不同有机物料在植烟土壤中的腐解及活性有机碳、氮含量的变化
采取田间原位尼龙网袋埋土法,研究油籽饼及苕子、油菜、小麦、玉米等有机物料埋土还田后,在植烟土壤中的腐解速率、各期残留物料中的活性有机C、N含量的变化及其与腐解速率的关系.结果表明,油籽饼及苕子等不同有机物料埋土还田后的腐解速率表现为早期快后期慢.不同有机物料腐解速率的大小表现为油籽饼＞苕子＞小麦秸秆和油菜秸秆＞玉米秸秆,腐解速率与全N含量呈极其显著直线正相关,与活性有机C/N比值呈极其显著负相关,而与活性有机C含量之间的没有相关性.随着腐解时间推移,油菜、苕子、小麦、玉米等秸秆中活性有机C含量、全N含量呈增加趋势,活性有机C/N比值呈下降趋势,而油籽饼则相反....
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| Published in | 西南农业学报 Vol. 27; no. 4; pp. 1616 - 1620 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
云南省农业科学院农业环境资源研究所,云南昆明,650205%云南省烟草公司曲靖市公司技术中心,云南曲靖,654000
2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
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| Abstract | 采取田间原位尼龙网袋埋土法,研究油籽饼及苕子、油菜、小麦、玉米等有机物料埋土还田后,在植烟土壤中的腐解速率、各期残留物料中的活性有机C、N含量的变化及其与腐解速率的关系.结果表明,油籽饼及苕子等不同有机物料埋土还田后的腐解速率表现为早期快后期慢.不同有机物料腐解速率的大小表现为油籽饼＞苕子＞小麦秸秆和油菜秸秆＞玉米秸秆,腐解速率与全N含量呈极其显著直线正相关,与活性有机C/N比值呈极其显著负相关,而与活性有机C含量之间的没有相关性.随着腐解时间推移,油菜、苕子、小麦、玉米等秸秆中活性有机C含量、全N含量呈增加趋势,活性有机C/N比值呈下降趋势,而油籽饼则相反. |
|---|---|
| AbstractList | 采取田间原位尼龙网袋埋土法,研究油籽饼及苕子、油菜、小麦、玉米等有机物料埋土还田后,在植烟土壤中的腐解速率、各期残留物料中的活性有机C、N含量的变化及其与腐解速率的关系.结果表明,油籽饼及苕子等不同有机物料埋土还田后的腐解速率表现为早期快后期慢.不同有机物料腐解速率的大小表现为油籽饼＞苕子＞小麦秸秆和油菜秸秆＞玉米秸秆,腐解速率与全N含量呈极其显著直线正相关,与活性有机C/N比值呈极其显著负相关,而与活性有机C含量之间的没有相关性.随着腐解时间推移,油菜、苕子、小麦、玉米等秸秆中活性有机C含量、全N含量呈增加趋势,活性有机C/N比值呈下降趋势,而油籽饼则相反. S572.05; 采取田间原位尼龙网袋埋土法,研究油籽饼及苕子、油菜、小麦、玉米等有机物料埋土还田后,在植烟土壤中的腐解速率、各期残留物料中的活性有机C、N含量的变化及其与腐解速率的关系.结果表明,油籽饼及苕子等不同有机物料埋土还田后的腐解速率表现为早期快后期慢.不同有机物料腐解速率的大小表现为油籽饼＞苕子＞小麦秸秆和油菜秸秆＞玉米秸秆,腐解速率与全N含量呈极其显著直线正相关,与活性有机C/N比值呈极其显著负相关,而与活性有机C含量之间的没有相关性.随着腐解时间推移,油菜、苕子、小麦、玉米等秸秆中活性有机C含量、全N含量呈增加趋势,活性有机C/N比值呈下降趋势,而油籽饼则相反. |
| Author | 鲁耀 郑波 段宗颜 李祖红 解燕 邱学礼 王建新 |
| AuthorAffiliation | 云南省农业科学院农业环境资源研究所,云南昆明650205 云南省烟草公司曲靖市公司技术中心,云南曲靖654000 |
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| Author_FL | QIU Xue-li DUAN Zong-yan WANG Jian-xin LI Zu-hong XIE Yan ZHENG Bo LU Yao |
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| ClassificationCodes | S572.05 |
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| DocumentTitleAlternate | Decomposing and Activity Organic Carbon and Nitrogen Content of Different Organic Materials in Tobacco Soil |
| DocumentTitle_FL | Decomposing and Activity Organic Carbon and Nitrogen Content of Different Organic Materials in Tobacco Soil |
| EndPage | 1620 |
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| Keywords | Decomposing rate 活性有机C 腐解速率 Organic materials Active organic carbon C/N ratio 有机物料 C/N比 |
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| Notes | Organic materials; Decomposing rate; Active organic carbon; C/N ratio 51-1213/S The decomposing rate of oilseed cheek and crop straw, the active organic carbon and nitrogen content change of residual straw ma- terial in every decomposing periods ,and its relationship with the decomposing rate were studied by the method of nylon mesh bags buried in tobacco soil. The results indicated that the oilseed cheek and crop straws decomposed quickly in the early and slowly in the late after buried in the soils. The order of decomposing rate of different organic materials was oilseed cheek 〉 vetch 〉 wheat straw and oilseed straw 〉 corn straw. There was an extremely significant and positive correlation in straight line between the decomposing rate and total nitrogen content, and an extremely significant negative correlation with the active organic C/N ratio. While there was no correlation between the active organic carbon content and the decomposing rat. The active organic carbon and total nitrogen content of oilseed, vetc |
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| PublicationTitle | 西南农业学报 |
| PublicationTitleAlternate | Southwest China Journal of Agricultural Sciences |
| PublicationTitle_FL | Southwest China Journal of Agricultural Sciences |
| PublicationYear | 2014 |
| Publisher | 云南省农业科学院农业环境资源研究所,云南昆明,650205%云南省烟草公司曲靖市公司技术中心,云南曲靖,654000 |
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| Snippet | 采取田间原位尼龙网袋埋土法,研究油籽饼及苕子、油菜、小麦、玉米等有机物料埋土还田后,在植烟土壤中的腐解速率、各期残留物料中的活性有机C、N含量的变化及其与腐解速率的关... S572.05; 采取田间原位尼龙网袋埋土法,研究油籽饼及苕子、油菜、小麦、玉米等有机物料埋土还田后,在植烟土壤中的腐解速率、各期残留物料中的活性有机C、N含量的变化及其与腐解... |
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| StartPage | 1616 |
| SubjectTerms | C/N比 有机物料 活性有机C 腐解速率 |
| Title | 不同有机物料在植烟土壤中的腐解及活性有机碳、氮含量的变化 |
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