Results 51 to 60 of about 149,009 (297)

Soil quality under tillage and no-tillage cropping systems [PDF]

open access: yes, 2006
O objetivo deste trabalho foi avaliar a qualidade de um Latossolo Vermelho submetido a sistemas de cultivo com preparo convencional e plantio direto. Foram estudadas duas áreas experimentais, localizadas na Embrapa Cerrados, em Planaltina, DF, com oito e
Costa, Eusângela Antônia   +2 more
core   +2 more sources

Gold Nanoclusters as Dual Agents for Engineering Tumor Vascular Leakiness and Performing Photothermal Therapy

open access: yesAdvanced Functional Materials, EarlyView.
Many cancer nanotherapeutics, while potent, suffer from the inability to escape from the tumor vasculature, especially in the absence of endothelial permeability. In this work, ultrasmall gold nanoclusters could engineer nanomaterials induced endothelial leakiness (NanoEL) and harness strong NIR induced photothermal characteristics to suppress tumor ...
Nengyi Ni   +8 more
wiley   +1 more source

Cowpea seeds quality and yield according to cropping systems and hydric stress

open access: yesPesquisa Agropecuária Tropical, 2013
The cowpea plays an important role in the Brazilian agricultural production, especially in the North and Northeast Regions, where it is widely cultivated by smallholders.
Rômulo Magno Oliveira de Freitas   +4 more
doaj   +1 more source

s‐Orbital Mediated Metavalent Bonding Enables State‐Of‐The‐Art n‐Type AgBiSe2 Thermoelectrics

open access: yesAdvanced Functional Materials, EarlyView.
Metavalent bonding (MVB) underpins the exceptional property portfolio of chalcogenides. Typical MVB solids are mainly found in p‐bonded systems. This work reveals that MVB can also be formed with s‐p orbital interactions upon forming a single‐electron σ‐bond, as exemplified in AgBiSe2.
Binrong Huang   +13 more
wiley   +1 more source

Effect of Tillage Systems and Herbicide Application in ‎Weed Control of Canola (Brassica napus L.)‎ [PDF]

open access: yesIkufīziyuluzhī-i Giyāhān-i Zirā̒ī, 2017
Integrated weed management in canola (Hyola 401) was studied in an experiment conducted in 2014-2015 growing season in “Kohghilooyeh and Boyer Ahmad”, Iran.
Seyyed Ali Forouzandeh   +3 more
doaj  

Effects of no-tillage and subsoil loosening on soil physical properties and crop performance : a thesis presented in partial fulfilment of the requirements for the degree of Master of Applied Science in Soil Science at Massey University [PDF]

open access: yes, 1998
Much of New Zealand's lowland agriculture integrates animal and crop production on poorly drained, easily compacted soils. Over the years, conventional cultivation has given rise to degraded soil structure on many farms.
Hamilton-Manns, Mark
core  

The Cuttlebone Blueprint for Multifunctional Metamaterials: Design Taxonomy, Functional Decoupling, and Future Horizons

open access: yesAdvanced Functional Materials, EarlyView.
Cuttlebone‐inspired metamaterials exploit a septum‐wall architecture to achieve excellent mechanical and functional properties. This review classifies existing designs into direct biomimetic, honeycomb‐type, and strut‐type architectures, summarizes governing design principles, and presents a decoupled design framework for interpreting multiphysical ...
Xinwei Li, Zhendong Li
wiley   +1 more source

Comparação entre as técnicas de amostragem direta em campo e cultura-armadilha para mensuração da diversidade de espécies de fungos micorrízicos arbusculares

open access: yesHoehnea
O conhecimento das comunidades de fungos micorrízicos arbusculares (FMA) depende dos esporos, que podem ou não ser recolhidos na coleta. Este trabalho teve como objetivo determinar a diversidade de espécies de FMA a partir do exame de amostras do campo e
Marie Luise Carolina Bartz   +4 more
doaj   +1 more source

Impact of soil tillage and land use on soil organic carbon decline under Mediterranean conditions [PDF]

open access: yes, 2012
Soils under Mediterranean climate conditions frequently have low to very low levels of soil organic matter (SOM), as a result of low biomass production under the predominantly rainfed conditions and the intensive tillage operations commonly practiced. In
Barros, José   +3 more
core   +1 more source

Self‐Assembling Peptide Hydrogels Support Stromal Vascular Fraction Viability to Promote In Vivo Nerve Regeneration

open access: yesAdvanced Healthcare Materials, EarlyView.
Stromal vascular fraction (SVF) may enhance nerve repair, especially when delivered in a self‐assembling peptide hydrogel (SAPH). In vitro, softer SAPH increased neuronal explant outgrowth and supported greater SVF viability and proliferation. In a rat sciatic defect, SVF in an optimized SAPH produced motor and sensory recovery equivalent to autograft ...
Liam A. McMorrow   +6 more
wiley   +1 more source

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