RESPONSE OF SOIL AGGREGATE STABILITY TO STORAGE TIME OF SOIL SAMPLES

被引：0
|
作者：
GERZABEK, MH
ROSSNER, H
机构：
来源：
BODENKULTUR | 1993年 / 44卷 / 01期
关键词：
MICROBIAL ACTIVITY; SAMPLE STORAGE; SOIL AGGREGATE STABILITY; SOIL MOISTURE CONTENT;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The aim of the present study was to investigate the well known phenomenon of changing aggregate stability values as result of soil sample storage. In order to evaluate the impact of soil microbial activity, the soil sample was split into three subsamples. Two samples were sterilized by means of chloroform fumigation and gamma irradiation, respectively. However, the aggregate stability measurements at three different dates were not correlated with the microbial activity (dehydrogenase activity). The moisture content of the aggregate samples seems to be of higher significance. Samples with lower moisture content (range: 0.4 to 1.9 %) exhibited higher aggregate stabilities. Thus, airdried aggregate samples without further treatment don't seem to be suitable for standardized stability measurements.
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页码：1 / 5
页数：5
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