Effects of super absorbent polymer with different application rates on soil characteristics and flue-cured tobacco growth in Qinba mountain area
In order to improve soil characteristics, reduce the effect of seasonal drought on the growth of fluecured tobacco, and promote the application of super absorbent polymer in flue-cured tobacco production, we analyzed the effects of different super absorbent polymer application rates on soil moisture...
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| Format: | Article |
| Language: | English |
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Zhejiang University Press
2019-06-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
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| Online Access: | https://www.academax.com/doi/10.3785/j.issn.1008-9209.2018.07.171 |
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| author | BAI Gangshuan GENG Wei HE Dengfeng |
| author_facet | BAI Gangshuan GENG Wei HE Dengfeng |
| author_sort | BAI Gangshuan |
| collection | DOAJ |
| description | In order to improve soil characteristics, reduce the effect of seasonal drought on the growth of fluecured tobacco, and promote the application of super absorbent polymer in flue-cured tobacco production, we analyzed the effects of different super absorbent polymer application rates on soil moisture, soil bulk density, fluecured tobacco growth, conventional chemical composition and economic characteristics. The potassium polyacrylate super absorbent polymer of 45, 60 and 75 kg/hm<sup>2</sup> was separately applied to the tobacco field with yellow brown soil in Qinba mountain area, and no super absorbent polymer was applied as a control. The results showed that the application rate of 75 kg/hm<sup>2</sup> had a relatively large effect on the soil moisture from seedling survival stage to rosette stage of flue-cured tobacco, while the treatment with application rate of 60 kg/hm<sup>2</sup> had a relatively greater effect on soil moisture from flourishing growth stage to after maturity stage. However, different application rates of potassium polyacrylate super absorbent polymer had no significant effect on soil moisture from seedling survival stage to after maturity stage. The soil bulk density of 0-20 and >20-40 cm soil layers was significantly reduced by the treatment with application rate of 60 kg/hm<sup>2</sup>, but the treatments with application rate of 45 and 75 kg/hm<sup>2</sup> had no significant effect on soil bulk density. All application rates of potassium polyacrylate super absorbent polymer promoted the growth of flue-cured tobacco, increased flue-cured tobacco yield, conventional chemical composition and output value. The proportion of superior tobacco significantly increased, while the proportion of inferior tobacco significantly decreased, and the net output value of the fluecured tobacco significantly increased by the treatment with application rate of 60 kg/hm<sup>2</sup>. In sum, the suitable application rate of potassium polyacrylate super absorbent ploymer is about 60 kg/hm<sup>2</sup> in the tobacco field with yellow brown soil in Qinba mountain area. |
| format | Article |
| id | doaj-art-0e68f50eb7aa4bfebc2a061329d78b1e |
| institution | Kabale University |
| issn | 1008-9209 2097-5155 |
| language | English |
| publishDate | 2019-06-01 |
| publisher | Zhejiang University Press |
| record_format | Article |
| series | 浙江大学学报. 农业与生命科学版 |
| spelling | doaj-art-0e68f50eb7aa4bfebc2a061329d78b1e2025-08-20T03:32:05ZengZhejiang University Press浙江大学学报. 农业与生命科学版1008-92092097-51552019-06-014534335410.3785/j.issn.1008-9209.2018.07.17110089209Effects of super absorbent polymer with different application rates on soil characteristics and flue-cured tobacco growth in Qinba mountain areaBAI GangshuanGENG WeiHE DengfengIn order to improve soil characteristics, reduce the effect of seasonal drought on the growth of fluecured tobacco, and promote the application of super absorbent polymer in flue-cured tobacco production, we analyzed the effects of different super absorbent polymer application rates on soil moisture, soil bulk density, fluecured tobacco growth, conventional chemical composition and economic characteristics. The potassium polyacrylate super absorbent polymer of 45, 60 and 75 kg/hm<sup>2</sup> was separately applied to the tobacco field with yellow brown soil in Qinba mountain area, and no super absorbent polymer was applied as a control. The results showed that the application rate of 75 kg/hm<sup>2</sup> had a relatively large effect on the soil moisture from seedling survival stage to rosette stage of flue-cured tobacco, while the treatment with application rate of 60 kg/hm<sup>2</sup> had a relatively greater effect on soil moisture from flourishing growth stage to after maturity stage. However, different application rates of potassium polyacrylate super absorbent polymer had no significant effect on soil moisture from seedling survival stage to after maturity stage. The soil bulk density of 0-20 and >20-40 cm soil layers was significantly reduced by the treatment with application rate of 60 kg/hm<sup>2</sup>, but the treatments with application rate of 45 and 75 kg/hm<sup>2</sup> had no significant effect on soil bulk density. All application rates of potassium polyacrylate super absorbent polymer promoted the growth of flue-cured tobacco, increased flue-cured tobacco yield, conventional chemical composition and output value. The proportion of superior tobacco significantly increased, while the proportion of inferior tobacco significantly decreased, and the net output value of the fluecured tobacco significantly increased by the treatment with application rate of 60 kg/hm<sup>2</sup>. In sum, the suitable application rate of potassium polyacrylate super absorbent ploymer is about 60 kg/hm<sup>2</sup> in the tobacco field with yellow brown soil in Qinba mountain area.https://www.academax.com/doi/10.3785/j.issn.1008-9209.2018.07.171flue-cured tobaccosuper absorbent polymerapplication ratesoil moisturesoil bulk densityyield and output value |
| spellingShingle | BAI Gangshuan GENG Wei HE Dengfeng Effects of super absorbent polymer with different application rates on soil characteristics and flue-cured tobacco growth in Qinba mountain area 浙江大学学报. 农业与生命科学版 flue-cured tobacco super absorbent polymer application rate soil moisture soil bulk density yield and output value |
| title | Effects of super absorbent polymer with different application rates on soil characteristics and flue-cured tobacco growth in Qinba mountain area |
| title_full | Effects of super absorbent polymer with different application rates on soil characteristics and flue-cured tobacco growth in Qinba mountain area |
| title_fullStr | Effects of super absorbent polymer with different application rates on soil characteristics and flue-cured tobacco growth in Qinba mountain area |
| title_full_unstemmed | Effects of super absorbent polymer with different application rates on soil characteristics and flue-cured tobacco growth in Qinba mountain area |
| title_short | Effects of super absorbent polymer with different application rates on soil characteristics and flue-cured tobacco growth in Qinba mountain area |
| title_sort | effects of super absorbent polymer with different application rates on soil characteristics and flue cured tobacco growth in qinba mountain area |
| topic | flue-cured tobacco super absorbent polymer application rate soil moisture soil bulk density yield and output value |
| url | https://www.academax.com/doi/10.3785/j.issn.1008-9209.2018.07.171 |
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