Authors: Zhibin Xue*,
Topics: Land Use
Keywords: high-standard prime farmland;farmland quality;AHP-TOPSIS model; construction procedure.
Session Type: Lightning Paper
Start / End Time: 8:00 AM / 9:40 AM
Room: Hampton Room, Omni, East
Presentation File: No File Uploaded
Farmland is an important part of land resources. High-standard prime farmland development is responsible for many responsibilities such as relieving human and land conflicts, protecting national food security, increasing farmers' income, maintaining social stability, improving rural ecological environment and realizing agricultural modernization. The construction of high standard prime farmland is of great significance and far-reaching influence. This study takes Yichuan County of Henan Province as an example. Construct an index system covering soil thickness, soil texture, soil pH, organic matter content, soil ecological risk, altitude, slope, link degree, road density, irrigation condition, drainage condition. The evaluation index is weighted by analytic hierarchy process, and the comprehensive evaluation of the quality of farmland is realized according to the TOPSIS model, and the results are divided by natural breakpoint method. This study shows that the key construction area is 16019.74 hm2, which accounts for 28.91% of the total prime farmland area. The key reserve resource area is 23344.59 hm2, which accounts for 42.14% of the total prime farmland area. According to the evaluation results, the corresponding measures such as land renovation, irrigation and drainage project construction, field network construction, farmland protection forest construction, land ecological security protection and management are adopted to improve the quality of cultivated land in Yichuan County. This study puts forward a relatively complete evaluation and delimitation system, which provides a basis for the classification of the high standard prime farmland in this kind of region, and provides a reference for the protection of cultivated land resources.