|
|||||
|
|
| 不同水分条件和钾肥形态对烤烟生长及含钾量的影响 | |
| 引用本文： | 汤云峰,尹力初,周冀衡,杨虹琦,郑明,许石剑.不同水分条件和钾肥形态对烤烟生长及含钾量的影响[J].湖南农业科学,2009(2). |
| 作者姓名： | 汤云峰 尹力初 周冀衡 杨虹琦 郑明 许石剑 |
| 作者单位： | 1. 湖南农业大学烟草科学与健康重点实验室,湖南,长沙,410128 2. 湖南农业大学烟草科学与健康重点实验室,湖南,长沙,410128;湖南农业大学资源与环境学院,湖南,长沙,410128 3. 湖南农业大学烟草科学与健康重点实验室,湖南,长沙,410128;湖南农业大学生命科技学院,湖南,长沙,410128 |
| 基金项目： | 湖南中烟工业公司项目，云南省烟草专卖局(公司)资助项目 |
| 摘 要： | 采用盆栽试验研究了不同水分条件和钾肥形态对烤烟生长及含钾量的影响.结果表明,相对于单一施用KNO3,K2SO4与NH4NO3配合施用能显著增加烟株叶片数、最大叶叶面积和干物质重,但烤烟含钾量下降.水分过多不利于烟草钾的积累,干旱有利于提高烤烟含钾量.施用KNO3时土壤K的释放速度先快后慢;施用K2SO4时,在土壤水分条件充足的条件下土壤K的释放速度先慢后快,但在干旱条件下却相反. |
| 关 键 词： | 烤烟 水分 钾肥 含钾量 |
Effects of Different Soil Water Conditions and Potassium Fertilizer Forms on Flue-cured Tobacco Growth and Potassium Content |
|
| TANG Yun-feng,YIN Li-chu,ZHOU Ji-heng,YANG Hong-qi,ZHENG Ming,XU Shi-jian.Effects of Different Soil Water Conditions and Potassium Fertilizer Forms on Flue-cured Tobacco Growth and Potassium Content[J].Hunan Agricultural Sciences,2009(2). | |
| Authors: | TANG Yun-feng YIN Li-chu ZHOU Ji-heng YANG Hong-qi ZHENG Ming XU Shi-jian |
| Institution: | 1.Key Laboratory of Tobacco Science and Healthy;Changsha 410128;PRC;2.College of Resource and Environment;3.College of Life Science and Technology;PRC |
| Abstract: | A pot experiment was conducted to study effects of different soil water conditions and potassium fertilizer forms on flue-cured tobacco growth and potassium content.The results indicated that compared with a single application on KNO3,K2SO4 and NH4NO3 combined application could remarkably increase the number of tobacco plant leaves,the biggest leaf area and dry matter,but potassium content in flue-cured tobacco decreased.Excess soil water content was harmful for the accumulation of potassium in flue-cured t... |
| Keywords: | flue-cured tobacco water potassium fertilizer potassium content |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |