Solarization makes a great impact on the abundance and composition of microbial communities in soil

被引：14
|
作者：
Yokoe, Kazunori [1 ]
Maesaka, Masahiro [2 ]
Murase, Jun [3 ]
Asakawa, Susumu [3 ]
机构：
[1] Nagoya Univ, Sch Agr Sci, Soil Biol & Chem, Chikusa Ku, Nagoya, Aichi 4648601, Japan
[2] Nagoya Univ, Grad Sch Bioagr Sci, Togo Field, Field Sci Ctr, Togo, Aichi 4700151, Japan
[3] Nagoya Univ, Grad Sch Bioagr Sci, Soil Biol & Chem, Chikusa Ku, Nagoya, Aichi 4648601, Japan
来源：
SOIL SCIENCE AND PLANT NUTRITION | 2015年 / 61卷 / 04期
关键词：
solarization; soil microbial communities; microbial biomass carbon; ammonia-oxidizing bacteria; GEL-ELECTROPHORESIS ANALYSIS; EXTRACTION METHOD; POPULATIONS; BACTERIA;
D O I：
10.1080/00380768.2015.1048183
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Effects of solarization on microbial communities in soil were investigated with an incubation experiment and in a greenhouse experiment with isolated bed culture of tomato (Solanum lycopersicum L.) by molecular techniques. Microbial biomass carbon in soil was decreased by about half in the incubation experiment treated with 45 degrees C for 14days and the greenhouse experiment with solarization for 45days. Bacterial and fungal communities in soil were affected by the heat and solarization treatments in both the experiments and greatly different from the communities in the unheated soil or the soil before solarization. Copy number of amoA gene of ammonia-oxidizing bacteria in soil was decreased to one-tenth or less by the treatments in both the experiments. This study revealed that the solarization made a great impact on the abundance and composition of microbial communities in soil.
引用
收藏
页码：641 / 652
页数：12
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