ORIGINAL RESEARCH
Variation in Growth Characteristics
of Lolium Multiflorum
under Grass-Planting Concrete Stress
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National and Local Joint Engineering Laboratory of Hydraulic Engineering Safety and Efficient Utilization
of Water Resources in Poyang Lake Basin, Nanchang Institute of Technology, Nanchang 330099, China
Submission date: 2024-02-05
Final revision date: 2024-03-08
Acceptance date: 2024-04-13
Online publication date: 2024-07-23
Publication date: 2025-01-09
Corresponding author
Hui Jiang
National and Local Joint Engineering Laboratory of Hydraulic Engineering Safety and Efficient Utilization of Water Resources in Poyang Lake Basin, Nanchang Institute of Technology, China
Pol. J. Environ. Stud. 2025;34(2):1191-1205
KEYWORDS
TOPICS
ABSTRACT
Grass-Planting Concrete (GPC) represents a novel eco-friendly concrete material with distinct
physical and chemical differences compared to regular soil. The response of plant roots to the growth
environment provided by GPC is poorly understood. This study explores the strategies plants employ
in response to the stress imposed by GPC environments. Ryegrass is the focal point in this
study, utilizing planting experiments. Geometric morphological parameters, fractal dimensions,
and topological indices of root during three growth stages (elongation stage, heading stage, and
fruiting stage) were measured and calculated. The study analyzes changes in the configuration
characteristics of ryegrass root systems in GPC and soil media. Experimental results suggested that:
1) The morphological parameters of ryegrass root systems in GPC are greater than those in soil,
particularly during the elongation stage, with a notably higher degree of branch expansion in GPC media.
2) Root system configuration parameters in both media are positively correlated with the total root surface
area. The correlation between configuration parameters and branch density, number of branches, etc.,
is more robust in GPC media. 3) The total root length distribution decreases with depth in both media.
In GPC media, the peak total root length occurs in the 2~4 cm range, with deeper rooting reaching up
to 16 cm during the elongation stage. The stress effect of GPC was weakened over time. Plants enhance
their adaptive capabilities by strategically altering their morphological and structural characteristics.
The research findings provide theoretical and technical support for optimizing the structure and
vegetative performance of GPC.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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