| 氮肥与有机肥配施对设施土壤腐殖质组分的影响 |
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| 引用本文： | 孙 莹,侯 玮,迟美静,虞 娜,范庆峰,邹洪涛,张玉玲.氮肥与有机肥配施对设施土壤腐殖质组分的影响[J].土壤学报,2019,56(4):940-952. |
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| 作者姓名： | 孙 莹 侯 玮 迟美静 虞 娜 范庆峰 邹洪涛 张玉玲 |
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| 作者单位： | 沈阳农业大学土地与环境学院，农业部东北耕地保育重点实验室， 土肥资源高效利用国家工程实验室,沈阳农业大学土地与环境学院，农业部东北耕地保育重点实验室， 土肥资源高效利用国家工程实验室,沈阳农业大学土地与环境学院，农业部东北耕地保育重点实验室， 土肥资源高效利用国家工程实验室,沈阳农业大学土地与环境学院，农业部东北耕地保育重点实验室， 土肥资源高效利用国家工程实验室,沈阳农业大学土地与环境学院，农业部东北耕地保育重点实验室， 土肥资源高效利用国家工程实验室,沈阳农业大学土地与环境学院，农业部东北耕地保育重点实验室， 土肥资源高效利用国家工程实验室,沈阳农业大学土地与环境学院，农业部东北耕地保育重点实验室， 土肥资源高效利用国家工程实验室 |
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| 基金项目： | 国家科技支撑计划项目（2015BAD23B01）资助 |
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| 摘 要： | 以连续5a设施番茄栽培定位施肥田间试验为依托,选择施氮量0、187.5、375.0、562.5kg·hm~(-2)(N0、N1、N2、N3)及氮肥与有机肥(M:75000kg·hm~(-2))配施(MN0、MN1、MN2、 MN3) 8个处理,研究了不同施氮及氮肥与有机肥配施处理土壤总有机碳(Total organic carbon,TOC)和水溶性有机碳(Water soluble organic carbon,WSOC)的含量及其剖面分布,土壤松/稳结态胡敏酸碳(Humic acid carbon,HA-C)和富里酸碳(Fulvic acid carbon,FA-C)含量、组成及其剖面分布。结果表明:各施肥处理TOC、WSOC、稳结态胡敏酸碳(HA_2-C)和稳结态富里酸碳(FA_2-C)含量均随土层深度增加呈逐渐下降趋势,而松结态胡敏酸碳(HA1-C)和松结态富里酸碳(FA_1-C)含量均随土层深度增加呈先增加后逐渐下降趋势。与单施氮肥处理相比,氮肥与有机肥配施处理均使0～50 cm土壤TOC、WSOC、HA_1-C、FA_1-C和HA_2-C含量有所提高,其提高幅度分别为12.44%～87.38%、11.01%～168.32%、10.15%～235.54%、2.41%～205.21%和3.42%～92.61%;同时也显著提高了0～20 cm土层HA/FA及PQ(HA占(HA+FA)的比例)(P 0.05),使0～20 cm土层HA_1、HA_2和FA_1的C/N比增加,FA_2的C/N比略有下降,HA的E_4/E_6(在波长为465nm和665nm处吸光度的比值)降低,FA的E_4/E_6增加。本设施番茄栽培田间试验条件下,连续5 a氮肥与有机肥配施不仅显著提高了0～20 cm土壤有机碳数量,而且有利于FA向HA转化,促进胡敏酸的形成与累积,尤其是松结态胡敏酸的形成与累积,进而使土壤有机碳品质得到明显改善。
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| 关 键 词： | 设施土壤 连续定位施肥 松结态腐殖质 稳结态腐殖质 PQ |
| 收稿时间： | 2018/6/24 0:00:00 |
| 修稿时间： | 2018/9/28 0:00:00 |
Effect of Combined Application of Nitrogen Fertilizer and Organic Manure on Soil Humus Composition in Greenhouse |
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| SUN Ying,HOU Wei,CHI Meijing,YU N,FAN Qingfeng,ZOU Hongtao and ZHANG Yuling.Effect of Combined Application of Nitrogen Fertilizer and Organic Manure on Soil Humus Composition in Greenhouse[J].Acta Pedologica Sinica,2019,56(4):940-952. |
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| Authors: | SUN Ying HOU Wei CHI Meijing YU N FAN Qingfeng ZOU Hongtao and ZHANG Yuling |
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| Institution: | College of Land and Environment, Shenyang Agricultural University; Key Laboratory of Arable Land Conservation (Northeast China), Ministry of Agriculture; National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources,College of Land and Environment, Shenyang Agricultural University; Key Laboratory of Arable Land Conservation (Northeast China), Ministry of Agriculture; National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources,College of Land and Environment, Shenyang Agricultural University; Key Laboratory of Arable Land Conservation (Northeast China), Ministry of Agriculture; National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources,College of Land and Environment, Shenyang Agricultural University; Key Laboratory of Arable Land Conservation (Northeast China), Ministry of Agriculture; National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources,College of Land and Environment, Shenyang Agricultural University; Key Laboratory of Arable Land Conservation (Northeast China), Ministry of Agriculture; National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources,College of Land and Environment, Shenyang Agricultural University; Key Laboratory of Arable Land Conservation (Northeast China), Ministry of Agriculture; National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources,College of Land and Environment, Shenyang Agricultural University; Key Laboratory of Arable Land Conservation (Northeast China), Ministry of Agriculture; National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources |
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| Abstract: | |
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| Keywords: | Greenhouse soil Consecutive stationary fertilization Loosely combined humus Stably combined humus PQ |
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