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Academic Journal of Environmental Biology, 2022, 3(3); doi: 10.38007/AJEB.2022.030301.

Spatial Characteristic Analysis and Variation Research of Cultivated Land Soil Based on GIS

Author(s)

Xiaohua Huang

Corresponding Author:
Xiaohua Huang
Affiliation(s)

Civil Aviation University of China, Tianjin, China

Abstract

Revealing the characteristics of soil nutrient space and studying the variation characteristics of soil nutrient space can provide a reliable theoretical basis for the precise management of soil nutrients. The purpose of this paper is to study the spatial characteristics analysis and changes of cultivated soil based on GIS. A spatial database was established and kriging interpolation was analyzed. To study the characteristics of the spatial variation of soil nutrients in the M area, select the optimal theoretical model, and conduct a detailed theoretical analysis of the spatial variation of the soil in the study area on the basis of ArcGIS 10.2 data. The contents of soil organic matter, total nitrogen, alkali-hydrolyzed nitrogen, available phosphorus and available potassium were profoundly affected by external factors; under anisotropy, the spatial correlation of each nutrient content hardly increased. The soil nutrients are generally higher in the north and lower in the south, and higher in the west and lower in the east. The distribution trend of available potassium in the region is not obvious, and there are high-value areas under different landforms.

Keywords

GIS Technology, Cultivated Soil, Spatial Characteristics, Characteristic Change

Cite This Paper

Xiaohua Huang. Spatial Characteristic Analysis and Variation Research of Cultivated Land Soil Based on GIS. Academic Journal of Environmental Biology (2022), Vol. 3, Issue 3: 1-8. https://doi.org/10.38007/AJEB.2022.030301.

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