Results 61 to 70 of about 4,508 (209)

Farming cattle in the tropics: Transnational science and industrializing pastures in Brazil

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 5, Page 1060-1069, September 2024.
Society is increasingly concerned over the environmental impact of diets. Much of this concern is over the environmentally destructive nature of meat production, especially beef and especially in the Amazon. This article aims to understand the production of beef in Brazil through the understudied perspective of forage grasses.
Ryan Nehring
wiley   +1 more source

Épocas de colheita, produção e qualidade de sementes de capim gordura. [PDF]

open access: yes, 2015
Durante tres anos (1978 a 1980) foram realizados experimentos de producao de sementes de capim-gordura (Melinis minutiflora, Beauv), utilizando-se uma pastagem natural, estabelecida em solo de topografia inclinada representativo da Zona da Mata do Estado
ANDRADE, R. V. de
core  

Nitrogen acquisition and retention pathways in sustainable perennial bioenergy grass cropping systems

open access: yesGCB Bioenergy, Volume 16, Issue 6, June 2024.
Perennial tall grasses sustain high biomass yield with minimal synthetic nitrogen (N) fertilizer, potentially by leveraging biological N fixation and nitrification inhibition. Enhancing these traits through research and breeding can further reduce their reliance on N fertilizer and thereby support more resilient and environmentally sustainable ...
Danyang Duan, Angela D. Kent
wiley   +1 more source

Avaliação do banco de sementes de uma área em processo de recuperação em cerrado campestre Evaluation of the seed bank in a campestre cerrado area under recovery

open access: yesPlanta Daninha, 2013
Os estudos que tratam da interferência de plantas daninhas em agroecossistemas têm produzido resultados de pesquisa abundantes para campos de produção de grãos e pastagens; contudo, poucos trabalhos relatam o efeito da presença desse grupo de plantas em ...
V.M. Machado   +5 more
doaj  

Allelopathic evidence in Brachiaria decumbens and its potential to invade the Brazilian Cerrados

open access: yesBrazilian Archives of Biology and Technology, 2008
The aim of this study was to look for evidence of allelochemicals in B. decumbens, in parts of the plant from where they could easily be released to the environment.
Elizabeth Gorgone Barbosa   +2 more
doaj   +1 more source

Post-fire regeneration in a semideciduous mesophytic forest fragment in the county of viçosa, MG [PDF]

open access: yes, 2002
Estudou-se a vegetação colonizadora seis meses após perturbação por fogo, em uma área do Campus da Universidade Federal de Viçosa, em Viçosa (20o 45’S, 42o 51’ W ), MG.
Martins, Sebastião Venâncio   +3 more
core  

Disturbance as a factor in breaking dormancy and enhancing invasiveness of African grasses in a Neotropical Savanna [PDF]

open access: yes, 2016
The Cerrado is threatened by wildfires and invasive species. We aimed to evaluate in laboratory conditions whether temperature fluctuation at the soil surface, resulting from the absence of vegetation due to fire, can affect the germination of Urochloa ...
Baeza, M. Jaime   +3 more
core   +4 more sources

Airborne Volatiles from Melinis minutiflora P. Beauv., a Non-Host Plant of the Spotted Stem Borer [PDF]

open access: yesJournal of Essential Oil Research, 2000
Abstract Airborne volatiles released by Melinis minutiflora P. Beauv., a non-host plant of the spotted stem borer, Chilo partellus (Swinhoe), were trapped from the live plant by air entrainment into porous polymer Porapak Q and analyzed by GC and GC/MS. The main hydrocarbons identified and confirmed by co-injection with authentic samples on two columns
Chhabra, S. C.   +5 more
openaire   +1 more source

Local perceptions of the benefits versus negative impacts of weedy grasses in central Madagascar, with a focus on the genus Digitaria

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 3, Page 710-728, May 2024.
Plants and agricultural practices are an integral part of human food systems and well‐being. Here, an example of an ethnobotanical research approach is provided to increase our understanding of the relationship between plants and human activities in Madagascar, where the agricultural sector is the local economy basis.
Noro Fenitra Harimbao Randrianarimanana   +7 more
wiley   +1 more source

Áreas protegidas e propriedades rurais: contribuições ecológicas de um método de recuperação de áreas degradadas [PDF]

open access: yes, 2017
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Agrárias. Curso de Agronomia.Diante do cenário mundial frente à degradação ambiental, políticas públicas como o Cadastro Ambiental Rural contribuem para a conservação da ...
Trivella, Renato Barretto Barbosa
core  

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