Fecha/hora: 08/06/2024 02:05:24

Biblioteca(s): | INIA La Estanzuela.
Fecha corriente: | 12/10/2015
Fecha de la última actualización: | 01/09/2022
Autoria: | CARRASCO-LETELIER, L.; BERETTA, A.; BASSAHÚN, D.; GARCÍA, L.; MUSSELLI, R.; TORRES, D.; TORRES, O.
Afiliación: | LEONIDAS CARRASCO LETELIER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANDRES NICOLAS BERETTA BLANCO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; DANIEL FERNANDO BASSAHUN RODRIGUEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LETICIA IRENE GARCIA BARRETO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; BEATRIZ RAQUEL MUSSELLI NEGRIN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; DEBORAH LUCIANA TORRES GUERRERO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; OSCAR ALBERTO TORRES FUNES, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.
Título: | Survey of Uruguayan freshwater water quality for crop irrigation: abstract.
Año de publicación: | 2015
Fuente/Imprenta: | Agrociencia Uruguay, v. 19, special issue "Inter-Regional CIGR Conference on Land and Water Challenges, 3., La Estanzuela, Colonia, UY. Tools for developing; "Dr. Mario García Petillo"", p. 73, 2015.
ISSN: | 1510-0839.
Idioma: | Inglés
Notas: | En versión electrónica difiere la paginación: Agrociencia Uruguay, v. 19, special issue, p. 77, 2015.

Contenido:

The increase in global demand for food and biofuels, has led to an high demand for agricultural products. That situation implies
an intensification of production systems, and develop strategies to ensure stability against drought, and moreover a better levels
of productivity. Objectives that could be achieved with the irrigation of crops; however, it can promote negative impacts due to
cumulative effects on soil quality, which depend on the chemical composition of the water used. This paper show the results of
a national study of freshwater quality, on 100 river watersheds (up to 100,000 ha), which correspond to a cumulative drainage
area of 70% of country surface. In these freshwaters the following parameters was evaluated: electrical conductivity, concentration
of major cations (Na, K, Ca, Mg), alkalinity, and pH. The results showed Ca, Mg, K, and Na concentrations in ranges of 0.0-
45.1, 0.0-14.1, 0.019-16.8, and 0.78 -139 mg L-1, respectively. The alkalinity was in range of 32 to 420 CaCO3 mg L-1, and this
variable was the most important contribution to get the different values of electrical conductivity of water, which had values
between 71.6 and 1047 micro Siemens cm-1. These features allow propose at least 3 freshwater ecoregions (coastal and
central-south; basalt; Northeast and southeast) at Uruguay, based on the chemical composition of studied freshwaters. Moreover,
SAR values (([Na] / [(Ca + Mg) / 2] 1/2) of these waters shown a 99% of them has good quality characteristics for the
development of irrigation, because they have a SAR below 10.

Palabras-Clave: | AGUA PARA RIEGO; EVALUACIÓN DE RECURSOS HÍDRICOS.
Thesagro: | CALIDAD DEL AGUA; RIEGO; URUGUAY.
Categoría del tema: | F06 Riego
URL: | http://www.ainfo.inia.uy/digital/bitstream/item/5058/1/Agrociencia-Congreso-CIGR2015-v.19.si.p.77-CARRASCO-LETELIER.pdf
Registro original: | INIA La Estanzuela (LE)

Ejemplares:

LE - (101173-1) - INI - PC - PP - LE-PP/AGROCIENCIA URUGUAY/ - 2015/19/si - . . . . . - DIS
LE - (101173-2) - INI - PC - DD -  -  -  - DIS