Results 11 to 20 of about 67 (58)

Impacts of a hydroinfiltrator rainwater harvesting system on soil moisture regime and groundwater distribution for olive groves in semi-arid Mediterranean regions

open access: yesGeoderma, 2023
Dry periods in semi-arid regions constitute one of the greatest hazardous features that agriculture faces. This study investigates the effects of using a new device called ‘Hydroinfiltrator Rainwater Harvesting System (HRHS) on the water balance of soils.
Raul Rojano-Cruz   +10 more
doaj   +1 more source

Ecotoxicity and Biodegradability of Oxytetracycline and Ciprofloxacin on Terrestrial and Aquatic Media

open access: yesOrbital: The Electronic Journal of Chemistry, 2018
Antibiotics are widely found in the environment. For this work, two antibiotics were chosen: oxytetracycline (OTC), used for human and veterinary purposes, and ciprofloxacin (CIP), prescribed for human medicine.
Cláudio Ernesto Taveira Parente   +2 more
doaj   +3 more sources

Use of a Biostimulant Obtained from Slaughterhouse Sludge in a Greenhouse Tomato Crop

open access: yesHorticulturae, 2022
Currently, the use of biostimulants is widespread in sustainable agriculture because they represent an alternative to chemical fertilizers. In this manuscript, we investigate the response of a greenhouse tomato crop grown in pots to a biostimulant ...
Paloma Ávila-Pozo   +3 more
doaj   +1 more source

Application of a Protein Hydrolysate-Based Biostimulant Obtained from Slaughterhouse Sludge on Pepper Crops

open access: yesHorticulturae, 2023
Currently, biostimulants obtained from protein hydrolysates are considered essential agronomic tools to promote sustainable agriculture without the use of chemical fertilizers.
Paloma Ávila-Pozo   +4 more
doaj   +1 more source

Why Should We Be Concerned with the Use of Spent Coffee Grounds as an Organic Amendment of Soils? A Narrative Review

open access: yesAgronomy, 2022
Spent coffee grounds (SCG) are produced in massive amounts throughout the world as a bio-residue from coffee brewing. However, SCG are rich in carbohydrates, proteins, lipids, bioactive compounds and melanoidins, which are macromolecules with chelating ...
Sergio Pérez-Burillo   +5 more
doaj   +1 more source

Study of sustainable HDPE-based materials for aquaculture applications: effects on fouling

open access: yesFrontiers in Marine Science, 2023
This study addresses one of the most common problems faced by the marine sector, namely the accumulation of organic matter and organisms on submerged surfaces.
Eva Sanjuan   +4 more
doaj   +1 more source

Consolidating and water repellent treatments applied to wet and salt contaminated granite

open access: yesMateriales de Construccion, 2000
A comparison was made of the efficacy of two consolidants and two water repellents applied to samples of granite under optimum conditions, with the efficacy of the same products applied to the granite in the presence of soluble salts or water. The amount
B. Silva, T. Rivas, B. Prieto
doaj   +1 more source

Contribución al estudio paleobotánico mediante análisis de polen

open access: yesEstudios Geologicos, 1988
El análisis de dos series sedimentarias orgánicas, situadas sobre el nivel actual del mar, localizadas una en la costa atlántico-meridional y otra en la cantábrica de Galicia (España), ha puesto de manifiesto la existencia de una importante cobertura ...
Mª P. Saa Otero   +1 more
doaj   +1 more source

Un modelo de mapa neotectónico en la región Nor-oriental de la provincia de Valencia (España)

open access: yesEstudios Geologicos, 1987
Se realiza un modelo de mapa neotectónico en el área Nor-oriental de la provincia de Valencia. Dicha zona está sometida a una tectónica distensiva desde el Mioceno inferior-medio a la actualidad, dentro de la cual pueden ser distinguidas varias fases ...
J. Martínez Gallego, J. L. Goy, C. Zazo
doaj   +1 more source

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