关于土地资源质量

本文在阐述土地资源质量概念的基础上,结合相关学科理论,重点论述了反映土地资源质量的两方面内容;一是空间形态特征,包括起伏量、坡度、坡长、坡形及侵蚀和沉积程度;二是物质特征,包括土体构型、结构质地、物理性质、物质组分、化学性质以及生态功能等

ON THE QUANLITY OF LAND RESOURCES

Based on discussion on the concept of the quality of land resources, the authors analyzed two aspects, which could show the character of the quality of land resources One is the space character which includes the relief volume,the degree, length and form of slope,and degree of erosion and deposition The other is the material character which includes the formation type, structure, texture, material composition, physical and chemical property, the ecological function,etc In view of these above mentioned factors, the quality of land resouces will became a future trend of the land course study to utilize the theory of all related science