drab soil

基本解释

Among the treatments, the utilization ratios of carbon sources by drab soil microbe had a little difference.
潮土各処理之間，微生物對碳源的利用率差異較小。
According to the character of configuration and microconfiguration, the paleosols may be divided into the brown earth, carbonate drab soil, drab soil and leached drab soil.
其地球化學特征和土壤磁學特性的研究表明，各古土壤類型之間和各發生層之間存在著顯著差異。
To the ratios of microbial biomass carbon to microbial biomass nitrogen, the black soil and drab soil were higher than red soil.
各処理間微生物商、微生物量氮佔全氮的比例和微生物量碳氮比之間的差異較小。