WANG Ning,DONGChang-jun,LI Da-zhuang,et al.Effect of Different Nitrogen Levels on Yield,Quality,Dry MatterAccumulation and Distribution of Flue-cured Tobacco[J].HEILONGJIANG AGRICULTURAL SCIENCES,2009,(06):63-65.[doi:10.11942/j.isn1002-2767.2009.06.0063]
不同施氮水平对烤烟干物质积累分配及产质的影响
- Title:
- Effect of Different Nitrogen Levels on Yield,Quality,Dry MatterAccumulation and Distribution of Flue-cured Tobacco
- 文章编号:
- 1002-2767(2009)06-0063-03
- Keywords:
- Key words:flue-cured tobacco; dry matter; accumulation and distribution; yield and quality; chernozem
- 分类号:
- S572
- 文献标志码:
- A
- 摘要:
- 摘要:研究了黑钙土不同施氮水平下, 烤烟干物质的积累以及分配规律。 结果表明:黑钙土上烤烟的干物质积累随施氮量的增加而增加, 且主要在旺长期内完成;而干物质在根、茎、叶的分配比例受施氮量的影响较小, 虽各处理之间无明显规律, 但均表现为叶>茎>根;根、茎、叶干重最终占烟株干重的比例分别为 18.6%~ 19.7%, 28.1%~ 29.3%和79.8%~ 81.8%;研究还表明过低的施氮量也不利于烤烟经济效益的提高, 因此建议施氮量控制在 52.5~ 67.5 kg·hm -2 之间比较好。
- Abstract:
- Abstract:The results from the field test in2008 showed that dry matter accumulation of flue-cured tobacco was mainly com-pletedin vigorous growth stage and increased with the enhance of nitrogen fertilizer.The proportion of distribution of drymatter in root, stem, leaves was leaves >stem > root, but was affected slightly by nitrogen levels and showed no apparentlaw among the different treatments.The finalproportion of dry matter of root, stem and leavesinplant was18.6%~ 19.7%,28.1%~ 29.3%and 79.8%~ 81.8%.The results also indicated that low nitrogen fertilizer was no good for the economicbenefits increasing, so the better nitrogen fertilizer level was between 52.5 kg·hm -2 and 67.5 kg·hm -2 was suggested.
参考文献/References:
[ 1] 汪耀富,张福锁.干旱和氮用量对烤烟干物质和矿质养分积累的影响[ J] .中国烟草学报, 2003(1):19-23.
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备注/Memo
基金项目:黑龙江八一农垦大学博士科研启动金项目第一作者简介:王宁(1977-), 男, 陕西合阳人, 硕士,讲师, 从事水土保持研究。E-mail:soilandwater@163.com。通讯作者:王鹏(1962-),男, 黑龙江省牡丹江市人, 博士, 副教授, 主要从事烟草土壤与营养研究。E-mail:wangp.ycs@163.com。