Results 121 to 130 of about 156,563 (351)

The role of agroforestry systems in the production of Triticum aestivum (regional level)

open access: yesSiberian Journal of Life Sciences and Agriculture
Background. Despite the proven effect of forest reclamation systems on increasing the yield of individual crops at specific research sites, the question of the reliability of the participation of the forest cover factor in yield, among many other ...
Anna M. Pugacheva
doaj   +1 more source

Boards of Directors That Transform: A Study on How Specific Architectural Components Drive ESG Performance

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study explores the potential influence of key components of the board of directors' architecture on ESG outcomes. Specifically, we focus on the effects of demographic components (gender and cultural diversity), structural and compositional factors (size, CEO‐Chair separation, and the presence of independent/non‐executive directors), and ...
Jorge Ochaita‐Gonzalez   +3 more
wiley   +1 more source

Agroecological estimation of the effect of crop rotation and mineral fertilizers on productivity and quality of spring barley grain in the Central Blackearth region of Russia

open access: yesЗерновое хозяйство России
The purpose of the current study was to determine the effect of crop rotations and doses of mineral fertilizers on productivity, grain quality of spring barley and fertility of typical chernozem in the Central Сhernozem Region (CBR).
I. I. Gureev   +4 more
doaj   +1 more source

Les cultures intermédiaires pièges à nitrate (CIPAN) et engrais verts : protection de l'environnement et intérêt agronomique [PDF]

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2010
Autumn cover crops and green manures: environment protection and agronomic interest. Due to the evolution of the environmental policy, practice of green manure cropping has been replaced by autumn cover crops in order to take up nitrate residues of the ...
Destain JP., Reuter V., Goffart JP.
doaj  

Butterflies of curriculum realisation: Investigating early implementation of the Curriculum for Wales

open access: yesThe Curriculum Journal, EarlyView.
Abstract Curriculum reform provides a vital opportunity for nations to ensure learners are equipped to fully participate as citizens in the 21st century. This paper presents an understanding of educators’ response to curriculum reform, and some of its enablers and barriers.
Alison Glover   +5 more
wiley   +1 more source

Efficient Enantiomeric Selectivity Separation Via Homochiral Graphene Oxide Membrane

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A new type of chiral graphene oxide (GO) membrane is proposed that exhibits a separation factor of up to 20.1 as well as a preferential enantiomer flux of 4.5 mmol m−2 h−1. Moreover, the only first FPLC‐compatible column has been further developed via stacking these chiral GO membranes.
Junbo Wang   +10 more
wiley   +1 more source

GENESIS OF THE SECOND HUMUS HORIZON IN THE GREY FOREST SOILS OF KRASNOYARSK FOREST-STEPPE

open access: yesВестник Кемеровского государственного университета, 2015
The paper considers the genesis of the second humus horizon of the grey forest soil. The polygenetics of the second humus horizon in a profile of forest soils is discussed.
A. A. Shpedt   +2 more
doaj  

Confinement−Adsorption Synergy in Hybrid Carbon‐Coated Separator Enables Stable High‐Rate Quinone Cathode for Magnesium Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A sulfur‐containing heterocyclic quinone cathode for rechargeable magnesium batteries is coupled with a GO/MWCNTs–COOH separator that establishes a confinement–adsorption regulation mechanism, thereby significantly accelerating Mg2+ reaction kinetics and minimizing active‐material loss.
Xiquan Qi   +3 more
wiley   +1 more source

Приложение на диелектричната спектроскопия за анализ на въздушно изсушени почви

open access: yesПочвознание, агрохимия и екология, 2013
Measurements of the electric conductivity, σ, and relative dielectric permittivity, εr, were conducted (0.1 Hz – 15 MHz) on 40 air-dried soil probes that were subsequently analyzed for pH, iron and heavy metal concentrations and organic matter.
ЛИЛКО ДОСПАТЛИЕВ   +4 more
doaj  

Auswirkungen der Einbringung von Buche (Fagus sylvatica L.) auf die Artendiversität und Naturnähe von Nadelholzbeständen in Niedersachsen [PDF]

open access: yes, 2013
The promotion and extension of continuous cover mixed stands with a simultaneous reduction of conifer-monocultures play a major role in current silvicultural practices in Central Europe.
Budde, Sabine   +2 more
core  

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