Results 21 to 30 of about 4,069 (133)

Caracterização do pasto e da extrusa de novilhas Girolanda, em pastagem de Brachiaria decumbens, submetidas a diferentes taxas de lotação - doi: 10.4025/actascianimsci.v33i2.9379

open access: yesActa Scientiarum: Animal Sciences, 2011
O objetivo deste trabalho foi avaliar as características do pasto e da extrusa de novilhas Girolanda, submetidas a três taxas de lotação, em pastagem de capim Brachiaria decumbens Stapf., em diferentes períodos de avaliação.
Andrezza Miguel da Silva   +5 more
doaj   +1 more source

Long‐term aridity shapes grassland drought resistance and modulates the roles of plant diversity and functional composition

open access: yesJournal of Ecology, Volume 114, Issue 7, July 2026.
Widely studied stability drivers such as plant diversity and functional composition have only partial explanatory power for short‐term drought resistance of above‐ground productivity in grasslands at a global scale. The abiotic context, particularly long‐term aridity, is crucial for understanding ecosystem responses to rainfall variation and can ...
Diana Bertuol‐Garcia   +44 more
wiley   +1 more source

Leaf senescence of common bean plants as affected by soil phosphorus supply Senescência foliar do feijoeiro afetada pelo suprimento de fósforo no solo

open access: yesRevista Brasileira de Ciência do Solo, 2007
Responses of leaf senescence to P supply could constitute adaptive mechanisms for plant growth under P-limiting conditions. The aim of this study was to evaluate the effects of soil P supply on leaf senescence of common bean (Phaseolus vulgaris L ...
Adelson Paulo Araújo   +2 more
doaj   +1 more source

State Integration and Violence at the Margins: The Logic of Police Raids in Rio de Janeiro's Favelas

open access: yesThe Howard Journal of Crime and Justice, Volume 65, Issue 2, Page 127-141, June 2026.
ABSTRACT This paper investigates police raids in Rio de Janeiro's favelas through a property rights framework, exploring their organisational structure, motivations and implications. Using data from police reports, academic studies, NGOs and news sources, it examines why and how the state intervenes in these contested spaces.
Joseph Bouchard
wiley   +1 more source

Desmatamento no Brasil:

open access: yesSustentabilidade em Debate, 2015
O Brasil reduziu muito o desmatamento na Amazônia, mas estancou há alguns anos na marca de 5 mil km²/ano, uma área superior a três cidades de São Paulo, de acordo com o Projeto de Monitoramento do Desmatamento na Amazônia Legal por Satélite (Prodes).
Maria Benevides, Lalo Almeida
doaj  

Folhas verdes, folhas secas, fibra do colmo e a clarificação do caldo de cana-de-açúcar Green leaves, dry leaves, stalk fiber and the clarification of sugarcane juice

open access: yesScientia Agricola, 2001
A presença de impurezas vegetais, como folhas verdes e secas, nos carregamentos de cana-de-açúcar entregues nas usinas de açúcar, tem preocupado os técnicos não somente por se tratar de um material sem qualquer valor tecnológico para processamento, como ...
Roberto Bovi, Gil Eduardo Serra
doaj   +1 more source

Critical Discourse Analysis in Corporate Reports: Legitimation Strategies in the Context of Environmental Controversies

open access: yesCorporate Social Responsibility and Environmental Management, Volume 33, Issue 3, Page 3563-3581, May 2026.
ABSTRACT This study examines the use of environmental disclosure as a strategic tool to manage legitimacy crises in a mining company, adopting critical discourse analysis (CDA) as the main methodology. Focusing on a case of environmental disaster, this research reveals how corporate narratives can be manipulated to minimize responsibility and reinforce
Renata Luiza de Castilho Rossoni   +1 more
wiley   +1 more source

Características morfogênicas e estruturais do capim-tifton 85 sob doses de nitrogênio e alturas de corte Morphogenic and structural characteristics of tifton 85 bermudagrass under different nitrogen doses and harvesting heights

open access: yesRevista Brasileira de Zootecnia, 2011
Objetivou-se avaliar características morfogênicas e estruturais do capim-tifton 85 adubado com nitrogênio nas doses de 0, 33, 66, 100 ou 133 kg/ha.ano em três alturas à data de corte (30, 40 ou 50 cm).
Odilon Gomes Pereira   +5 more
doaj   +1 more source

Microhabitat Variation in Feeding Places Shape Ant‐Hemiptera Interactions Within Cocoa Agroecosystems

open access: yesBiotropica, Volume 58, Issue 3, May 2026.
Ant‐hemipteran mutualistic networks in cocoa crops maintain a stable structural organization across different microhabitats (flowers, leaves, and fruits) and management types. This stability is not intrinsic to the network, but rather an emergent result of the behavior of a few generalist ant species acting as structural buffers.
Elmo B. A. Koch   +5 more
wiley   +1 more source

Caracterização do pasto e da extrusa de novilhas Girolanda, em pastagem de Brachiaria decumbens, submetidas a diferentes taxas de lotação =Characterization of grass and extrusa from Girolanda heifers grazing on Brachiaria decumbens pasture, under different stocking rates

open access: yesActa Scientiarum: Animal Sciences, 2011
O objetivo deste trabalho foi avaliar as características do pasto e da extrusa de novilhas Girolanda, submetidas a três taxas de lotação, em pastagem de capim Brachiaria decumbens Stapf., em diferentes períodos de avaliação.
Andrezza Miguel da Silva   +5 more
doaj  

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