 39.62b | 7.30a | 37.25a | 8.42a | 39.86ab | ||||||||||
100 d+120 d | 4.46d | 23.10d | 4.32d | 20.44d | 7.73a | 40.02a | 8.34a | 39.45b | 7.12ab | 36.88ab | 8.48a | 40.11a | ||||||||||
CK | 4.38d | 23.21d | 4.05e | 20.17d | 7.57a | 40.12a | 8.23a | 40.95a | 6.92bc | 36.66ab | 7.81c | 38.88cd | ||||||||||
丰粳1606 Fengjing1606 | 60 d+40 d | 4.71a | 27.15a | 4.84a | 26.06a | 6.40c | 36.88d | 6.80d | 36.60d | 6.24d | 35.96c | 6.93d | 37.33d | |||||||||
60 d+80 d | 4.73a | 26.86a | 4.81a | 25.65a | 6.51c | 36.97d | 6.90d | 36.77d | 6.37d | 36.16c | 7.05d | 37.58cd | ||||||||||
80 d+60 d | 4.65a | 25.70b | 4.71a | 24.19b | 6.81b | 37.67cd | 7.34c | 37.69c | 6.62c | 36.64bc | 7.38c | 38.12bcd | ||||||||||
80 d+100 d | 4.40b | 23.61c | 4.64ab | 23.32b | 7.33a | 39.30bc | 7.61b | 38.24c | 6.91b | 37.08bc | 7.64b | 38.44abc | ||||||||||
100 d+80 d | 4.25bc | 22.41d | 4.44bc | 21.77c | 7.53a | 39.76ab | 8.03a | 39.33b | 7.16a | 37.83ab | 7.94a | 38.90ab | ||||||||||
100 d+120 d | 4.20c | 22.42d | 4.35c | 21.40c | 7.35a | 39.23bc | 7.98a | 39.26b | 7.19a | 38.35a | 8.00a | 39.34a | ||||||||||
CK | 3.99d | 21.81d | 4.07d | 20.89c | 7.53a | 41.20a | 7.89a | 40.50a | 6.76bc | 36.99bc | 7.53bc | 38.62ab |
表9
不同控混肥配比方式下优质食味粳稻各生育阶段氮素积累及比例的差异"
年份 Year | 品种 Cultivar | 处理 Treatment | 播种至拔节 SS-JS | 拔节至抽穗 JS-HS | 抽穗至成熟 HS-MS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
积累量 Amount (kg·hm-2) | 比例 Ratio (%) | 积累量 Amount (kg·hm-2) | 比例 Ratio (%) | 积累量 Amount (kg·hm-2) | 比例 Ratio (%) | ||||||||||||
2018 | 南粳9108 Nanjing9108 | 60 d+40 d | 107.84a | 58.65a | 56.94d | 30.97d | 19.08d | 10.38e | |||||||||
60 d+80 d | 106.69a | 57.36a | 59.51d | 31.98d | 19.85d | 10.67de | |||||||||||
80 d+60 d | 101.92b | 52.12b | 70.57c | 36.09c | 23.07c | 11.80cde | |||||||||||
80 d+100 d | 98.86c | 48.40c | 78.50b | 38.43b | 26.88ab | 13.16abc | |||||||||||
100 d+80 d | 93.48d | 45.24d | 85.04a | 41.14a | 28.15a | 13.62ab | |||||||||||
100 d+120 d | 92.99d | 45.03d | 84.36a | 40.85a | 29.14a | 14.11a | |||||||||||
CK | 89.59e | 44.99d | 85.17a | 42.77a | 24.37bc | 12.24bcd | |||||||||||
丰粳1606 Fengjing1606 | 60 d+40 d | 106.57a | 57.64a | 57.16c | 30.91d | 21.17d | 11.45d | ||||||||||
60 d+80 d | 106.70a | 56.90a | 58.84c | 31.39d | 21.95d | 11.71d | |||||||||||
80 d+60 d | 103.01b | 52.03b | 69.11b | 34.91c | 25.86c | 13.06c | |||||||||||
80 d+100 d | 97.10c | 47.07c | 81.17a | 39.33b | 28.07bc | 13.60bc | |||||||||||
100 d+80 d | 92.06d | 44.34d | 86.08a | 41.45ab | 29.50b | 14.21bc | |||||||||||
100 d+120 d | 90.30de | 43.37d | 85.60a | 41.11ab | 32.32a | 15.52a | |||||||||||
CK | 87.07e | 43.18d | 85.03a | 42.16a | 29.59b | 14.67ab | |||||||||||
2019 | 南粳9108 Nanjing9108 | 60 d+40 d | 106.52a | 56.97a | 58.73d | 31.40d | 21.74d | 11.62b | |||||||||
60 d+80 d | 104.99a | 55.68a | 60.63d | 32.14d | 22.98cd | 12.18b | |||||||||||
80 d+60 d | 101.27b | 50.60b | 73.30c | 36.62c | 25.59bcd | 12.78b | |||||||||||
80 d+100 d | 97.63c | 47.08c | 83.18b | 40.12b | 26.53bc | 12.80b | |||||||||||
100 d+80 d | 93.97d | 44.72d | 88.87a | 42.29b | 27.29b | 12.99b | |||||||||||
100 d+120 d | 91.35d | 42.88de | 90.22a | 42.35b | 31.48a | 14.77a | |||||||||||
CK | 86.06e | 42.30e | 91.04a | 44.75a | 26.36bc | 12.95b | |||||||||||
丰粳1606 Fengjing1606 | 60 d+40 d | 107.76a | 56.08a | 59.34d | 30.88e | 25.07d | 13.05c | ||||||||||
60 d+80 d | 106.39a | 54.62a | 61.91d | 31.78e | 26.50cd | 13.60bc | |||||||||||
80 d+60 d | 103.30ab | 50.55b | 73.52c | 35.96d | 27.61bcd | 13.78bc | |||||||||||
80 d+100 d | 99.98b | 47.26c | 82.41b | 38.94c | 29.22bc | 13.80bc | |||||||||||
100 d+80 d | 94.66c | 44.36d | 88.29a | 41.38b | 30.41b | 14.25bc | |||||||||||
100 d+120 d | 92.57c | 43.09d | 87.24a | 40.61b | 35.01a | 16.30a | |||||||||||
CK | 86.71d | 42.64d | 87.95a | 43.25a | 30.64b | 14.92ab |
表10
不同控混肥方式下优质食味粳稻氮素利用的差异"
品种 Cultivar | 处理 Treatment | 氮肥偏生产力 NPFP (kg·kg-1) | 氮素干物质生产效率NUEB (kg·kg-1) | 氮素籽粒生产效率NUEG (kg·kg-1) | 氮肥农学利用率 NAE (kg·kg-1) | 氮肥表观利用率 ANE (%) | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | 2018 | 2019 | ||
南粳9108 Nanjing9108 | 60 d+40 d | 34.87d | 38.34d | 100.77a | 102.34a | 51.21a | 55.36a | 13.26d | 15.74d | 35.83d | 35.80e |
60 d+80 d | 35.04d | 38.54cd | 100.72a | 101.87a | 50.85ab | 55.17a | 13.43d | 15.94cd | 36.64d | 36.40e | |
80 d+60 d | 36.36c | 39.60bc | 99.50ab | 99.69bc | 50.20abc | 53.42b | 14.75c | 17.00bc | 40.16c | 40.68d | |
80 d+100 d | 37.15bc | 40.39b | 97.62b | 98.74cd | 49.11c | 52.60b | 15.54bc | 17.79b | 43.38a | 43.34bc | |
100 d+80 d | 38.42a | 41.61a | 98.83ab | 100.17b | 50.19abc | 53.46b | 16.80a | 19.01a | 44.28a | 44.37ab | |
100 d+120 d | 37.68ab | 41.66a | 97.53b | 98.87bcd | 49.27c | 52.80b | 16.07ab | 19.06a | 44.21a | 45.45a | |
CK | 36.62bc | 39.83b | 99.38ab | 98.08d | 49.66bc | 52.86b | 15.01bc | 17.23b | 41.48b | 41.90cd | |
丰粳1606 Fengjing1606 | 60 d+40 d | 33.26d | 35.94d | 96.01a | 96.72a | 48.57a | 50.49a | 12.99d | 14.40d | 35.57c | 36.48c |
60 d+80 d | 33.45d | 36.21d | 95.97a | 95.96a | 48.17ab | 50.19a | 13.18d | 14.68d | 36.54c | 37.45c | |
80 d+60 d | 34.27cd | 37.38c | 93.29b | 95.02a | 46.74bc | 49.38a | 14.00cd | 15.84c | 40.42b | 41.02b | |
80 d+100 d | 35.49ab | 38.14bc | 92.26b | 94.12a | 46.45c | 48.67a | 15.22ab | 16.61bc | 43.52a | 43.68a | |
100 d+80 d | 35.95a | 39.50a | 93.09b | 96.22a | 46.75bc | 49.99a | 15.68a | 17.97a | 44.00a | 44.32a | |
100 d+120 d | 35.62ab | 39.14ab | 91.88b | 95.26a | 46.19c | 49.20a | 15.35ab | 17.61ab | 44.21a | 44.86a | |
CK | 34.60bc | 37.76c | 92.30b | 95.27a | 46.32c | 49.66a | 14.33bc | 16.23c | 41.79b | 41.34b |
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