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      Soil and crop spatial variability in maize irrigated with domestic effluent Translated title: Variabilidad espacial de suelos y cultivos en maíz regado con efluente doméstico

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          Abstract

          Abstract Wastewater use in agriculture is a high-potential alternative for coping with water scarcity. The present study aimed to evaluate the impact of using wastewater and sewage sludge on soil attributes in an irrigated maize plantation in the Brazilian northeastern semi-arid region, at an experimental reuse unit. Two experimental plots were installed with the following treatments: wastewater and sludge, and irrigation with wastewater only. The presence of sludge reduced the salt content and promoted an increase in the soil organic matter content, reducing the salinization risk. Biometric parameters showed no spatial dependence. On the other hand, soil moisture, electrical conductivity, sand content, clay content and sodium and potassium contents showed strong spatial dependence for the treatment with sludge application.

          Translated abstract

          Resumen El uso de aguas residuales en la agricultura es una alternativa de alto potencial para hacer frente a la escasez de agua. El presente estudio tuvo como objetivo evaluar el impacto del uso de aguas residuales y lodos de depuradora en los atributos del suelo en una siembra de maíz bajo riego en el semiárido nororiental brasileño, en una unidad de reutilización experimental. Se instalaron dos parcelas experimentales con los siguientes tratamientos: aguas residuales y lodos, y riego con aguas residuales únicamente. La presencia de lodos redujo el contenido de sal y promovió un aumento en el contenido de materia orgánica del suelo, reduciendo el riesgo de salinización. Los parámetros biométricos no mostraron dependencia espacial. Por otro lado, la humedad del suelo, la conductividad eléctrica, el contenido de arena, arcilla y el contenido de sodio y potasio mostraron una fuerte dependencia espacial para el tratamiento con aplicación de lodos.

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          Field-Scale Variability of Soil Properties in Central Iowa Soils

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            Applications of soil physics

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              Comparative analysis of different techniques for spatial interpolation of rainfall data to create a serially complete monthly time series of precipitation for Sicily, Italy

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                Author and article information

                Journal
                dyna
                DYNA
                Dyna rev.fac.nac.minas
                Universidad Nacional de Colombia (Medellín, Antioquia, Colombia )
                0012-7353
                2346-2183
                December 2021
                : 88
                : 219
                : 111-117
                Affiliations
                [1] Recife Pernambuco orgnameUniversidade Federal Rural de Pernambuco orgdiv1Department of Agricultural Engineering Brazil thayna_tau@ 123456hotmail.com
                [2] Recife PE orgnameState Agricultural Corporation Brazil nildo.tabosa@ 123456ipa.br
                Article
                S0012-73532021000400111 S0012-7353(21)08821900111
                10.15446/dyna.v88n219.92874
                55b1cec7-6492-4e20-98d2-c75237e7605a

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 18 January 2021
                : 22 September 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 29, Pages: 7
                Product

                SciELO Colombia

                Categories
                Articles

                drip irrigation,geostatistics,semi-arid region,reutilización,riego por goteo,Semi árido,geoestadística,reuse

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