Assessment of microbial activity and biomass in different soils exposed to nicosulfuron | Zendy

Ljiljana Šantrić | Zendy; Ljiljana Radivojević | Zendy; Gajic Umiljendic | Zendy; Rada Djurovic-Pejcev | Zendy; Marija SarićKrsmanović | Zendy

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Assessment of microbial activity and biomass in different soils exposed to nicosulfuron

Author(s) -

Ljiljana Šantrić,

Ljiljana Radivojević,

Gajic Umiljendic,

Rada Djurovic-Pejcev,

Marija SarićKrsmanović

Publication year - 2014

Publication title -

pesticidi i fitomedicina

Language(s) - English

Resource type - Journals

eISSN - 2406-1026

pISSN - 1820-3949

DOI - 10.2298/pif1403213s

Subject(s) - loam , phosphorus , microorganism , biology , agronomy , soil water , biomass (ecology) , bioassay , protease , chemistry , bacteria , enzyme , ecology , biochemistry , genetics , organic chemistry

The effects of the herbicide nicosulfuron on the abundance of cellulolytic and proteolytic\udmicroorganisms, activity of β-glucosidase and protease enzymes, and microbial phosphorus biomass\udwere examined. A laboratory bioassay was set up on two types of agricultural soils differing in\udphysicochemical properties. The following concentrations were tested: 0.3, 0.6, 3.0 and 30.0 mg\uda.i./kg of soil. Samples were collected 3, 7, 14, 30 and 45 days after treatment with nicosulfuron.\udThe results showed that nicosulfuron significantly reduced the abundance of cellulolytic\udmicroorganisms in both soils, as well as microbial biomass phosphorus in sandy loam soil.\udThe herbicide was found to stimulate β-glucosidase and protease activity in both types of\udsoil and microbial biomass phosphorus in loamy soil. Proteolytic microorganisms remained\udunaffected by nicosulfuron

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