THE EFFECT OF SYNTHETIC SOIL CONDITIONERS ON MICROBIAL BIOMASS

被引：18
|
作者：
STEINBERGER, Y
SARIG, S
NADLER, A
BARNES, G
机构：
[1] Department of Life Sciences, Bar-Ilan University, Ramat Gan
[2] Soil and Water Institute, ARO The Volcani Center, Bet-Dagan
[3] Department of Life Sciences, Bar-Ilan University, Ramat Gan
来源：
ARID SOIL RESEARCH AND REHABILITATION | 1993年 / 7卷 / 03期
关键词：
LOAMY SOIL; MICROBIAL BIOMASS; POLYACRYLAMIDE (PAM); SANDY SOIL; SOIL CONDITIONERS;
D O I：
10.1080/15324989309381360
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effect of polyacrylamide (PAM) (synthetic soil conditioners) application on soil microbial biomass carbon was examined under greenhouse conditions. Two types of anionic PAMs (2J and 21J) were mixed with two types of soils (sandy soil and loamy soil) in various concentrations of the polymers. After 5 days of incubation, the soils were analyzed. The two PAMs have different effects on the microbial biomass: In 21J the amount of biomass was lowered due to an increase in polymer concentration, whereas in 2J the response exhibited a parabolic-shaped curve. The results indicate unpredictable changes in soil microbial biomass due to the application of different synthetic soil conditioners.
引用
收藏
页码：303 / 306
页数：4
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