生物炭对土壤磷素循环影响机制研究进展

被引:37
作者
于姣妲 [1 ,2 ]
殷丹阳 [1 ,2 ]
李莹 [1 ,2 ]
周垂帆 [1 ,2 ]
机构
[1] 福建农林大学林学院
[2] 国家林业局杉木工程技术研究中心
基金
中国博士后科学基金;
关键词
生物炭; 吸附解吸; 酸碱度; 磷酸酶; 微生物; 磷素有效性;
D O I
10.15889/j.issn.1002-1302.2017.18.004
中图分类号
S156.2 [土壤改良剂];
学科分类号
090301 [土壤学];
摘要
土壤全磷含量较高而有效磷含量不足,是限制全球农业可持续发展的重要因素。生物炭作为一种新型的土壤改良剂,成为近年来研究的热点,是由于生物炭具备特殊的性质,施入土壤后会对土壤中磷的化学行为产生重要影响。鉴于此,结合国内外已有的研究成果和最新的进展,从不同条件下制备生物炭的磷素特征及其对土壤磷素吸附解吸、土壤酸碱度、磷素形态转化、土壤磷酸酶及微生物等的影响机制几个方面综述了国内外对生物炭影响土壤磷素有效性的研究现状,提出了目前在生物炭对土壤磷素影响的研究中存在的一些问题以及今后研究的热点,以期为增加土壤磷素的有效性、提高农作物的生产力、减少土壤中磷素流失对环境的污染,以及为生物炭在土壤环境中的管理应用提供理论资料,对解决世界农业生产中所引起的资源、环境和经济问题具有一定意义。
引用
收藏
页码:17 / 21
页数:5
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