土壤学 - 2026 进行中

科目: 土壤学
级别: X (I级最简单，XII级最难)
类别: 大学生
试题语言: English
题数: 15
问题示例: Which soil-forming process involves the translocation and accumulation of carbonates within a lower horizon under semi-arid conditions? Podzolization, Laterization, Gleization, Calcification