基于土壤有机质含量推荐的旱地冬小麦施氮量研究
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蒋龙刚,黄明,宋庆赟,苑爱静,李嘉华,邱炜红,王朝辉
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Research on Nitrogen Fertilizer Application Recommended Method Based on Soil Organic Matter in Dryland Wheat Production
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JIANG LongGang,HUANG Ming,SONG QingYun,YUAN AiJing,LI JiaHua,QIU WeiHong,WANG ZhaoHui
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表5 各试验点2014—2017年冬小麦产量构成要素
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Table 5 Yield components of winter wheat at different experimental sites during 2014-2017
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生长季 Growing season | 试验地点Experimental site | 穗数 Spike number (×104·hm-2) | 穗粒数 Grain number per spike | 千粒重 1000-kernel weight (g) | 农户习惯施肥FP | 推荐施肥OFP | 农户习惯施肥FP | 推荐施肥OFP | 农户习惯施肥FP | 推荐施肥OFP | 2014—2015 | 彬县BX | 686a | 759a | 31a | 29a | 31.9a | 32.9a | 凤翔FX | 475a | 499a | 38a | 37a | 38.6a | 39.4a | 合阳HY | 636a | 618a | 25a | 28a | 32.4b | 35.6a | 蒲城PC | 519a | 503a | 30a | 32a | 36.0a | 38.4a | 耀州YZ | 573a | 584a | 26a | 25a | 38.0b | 40.1a | 永寿YS | 560a | 594a | 42a | 43a | 27.5a | 27.7a | 平均Mean | 575a | 593a | 32a | 33a | 34.1b | 35.7a | 2015—2016 | 彬县BX | 734b | 910a | 20 a | 30a | 41.9a | 40.1a | 凤翔FX | 431a | 465a | 34a | 29b | 43.5b | 51.7a | 合阳HY | 378a | 430a | 23a | 23a | 36.9a | 37.8a | 蒲城PC | 245a | 295a | 24a | 22a | 33.4a | 33.3a | 耀州YZ | 380a | 383a | 33a | 34a | 46.3a | 46.6a | 永寿YS | 301a | 332a | 36a | 38a | 42.0a | 40.7a | 平均Mean | 411b | 469a | 28a | 29a | 40.7a | 41.7a | 2016—2017 | 彬县BX | 701a | 676a | 21a | 24a | 43.0a | 43.2a | 凤翔FX | 516b | 589a | 32a | 30a | 35.7a | 35.3a | 合阳HY | 409a | 347a | 24a | 28a | 38.4a | 40.4a | 蒲城PC | 227a | 236a | 22a | 23a | 35.3a | 35.9a | 耀州YZ | 298a | 353a | 23a | 20a | 46.4a | 48.1a | 永寿YS | 546a | 616a | 31a | 31a | 36.7a | 36.8a | 平均Mean | 449a | 470a | 25a | 26a | 39.2a | 39.9a | 2014—2017 | 彬县BX | 707a | 782a | 24b | 28a | 38.9a | 38.7a | 凤翔FX | 474b | 518a | 34a | 32a | 39.3b | 42.1 | 合阳HY | 474a | 465a | 24a | 26a | 35.9b | 37.9a | 蒲城PC | 330a | 345a | 25a | 26a | 34.9a | 35.8a | 耀州YZ | 417a | 440a | 27a | 26a | 43.6a | 44.9a | 永寿YS | 469a | 514a | 36a | 37a | 35.4a | 35.1a | 平均Mean | 479b | 511a | 29a | 29a | 38.0b | 39.1a | 变异来源 Source of variance | | | | | | | 生长季Growing season | 50.0** | | 24.4** | | 82.8** | | 地点Site | 71.7** | | 47.0** | | 85.4** | | 处理Treatment | 6.8* | | 1.40 | | 21.7** | |
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