| 施氮量对烟后苦荞产量及植株养分吸收量的影响 |
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| 引用本文： | 张艳军,胡选江,刘佳,饶敏,胡新洲,施立安,申文智,李成春,李怀红,张翠萍,林姣姣,杨绍聪. 施氮量对烟后苦荞产量及植株养分吸收量的影响[J]. 中国农学通报, 2021, 37(7): 19-23. DOI: 10.11924/j.issn.1000-6850.casb2020-0116 |
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| 作者姓名： | 张艳军 胡选江 刘佳 饶敏 胡新洲 施立安 申文智 李成春 李怀红 张翠萍 林姣姣 杨绍聪 |
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| 作者单位： | 1.玉溪市农业科学院,云南玉溪 653100;2.玉溪市农产品质量安全检验检测中心,云南玉溪 653100;3.澄江市农技推广站,云南澄江 652500 |
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| 基金项目： | 玉溪市农业科学院科技计划项目“苦荞新品种筛选及配套技术措施研究项目”(2019-YNK-KQ012) |
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| 摘 要： | 以'云荞1号'苦荞为材料,在烤烟收获后种植,研究不同施氮量对苦荞产量及养分吸收量的影响,旨在筛选出适合其在玉溪种植的最佳施氮量.结果 表明,随着施氮量的增加,苦荞产量表现出先增加后降低的趋势,生育期随之延长,株高随之增高;主要农艺性状和产量构成因素差异不显著,但施氮量为225 kg/hm2主茎节数、一级分枝最多,单株粒...
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| 关 键 词： | 苦荞 施氮量 产量 植株养分 吸收量 |
| 收稿时间： | 2020-05-20 |
Effects of Nitrogen Application on Yield and Plant Nutrient Uptake of Tartary Buckwheat After Flue-cured Tobacco |
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| Zhang Yanjun,Hu Xuanjiang,Liu Jia,Rao Min,Hu Xinzhou,Shi Li’an,Shen Wenzhi,Li Chengchun,Li Huaihong,Zhang Cuiping,Lin Jiaojiao,Yang Shaocong. Effects of Nitrogen Application on Yield and Plant Nutrient Uptake of Tartary Buckwheat After Flue-cured Tobacco[J]. Chinese Agricultural Science Bulletin, 2021, 37(7): 19-23. DOI: 10.11924/j.issn.1000-6850.casb2020-0116 |
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| Authors: | Zhang Yanjun Hu Xuanjiang Liu Jia Rao Min Hu Xinzhou Shi Li’an Shen Wenzhi Li Chengchun Li Huaihong Zhang Cuiping Lin Jiaojiao Yang Shaocong |
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| Affiliation: | 1.Yuxi Academy of Agricultural Sciences, Yuxi Yunnan 653100;2.Yuxi Agricultural Product Quality and Safety Inspection and Testing Center, Yuxi Yunnan 653100;3.Chengjiang Agricultural Technology Promotion Station, Chengjiang Yunnan 652500 |
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| Abstract: | The effects of nitrogen application on yield and plant nutrient uptake of planting tartary buckwheat variety ‘Yunqiao No.1’ after flue-cured tobacco harvest were studied to select the best nitrogen application level in Yuxi. The results showed that with the increase of nitrogen application, the yield increased first and then decreased, the growth period was prolonged and the plant height was increased. There was no significant difference in major agronomic characters and yield components. However, the nitrogen application amount of 225 kg/hm 2 had the largest main stalk pitch number and primary branches, and the yield components of grain number and weight per plant were relatively good, so the yield reached 2900 kg/hm2, which was 720 kg/hm2 or 33.03% higher than that of CK. In terms of plant nutrient uptake, with the increase of nitrogen application, the nitrogen uptake of the whole plant showed a trend of increasing first and then decreasing, and the variation trend of phosphorus and potassium uptake was consistent, and the plant nutrient uptake was the highest with nitrogen application level of 225 kg/hm2, followed by nitrogen application at 150 kg/hm2. Therefore, under this experiment, the optimal nitrogen application rate is 150 kg/hm2 to 225 kg/hm2, which has not only high yield, but also the highest uptake of plant nutrients. |
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| Keywords: | tartary buckwheat nitrogen application yield plant nutrition absorbing capacity |
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