Chemical Properties of Soils and its Impact on Plant Growth

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant–Soil Interactions".

Deadline for manuscript submissions: 30 December 2025 | Viewed by 224

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Department of Crop Production and Agri-Technology, Murcia Institute of Agri-Food Research and Development (IMIDA), C/Mayor s/n, 30150 Murcia, Spain
Interests: agronomy; agriculture; crop protection; horticulture; stress abiotic; hidromulch
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Special Issue Information

Dear Colleagues,

The physical and chemical properties of soil play a central role in plant growth, affecting the supply of air, nutrients and water, and soil fertility, the ability to support plant production, is created via the interaction of physical, chemical and biological processes. Among these properties, soil texture, pH and organic matter have a significant impact on soil function and water and nutrient supply. In terms of chemical properties, nitrogen and calcium carbonate are the two most important nutrients in crop production, playing key roles in cell structure and plant metabolism, ultimately affecting the content and quality of plant secondary metabolites.

This Special Issue aims to create a representative and updated collection of research articles and reviews regarding the chemical properties of soils and their impact on plant growth.

Dr. Josefa Lopez-Marin
Guest Editor

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Keywords

  • chemical properties
  • soils
  • plant growth

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Published Papers (1 paper)

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Research

17 pages, 2596 KiB  
Article
Long-Term Effects of Nitrogen and Lime Application on Plant–Microbial Interactions and Soil Carbon Stability in a Semi-Arid Grassland
by Kwenama Buthelezi and Nkosinomusa Buthelezi-Dube
Plants 2025, 14(9), 1302; https://doi.org/10.3390/plants14091302 - 25 Apr 2025
Abstract
This study investigated the long-term (70 years) effects of N fertilisation (ammonium nitrate [AN], ammonium sulphate [AS]) at 70 and 211 kg N kg/ha, and liming (L) on plant–microbial interaction and soil carbon stability in a semi-arid grassland in South Africa. Aboveground biomass [...] Read more.
This study investigated the long-term (70 years) effects of N fertilisation (ammonium nitrate [AN], ammonium sulphate [AS]) at 70 and 211 kg N kg/ha, and liming (L) on plant–microbial interaction and soil carbon stability in a semi-arid grassland in South Africa. Aboveground biomass increased with N addition, particularly AN211, showing a 119% increase compared to the control, while both liming and N applications increased belowground biomass. Nitrogen addition significantly altered plant stoichiometric ratios, with root N ratios showing greater treatment-induced variation (12.7–51.3) than shoot N ratios (10.2–16.8). Microbial biomass carbon peaked with AN70 treatment, while dehydrogenase activity was highest in lime-only plots but suppressed in non-limed N treatments. Conversely, urease activity was highest in the control group and suppressed in most fertilised treatments. Despite increased biomass production, SOC remained unchanged across treatments (49.7–57.6 g/kg), whereas soil pH was lowest (<3.5) and highest (>6) under N fertilisation and lime, respectively. PCA revealed distinct clustering of treatments, with N forms differentially affecting plant allocation patterns and microbial parameters. This study demonstrates that plant–soil–microbe stoichiometric imbalances and pH-induced limitations on microbial function explain the disconnect between plant productivity and carbon sequestration in this semi-arid grassland ecosystem. Full article
(This article belongs to the Special Issue Chemical Properties of Soils and its Impact on Plant Growth)
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