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Dynamic Changes of Tobacco-growing Soil Nutrients and Enzymes After Application of Amelioration Materials
Dynamic Changes of Tobacco-growing Soil Nutrients and Enzymes After Application of Amelioration Materials
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摘要：
[Objectives]This study was conducted to clarify the improvement effects of different soil amelioration materials such as lime,green manure and bio-organic fertilizer on acidic tobacco-planting soil.[Methods]The dynamic changes of soil pH,soil nutrients and enzyme activity were studied by applying lime,lime+green fertilizer,and lime+green fertilizer+biological organic fertilizer.[Results]①After the application of amelioration materials,the soil pH and available phosphorus content of tobacco-growing soil showed a stepwise change of first increasing and then decreasing,and became stable at 60 d after tobacco transplanting;the soil organic matter,alkali-hydrolyzable nitrogen and available potassium content showed a gradual change trend of"high-low-high";and the soil invertase and urease activity showed a gradual change trend of"low-high-low".②To 90 d after tobacco transplanting,the application of amelioration materials increased soil pH by 1.29-1.62 units,and increased organic matter content by 15.21%-20.86%,alkali-hydrolyzable nitrogen content by 6.83%-18.17%,available phosphorus content by 54.15%-217.85%,rapidly available potassium content by 11.42%-30.86%,soil invertase activity by 70.09%-18.93%,and soil urease activity by 64.07%-130.47%.③The combination of lime+green manure+alkaline microbial organic fertilizer had the best effect on the improvement of acidic tobacco-growing soil,and the effect of lime+green manure+acid microbial organic fertilizer on acidic soil was the second.[Conclusions]When applying lime,green fertilizer and alkaline bio-organic fertilizer should be applied to achieve sustainable improvement of strongly acidic soil.
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| 篇名 | Dynamic Changes of Tobacco-growing Soil Nutrients and Enzymes After Application of Amelioration Materials | ||
| 来源期刊 | 农业生物技术:英文版 | 学科 | 农学 |
| 关键词 | Amelioration materials Soil pH Main nutrients of tobacco-growing soil Soil enzymes | ||
| 年，卷（期） | 2020,（4） | 所属期刊栏目 | |
| 研究方向 | 页码范围 | 87-91 | |
| 页数 | 5页 | 分类号 | S15 |
| 字数 | 语种 | ||
| DOI | |||
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Amelioration
materials
Soil
pH
Main
nutrients
of
tobacco-growing
soil
Soil
enzymes
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研究去脉
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农业生物技术：英文版
主办单位：
吴楚(美中)科技文化传媒公司
出版周期：
双月刊
ISSN：
2164-4993
CN：
开本：
出版地：
合肥市农科南路40号省农科院老水产所30
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766
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7
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0
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