Results 11 to 20 of about 728,701 (231)

Avaliação de produtividade de progênies de cafeeiro em dois sistemas de plantio Yield evaluation of coffee plant (Coffea arabica L.) progenies in two tillage systems

open access: yesCiência e Agrotecnologia, 2006
Objetivou-se com o presente trabalho analisar a influência do sistema de plantio (adensado e convencional) e a produtividade de cafeeiros (Coffea arabica L.), resultantes do cruzamento de Catuaí Vermelho IAC 99 com Mundo Novo IAC 379-19. Foram utilizadas
Gladyston Rodrigues Carvalho   +4 more
doaj   +1 more source

Criptomonedas y energía: ¿hacia un nuevo patrón para el sistema financiero mundial?

open access: yesEconomía y Sociedad, 2023
El siguiente artículo propone una reflexión hipotética a partir de anticipar un posible desplazamiento en el sistema financiero mundial del actual dólar-patrón hacia el patrón-energía en el que se basa generación y circulación de las criptomonedas ...
Franco David Hessling Herrera
doaj   +1 more source

Extrato de alho melhora a superação da dormência de videiras ‘Niagara Rosada’em regiões subtropicais. [PDF]

open access: yes, 2010
Nas regiões com invernos amenos, normalmente as exigências de frio para a quebra de dormência de gemas de videiras não são atendidas, e apenas os produtos altamente tóxicos CaCN2 e H2CN2 são recomendados na viticultura convencional para quebra de ...
Botelho, Renato Vasconcelos   +4 more
core   +2 more sources

Two of a kind? Large-scale land acquisitions and commodity frontier expansion in Argentina's Dry Chaco

open access: yesEcology and Society, 2022
Land-use change (LUC) driven by commodity agriculture over the last 20 years has been particularly extensive in the Dry Chaco region of Argentina, which surpassed the Amazon during that time to become one of the top three global deforestation hotspots ...
Nicholas R. Magliocca   +6 more
doaj   +1 more source

Cap rock efficiency of geothermal systems in fold-and-thrust belts: Evidence from paleo-thermal and structural analyses in Rosario de La Frontera geothermal area (NW Argentina) [PDF]

open access: yes, 2016
Cap rock characterization of geothermal systems is often neglected despite fracturing may reduce its efficiency and favours fluid migration. We investigated the siliciclastic cap rock of Rosario de La Frontera geothermal system (NW Argentina) in order to
Aldega, L.   +7 more
core   +2 more sources

Identifying diverging sustainability meanings for water policy: a Q-method study in Phoenix, Arizona

open access: yesWater Policy, 2021
We identify and describe social perspectives on the sustainability of the water sector in the metropolitan area of Phoenix, Arizona. Using Q methodology, we find evidence for different meanings of sustainability when stakeholders are presented with ...
M. A. Iribarnegaray   +5 more
doaj   +1 more source

Fertirrigação e regulador de crescimento na produção de mudas de café em tubete [PDF]

open access: yes, 2018
The use of quality seedlings is important in establishing a productive coffee crop. However, the most widely used method to produce coffee seedlings is time consuming (6-12 months) and lacks new production technologies.
Carvalho, Mychelle   +4 more
core   +5 more sources

MORPHOMETRIC ANALISIS OF VULCANIC ASHES BY DIGITAL HOLOGRAFIC MICROSCOPY

open access: yesAnales (Asociación Física Argentina), 2020
Volcanic ashes features, such as their shapes, textures and sizes, influence their aerodynamic behavior, travel distances, sedimentation and dispersion rates.
M. F. Martínez   +4 more
doaj   +1 more source

Dynamics of Melting Process in Phase Change Material Windows Determined Based on Direct Light Transmission

open access: yesEnergies, 2021
Detailed analyses of melting processes in phase change material (PCM) glazing units, changes of direct transmittance as well as investigation of refraction index were provided based on laboratory measurements.
Dariusz Heim   +5 more
doaj   +1 more source

Organic and conventional tomato cropping systems. [PDF]

open access: yes, 2004
Among several alternative agricultural systems have been developed, organic agriculture has deserved increasing interest from. The objective of this paper was comparing both organic (OS) and conventional (CS) tomato cropping systems for varieties Débora ...
ABBASI P.A.   +16 more
core   +3 more sources

Home - About - Disclaimer - Privacy