Influence of Organic Amendments on Adsorption, Desorption and Leaching of Methiopyrisulfuron in Soils
Methiopyrisulfuron is a novel sulfonylurea herbicide with good activity for annual broadleaf and gramineal weeds control. Present study was to investigate the effects of organic amendments (including peat (PE), sewage sludge (SS), and humic acid (HA)) on adsorption, desorption and leaching of methio...
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KeAi Communications Co., Ltd.
2013-09-01
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| Series: | Journal of Integrative Agriculture |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2095311913604293 |
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| author | Chun-xian WU Guo NIE Zhong-ming ZHANG Guang-cheng WANG Li-ming GAO Jin-jun WANG |
| author_facet | Chun-xian WU Guo NIE Zhong-ming ZHANG Guang-cheng WANG Li-ming GAO Jin-jun WANG |
| author_sort | Chun-xian WU |
| collection | DOAJ |
| description | Methiopyrisulfuron is a novel sulfonylurea herbicide with good activity for annual broadleaf and gramineal weeds control. Present study was to investigate the effects of organic amendments (including peat (PE), sewage sludge (SS), and humic acid (HA)) on adsorption, desorption and leaching of methiopyrisulfuron in soils. The batch equilibration technique was applied for adsorption-desorption experiments and the leaching was tested through soil column simulated experiments under laboratory conditions. The Freundlich model may well describe adsorption-desorption of methiopyrisulfuron on organic amendments, the natural soil, and amended soils. Organic amendments could not only greatly increase the adsorption capacity of methiopyrisulfuron, but also significantly enhance the hysteresis of desorption of methiopyrisulfuron. The correlations between Kf-ads and organic matter content of amended soils were significant, and the correlations between H and soil organic matter in amended soils with PE, SS, and HA were significant too. The results of soil column experiments indicated that organic amendments greatly decreased leaching of methiopyrisulfuron. This study suggested that PE, SS, and HA could greatly influence environmental behavior of methiopyrisulfuron in soils. Use of organic amendments might be an effective management practice for controlling potential pollution of methiopyrisulfuron to environment. |
| format | Article |
| id | doaj-art-eee730e7810f4a9dbfb36c195aae9e8f |
| institution | Matheson Library |
| issn | 2095-3119 |
| language | English |
| publishDate | 2013-09-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Integrative Agriculture |
| spelling | doaj-art-eee730e7810f4a9dbfb36c195aae9e8f2025-08-02T22:55:18ZengKeAi Communications Co., Ltd.Journal of Integrative Agriculture2095-31192013-09-0112915891597Influence of Organic Amendments on Adsorption, Desorption and Leaching of Methiopyrisulfuron in SoilsChun-xian WU0Guo NIE1Zhong-ming ZHANG2Guang-cheng WANG3Li-ming GAO4Jin-jun WANG5College of Plant Protection, Southwest University, Chongqing 400716, P.R. China; Institute of the Control of Agrochemical of Sichuan Province, Chengdu 610041, P.R. China; WU Chun-xian, Correspondence WANG Jin-jun, Tel: +86-23-68250255, Fax: +86-23-68251269Institute of the Control of Agrochemical of Sichuan Province, Chengdu 610041, P.R. ChinaInstitute of the Control of Agrochemical of Sichuan Province, Chengdu 610041, P.R. ChinaInstitute of the Control of Agrochemical of Sichuan Province, Chengdu 610041, P.R. ChinaInstitute of the Control of Agrochemical of Sichuan Province, Chengdu 610041, P.R. ChinaCollege of Plant Protection, Southwest University, Chongqing 400716, P.R. China; WU Chun-xian, Correspondence WANG Jin-jun, Tel: +86-23-68250255, Fax: +86-23-68251269Methiopyrisulfuron is a novel sulfonylurea herbicide with good activity for annual broadleaf and gramineal weeds control. Present study was to investigate the effects of organic amendments (including peat (PE), sewage sludge (SS), and humic acid (HA)) on adsorption, desorption and leaching of methiopyrisulfuron in soils. The batch equilibration technique was applied for adsorption-desorption experiments and the leaching was tested through soil column simulated experiments under laboratory conditions. The Freundlich model may well describe adsorption-desorption of methiopyrisulfuron on organic amendments, the natural soil, and amended soils. Organic amendments could not only greatly increase the adsorption capacity of methiopyrisulfuron, but also significantly enhance the hysteresis of desorption of methiopyrisulfuron. The correlations between Kf-ads and organic matter content of amended soils were significant, and the correlations between H and soil organic matter in amended soils with PE, SS, and HA were significant too. The results of soil column experiments indicated that organic amendments greatly decreased leaching of methiopyrisulfuron. This study suggested that PE, SS, and HA could greatly influence environmental behavior of methiopyrisulfuron in soils. Use of organic amendments might be an effective management practice for controlling potential pollution of methiopyrisulfuron to environment.http://www.sciencedirect.com/science/article/pii/S2095311913604293organic amendmentadsorptiondesorptionleachingmethiopyrisulfuronsoil |
| spellingShingle | Chun-xian WU Guo NIE Zhong-ming ZHANG Guang-cheng WANG Li-ming GAO Jin-jun WANG Influence of Organic Amendments on Adsorption, Desorption and Leaching of Methiopyrisulfuron in Soils Journal of Integrative Agriculture organic amendment adsorption desorption leaching methiopyrisulfuron soil |
| title | Influence of Organic Amendments on Adsorption, Desorption and Leaching of Methiopyrisulfuron in Soils |
| title_full | Influence of Organic Amendments on Adsorption, Desorption and Leaching of Methiopyrisulfuron in Soils |
| title_fullStr | Influence of Organic Amendments on Adsorption, Desorption and Leaching of Methiopyrisulfuron in Soils |
| title_full_unstemmed | Influence of Organic Amendments on Adsorption, Desorption and Leaching of Methiopyrisulfuron in Soils |
| title_short | Influence of Organic Amendments on Adsorption, Desorption and Leaching of Methiopyrisulfuron in Soils |
| title_sort | influence of organic amendments on adsorption desorption and leaching of methiopyrisulfuron in soils |
| topic | organic amendment adsorption desorption leaching methiopyrisulfuron soil |
| url | http://www.sciencedirect.com/science/article/pii/S2095311913604293 |
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