分期施钾对不同质地土壤麦田冬小麦干物质积累和产量的影响
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胡鑫慧, 谷淑波, 朱俊科, 王东
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Effects of applying potassium at different growth stages on dry matter accumulation and yield of winter wheat in different soil-texture fields
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HU Xin-Hui, GU Shu-Bo, ZHU Jun-Ke, WANG Dong
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表4 不同处理对冬小麦籽粒产量及其构成因素的影响
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Table 4 Effects of different treatments on grain yield and yield components in winter wheat
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年份
Year | 处理
Treatment | 穗数
Spike number
(×104 hm-2) | 穗粒数
Grain number
per spike | 千粒重
1000-grain weight
(g) | 产量
Yield
(kg hm-2) | | 2018-2019 | SK0 | 642.0 b | 32.5 e | 40.5 b | 6755.1 e | | SK1 | 663.0 ab | 34.6 d | 42.2 ab | 7538.4 d | | SK2 | 665.0 ab | 38.3 bc | 43.2 a | 8476.6 c | | FK0 | 675.0 ab | 36.9 c | 42.7 ab | 8334.3 c | | FK1 | 684.0 a | 39.0 b | 43.1 a | 8870.6 b | | FK2 | 678.0 ab | 41.4 a | 43.2 a | 9335.3 a | | 2019-2020 | SK0 | 696.0 b | 30.4 d | 40.1 b | 7541.8 e | | SK1 | 721.0 ab | 32.0 c | 42.0 a | 8116.6 d | | SK2 | 731.0 ab | 35.8 a | 42.3 a | 8962.5 b | | FK0 | 738.0 ab | 32.1 c | 41.8 ab | 8491.7 c | | FK1 | 759.0 a | 34.4 b | 41.9 ab | 9057.2 b | | FK2 | 751.0 a | 36.6 a | 42.4 a | 9547.6 a | | 土壤质地 Soil-texture (S) | * | ** | NS | ** | | 施钾方式 Potassium application methods (P) | NS | ** | NS | ** | | 土壤质地×施钾方式 S× P | NS | * | NS | * |
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