麦烟套作中综合措施对烤烟施木克值的影响
采用五元二次正交回归旋转组合设计，研究不同株距、氮素、打顶时间以及硼肥、IAA对烤烟施木克值的影响，并建立和解析了5因素与烤烟施木克值的数学模型。结果表明，株距对施木克值的影响为向下走势直线效应，施木克值随株距的增大而减小，硼肥单效应对施木克值的影响较小或无影响；打顶时间、硼肥、IAA对施木克值的影响为开口向下的抛物线效应，随着硼肥、IAA用量的增大，打顶时间的推迟，施木克值呈现先增大、达到一定值后开始下降的趋势。氮素与打顶时间、氮素与硼肥、硼肥与IAA之间的交互效应对施木克值影响显著。建议生产上应控制5因素在-1-1水平之间，宜采用45～50cm的栽植株距，80～100kg／ha的氮肥施用量...
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| Published in | Guangxi nong ye ke xue Vol. 40; no. 6; pp. 710 - 715 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
贵州大学农学院,贵阳,550025
2009
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-8161 |
| DOI | 10.3969/j.issn.2095-1191.2009.06.025 |
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| Abstract | 采用五元二次正交回归旋转组合设计，研究不同株距、氮素、打顶时间以及硼肥、IAA对烤烟施木克值的影响，并建立和解析了5因素与烤烟施木克值的数学模型。结果表明，株距对施木克值的影响为向下走势直线效应，施木克值随株距的增大而减小，硼肥单效应对施木克值的影响较小或无影响；打顶时间、硼肥、IAA对施木克值的影响为开口向下的抛物线效应，随着硼肥、IAA用量的增大，打顶时间的推迟，施木克值呈现先增大、达到一定值后开始下降的趋势。氮素与打顶时间、氮素与硼肥、硼肥与IAA之间的交互效应对施木克值影响显著。建议生产上应控制5因素在-1-1水平之间，宜采用45～50cm的栽植株距，80～100kg／ha的氮肥施用量，在现蕾后15d打顶，选用浓度为0．6％～0．8％的硼肥和20mg／L的IAA。 |
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| AbstractList | S572.01; 采用五元二次正交回归旋转组合设计,研究不同株距、氮素、打顶时间以及硼肥、IAA对烤烟施木克值的影响,并建立和解析了5因素与烤烟施木克值的数学模型.结果表明,株距对施木克值的影响为向下走势直线效应,施木克值随株距的增大而减小,硼肥单效应对施木克值的影响较小或无影响;打顶时间、硼肥、IAA对施木克值的影响为开口向下的抛物线效应,随着硼肥、IAA用量的增大,打顶时间的推迟,施木克值呈现先增大、达到一定值后开始下降的趋势.氮素与打顶时间、氮素与硼肥、硼肥与IAA之间的交互效应对施木克值影响显著.建议生产上应控制5因素在-1～1水平之间,宜采用45～50cm的栽植株距,80～100kg/ha的氮肥施用量,在现蕾后15d打顶,选用浓度为0.6%～0.8%的硼肥和20mg/L的IAA. 采用五元二次正交回归旋转组合设计，研究不同株距、氮素、打顶时间以及硼肥、IAA对烤烟施木克值的影响，并建立和解析了5因素与烤烟施木克值的数学模型。结果表明，株距对施木克值的影响为向下走势直线效应，施木克值随株距的增大而减小，硼肥单效应对施木克值的影响较小或无影响；打顶时间、硼肥、IAA对施木克值的影响为开口向下的抛物线效应，随着硼肥、IAA用量的增大，打顶时间的推迟，施木克值呈现先增大、达到一定值后开始下降的趋势。氮素与打顶时间、氮素与硼肥、硼肥与IAA之间的交互效应对施木克值影响显著。建议生产上应控制5因素在-1-1水平之间，宜采用45～50cm的栽植株距，80～100kg／ha的氮肥施用量，在现蕾后15d打顶，选用浓度为0．6％～0．8％的硼肥和20mg／L的IAA。 |
| Author | 曹国璠 杨志华 |
| AuthorAffiliation | 贵州大学农学院,贵阳550025 |
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| Author_FL | YANG Zhi-hua CAO Guo-fan |
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| Title | 麦烟套作中综合措施对烤烟施木克值的影响 |
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