Intracellular and extracellular urease and dehydrogenase activities of soil

被引：0
|
作者：
Ciardi, C [1 ]
机构：
[1] CNR, Ist Chim Terreno, Pisa, Italy
来源：
AGROCHIMICA | 1998年 / 42卷 / 3-4期
关键词：
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The aim of this work was to identify intra- and extracellular contributions to dehydrogenase and urease activities of three soils in two different conditions: air-dried and fresh samples. Microbial activity and growth were stimulated by additing glucose and potassium nitrate to soil samples. Dehydrogenase activity was always higher (3-5 times) in the air-dried than in fresh samples while urease activity was higher in fresh than in air-dried samples. It is furthermore confirmed that the approach of determining the extracellular activity by relating enzyme activity versus ATP content is not always correct.
引用
收藏
页码：118 / 125
页数：8
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