不同施肥模式对土壤磷酸酶及其功能基因影响的研究进展

doi:10.16178/j.issn.0528-9017.20240642

摘要/Abstract

摘要：

土壤中磷素储量大,但其中约95%不能被植物直接吸收利用。磷矿产资源不可再生,随着人口的增长以及对粮食需求的不断增加,未来我们可能面临严重的磷资源危机。活化土壤中的难溶性磷,提高土壤磷的生物有效性,高效利用土壤中潜在的磷资源,对农业绿色可持续发展具有重要意义。本文总结了近5 a来农田不同施肥模式对土壤磷组分、phoD和pqqc基因丰度和磷酸酶的影响,梳理了土壤磷转化的关键影响因素,比较了不同施肥模式对磷素转化的微生物机理,以及微生物活化磷素过程的调控因素,分析了不同磷源对土壤环境的影响,以期为剖析磷转化的相关机理、减少磷素损失、提高磷肥利用率提供理论依据。

关键词: 有效磷, 生物质炭, 有机肥, 酸性磷酸酶, 碱性磷酸酶, phoD基因, pqqc基因

Abstract:

Although the total phosphorus content in soil is generally high, about 95% of phosphorus cannot be directly absorbed and utilized by plants. Meanwhile, phosphorus mining resources are limited and can't be reproduced. There could be a seriously potential phosphorus crisis in the future with the increasing of the population and the demand for food. Therefore, activating the insoluble phosphorus in soil, improving the phosphorus bioavailability of soil and efficiently utilizing potential phosphorus resources in soil are of great significance to the sustainable development of agriculture. In this review, the changes of phosphorus components, phoD and pqqc gene abundance and phosphatase in soil with different fertilization patterns in farmland in the past five years were summarized. In order to provide a theoretical basis for analyzing the relevant mechanism of phosphorus conversion, reducing phosphorus loss and improving phosphate fertilizer utilization, the key influencing factors of soil phosphorus conversion were sorted out, the microbial mechanism of phosphorus conversion by different fertilization patterns and the regulatory factors of microbial phosphorus activation process were compared, and the influence of different phosphorus sources on the soil environment was analyzed.

Key words: available phosphorus, biochar, organic fertilizer, acid phosphatase (ACP), alkaline phosphatase (ALP), phoD gene, pqqc gene

中图分类号:

S158.5

李辉, 林继彤, 邵祺, 娄燕宏, 王会, 杨全刚, 潘红, 诸葛玉平. 不同施肥模式对土壤磷酸酶及其功能基因影响的研究进展[J]. 浙江农业科学, 2025, 66(8): 2032-2038.

LI Hui, LIN Jitong, SHAO Qi, LOU Yanhong, WANG Hui, YANG Quangang, PAN Hong, ZHUGE Yuping. Progress of effect of various fertilization patterns on soil phosphatase and its functional genes[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(8): 2032-2038.

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