暗棕壤

/ àn zōng rǎng /

1
dark brow forest soil
... danger zone 危险区 dark brow forest soil 暗棕壤 dark brown soil 暗棕钙土 ...
2
Dark-brown earths
... a dark purple-brown, 只是一团发紫的褐色 Dark-brown earths 暗棕壤 dark-brown eyes 深棕色的眼睛 ...
3
[土壤] dark brown soil
暗棕壤(dark brown soil), 此释义来源于网络辞典。

短语

1
通过室内培养试验研究了玉米秸秆在暗棕壤和水稻土中分解期间全土及不同结合态胡敏酸、富里酸数量的动态变化。
In a laboratory incubation experiment, timing change in amount of humic acid(HA) and fulvic acid(FA) was studied in dark-brown soil and paddy soil during corn stalk decomposition.
2
采用综合评分法对不同土质长白落松木材的有关指标进行制浆造纸性能的综合比较分析得出∶土壤为暗棕壤的长白落叶松用作造纸用材较好。
Comprehensive analysis of the relevant factors for papermaking by comprehensive evaluation method indicates that larch wood in dark brown soil is suitable for papermaking.
3
暗黄棕壤中含有少量三水铝石。
There is a small amount of gibbsite in the dark-yellow-brown soil.

暗棕壤
暗棕壤是在温带湿润季风气候和针阔混交林下发育形成的，剖面构型为O-AB-Bt-C，表层腐殖质积聚，全剖面呈中至微酸性反应，盐基饱和度60-80%，剖面中部粘粒和铁锰含量均高于其上下两层的淋溶土。暗棕壤又名暗棕色森林土，过去曾一度被称为棕色灰化土、灰棕壤。直到1960年，经第一次全国土壤普查，才正式确立为暗棕色森林土即暗棕壤。

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