Results 101 to 110 of about 26,918 (269)

Analytical Approaches to Address Challenges in the Analysis of Cannabinoids in Vascular Matrices Using Mass Spectrometry

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT Phytocannabinoids are bioactive metabolites derived from the Cannabis sativa plant. They have garnered attention due to their recreational uses and therapeutic potential. Although various analytical strategies have been employed for their analysis, mass spectrometry (MS) coupled to chromatographic separation is superior due to its sensitivity ...
Radwa Mahmoud   +2 more
wiley   +1 more source

Déficit de polinização da aceroleira no período seco no semiárido paraibano Pollination deficit of acerola orchards during the dry season in the semiarid region of northeastern Brazil

open access: yesRevista Brasileira de Fruticultura, 2011
A aceroleira é uma importante frutífera tropical que pode produzir frutos o ano todo na região semiárida do Nordeste do Brasil, caso seja utilizada a irrigação.
Rozileudo da Silva Guedes   +3 more
doaj  

The Victorian Naturalist [PDF]

open access: yes, 1927
v.44 (1927 ...
Barnard, F. G. A.   +4 more
core   +1 more source

Floral resource diversity drives spatiotemporal variation in plant–pollinator network structure

open access: yesOikos, EarlyView.
Mechanisms underlying community assembly, including those related to species interactions, vary across space and time. Plant–pollinator networks exemplify these dynamics, where link rewiring and turnover mediate adaptations to environmental changes. Bees rely on diverse floral resources (e.g.
Caio S. Ballarin   +3 more
wiley   +1 more source

Variación geográfica de la recompensa floral de Calceolaria polyrhiza (Calceolariaceae): Influencia de factores bióticos y abióticos

open access: yesBoletín de la Sociedad Argentina de Botánica, 2012
Indagar sobre la diferenciación interpoblacional de caracteres florales implicados en la interacción planta-polinizador, y sobre su relación con la divergencia de polinizadores a escala geográfica, es fundamental para dilucidar los factores que influyen ...
Andrea Cosacov   +2 more
doaj  

Tables describing the use of various inputs during organic growing of important horticultural and arable crops across Europe [PDF]

open access: yes, 2018
This Annex presents the results of the survey carried out in the frame of Tasks 3.1. and Task 5.1 in the Organic PLUS project. A common table/questionnaire for both tasks was used in order to map the use of contentious inputs linked to plant protection ...
Katsoulas, Nikolaos, Løes, Anne-Kristin
core  

Development and adoption of Kernza—A perennial grain crop for sustainable agriculture

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Annual cereal grains account for ~50% of human food calories, but cultivation of these crops has resulted in major environmental and social issues worldwide. For nearly three decades, researchers have been breeding intermediate wheatgrass—a perennial cool‐season grass—to serve as the world's first commercial‐scale perennial grain crop to improve ...
Jessica L. Gutknecht   +15 more
wiley   +1 more source

The Effect of Different Levels of Bee Propolis with and without Enzyme Treatment in a Wheat-Based Diet on Growth Performance, Carcass Characteristics, and Immune Response of Broiler Chickens [PDF]

open access: yesپژوهشهای تولیدات دامی
Extended Abstract Background: Wheat is one of the most important food products in human and livestock nutrition, but the use of wheat in poultry diets may have limitations. Wheat contains a significant amount of starch and protein, which are used as the
Ruhollah Kianfar   +4 more
doaj  

Insurance Policies: The Grandparents of Contractual Black Holes [PDF]

open access: yes, 2017
In their recent article, The Black Hole Problem in Commercial Boilerplate, Professors Stephen Choi, Mitu Gulati, and Robert Scott identify a phenomenon found in standardized contracts they describe as “contractual black holes.” The concept of black holes
French, Christopher C
core   +2 more sources

Agricultural and environmental drivers of variation in the composition of food crops: A scoping review

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Agricultural management and environmental conditions influence the biochemical composition of food crops; however, the specific drivers of this variation remain insufficiently understood, despite their importance for climate change adaptation and human health.
Kat Morgan   +24 more
wiley   +1 more source

Home - About - Disclaimer - Privacy