宁夏农田土壤有机碳特征及提升机理研究  

A Study on Characteristics and Enhancement Mechanism of Organic Carbon in Farmland Soils in Ningxia

作　　者：周涛[1] 郭鑫年[2] 李百云[3] 许泽华[3] 邢润东 Zhou Tao;Guo Xinnian;Li Baiyun;Xu Zehua;Xing Rundong(Ningxia Academy of Agriculture and Forestry Sciences,Yinchuan,Ningxia 750002;Institute of Agricultural Resources and Environment,Ningxia Academy of Agriculture and Forestry Sciences,Yinchuan,Ningxia 750002;Horticultural Institute,Ningxia Academy of Agriculture and Forestry Sciences,Yinchuan,Ningxia 750002)

机构地区：[1]宁夏农林科学院,宁夏银川750002 [2]宁夏农林科学院农业资源与环境研究所,宁夏银川750002 [3]宁夏农林科学院园艺研究所,宁夏银川750002

出　　处：《宁夏农林科技》2024年第5期44-49,55,共7页Journal of Ningxia Agriculture and Forestry Science and Technology

基　　金：宁夏回族自治区重点研发计划项目“引黄灌区高标准农田地力提升技术研究与应用”(2023BCF01049);宁夏回族自治区自然科学基金项目“典型灌淤土微生物残体对氮肥输入的响应机制”(2023AAC03431)。

摘　　要：有机碳是土壤质量与肥力的核心,直接影响着土壤物理、化学和生物学性质的变化过程,提升土壤有机碳是维持农田土壤肥力的重要途径。基于相关调查研究,分析了宁夏农田土壤有机碳及其腐殖质碳组分的含量特征与土壤养分之间的相关性,阐述了宁夏农田有机碳提升研究需要揭示的机制问题,提出农田土壤有机碳提升机理的研究方向,旨在为宁夏农田土壤有机碳提升技术的不断优化提供理论依据。Organic carbon is the core of soil quality and fertility,and directly affects the change process of soil physical,chemical and biological properties.Improving soil organic carbon pool is an important way to maintain sustainable agricultural development.Based on the relevant investigation and research,the content characteristics of soil organic carbon and its humus carbon components in Ningxia farmland and the correlation between them and soil nutrients are analyzed,the mechanism issues that need to be revealed in the study of farmland organic carbon enhancement in Ningxia are expounded,and the research direction of farmland organic carbon enhancement mechanism is proposed,aiming to provide theoretical basis for the continuous optimization of farmland organic carbon enhancement technology in Ningxia.

关 键 词：有机碳 腐殖质碳 提升机制 宁夏农田土壤 

分 类 号：S153.6[农业科学—土壤学]