施石灰和秸秆还田对双季稻田土壤钾素表观平衡的互作效应
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刘磊, 廖萍, 邵华, 刘劲松, 杨星莲, 王静, 王海媛, 张俊, 曾勇军, 黄山
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Interactive effects of liming and straw return on apparent soil potassium balance in a double rice cropping system
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LIU Lei, LIAO Ping, SHAO Hua, LIU Jin-Song, YANG Xing-Lian, WANG Jing, WANG Hai-Yuan, ZHANG Jun, ZENG Yong-Jun, HUANG Shan
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表2 施石灰(L)和秸秆还田(RS)对双季稻各器官钾浓度的影响(F值)
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Table 2 Effects of liming (L) and straw return (RS) on K concentration in various organs (F-value)
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类别 Type | 年份 Year | 变异来源 Source of variations | 茎 Stem | 叶 Leaf | 穗 Panicle | 早稻钾浓度 K concentration in early rice | 2015 | 石灰Liming (L) | 58.38** | 4.21 | 1.80 | | 秸秆还田Straw return (RS) | 89.86** | 0.48 | 0.45 | | 石灰×秸秆还田 L×RS | 32.82** | 0.01 | 2.35 | 2016 | 石灰Liming (L) | 36.06** | 49.27** | 5.38 | | 秸秆还田Straw return (RS) | 144.18** | 25.16** | 0.57 | | 石灰×秸秆还田 L×RS | 10.80* | 0.56 | 26.40** | 2017 | 石灰Liming (L) | 43.70** | 1.91 | 7.04* | | 秸秆还田Straw return (RS) | 404.41** | 722.59** | 18.83** | | 石灰×秸秆还田 L×RS | 26.92** | 98.61** | 0.77 | 2018 | 石灰Liming (L) | 2.61 | 3.29 | 0.54 | | 秸秆还田Straw return (RS) | 81.52** | 39.53** | 0.30 | | 石灰×秸秆还田 L×RS | 0.81 | 1.03 | 2.72 | 类别 Type | 年份 Year | 变异来源 Source of variations | 茎 Stem | 叶 Leaf | 穗 Panicle | 晚稻钾浓度 K concentration in late rice | 2015 | 石灰Liming (L) | 15.86** | 1.35 | 0.04 | | 秸秆还田Straw return (RS) | 57.73** | 18.23** | 1.97 | | 石灰×秸秆还田 L×RS | 0.80 | 0.05 | 0.27 | 2016 | 石灰Liming (L) | 62.68** | 1706.20** | 0.98 | | 秸秆还田Straw return (RS) | 2916.73** | 9960.00** | 1.68 | | 石灰×秸秆还田 L×RS | 3.25 | 233.32** | 0.98 | 2017 | 石灰Liming (L) | 7.44** | 6.21* | 0.05 | | 秸秆还田Straw return (RS) | 33.86** | 79.53** | 4.90 | | 石灰×秸秆还田 L×RS | 0.23 | 5.67 | 0.09 | 2018 | 石灰Liming (L) | 0.13 | 2.06 | 2.04 | | 秸秆还田Straw return (RS) | 17.31** | 182.08** | 0.17 | | 石灰×秸秆还田 L×RS | 0.05 | 2.82 | 0.51 |
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