Results 1 to 10 of about 8,023 (153)

Coagulante orgánico a base de Tamarindus índica como tratamiento terciario en aguas residuales

open access: yesAgua, Saneamiento & Ambiente, 2023
La protección de los recursos hídricos a través de la implementación de procesos de tratamiento de las aguas residuales que son depositadas en estos se ha convertido en un gran reto para la región centroamericana, dado que cada vez es más notoria la ...
Eduardo Ariel Ruiz Murillo
doaj   +1 more source

Influência da adubação fosfatada e da introdução de espécies forrageiras de inverno na oferta de forragem de pastagem natural [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2000
A pecuária de corte no Estado do Rio Grande do Sul é baseada na utilização de pastagens naturais, que são de baixa produtividade e sazonalidade de produção.
LUCIANO COLPO GATIBONI   +5 more
doaj   +1 more source

Effect of an ear cleaner instillation containing lipacids in a model of re‐acidification of the external auditory canal in dogs

open access: yesVeterinary Dermatology, Volume 33, Issue 5, Page 402-406, October 2022., 2022
Abstract Background In humans, the acidic pH of the ear canal plays a protective role against infection and a change towards alkalinity of the external auditory canal (EAC) is a local factor in the progression of acute to chronic otitis externa (OE).
Pauline Panzuti   +5 more
wiley   +1 more source

Managing, now becoming, refugees: Climate change and extractivism in the Republic of Nauru

open access: yesAmerican Anthropologist, Volume 124, Issue 3, Page 560-574, September 2022., 2022
Abstract The Republic of Nauru, the world's smallest island state, was almost entirely economically dependent on the phosphate industry in the twentieth century as part of a colonial extractive arrangement. After the wealth Nauru derived was depleted by the 1990s, the by then sovereign state resurged on the back of the refugee industry, agreeing to ...
Julia Morris
wiley   +1 more source

Exposición a químicos disruptores endócrinos obesogénicos y obesidad en niños y jóvenes de origen latino o hispano en Estados Unidos y Latinoamérica: una perspectiva del curso de la vida

open access: yesObesity Reviews, Volume 22, Issue S5, Octubre 2021., 2021
Resumen En el 2019, en seguimiento a un taller dirigido por el Global Health Studies del Fogarty International Center sobre el tema de la prevención de la obesidad infantil y las sinergias de investigación que surgen a través de las colaboraciones transfronterizas, convocamos a un grupo de expertos de Estados Unidos y Latinoamérica para que realizaran ...
Wei Perng   +16 more
wiley   +1 more source

To be or not to be, that is the question: The Marsala meteorite (Italy, 1834) and the role of the doubtful meteorites in the history of meteoritics

open access: yesMeteoritics &Planetary Science, Volume 56, Issue 5, Page 929-943, May 2021., 2021
Abstract This work focuses on the historical and scientific investigation of a presumed meteorite fall that occurred in the Sicilian township of Marsala in 1834. Preliminary studies have classified this phenomenon as a “doubtful meteorite.” This term describes, according to the Nomenclature Committee of the Meteoritical Society, an object for which ...
Annarita Franza   +4 more
wiley   +1 more source

Eficiência agronômica de fertilizantes fosfatados fluidos e sólidos

open access: yesRevista Brasileira de Ciência do Solo, 1997
Um experimento para avaliar a eficiência agronômica de fertilizantes fosfatados fluidos e sólidos foi desenvolvido em casa de vegetação no Centro de Energia Nuclear na Agricultura - CENA/USP, em Piracicaba (SP), de junho a outubro de 1992.
W.B. Scivittaro   +2 more
doaj   +1 more source

Non-conventional P sources for zebu cows in Brazil Fontes não convencionais de fósforo para gado zebu no Brasil

open access: yesScientia Agricola, 1995
To evaluate non-conventional phosphorus sources, a group of 400 Nellore cows mantained under pasture received a mineral mixture with different P sources (group I: superphosphate - 500 ppm P; group II: superphosphate - 340 ppm P plus rock phosphate Patos ...
D.M.S.S. Vitti   +4 more
doaj   +1 more source

Fontes, doses e modos de aplicação de fósforo na recuperação de pastagem com brachiaria Sources, doses, and application method of phosphorus in the recovery of brachiaria pasture

open access: yesCiência e Agrotecnologia, 2010
Objetivando-se avaliar diferentes fontes, doses e métodos de aplicação de fósforo na recuperação da Brachiaria decumbens, um experimento foi conduzido na Fazenda Caminho das Pedras, município de Uberlândia-MG, em Latossolo Vermelho distrófico, textura ...
Alfredo Yuji Ieiri   +3 more
doaj   +1 more source

Soil phosphorus availability and soybean response to phosphorus starter fertilizer

open access: yesRevista Brasileira de Ciência do Solo, 2014
Phosphorus fixation in tropical soils may decrease under no-till. In this case, P fertilizer could be surface-spread, which would improve farm operations by decreasing the time spend in reloading the planter with fertilizers.
Ciro Antonio Rosolem, Alexandre Merlin
doaj   +1 more source

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