摘要
本文以北京市昌平区草莓和苹果种植区为研究对象,系统研究了2006—2019年长期施用有机源土壤调理剂对不同土层深度土壤容重、有机质等土壤理化指标的影响,并研究了不同测算模型对土壤有机碳及固碳量等结果的影响。结果表明:长期施用有机源土壤调理剂显著提高了草莓和苹果种植区不同土层深度的容重和有机物含量(P<0.05);长期施用有机源土壤调理剂显著提高了草莓和苹果种植区有机碳的储量(P<0.05),其中草莓种植区的有机碳储量提高了89.58%,苹果种植区的有机碳储量提高了2.75倍;不同测算模型测算草莓和苹果种植区有机碳和固碳量的结果存在差异,与实测法相比,基于估算法(IPCC和Li等)的有机碳储量和土壤固碳量结果较低。本研究结果可为有机源土壤调理剂改良果园土壤和固碳潜力提供方法和理论支持。
In this paper,strawberry and apple planting areas in Changping District of Beijing City were taken as the research object,and the effect of long-term application of organic source soil conditioner on soil physical and chemical indexes such as soil bulk density and organic matter in different soil depths from 2006 to 2019 were studied.Moreover,the effects of different calculation models on soil organic carbon and soil carbon sequestration were studied.The results showed as follows:long-term application of organic source soil conditioner significantly increased the bulk density and organic matter content in different soil depths of strawberry and apple planting areas(P<0.05);long-term application of organic source soil conditioner significantly increased the organic carbon storage in strawberry and apple planting areas(P<0.05),and the organic carbon storage in strawberry planting area increased by 89.58%,and that in apple planting area increased by 2.75 times;different models had different results on soil organic carbon and soil carbon sequestration in strawberry and apple planting areas.Compared with the measured method in the current study,the results of organic carbon storage and soil carbon sequestration based on the estimation method(IPCC and Li et al)were lower.The results of this study could provide methodological and theoretical supports for the improvement of orchard soil and carbon sequestration potential by organic source soil conditioner.
作者
孙天晴
张文
于家伊
杨泽慧
刘艺
董利锋
SUN Tianqing;ZHANG Wen;YU Jiayi;YANG Zehui;LIU Yi;DONG Lifeng(China Certification and Accreditation Institute,State Administration for Market Regulation,Beijing 100020;Beijing Siliang Technology Co.,Ltd.,Beijing 100015;Feed Research Institute,Chinese Academy of Agricultural Sciences,Beijing 100081)
出处
《现代农业科技》
2022年第5期142-146,158,共6页
Modern Agricultural Science and Technology
基金
国家重点研发计划项目(2018YFC1509004,2017YFF0211701)。
关键词
有机源土壤调理剂
果园
有机碳
土壤固碳
测算模型
容重
有机质
organic source soil conditioner
orchard
organic carbon
soil carbon sequestration
calculation model
bulk density
organic matter
作者简介
孙天晴(1973—),女,陕西延长人,博士,副高级工程师,从事能源系统工程和低碳评价研究工作;通信作者:杨泽慧。
