Results 21 to 30 of about 14,825 (219)

Effect of foliar application of Trichoderma on the quality of tomato fruits grown in different hydroponic substrates

open access: yesFolia Horticulturae, 2019
The quality of tomato fruits is influenced by preharvest factors. Trichoderma are considered biostimulants with potential to improve growth and development in plants, as well as the quality of the fruits.
Palacios-Torres Rogelio Enrique   +6 more
doaj   +1 more source

Línea de ferrocarril de La Fregeneda (Salamanca) a Barca D’Alva (Portugal). 13 puentes y 20 túneles en 17 km

open access: yesInformes de la Construccion, 2023
Los 17 km de ferrocarril entre La Fregeneda (Salamanca) y Barca de Alba (Portugal), conocidos como el “Camino de Hierro“ discurren a media ladera siguiendo el curso del río Águeda hasta el muelle de Vega de Terrón.
María Teresa Rebollo Alonso
doaj   +1 more source

Vibrations Analysis of the Fruit-Pedicel System of Coffea arabica var. Castillo Using Time–Frequency and Wavelets Techniques

open access: yesApplied Sciences, 2021
Colombian coffee production is well-known, and selective manual harvesting plays a vital task in guaranteeing high ripe coffee fruit rates in this process, leading to its known worldwide aroma and flavor.
Carlos I. Cardona   +4 more
doaj   +1 more source

Evaluation of the environmental impact of dry chemical silage obtained from the viscera of red tilapia (Oreochromis spp.) using ecological footprint methodology

open access: yesHeliyon, 2021
Fish production worldwide has increased over the years due to increased populations and interest from consumers. This has led to an increase in the waste produced by this industry, with viscera being particularly notable as one of the main sources of ...
Yhoan Sebastian Gaviria Gaviria   +2 more
doaj   +1 more source

Los trabajadores del Ferrocarril de Tehuantepec y la huelga “olvidada” de Rincón Antonio (1903)

open access: yesSecuencia, 2016
En este artículo pretendemos, a partir de fuentes principales como son los telegramas enviados durante el conflicto, demostrar que la huelga de trabajadores de Rincón Antonio –pequeña población oaxaqueña del Istmo– fue uno de las primeras acciones de ...
Mauricio Sedano Ortega
doaj   +1 more source

Exercise Adaptation as an Immunometabolic Process: A Systems-Level Perspective on NLRP3 Inflammasome Activation and PPARD-Mediated Metabolic Signaling

open access: yesPhysiologia
Background: Exercise adaptation is increasingly recognized as an immunometabolic process driven by coordinated interactions among inflammatory signaling, mitochondrial regulation, metabolic homeostasis, and recovery-associated physiology.
Carlos Andrés Restrepo-Pardo   +4 more
doaj   +1 more source

La Tehuantepec Railroad Company y la construcción de una vía interoceánica (1850-1852)

open access: yesSecuencia, 2002
La cuestión de Tehuantepec constituyo, a mediados del siglo XIX, el tema más importante entre las relaciones entre México y Estados Unidos. Este país iniciaba entonces el paso gradual del expansionismo territorial hacia uno de carácter económico, Los ...
Ana Rosa Suárez Argüello
doaj   +1 more source

La evolución del empleo en el sector ferroviario español, 1893-1935 [PDF]

open access: yes, 2001
Editada en la Fundación Empresa PúblicaEn este trabajo se presenta una estimación inédita sobre la oferta de empleo en el sector ferroviario español entre 1893 y 1935.
Ballesteros Doncel, Esmeralda   +3 more
core   +1 more source

Negociando el derrumbe de la muralla: el Ferrocarril Mexicano en la política urbanística del puerto de Veracruz, 1863-1885

open access: yesOficio, Revista de Historia e Interdisciplina, 2020
En 1885 Veracruz era una de las ciudades mejor comunicadas del país; ahí llegaban tres líneas troncales de los ferrocarriles más importantes y contaba con un complejo sistema de tranvías urbanos.
Dora Cecilia Sánchez-Hidalgo
doaj   +1 more source

Phylogenetic analysis and the recognition of a new genus for Mexican Crassulaceae segregated from Echeveria

open access: yesTAXON, Volume 75, Issue 3, June 2026.
Abstract Systematic knowledge of the Mexican Crassulaceae is slowly progressing as data from new DNA regions and species sampling efforts increase. We compiled and generated new rbcL, matK, rps16, ITS/ITS2, and ETS DNA sequences and performed an updated phylogenetic reconstruction for a group of 131 Mexican Crassulaceae terminals from 11 of the 13 ...
Luis Emilio de la Cruz‐López   +1 more
wiley   +1 more source

Home - About - Disclaimer - Privacy