秸秆还田后效对玉米氮肥利用率的影响
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邹文秀,韩晓增,陆欣春,陈旭,郝翔翔,严君
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Effect of Maize Straw Return Aftereffect on Nitrogen Use Efficiency of Maize
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ZOU WenXiu,HAN XiaoZeng,LU XinChun,CHEN Xu,HAO XiangXiang,YAN Jun
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表2 秸秆还田后效对玉米各器官全氮含量的影响
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Table 2 Nitrogen contents in different organs of maize under different straw return aftereffect
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处理
Treatment | 全氮含量The contents of total nitrogen (g?kg-1) | | 籽粒 Grain | 根 Root | 茎 Steam | 叶 Leaf | 轴 Cob | | CK | 12.1±0.78 a | 3.2±0.25 a | 1.7±0.04 a | 3.5±0.06 a | 3.4±0.07 a | | D0 | 12.2±1.12 a | 3.5±0.46 a | 1.8±0.05 a | 3.5±0.05 a | 3.6±0.26 a | | D0-20 | 12.4±0.28 a | 3.3±0.35 a | 1.8±0.03 a | 3.6±0.03 a | 3.6±0.02 a | | D0-35 | 12.6±0.97 a | 3.3±0.11 a | 1.8±0.05 a | 3.5±0.09 a | 3.5±0.04 a | | D20-35 | 12.4±1.33 a | 3.2±0.36 a | 1.8±0.06 a | 3.5±0.03 a | 3.5±0.06 a | | D35 | 13.0±1.93 a | 3.1±0.31 a | 1.8±0.03 a | 3.5±0.04 a | 3.5±0.06 a | | D50 | 12.6±0.23 a | 3.1±0.16 a | 1.8±0.06 a | 3.5±0.03 a | 3.5±0.01 a |
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