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| 施氮水平对甘肃烤烟烟碱、钾含量及经济效益的影响 | |
| 引用本文： | 张春红,邱慧珍,何秀成,张文明,李亚娟.施氮水平对甘肃烤烟烟碱、钾含量及经济效益的影响[J].甘肃农业大学学报,2011,46(5):65-69. |
| 作者姓名： | 张春红 邱慧珍 何秀成 张文明 李亚娟 |
| 作者单位： | 1. 甘肃农业大学资源与环境学院,甘肃兰州,730070 2. 甘肃农业大学工学院,甘肃兰州,730070 3. 甘肃农业大学草业学院,甘肃兰州,730070 |
| 基金项目： | 农业部公益性行业(农业科技专项200803031); 江苏省固体有机废弃物资源化高技术研究重点实验室第一批开放课题(BM2007203031); 庆阳市科技局科技专项(GK071-1) |
| 摘 要： | 针对甘肃烤烟生产中存在的烟叶品质低及种植效益不高等问题,于2007年在庆阳市正宁县布置了大田试验,研究了0、30、60、90kg/hm2 4种施氨水平对烤烟烟碱、钾含量及经济效益的影响.结果表明:烟碱含量随施氮水平的提高显著增加,以施氮量为30 kg/hm2和60 kg/hm2时烤烟各部位烟碱含量最适宜.烟叶钾含量随施... |
| 关 键 词： | 烤烟 施氮水平 烟碱 钾 经济效益 |
Effects of nitrogen rates on K,nicotine content and economic profit in Gansu flue-cured tobacco |
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| ZHANG Chun-hong,QIU Hui-zhen,HE Xiu-cheng,ZHANG Wen-ming,LI Ya-juan.Effects of nitrogen rates on K,nicotine content and economic profit in Gansu flue-cured tobacco[J].Journal of Gansu Agricultural University,2011,46(5):65-69. | |
| Authors: | ZHANG Chun-hong QIU Hui-zhen HE Xiu-cheng ZHANG Wen-ming LI Ya-juan |
| Institution: | ZHANG Chun-hong1,QIU Hui-zhen1,HE Xiu-cheng2,ZHANG Wen-ming1,LI Ya-juan3(1.College of Resources and Environmental Sciences,Gansu Agricultural University,Lanzhou 730070,China,2.College of Prataculture,3.College of Engineering,China) |
| Abstract: | In order to deal with low economic benefits and low quality of flue-cured tobacco in Gansu Province,a field experiment was carried out to study the effects of different nitrogen application rate at 0,30,60 and 90 kg/hm2(treatments N0,N1,N2 and N3) on the potassium content,nicotine content and the economic benefits of flue-cured tobacco leaves in Zhengning County of Qingyang City in 2007.The results showed that the nicotine content was significantly increased by increasing of N application rates.With N appli... |
| Keywords: | flue-cured tobacco nitrogen rate nicotine potassium economic profit |
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