Results 61 to 70 of about 1,982 (155)

Propriedades físicas e carbono orgânico do solo sob plantio direto comparados à mata natural, num Cambissolo Háplico

open access: yesRevista de Ciências Agroveterinárias, 2014
A qualidade física do solo está relacionada com o seu uso e manejo e com o teor de carbono orgânico do mesmo. O presente trabalho objetivou avaliar o efeito do período de tempo de adoção do sistema de plantio direto cultivado com fumo e cebola ...
Rodrigo Vieira Luciano   +4 more
doaj  

A Very Social History: South American Cricketing Tourists in Britain in 1932

open access: yesHistory, EarlyView.
Abstract Drawing on both the rich Anglophone cricket historiography and the new Latin American sports scholarship, this article maps out the entangled global networks that shaped the tour of Britain made in 1932 by a team of South American cricketers.
Matthew Brown
wiley   +1 more source

Qualidade física do solo sob sistemas de integração lavoura-pecuária

open access: yesPesquisa Agropecuária Brasileira, 2011
O objetivo deste trabalho foi avaliar a qualidade física do solo em sistemas de integração lavoura-pecuária (ILP), em comparação à pastagem contínua e ao cerrado nativo.
Glenio Guimarães Santos   +4 more
doaj   +1 more source

Evaluating the protection status and exposure to warming of Caribbean reefs with high functional potential

open access: yesConservation Biology, EarlyView.
Abstract Over the past decades, climate change has emerged as a major threat to global biodiversity, negatively affecting the integrity and functioning of ecosystems and the benefits they provide to people. To mitigate these impacts, it is essential to identify climate refugia that support the persistence of the structure and function of reef ...
Sara M. Melo‐Merino   +4 more
wiley   +1 more source

Crisis epilépticas en niños con síndrome de Dravet en condiciones de calor extremo: estudio cualitativo de la perspectiva de los progenitores

open access: yesDevelopmental Medicine &Child Neurology, EarlyView.
Resumen Objetivo Describir la experiencia de progenitores de niños y adolescentes con síndrome de Dravet en relación con el impacto de las olas de calor o las altas temperaturas ambientales en las crisis epilépticas de sus hijos, así como las estrategias de afrontamiento empleadas.
Angel Aledo‐Serrano   +8 more
wiley   +1 more source

ATRIBUTOS QUÍMICOS E FÍSICOS DE UM LATOSSOLO VERMELHO DISTRÓFICO SOB PASTAGENS RECUPERADA E DEGRADADA CHEMICAL AND PHYSICAL ATTRIBUTES OF A DYSTROPHIC OXISOL UNDER RECLAIMED AND DEGRADED PASTURES

open access: yesPesquisa Agropecuária Tropical, 2007
<!-- @page { margin: 2cm } --> <p class="western" align="justify">O objetivo deste trabalho foi comparar alguns atributos físicos e químicos de um Latossolo Vermelho distrófico, em cerrado sob pastagens recuperada e degradada.
Cleber Morais Guimarães   +3 more
doaj   +1 more source

Elevation shapes alpine snow algal blooms and their influence on albedo reduction

open access: yesNew Phytologist, EarlyView.
Graphical summary of elevational trends in Sanguina‐dominated snow algal blooms. Increasing elevation was associated with larger cells, lower Chla content per cell, higher astaxanthin ratios, lower snow water content, and reduced cell‐normalized albedo, whereas algal cell density showed no consistent elevational trend.
Pablo Almela   +5 more
wiley   +1 more source

Photoprotective potential of gadusol against ultraviolet B radiation in melanocytes

open access: yesPhotochemistry and Photobiology, EarlyView.
Gadusol protects melanocytes from ultraviolet B (UVB)‐induced damage without cytotoxicity. Abstract The increasing incidence of skin cancer, including melanoma, combined with the need for ultraviolet (UV) filters that are safe for human health and marine ecosystems, is driving the search for new photoprotective agents.
Andressa Mai Matsumoto   +8 more
wiley   +1 more source

Calibration of a soil moisture sensor with disturbed and undisturbed soil samples from Bahia

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
The objective of this study was to evaluate the models proposed by manufacturers and in the literature with respect to soil moisture measurement and to evaluate the performance of the CS616 sensor in the calibration of disturbed and undisturbed soil ...
João G. A. Lima   +4 more
doaj   +1 more source

Qualidade física e intervalo hídrico ótimo em latossolo e cambissolo, cultivados com cafeeiro, sob manejo conservacionista do solo

open access: yesRevista Brasileira de Ciência do Solo, 2013
Cafeicultores da região fisiográfica do Alto São Francisco, MG, Brasil, vêm adotando novo sistema de cultivo, considerado conservacionista do solo, cujos efeitos na qualidade física do solo precisam ser avaliados.
Milson Evaldo Serafim   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy