Results 241 to 250 of about 7,858,761 (297)

Enzyme activities in manured soils

Biological Wastes, 1988
Abstract The effect of manures processed anaerobically (maize stalks and cow dung fermented for varying periods during biogas generation) and aerobically (compost and farmyard manure) on the activities of dehydrogenase and nitrogenase in clay loam and sandy soils was studied.
M.M. El-Shinnawi, S.A. El-Shimi, M.A. Badawi   +2 more
openaire   +1 more source

Laccase activity in soils: Considerations for the measurement of enzyme activity

Chemosphere, 2012
Laccases (benzenediol: oxygen oxidoreductases, EC 1.10.3.2) are copper-containing enzymes that catalyze the oxidative conversion of a variety of chemicals, such as mono-, oligo-, and polyphenols and aromatic amines. Laccases have been proposed to participate in the transformation of organic matter and xenobiotics as well as microbial interactions ...
Ivana, Eichlerová, Jaroslav, Šnajdr, Petr, Baldrian   +2 more
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Enantioselective effects of metalaxyl on soil enzyme activity

Chirality, 2016
AbstractThe enantioselective effects of the chiral pesticide metalaxyl on soil enzyme activity were investigated. Incubation experiments were conducted to investigate the effects of metalaxyl enantiomers at different concentrations on the activities of urease, invertase, and catalase as well as the type of activity change (activation vs. inhibition) at
Heng, Yue, Song, Fang, Yizhi, Zhang, Yang, Ning, Weisong, Yu, Fanyu, Kong, Jun, Qiu   +6 more
openaire   +2 more sources

Effect of Pretilachlor on Soil Enzyme Activities in Tropical Rice Soil

Bulletin of Environmental Contamination and Toxicology, 2016
Pretilachlor treatments, namely, recommended dose at 600 g a.i. ha-1 (RD), double the recommended dose at 1200 g a.i. ha-1 (2RD), ten times of the recommended dose at 6000 g a.i. ha-1 (10RD) along with control, were used to study the effects of pretilachlor on soil enzymes in tropical rice soil.
Subhashree, Sahoo, Totan, Adak, Torit B, Bagchi, Upendra, Kumar, Sushmita, Munda, Sanjoy, Saha, J, Berliner, Mayabini, Jena, B B, Mishra   +8 more
openaire   +2 more sources

Soil Enzyme Activities and Soil Fertility Dynamics

2012
Soil fertility dynamics have been an interesting area in unravelling the diverse complexities involved with dynamic soil-plant relationship. Soil enzymes have been proven as the sensor against minutest edaphic, microbiological and biochemical changes in addition to soil ­contamination, often called nutrient cycling either as a result of intrinsic ...
Lijuan Yang, Yulong Zhang, Fusheng Li
openaire   +1 more source

Enzyme Activities and Microbiological and Biochemcial Processes in Soil

2002
Marcel Dekker, new York (The publisher)
NANNIPIERI, PAOLO, E. KANDELER, P. RUGGIERO   +2 more
openaire   +2 more sources

Effects of perchloroethylene soil pollution on soil enzyme activities

2011 International Conference on Electric Technology and Civil Engineering (ICETCE), 2011
Simulated experiments were conducted to study the eco-toxicology effects of perchloroethylene (PCE) pollutant on three main soil enzyme activities: protease, urease and catalase. The results showed that, increasing the initial PCE concentration resulted in higher inhibition effect on both protease and urease activities.
Aiqin Shan, Aikuan Wang, Jing Cai, null Li Haihua, Honglin Tao   +4 more
openaire   +1 more source

Influence of boscalid on the activities of soil enzymes and soil respiration

European Journal of Soil Biology, 2014
Using fluorimetric microplate enzyme assay, the effects of a novel fungicide, boscalid, on the activities of the four soil enzymes related directly to the C-cycling and P-cycling were investigated thoroughly over a period of 60 days. The results suggested that 10–200 mg kg−1 boscalid significantly inhibited phosphatase activity during the whole course ...
Dan Xiong, Yajin Li, Yanmei Xiong, Xiaobing Li, Yu Xiao, Zhaohai Qin, Yumei Xiao   +6 more
openaire   +1 more source

Bacterial communities and enzyme activities of PAHs polluted soils

Chemosphere, 2004
Three soils (i.e. a Belgian soil, B-BT, a German soil, G, and an Italian agricultural soil, I-BT) with different properties and hydrocarbon-pollution history with regard to their potential to degrade phenanthrene were investigated. A chemical and microbiological evaluation of soils was done using measurements of routine chemical properties, bacterial ...
V. Andreoni, L. Cavalca, M. A. Rao, G. Nocerino, S. Bernasconi, E. Dell'Amico, M. Colombo, L. Gianfreda   +7 more
openaire   +2 more sources

Variations of soil enzyme activities in a temperate forest soil

Ecological Research, 2009
Abstract Soil enzyme activities (dehydrogenase, urease, phosphatase, and arylsulfatase) in a temperate forest soil were determined in relation to landscape position and seasons. Overstory of the area is dominated by Quercus mongolica , Kalopanax pictus
Hojeong Kang, Sinkyu Kang, Dowon Lee
openaire   +1 more source