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Mostrando ítems 81-90 de 170
Artículo
Effects of culture system and substrate composition on micropropagated plantlets of two varieties of Stevia rebaudiana bert
(MDPI AG, 2023-02)
Background: Secondary metabolites in stevia leaves offer important therapeutic benefits. The germination problems of stevia seeds and the high heterogeneity of the resulting populations make micropropagation the preferred ...
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Modelo de evaluación paramétrica de suelos forestales basado en sus propiedades químicas
(Sociedad Española de Ciencia del Suelo, 1998)
En este trabajo se propone un modelo paramétrico de evaluación forestal para áreas de montaña mediterránea basado en las propiedades químicas del suelo y se diseña un programa informático, denominado "Evaluator", que realiza ...
Artículo
Soil erosion, Serra de Grândola (Portugal)
(Taylor & Francis Open Access, 2016)
Soil erosion has long been the subject of attention for environmental management researchers because it implies the loss of a key natural resource for sustaining life. Several methodologies for soil erosion assessment ...
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Artículo
Clasificación automática de elementos geomorfológicos en la cuenca del rio Tepalcatepec (México) a partir de un modelo digital de elevaciones
(2005)
El objetivo principal de este trabajo de investigación es la realización de un análisis detallado del medio físico de la cuenca del Río Tepalcatepec (estados de Jalisco y Michoacán, México). La superficie total de la cuenca ...
Artículo
Effects of an integrated harvest system on the quality of olive fruit for small producers
(CSIC, 2021)
Small producers confront specific challenges when they opt to produce high-quality olive fruit. Limited resources for investing in harvest machinery and manpower are the main reasons for continuing a traditional harvest ...
Artículo
Mixed-Layer Illite-Smectite Illitization under Supercritical CO2 Conditions
(MDPI, 2022)
The long-term safe storage of CO2 in geological reservoirs requires the understanding of the impact of CO2 on clay-rich sealing cap rocks. The reactivity of the mixed layer of illite-smectite was investigated to determine ...
Artículo
First tracks of newborn straight-tusked elephants (Palaeoloxodon antiquus)
(Nature Research, 2021)
Tracks and trackways of newborns, calves and juveniles attributed to straight-tusked elephants were found in the MIS 5 site (Upper Pleistocene) known as the Matalascañas Trampled Surface (MTS) at Huelva, SW Spain. Evidence ...
Artículo
Effects of fire on ash thickness in a Lithuanian grassland and short-term spatio-temporal changes
(European Geosciences Union, 2012-12)
Ash thickness is a key variable in the protection of soil against erosion agents after planned and unplanned fires. Thicker ash provides better protection against raindrop impact and reduces the runoff response by retaining ...