1.表土;耕作层土壤
1.the layer of soil that is near the surface of the ground
1.Relation between Sulfur and Magnetic Parameters in Xuzhou Urban Topsoils and its Environmental Significance
徐州城市表层土壤中硫与磁学参数的关系及其环境意义
2.Study on the numerical value model of movement of water and salt in topsoils with different organic matter contents
表土不同有机质含量的土体水盐运动数值模拟研究
3.Assessments of agricultural eco-environmental quality of topsoils in Fuzhou City
福州市表层土壤农业生态环境质量评价
4.Magnetic Characteristics of Xuzhou Urban Topsoils
徐州城市表层土壤的磁学特征
5.HT humus content of topsoils
表土的腐殖质含量