Spatial-temporal Evolution and Influencing Factors of Green Utilization Efficiency of Cultivated Land in Lower Liaohe Plain
Journal Title: Journal of Shenyang Agricultural University - Year 2025, Vol 56, Issue 1
Abstract
[Objective]This research examines the laws governing the evolution of green land-use efficiency in cultivated areas of the Liaohe Plain, both temporally and spatially, as well as the underlying factors. It aims to provide a scientific rationale for safeguarding national food security, promoting low-carbon emission reductions, and achieving sustainable agricultural economic development. [Methods]Utilizing the super-efficiency SBM model, we evaluated the green utilization efficiency of cultivated land across 32 agricultural counties (cities, districts) within the lower Liaohe Plain, spanning from 2009 to 2022, and the spatial autocorrelation and the Tobit model, alongside other analytical tools, was employed to investigate the characteristics of the evolution in temporal and spatial patterns, as well as the factors influencing the efficiency of green land utilization across various counties(cities, districts). [Results]The findings indicate that the mean efficiency of green land utilization in the Liaohe Plain's lower region stands at 1.014, most of which are above the optimal state, and the efficiency level shows a slight decline. There is a significant positive spatial correlation between the green utilization efficiency of cultivated land in the study area; A certain level of spatial clustering is observed in the efficiency of green land utilization for cultivated areas within the study region, but the agglomeration effect in most areas is not significant, and with the passage of time, the agglomeration areas continue to migrate. The efficiency of green land utilization for cultivated land in the lower Liaohe Plain exhibits a slight inverted U-shaped trend, transitioning from the western to the eastern regions, and it is slightly higher in the west. It is U-shaped from south to north, and slightly higher in the south. [Conclusion] Through Tobit model analysis, the conclusion drawn is that the size of per capita farmland held by rural inhabitants and government support for agriculture has a beneficial effect on enhancing the efficiency of green land use for cultivated land. Conversely, several factors exert a detrimental influence on this efficiency, including the level of land cultivation intensity, the area-based utilization rate of agricultural machinery, and the average per capita disposable income of rural residents. The current situation reveals notable disparities in the green utilization efficiency of cultivated land across the lower Liaohe Plain. In the future, we should optimize the efficiency of resource allocation, foster regional collaboration, it is essential to establish a synergistic mechanism and harness the exemplary role of high-potential areas, and promote the green utilization efficiency of cultivated land in various regions.
Authors and Affiliations
HAN Xiaochen, LIU Yuting
Keywords
Related Articles
- EP ID EP764967
- DOI DOI:10.3969/j.issn.1000-1700.2025.01.015
- Views 5
- Downloads 0
Fine Segmentation Method for Plant Leaf Disease Spots Based on Deep Learning
[Objective]In order to solve the problem of poor segmentation accuracy of small target disease spots and disease spot edges in plant leaves, and to achieve accurate assessment of the severity of plant leaf diseases, a r...
Study on Counting Method of on Panicle Rice Grains Based on Deep Learning
[Objective]Rice grain counting is a crucial step in rice seed testing. To address the inefficiencies and errors associated with traditional manual counting of rice grains, this study constructed an in-situ counting mode...
Effect of Aviation Spray Adjuvants on Physicochemical Properties and Efficacy of 2.5% Jinggangmycin·Bacillus cereus AS in Controlling Rice Sheath Blight Using a UAV Sprayer
[Objective]Through the study of physicochemical properties and control effect of 2.5% Jinggangmycin·Bacillus cereus (JG·BC) for rice sheath blight, the suitable aviation spray adjuvants were screened for 2.5% JG·BC AS. [...
Exploring QTL for Early Heading of Weedy Rice Based on High-density Genetic Map
[Objective]The heading date of rice (Oryza sativa L.) is a quantitative trait regulated by multiple genes, which affects the yield and quality of rice, and determines the planting area and distribution range, heading mar...
Big Data Platform for Comprehensive Supervision of Laying Hens Industry: Framework, Technology, and Application
[Objective]The high-quality development of the laying hens industry plays an important role in the construction of a modern industrial system and the comprehensive realization of rural revitalization in China. In respon...