Results 1 to 10 of about 14,648 (198)

Calibration of volumetric soil moisture using Landsat-8 and Sentinel-2 satellite imagery by Google Earth Engine

open access: yesRevista de Teledetección, 2023
Water scarcity for agriculture is increasingly evident due to climatic alterations and inadequate management of this resource. Therefore, developing digital models that help improve water resource management to provide solutions to agronomic problems in ...
José Rodolfo Quintana-Molina   +5 more
doaj   +1 more source

Stimulating Tropical Soils with Na+ Cl- Radicals and Reclamation of Na+ Cl- Salinity Using Biochar and Hydro-Leaching Technology: A Sustainable Strategy for Management of Saline and Sodic Soils Under Climate Change

open access: yesRevista Iberoamericana de Bioeconomía y Cambio Climàtico, 2022
Humanity suffered far-more-than 80% increase in environmental-climatic-ecosystem-degradation. As a modality towards sustainable-solution to salt-soil toxicity with climate-change, and for the reclamation/management of global Salt Affected-Soils, this ...
M. S. Adiaha
doaj   +1 more source

Changes in abscisic acid metabolism in relation to the maturation of grapevine (Vitis vinifera L., cv. Mencía) somatic embryos

open access: yesBMC Plant Biology, 2020
Background Somatic embryogenesis in grapevines is a complex process that depends on many physiological and genetic factors. One of its main limitations is the process of precocious germination of the somatic embryos in differentiation medium.
Yosvanis Acanda   +4 more
doaj   +1 more source

Dynamic of Phenolic Compounds in Guadua angustifolia Kunth under Chemical, Organic, and Biological Fertilization

open access: yesAgronomy, 2023
Guadua angustifolia produces phenolic compounds, and this production may be influenced by the application of chemical, organic, and biological fertilizers.
Juan José Sánchez-Matiz   +4 more
doaj   +1 more source

Simulating water distribution patterns for fixed spray plate sprinkler using the ballistic theory

open access: yesSpanish Journal of Agricultural Research, 2014
Ballistic simulation of the spray sprinkler for self-propelled irrigation machines requires the incorporation of the effect of the jet impact with the deflecting plate.
Sofiane Ouazaa   +4 more
doaj   +1 more source

Determination of gibberellic acid and abscisic acid in (Zea mays L.) (ICA-V305) seeds germinated using dynamic sonication assisted solvent extraction and maceration

open access: yesMethodsX, 2022
Phytohormones are molecules responsible for growth, development, and metabolism regulation in plants. Gibberellic acid (GA3) and abscisic acid (ABA) are the main phytohormones involved in seed germination.
Juan David Rivera   +3 more
doaj   +1 more source

Corrección de la acidez del suelo: alteraciones químicas del suelo [PDF]

open access: yesRevista Cenicafé, 2020
La alternativa más común para corregir la acidez del suelo consiste en el empleo de enmiendas calcáreas. El objetivo de esta investigación fue determinar el efecto del encalamiento en la fertilidad de algunos suelos representativos de la zona cafetera de Colombia.
Siavosh Sadeghian, Carolina Díaz Marín
openaire   +1 more source

Consideraciones de la Administración sobre la aplicación de la reglamentación a edificios existentes

open access: yesInformes de la Construccion, 2012
La aplicación de la reglamentación en el ámbito de la edificación existente es una problemática difícil, que preocupa a todos los técnicos. La pregunta de si es posible alcanzar los niveles de prestación demandados en la actualidad y recogidos en la ...
L. Vega, J. L. Posada
doaj   +1 more source

Persistence of water repellency in coarse-textured soils under various types of forests in NW Spain

open access: yesJournal of Hydrology and Hydromechanics, 2019
The primary purpose of this work was to assess the persistence of water repellency in the surface horizon of coarse-textured soils under natural Quercus robur ecosystems, and Pinus pinaster and Eucalyptus globulus plantations, in the northwest of the ...
Benito Elena   +2 more
doaj   +1 more source

Limiting factors for Vitis vinifera L., Albariño variety production in soils dedicated to the vineyard single-crop system

open access: yesOENO One, 2003
With the purpose of studying the influence of Vitis vinifera L. (Albariño variety) single-crop system on the limiting edaphic factors for the grape production four plots dedicated to this single-crop during 6, 12, and 100 years were selected.
Purificación Marcet   +3 more
doaj   +1 more source

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