degraded chernozem[土壤] 退化黑钙土;变质黑土;变质黑钙土;退化黑钙土
leached chernozem淋溶黑钙土;淋溶黑土
meadow chernozem草甸黑钙土
eluviation chernozem淋溶黑钙土
chernozem region黑土区
calcareous chernozem石灰性黑钙土
Themeadow Chernozem草甸黑土
chernozem stage黑土阶段
ordinary chernozem普通黑土
In this paper, the action intensity of nitrogen-fixing and denitrifying bacteria in chernozem polluted by heavy metals is determined with gas chromatographic method at the same time.
本文采用气相色谱法同时测定了重金属Cd、As、Pb和Cu污染黑土中固氮菌及反硝化菌的作用强度。
参考来源 - 期刊学术社区N(名词) a black soil, rich in humus and carbonates, in cool or temperate semiarid regions, as the grasslands of Russia 黑钙土