Results 31 to 40 of about 1,145,903 (339)

Effect of Reduced Tillage on Soil Enzyme Activity, Pests Pressure and Productivity of Organically Grown Spring Wheat Species

open access: yesAgronomy, 2023
The possibility of using reduced tillage in organic farming is poorly recognized. The study aimed to assess the impact of the tillage method (shallow tillage and plowing) on soil biochemical activity, pest pressure, and grain yield of Triticum ...
Małgorzata Szczepanek   +4 more
doaj   +1 more source

Regulation of 3β-Hydroxysteroid Dehydrogenase/∆5-∆4 Isomerase: A Review [PDF]

open access: yes, 2013
This review focuses on the expression and regulation of 3β-hydroxysteroi ddehydrogenase/Δ5-Δ4 isomerase (3β-HSD), with emphasis on the porcine version. 3β-HSD is often associated with steroidogenesis, but its function in the metabolism of both steroids ...
Abbaszade   +121 more
core   +2 more sources

Microbial Activity in Forest Soil Under Beech, Spruce, Douglas Fir and Fir

open access: yesContemporary Agriculture, 2016
The aim of this research was to investigate the microbial activity in forest soil from different sites under deciduous and coniferous trees in Serbia.
Hajnal-Jafari Timea   +4 more
doaj   +1 more source

Chemical and microbiological characterization of Cambisols, Luvisols and Stagnosols

open access: yesPlant, Soil and Environment, 2009
Cambisols, Luvisols and Stagnosols are main soil taxonomical units covering 78% of the total area of the Czech Republic. In the period 2001-2008 soil samples from 13 arable and 2 grassed localities were collected and tested. Microbial biomass carbon (MBC)
L. Růžek   +5 more
doaj   +1 more source

EXAMINATION OF SOME SOIL BIOLOGICAL CHARACTERISTICS OF THREE SOIL TYPES UNDER DIFFERENT PLANT CROPS

open access: yesNatural Resources and Sustainable Development, 2023
In the Institute of Agrochemistry and Soil Science from Debrecen University of Hungary (UD) some microbiological characteristics of three different soil types, with different plant crops were examined during 2 years (2019-2020), in spring and autumn.
Tállai Magdolna   +3 more
doaj   +1 more source

Formate dehydrogenase [PDF]

open access: yesFEMS Microbiology Letters, 1990
Formate is a substrate, or product, of diverse reactions catalyzed by eukaryotic organisms, eubacteria, and archaebacteria. A survey of metabolic groups reveals that formate is a common growth substrate, especially among the anaerobic eubacteria and archaebacteria.
openaire   +2 more sources

Impact of canopy and seasoning on activity of soil enzymes in some Juniper habitatsof Iran [PDF]

open access: yesتحقیقات جنگل و صنوبر ایران, 2010
Soil enzyme analysis is a widely used technique for examining nutrient cycling processes in soil. These enzymes are sensitive to the effects of anthropogenic activities and disturbance on the soil and provide valuable assessing of the metabolic response ...
Mohammad Matinizadeh   +3 more
doaj  

Study on metabolic status of tear fluid in hypothyroidism patients with dry eye syndrome

open access: yesJournal of Ophthalmology, 2018
Introduction. Dry eye syndrome (DES) is associated with a complicated multifactorial mechanism, the peculiarities of which are being studied at the moment.
M.I. Pavlovskii , G.I. Drozhzhyna
doaj   +1 more source

Laboratory tests for aerobic bioremediation of the contaminated sites in the Czech Republic

open access: yesPlant, Soil and Environment, 2020
Laboratory-scale testing methods applicable to evaluation of contaminated subsurface microbial communities are discussed in relation to their potential in supporting effective site bioremediation. Both culture-dependent and culture-independent techniques
Jana Chumchalová, Martin Kubal
doaj   +1 more source

Transcriptional analysis of pqqD and study of the regulation of pyrroloquinoline quinone biosynthesis in Methylobacterium extorquens AM1 [PDF]

open access: yes, 1995
Methanol dehydrogenase, the enzyme that oxidizes methanol to formaldehyde in gram-negative methylotrophs, contains the prosthetic group pyrroloquinoline quinone (PQQ).
Lidstrom, Mary E., Ramamoorthi, Roopa
core   +2 more sources

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