Results 121 to 130 of about 170,655 (310)

Composição molecular e origem paleobotânica de âmbares da bacia do Araripe, Formação Santana Molecular composition and paleobotanical origin of ambers from the Araripe basin, Santana Formation

open access: yesQuímica Nova, 2009
The terpenoid composition of seven amber samples from Araripe Basin (Santana Formation, Crato Member) has been analyzed by gas chromatography-mass spectrometry to determine their botanical origin.
Ricardo Pereira   +3 more
doaj   +1 more source

Increasing dominance of large lianas in Amazonian forests [PDF]

open access: yes, 2002
Ecological orthodoxy suggests that old-growth forests should be close to dynamic equilibrium, but this view has been challenged by recent findings that neotropical forests are accumulating carbon and biomass, possibly in response to the increasing ...
A White   +43 more
core   +1 more source

Botanical composition of herbages

open access: yes
Botanical composition of the herbages used for ensiling in 10.3168/jds.2024 ...
openaire   +1 more source

Heat Stress in Quail: Impacts on Health and Productivity, and Mitigation Strategies

open access: yesAnimal Research and One Health, EarlyView.
Heat stress disrupts physiological homeostasis in quail, inducing oxidative stress, immune dysregulation, and metabolic imbalance, which impair growth, reproduction, product quality, and welfare. Integrating nutritional, environmental, and genetic–epigenetic strategies enhances thermotolerance, sustains productivity, and supports climate‐smart quail ...
T. A. Eletu   +6 more
wiley   +1 more source

Chemical composition of peach fruits in the collection of Nikitsky Botanical Garden

open access: yesPlant Varieties Studying and Protection, 2014
The article quotes data on fruits biochemical composition for 101 varieties of peach from Nikita Botanical Garden collection. 88 varieties have been singled out according to the composition of bioactive substances.
А. В. Смиков   +2 more
doaj   +1 more source

Dairy Sheep Grazing Management and Pasture Botanical Composition Affect Milk Macro and Micro Components: A Methodological Approach to Assess the Main Managerial Factors at Farm Level. [PDF]

open access: yesAnimals (Basel), 2022
Cabiddu A   +10 more
europepmc   +1 more source

15Nitrogen uptake from shallow- versus deep-rooted plants in multi-species mixtures and monoculture grassland [PDF]

open access: yes, 2010
Only few studies have explored the importance of functional diversity in temperate agricultural grasslands in relation to nitrogen (N) uptake. This study investigates the consequence of growing deep-rooted plants together with grass-clover mixtures in ...
Eriksen, J.   +5 more
core  

Pollen characterisation of Maltese honey [PDF]

open access: yes, 2013
In 2004 and 2005, pollen characterisation of 35 samples of honey collected from the islands of Malta and Gozo, was carried out with the aim to identify the botanical origin of honey produced on these islands.
Gambin, Claudette   +2 more
core   +1 more source

Comprehensive Characterization of Acer truncatum Leaf Extract: Identification of Systemic Metabolites and Effects on Performance, Antioxidant Status, and Intestinal Microbiota in Laying Hens

open access: yesAnimal Research and One Health, EarlyView.
Dietary A. truncatum leaf extract is absorbed and improves laying performance in aged hens by enhancing systemic antioxidant capacity and modulating the gut microbiota. ABSTRACT The demand for natural feed additives is considerably increasing in the antibiotic‐free feed era.
Kailong Qin   +6 more
wiley   +1 more source

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