| 土壤水分条件对白肋烟产、质量的影响研究 |
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| 引用本文： | 李进平,陈振国,李建平.土壤水分条件对白肋烟产、质量的影响研究[J].灌溉排水学报,2003,22(4):73-78. |
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| 作者姓名： | 李进平 陈振国 李建平 |
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| 作者单位： | 中国烟草白肋烟试验站,湖北,武汉,430030 |
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| 摘 要： | 采用田间和盆栽试验方法研究了土壤水分条件对白肋烟产、质量和化学成分的影响及白肋烟灌溉的土壤水分指标。综合不同试验中土壤含水量对白肋烟产、质量和各类化学成分影响的结果 ,白肋烟各生育期最适宜的土壤相对含水量分别为移栽—团棵 6 6 %左右、团棵—打顶 80 %左右、打顶—采收 77%左右 ,白肋烟成熟阶段需水量相对较多。成熟期土壤相对含水量对白肋烟的成熟速度和化学成分的协调性及评吸质量的影响最为明显 ,在最适宜的土壤相对含水量以下的范围内 ,表现出随土壤相对含水量升高 ,成熟速度加快 ,烟碱含量明显下降 ,内在化学成分更为协调和评吸质量提高。适宜的土壤相对含水量能明显提高白肋烟产量、产值和等级比重。
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| 关 键 词： | 土壤水分条件 白肋烟 产量 质量 灌溉指标 |
| 文章编号： | 1000-646X(2003)04-0073-06 |
| 修稿时间： | 2003年4月4日 |
Effects of Soil Moisture on Yield and Quality and Suitable Soil Moisture Indexes for Irrigation in Burley Tobacco |
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| LI Jin-ping,CHEN Zhen-guo,LI Jian-ping.Effects of Soil Moisture on Yield and Quality and Suitable Soil Moisture Indexes for Irrigation in Burley Tobacco[J].Journal of Irrigation and Drainage,2003,22(4):73-78. |
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| Authors: | LI Jin-ping CHEN Zhen-guo LI Jian-ping |
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| Abstract: | Effects of soil moisture on yield and quality of Burley Tobacco and the suitable soil moisture indexes for Burley Tobacco irrigation were studied with field and pot experiments. Results showed that suitable relative soil moisture were 66%, 80% and 77% in period of transplanting to bird nest, bird nest to top-pruning, and top-pruning to harvesting, respectively. Suitable soil moisture may significantly improved yield, economic benefit, proportion of high-grade tobacco products, smoking quality, and decreased nicotine content in Burley Tobacco. |
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| Keywords: | soil moisture burley tobacco yield quality irrigation index |
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