Update of Cultivated Land Quality Grade Based on GIS—A Case Study of a County in Guangxi

• 作者: Mi Tang Mingyuan Liu Xiangwen Cai Yan Zhao Yuening Song
• 来源期刊: 土壤科学期刊(英文)
• 学科: 农学
• 关键词: CULTIVATED Land Quality Grade RENEWAL GIS A COUNTY GUANGXI
• 年，卷（期）: 2019,（12）
• 页码范围: 243-254
• 页数: 12页
• 分类号: S15

摘要

The quality of cultivated land has an important influence on agricultural output, food security, sustainable development and the ability of using cultivated land resources. As the trend of cultivated land quality is getting more and more attention, in order to strengthen the management of cultivated land quality, improve the precision of cultivated land quality and other achievements, and maintain the current situation of cultivated land quality and other achievements. For this paper, taking A county of Guangxi Zhuang Autonomous Region as an example, with the support of GIS, the paper studies the grade and grade renewal of cultivated land by using the superposition method, studies the grade and grade change of regional cultivated land and its spatial distribution, grasps the status quo change of cultivated land and the grade and grade change of cultivated land caused by the quality construction of cultivated land in the year, and then provides scientific data for land use plan, land consolidation and cultivates land protection.