广东省阳江—茂名地区水稻种植土地适宜性研究

Study on Land Suitability Evaluation of Rice Plantation in YangjiangMaoming Area of Guangdong

本研究借鉴土地适宜性评价相关研究成果和理论,在分析和研究地质背景、土壤类型、土壤理化性质的基础上,开展阳江-茂名地区水稻种植土地适宜性评价研究。结果表明:阳江-茂名地区最适宜种植区面积为2199.3 km2,占调查总面积的24.17%,其中富硒优质稻最适宜区面积为1171.6 km2,占最适宜种植区面积的53.27%;适宜种植区面积为5830.7 km2,占调查总面积的64.07%;次适宜种植区面积为1070.0 km2,占调查总面积的11.76%。

This paper analyze and study on the basis of geological background, soil types and soil physical and chemical properties, which draws on the relevant research results and theories of land suitability evaluation, and carry out land suitability evaluation o f rice planting in Yangjiang - Maoming area. The results show that in Yangjiang - Maoming area, the most suitable planting area is 21993 km2, accounting for 24.17% o f the total area of the survey; the Selenium enriched rice area is 1171.6 km^2, accounting for 53.27% o f the most suitable planting area; The suitable planting area is 5830.7 km^2, accounting for the total area o f 64.07%; Sub-suitable planting area is 1070 km^2, accounting for 11.76% of the total area of survey.