Evolution characteristics and improvement technology research progress of soil acidification in southern China from 1950 to 2020

doi:10.16178/j.issn.0528-9017.20240775

Abstract

Abstract:

Since the 1950s, the area of acidic soils in southern China has significantly increased, leading to increasingly severe adverse effects on soil fertility, crop growth, yield and quality, food security, agricultural economy, and the ecological environment. In southern China, heavy and concentrated rainfall leads to severe land erosion and nutrient leaching, resulting in significant loss of alkaline soil components such as calcium, magnesium, and potassium. The combined effects of acid rain caused by industrial production and improper farming practices in agricultural activities further exacerbate soil acidification in southern China. This paper provided a detailed analysis of the characteristics of soil acidification in southern China across different historical periods, from the perspectives of temporal development and regional differences. It summarized the control and mitigation technologies for soil acidification, along with advancements in related research fields, and forecasted future research trends in soil acidification. The aim is to support in-depth exploration of the formation mechanisms of soil acidification, optimization of predictive models, and the promotion of effective soil acidification management methods, thereby effectively curbing and reversing the trend of soil acidification.

Key words: soil acidification, evolution characteristic, driving factors, acidification remediation technology

CLC Number:

S156

NI Jinyang, WANG Feng, YU Qiaogang, ZHOU Jun, SUN Wanchun, MA Shitai, LYU Yongjie, MA Junwei. Evolution characteristics and improvement technology research progress of soil acidification in southern China from 1950 to 2020[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(1): 231-242.

Figures/Tables 2

References 84

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