论文部分内容阅读
陇东黑垆土存在“古耕层”的问题,曾经有过多次的争论,本文以大量的事实为根据,阐明了垆土层之上的覆盖层并非是人为的简单堆积,而是长期以来全新世至现代的沉积物。为进一步研究黑垆土类提供了充分的依据。
The problem of “ancient tillage layer” in Longdong black soil has existed for many times. Based on a large number of facts, this article shows that the overlying tillage layer is not a man-made simple accumulation, but a long-term Since the Holocene to modern sediment. It provides sufficient basis for further study of black soil soil.