Results 41 to 50 of about 21,600 (256)

Mainstreaming Underutilized Indigenous and Traditional Crops into Food Systems: A South African Perspective [PDF]

open access: yes, 2018
Business as usual or transformative change? While the global agro-industrial food system is credited with increasing food production, availability and accessibility, it is also credited with giving birth to ‘new’ challenges such as malnutrition ...
Chibarabada, T.   +8 more
core   +2 more sources

Forgetting cane grasses: Switching temporal focus to reveal mosaics of Saccharum diversity

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 3, Page 590-602, May 2025.
Sugarcane (Saccharum cvs.) is one of the most important cash crops globally. Related varieties and species of cane grasses of the genus Saccharum are also important subsistence crops in the Indo‐Pacific region. Despite the significance of these crops globally and recent advances in genetic characterisation, the histories and geographies of ...
Tim Denham
wiley   +1 more source

Efecto de diferentes tipos de uso de la tierra en las fracciones del carbono orgánico del suelo

open access: yesPastos y Forrajes, 2023
Objectives: To evaluate the effect of different types of land use on the organic carbon fractions of a chromic vertisol soil. Materials and Methods: The research was developed in a permanent observation point, located in Holguin province. Soil samples
George Martín-Gutiérrez   +4 more
doaj  

Períodos de interferência das plantas daninhas na cultura da cana-de-açúcar: II - capim-braquiária (brachiaria decumbens) Interference periods of weeds in the sugarcane crop: II - brachiaria decumbens

open access: yesPlanta Daninha, 2001
Um experimento foi conduzido em Olímpia-SP, com o objetivo de avaliar os efeitos de períodos de convivência e controle das plantas daninhas na produtividade da cultura da cana-de-açúcar. A cana foi plantada em maio de 1995, sendo colhida 15 meses após; a
M.A. Kuva   +4 more
doaj   +1 more source

Leaf Optical Responses to Light and Soil Nutrient Availability in Temperature Deciduous Trees [PDF]

open access: yes, 2005
Leaf optical parameters influence light availability at the cellular, leaf, and canopy scale of integration. While recent studies have focused on leaf optical responses to acute plant stress, the effects of changes in plant resources on leaf optics ...
Baltzer, Jennifer L., Thomas, Sean C.
core   +1 more source

Pest categorisation of Davidsoniella virescens [PDF]

open access: yes, 2017
Following a request from the European Commission, the EFSA Panel on Plant Health (PLH) performed a pest categorisation of Davidsoniella virescens, a well‐defined and distinguishable fungal species of the family Ceratocystidaceae.
Alan MacLeod   +24 more
core   +2 more sources

Could large‐scale silicon supplementation of crop‐lands mitigate the impacts of climate change?

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Intervention strategies that involve supplementing crop‐lands with silicon have significant scope for carbon capture and drought mitigation, offering wide‐ranging societal impacts. These include contributing to decarbonisation goals, enhancing food security, providing economic benefits and reducing environmental damage associated with intensive ...
Scott N. Johnson   +2 more
wiley   +1 more source

All-plasmonic switching effect in the graphene nanostructures containing quantum emitters [PDF]

open access: yesarXiv, 2023
Nonlinear plasmonic effects in perspective 2D materials containing low-dimensional quantum emitters can be a basis of a novel technological platform for the fabrication of fast all-plasmonic triggers, transistors, and sensors. This article considers the conditions for achieving a strong plasmon-exciton coupling in the system with quantum nanowire (NW ...
arxiv  

Camera traps reveal cryptic species‐specific seed removal preferences in a seasonal small‐mammal foraging study

open access: yesEcosphere
Seasonal changes in plant–animal interactions, such as seed dispersal and predation, remain poorly understood in temperate ecosystems. We examined seed removal of three woody species (Acer saccharum, Tsuga canadensis, and Lonicera spp.) by small mammals (
Madeline H. Vavra, Peter W. Guiden
doaj   +1 more source

Melanaphis sacchari/sorghi complex: current status, challenges and integrated strategies for managing the invasive sap‐feeding insect pest of sorghum

open access: yesPest Management Science, Volume 81, Issue 5, Page 2427-2441, May 2025.
We have assembled a group of scientists that work on different aspects of SCA and hereby submit a comprehensive review of the species and its management, with ideas for future research avenues. We believe this review will be of interest to scientists studying plant–insect interactions, and extension entomologists, among others, who work with the ...
Alejandro Vasquez   +8 more
wiley   +1 more source

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