Results 41 to 50 of about 32,936 (303)

Phosphorus deficiency enhances water deficit impact on some morphological and physiological traits in four faba bean (Vicia faba L.) varieties

open access: yesItalian Journal of Agronomy, 2020
Moroccan soils, generally present low available phosphorus (P) levels which occur in almost all arid and semi-arid regions. Faba bean is one of the most significant crops in Morocco and is influenced by these constraints that affect its nutrient uptake ...
Khawla Oukaltouma   +8 more
doaj   +1 more source

Insights into the physiology and ecology of the brackish-water-adapted cyanobacterium nodularia spumigena CCY9414 based on a genome-transcriptome analysis [PDF]

open access: yes, 2013
Nodularia spumigena is a filamentous diazotrophic cyanobacterium that dominates the annual late summer cyanobacterial blooms in the Baltic Sea. But N. spumigena also is common in brackish water bodies worldwide, suggesting special adaptation allowing it ...
Fewer David P.   +84 more
core   +1 more source

Influence of Carbon Nanoparticles on Electrically Induced Wear of Grease‐Lubricated Steels

open access: yesAdvanced Materials Interfaces, EarlyView.
When an electric current enters a pair of rubbing surfaces, enormous damage takes place. In this research, how such damage occurs in the presence of protective grease and the mitigation with added carbon nanoparticles, were investigated. It was discovered that those particles regulate transport and interfacial electrical stability of the grease ...
Mohammad Humaun Kabir   +6 more
wiley   +1 more source

Enhancing of symbiotic efficiency and salinity tolerance of chickpea by phosphorus supply

open access: yesActa Agriculturae Scandinavica. Section B, Soil and Plant Science, 2018
This study aims to highlight the beneficial effect of the phosphorus on enhancing of growth plant, the efficiency of use rhizobial symbiosis and ionic partition in chickpea grown under salt stress.
H. Sadji-Ait Kaci   +2 more
doaj   +1 more source

NUTRICHARGE – BIODEGRADABLE POLYMER TO PROLONG THE ACTION OF PHOSPHOROUS AND MINERAL FERTILIZERS IN THE SOIL

open access: yesОвощи России, 2017
We pose a problem of low efficiency of complicated mineral fertilizers, phosphorus fixation by metals and its inaccessibility for plants during the season.
S. M. Khromov
doaj   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

open access: yesAdvanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi   +4 more
wiley   +1 more source

Effect of Biochar Mixed With Different Phosphorus Rates on Selected Soil Chemical Properties in Western Kenya

open access: yesAgroEnvironmental Sustainability
Low maize productivity in Acrisols and Ferralsols caused by phosphorus (P) fixation poses a constraint to food security in Bungoma County, Kenya. Continuous application of ammonia-based fertilizers has further intensified soil acidification, leading to
Collins Otieno Majengo   +3 more
doaj   +1 more source

Intelligent Maintenance Review for Robots: Multimodal Information, Deep Diagnosis and Embodied Artificial Intelligence

open access: yesAdvanced Robotics Research, EarlyView.
This review maps the methods to monitor robots’ health by fusing vibration, sound, control signals, vision, force, and oil information with artificial intelligence. It identifies deep learning, transfer learning, digital twins, and physics‐informed models as key methodological pathways enabling earlier diagnosis, safer human–robot collaboration, and ...
Yuting Qiao   +6 more
wiley   +1 more source

Revisiting the distribution of oceanic N2 fixation and estimating diazotrophic contribution to marine production

open access: yesNature Communications, 2019
The geographical distribution and controlling factors of marine N2 fixation are understudied. Here the authors find increasing rates of N2 fixation from the Sargasso Sea to the coastal waters of North America, driven primarily by cyanobacterial ...
Weiyi Tang   +9 more
doaj   +1 more source

Examples of belowground mechanisms enabling legumes to mitigate phosphorus deficiency

open access: yes, 2017
Legumes improve agricultural sustainability through symbiotic dinitrogen (N2) fixation which constitutes a major input into agroecosystems and may provide an ecologically acceptable complement or substitute for mineral nitrogen fertilizers.
Sveriges lantbruksuniversitet.   +1 more
core   +1 more source

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