不同有机肥配施对小麦和燕麦镉积累、分配及转运的影响
Q945.78%S512.1%S512.6; [目的]农田土壤镉污染严重威胁农产品质量安全,探讨化肥减量同时配施不同有机肥条件下小麦和燕麦各器官镉积累、分配及转运特征,对于指导作物合理施肥、保证农产品安全具有重要意义.[方法]在化肥施用减量20％基础上,设厩肥30 000 kg/hm2(AM)、生物有机肥600 kg/hm2(BF)、厩肥30 000 kg/hm2+生物有机肥600 kg/hm2(AM+BF)及化肥正常施用量(CK)4个施肥处理,研究不同有机肥处理对小麦和燕麦镉积累、分配、转运特征的影响.[结果](1)与CK相比,不同有机肥配施处理可使小麦和燕麦生物量增加6.78％～11.00...
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| Published in | 西北植物学报 Vol. 44; no. 5; pp. 706 - 715 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
内蒙古农业大学农学院,呼和浩特 010019%巴彦淖尔市耕地质量监测保护中心,内蒙古巴彦淖尔 015000%内蒙古农牧业生态与资源保护中心,呼和浩特 010000
2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-4025 |
| DOI | 10.7606/j.issn.1000-4025.20220839 |
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| Abstract | Q945.78%S512.1%S512.6; [目的]农田土壤镉污染严重威胁农产品质量安全,探讨化肥减量同时配施不同有机肥条件下小麦和燕麦各器官镉积累、分配及转运特征,对于指导作物合理施肥、保证农产品安全具有重要意义.[方法]在化肥施用减量20％基础上,设厩肥30 000 kg/hm2(AM)、生物有机肥600 kg/hm2(BF)、厩肥30 000 kg/hm2+生物有机肥600 kg/hm2(AM+BF)及化肥正常施用量(CK)4个施肥处理,研究不同有机肥处理对小麦和燕麦镉积累、分配、转运特征的影响.[结果](1)与CK相比,不同有机肥配施处理可使小麦和燕麦生物量增加6.78％～11.00％;同时可使各器官镉含量总体降低,其中籽粒镉含量降低11.76％～47.06％.(2)各有机肥配施处理使各器官镉富集系数总体降低,籽粒富集系数降低0～38.46％;BF、AM+BF处理根、茎、叶、穗镉向籽粒的转运系数分别降低16.67％～42.86％、15.79％～42.03％、0～56.10％、6.82％～22.06％.(3)燕麦灌浆期后茎秆镉含量下降伴随着籽粒镉含量上升;燕麦抽穗期后各器官镉向籽粒的转移量、转移率、贡献率均以茎秆为最高.[结论]化肥减量配施有机肥可降低作物籽粒镉含量、富集系数和转运系数,且对燕麦籽粒降镉效果优于小麦;燕麦抽穗期后茎秆转运的镉是籽粒镉积累的主要来源. |
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| AbstractList | Q945.78%S512.1%S512.6; [目的]农田土壤镉污染严重威胁农产品质量安全,探讨化肥减量同时配施不同有机肥条件下小麦和燕麦各器官镉积累、分配及转运特征,对于指导作物合理施肥、保证农产品安全具有重要意义.[方法]在化肥施用减量20％基础上,设厩肥30 000 kg/hm2(AM)、生物有机肥600 kg/hm2(BF)、厩肥30 000 kg/hm2+生物有机肥600 kg/hm2(AM+BF)及化肥正常施用量(CK)4个施肥处理,研究不同有机肥处理对小麦和燕麦镉积累、分配、转运特征的影响.[结果](1)与CK相比,不同有机肥配施处理可使小麦和燕麦生物量增加6.78％～11.00％;同时可使各器官镉含量总体降低,其中籽粒镉含量降低11.76％～47.06％.(2)各有机肥配施处理使各器官镉富集系数总体降低,籽粒富集系数降低0～38.46％;BF、AM+BF处理根、茎、叶、穗镉向籽粒的转运系数分别降低16.67％～42.86％、15.79％～42.03％、0～56.10％、6.82％～22.06％.(3)燕麦灌浆期后茎秆镉含量下降伴随着籽粒镉含量上升;燕麦抽穗期后各器官镉向籽粒的转移量、转移率、贡献率均以茎秆为最高.[结论]化肥减量配施有机肥可降低作物籽粒镉含量、富集系数和转运系数,且对燕麦籽粒降镉效果优于小麦;燕麦抽穗期后茎秆转运的镉是籽粒镉积累的主要来源. |
| Abstract_FL | [Objective]Cadmium pollution in farmland soil poses a serious threat to the quality and safety of agricultural products.To explore the characteristics of cadmium accumulation,distribution,and transport in various organs of wheat and oat under different conditions of reduced chemical fertilizer and organic fer-tilizer application is of great importance in guiding appropriate fertilizer application on crops and ensuring the safety of agricultural products.[Methods]Based on a 20％reduction in fertilizer application,four fer-tilization treatments were set up:Stable fertilizer 30 000 kg/hm2(AM),bioorganic fertilizer 600 kg/hm2(BF),stable fertilizer 30 000 kg/hm2+bioorganic fertilizer 600 kg/hm2(AM+BF),and normal fertilizer application(CK).The effects of the above four different organic fertilizer treatments on cadmium accumu-lation,distribution,and transport in wheat and oat were studied.[Results](1)Compared with CK,dif-ferent organic fertilizer combinations increased the biomass of wheat and oat by 6.78％-11.00％.At the same time,it reduced the overall cadmium content in various organs,with a decrease of 11.76％-47.06％in grain cadmium content.(2)The combined application of various organic fertilizers resulted in an overall decrease in the cadmium enrichment coefficient of various organs,with a decrease of 0-38.46％in the grain enrichment coefficient.The transport coefficients of cadmium from roots,stems,leaves,and pani-cles to grains were decreased by 16.67％-42.86％,15.79％-42.03％,0-56.10％,and 6.82％-22.06％,respectively in BF and AM+BF treatments.(3)The decrease in stem cadmium content after oat filling period was accompanied by an increase in grain cadmium content.The transfer amount,transfer rate,and contribution rate of cadmium from various organs to grains in oats after heading stage were the highest in the stem.[Conclusion]Reducing the amount of chemical fertilizers combined with organic fertil-izers could reduce cadmium content,enrichment coefficient,and transport coefficient in crop grains,and the cadmium reduction effect on oat grains was better than that on wheat.The cadmium transported from the stem after the heading stage of oats was the main source of grain cadmium accumulation. |
| Author | 王永宁 高广贤 赵宝平 郭晓宇 鲁瑞英 刘义强 |
| AuthorAffiliation | 内蒙古农业大学农学院,呼和浩特 010019%巴彦淖尔市耕地质量监测保护中心,内蒙古巴彦淖尔 015000%内蒙古农牧业生态与资源保护中心,呼和浩特 010000 |
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| Author_FL | GUO Xiaoyu LU Ruiying GAO Guangxian ZHAO Baoping WANG Yongning LIU Yiqiang |
| Author_FL_xml | – sequence: 1 fullname: GAO Guangxian – sequence: 2 fullname: ZHAO Baoping – sequence: 3 fullname: LIU Yiqiang – sequence: 4 fullname: LU Ruiying – sequence: 5 fullname: WANG Yongning – sequence: 6 fullname: GUO Xiaoyu |
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| DocumentTitle_FL | Effects of combined application of different organic fertilizers on cadmium accumulation,distribution,and transport in wheat and oat |
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| Keywords | 富集 enrichment oat 转运 镉 cadmium wheat 有机肥 transport 小麦 organic fertilizer 燕麦 |
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| Publisher | 内蒙古农业大学农学院,呼和浩特 010019%巴彦淖尔市耕地质量监测保护中心,内蒙古巴彦淖尔 015000%内蒙古农牧业生态与资源保护中心,呼和浩特 010000 |
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| Title | 不同有机肥配施对小麦和燕麦镉积累、分配及转运的影响 |
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