INFLUENCIA DE LA CALIDAD DEL AGUA Y DEL ABONO SOBRE LAS FRACCIONES ORGÁNICAS EN SUELOS DE LA PAMPA.

Bibliographic Details
Title: INFLUENCIA DE LA CALIDAD DEL AGUA Y DEL ABONO SOBRE LAS FRACCIONES ORGÁNICAS EN SUELOS DE LA PAMPA.
Alternate Title: WATER QUALITY AND MANURE INFLUENCE ON ORGANIC FRACTIONS OF LA PAMPA SOILS.
Authors: Huespe, Daiana Susana1 huespe.daiana@inta.gob.ar, Galantini, Juan Alberto2,3, Baraldi, Luciano Martín4, Álvarez, Cristian5,6
Source: Ciencia del Suelo. dic2024, Vol. 42 Issue 2, p138-153. 16p.
Subject Terms: *SANDY loam soils, *IRRIGATION water quality, *WATER efficiency, *SANDY soils, *LETTUCE
Abstract (English): The use of saline water in horticultural systems degrades soil and reduces productivity. The objective of this study was to analyze how irrigation water quality and the application of organic manure affect lettuce (Lactuca sativa L.) productivity and organic carbon fractions in characteristic on two soils of different textures of central La Pampa province. Lettuce cultivation was evaluated in two soils, one sandy and one sandy loam soils. The main treatment was irrigation with water of contrasting electrical conductivity (CE): 1.0 (low salinity) and 2.0 (high salinity) dS m-1. Fertilization was carried out at a dose of 100 kg N ha-1, using three combinations of organic manure and urea sources: C0 (100:0), C2 (70:30) and C4 (40:60). Four consecutive cycles were evaluated during the years 2020 and 2021. The following variables were analyzed: root dry matter (MSR), aboveground dry matter (MSA) and total dry matter (MST), the MSA/MSR ratio, water use efficiency and growth rate. Total (COT) and particulate (COP) organic carbon were determined. When evaluating the cumulative effect, a significant interaction was observed between the sandy textured soil and the sandy loam soil (p < 0.05). In the sandy soil, the maximum MST value (1504 kg ha-1) was obtained under low salinity irrigation water, in comparison with a decrease of 18% when irrigated with water with an CE of 2.0 dS m-1. In contrast, in the sandy loam soil the maximum MST value (1385 kg ha-1) was obtained with low salinity water with a decrease of 54% when irrigated with water with CE of 2.0 dS m-1. In such soil, the application of organic manure helped mitigate the effect of saline water on the MST, MSA and MSR variables. The changes in the COP produced by the treatments were different in each soil. The lability indexes were more sensitive to management practices in the sandy soil. The organic carbon index was sensitive to show differences in sandy loam soil. Soil texture determines the response of lettuce to the application of water and organic manure. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): El uso de agua salina en sistemas hortícolas degrada el suelo y reduce la productividad. El objetivo de este estudio fue analizar cómo el agua de diferente calidad y la aplicación de abono orgánico afectan la productividad de lechuga (Lactuca sativa L.) y las fracciones de carbono orgánico en dos suelos de diferentes texturas característicos del centro de La Pampa. Se evaluó el cultivo de lechuga en dos suelos, uno arenoso y otro franco arenoso. El tratamiento principal se regó con agua de conductividad eléctrica de 1,0 (baja salinidad) y 2,0 (alta salinidad) dS m-1. Se fertilizó con una dosis de 100 kg N ha-1, usando tres combinaciones de las fuentes abono orgánico y urea: C0 (100:0), C2 (70:30) y C4 (40:60). Se evaluaron cuatro ciclos consecutivos durante los años 2020 y 2021. Se analizó: materia seca de raíces (MSR), aérea (MSA) y total (MST), la relación MSA/MSR, la eficiencia de uso del agua y la tasa de crecimiento. Se determinó el carbono orgánico (CO) total (COT) y el CO particulado (COP). Al evaluar el efecto acumulado se observó una interacción significativa entre el suelo de textura arenosa y el de textura franco arenosa (p<0,05). En el suelo arenoso el valor máximo de MST (1504 kg ha-1) se obtuvo con agua de CE de 1,0 dS m-1 con una disminución de 18% cuando se regó con agua con CE de 2,0 dS m-1. Mientras que, en el suelo franco arenoso el valor máximo de MST (1385 kg ha-1) se obtuvo con agua de 1,0 dS m-1 con una disminución de 54% cuando se regó con agua con CE de 2,0 dS m-1. En el suelo franco arenoso la aplicación de abono orgánico ayudó a mitigar el efecto del agua salina en las variables MST, MSA y MSR. Los cambios en el COP producidos por los tratamientos fueron diferentes en ambos suelos. Los índices de labilidad fueron más sensibles en el suelo arenoso para evidenciar cambios asociados al manejo. El índice de carbono orgánico fue sensible para evidenciar diferencias en el suelo franco arenoso. La textura del suelo condiciona la respuesta a la aplicación de agua y abono orgánico. [ABSTRACT FROM AUTHOR]
Copyright of Ciencia del Suelo is the property of Asociacion Argentina de la Ciencia del Suelo (AACS) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: INFLUENCIA DE LA CALIDAD DEL AGUA Y DEL ABONO SOBRE LAS FRACCIONES ORG&#193;NICAS EN SUELOS DE LA PAMPA.
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  Data: WATER QUALITY AND MANURE INFLUENCE ON ORGANIC FRACTIONS OF LA PAMPA SOILS.
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Ciencia+del+Suelo%22&quot;&gt;Ciencia del Suelo&lt;/searchLink&gt;. dic2024, Vol. 42 Issue 2, p138-153. 16p.
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  Data: *&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22SANDY+loam+soils%22&quot;&gt;SANDY loam soils&lt;/searchLink&gt;&lt;br /&gt;*&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22IRRIGATION+water+quality%22&quot;&gt;IRRIGATION water quality&lt;/searchLink&gt;&lt;br /&gt;*&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22WATER+efficiency%22&quot;&gt;WATER efficiency&lt;/searchLink&gt;&lt;br /&gt;*&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22SANDY+soils%22&quot;&gt;SANDY soils&lt;/searchLink&gt;&lt;br /&gt;*&lt;searchLink fieldCode=&quot;DE&quot; term=&quot;%22LETTUCE%22&quot;&gt;LETTUCE&lt;/searchLink&gt;
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: The use of saline water in horticultural systems degrades soil and reduces productivity. The objective of this study was to analyze how irrigation water quality and the application of organic manure affect lettuce (Lactuca sativa L.) productivity and organic carbon fractions in characteristic on two soils of different textures of central La Pampa province. Lettuce cultivation was evaluated in two soils, one sandy and one sandy loam soils. The main treatment was irrigation with water of contrasting electrical conductivity (CE): 1.0 (low salinity) and 2.0 (high salinity) dS m-1. Fertilization was carried out at a dose of 100 kg N ha-1, using three combinations of organic manure and urea sources: C0 (100:0), C2 (70:30) and C4 (40:60). Four consecutive cycles were evaluated during the years 2020 and 2021. The following variables were analyzed: root dry matter (MSR), aboveground dry matter (MSA) and total dry matter (MST), the MSA/MSR ratio, water use efficiency and growth rate. Total (COT) and particulate (COP) organic carbon were determined. When evaluating the cumulative effect, a significant interaction was observed between the sandy textured soil and the sandy loam soil (p &lt; 0.05). In the sandy soil, the maximum MST value (1504 kg ha-1) was obtained under low salinity irrigation water, in comparison with a decrease of 18% when irrigated with water with an CE of 2.0 dS m-1. In contrast, in the sandy loam soil the maximum MST value (1385 kg ha-1) was obtained with low salinity water with a decrease of 54% when irrigated with water with CE of 2.0 dS m-1. In such soil, the application of organic manure helped mitigate the effect of saline water on the MST, MSA and MSR variables. The changes in the COP produced by the treatments were different in each soil. The lability indexes were more sensitive to management practices in the sandy soil. The organic carbon index was sensitive to show differences in sandy loam soil. Soil texture determines the response of lettuce to the application of water and organic manure. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Spanish)
  Group: Ab
  Data: El uso de agua salina en sistemas hort&#237;colas degrada el suelo y reduce la productividad. El objetivo de este estudio fue analizar c&#243;mo el agua de diferente calidad y la aplicaci&#243;n de abono org&#225;nico afectan la productividad de lechuga (Lactuca sativa L.) y las fracciones de carbono org&#225;nico en dos suelos de diferentes texturas caracter&#237;sticos del centro de La Pampa. Se evalu&#243; el cultivo de lechuga en dos suelos, uno arenoso y otro franco arenoso. El tratamiento principal se reg&#243; con agua de conductividad el&#233;ctrica de 1,0 (baja salinidad) y 2,0 (alta salinidad) dS m-1. Se fertiliz&#243; con una dosis de 100 kg N ha-1, usando tres combinaciones de las fuentes abono org&#225;nico y urea: C0 (100:0), C2 (70:30) y C4 (40:60). Se evaluaron cuatro ciclos consecutivos durante los a&#241;os 2020 y 2021. Se analiz&#243;: materia seca de ra&#237;ces (MSR), a&#233;rea (MSA) y total (MST), la relaci&#243;n MSA/MSR, la eficiencia de uso del agua y la tasa de crecimiento. Se determin&#243; el carbono org&#225;nico (CO) total (COT) y el CO particulado (COP). Al evaluar el efecto acumulado se observ&#243; una interacci&#243;n significativa entre el suelo de textura arenosa y el de textura franco arenosa (p&lt;0,05). En el suelo arenoso el valor m&#225;ximo de MST (1504 kg ha-1) se obtuvo con agua de CE de 1,0 dS m-1 con una disminuci&#243;n de 18% cuando se reg&#243; con agua con CE de 2,0 dS m-1. Mientras que, en el suelo franco arenoso el valor m&#225;ximo de MST (1385 kg ha-1) se obtuvo con agua de 1,0 dS m-1 con una disminuci&#243;n de 54% cuando se reg&#243; con agua con CE de 2,0 dS m-1. En el suelo franco arenoso la aplicaci&#243;n de abono org&#225;nico ayud&#243; a mitigar el efecto del agua salina en las variables MST, MSA y MSR. Los cambios en el COP producidos por los tratamientos fueron diferentes en ambos suelos. Los &#237;ndices de labilidad fueron m&#225;s sensibles en el suelo arenoso para evidenciar cambios asociados al manejo. El &#237;ndice de carbono org&#225;nico fue sensible para evidenciar diferencias en el suelo franco arenoso. La textura del suelo condiciona la respuesta a la aplicaci&#243;n de agua y abono org&#225;nico. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: &lt;i&gt;Copyright of Ciencia del Suelo is the property of Asociacion Argentina de la Ciencia del Suelo (AACS) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder&#39;s express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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      – Code: spa
        Text: Spanish
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        PageCount: 16
        StartPage: 138
    Subjects:
      – SubjectFull: SANDY loam soils
        Type: general
      – SubjectFull: IRRIGATION water quality
        Type: general
      – SubjectFull: WATER efficiency
        Type: general
      – SubjectFull: SANDY soils
        Type: general
      – SubjectFull: LETTUCE
        Type: general
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      – TitleFull: INFLUENCIA DE LA CALIDAD DEL AGUA Y DEL ABONO SOBRE LAS FRACCIONES ORGÁNICAS EN SUELOS DE LA PAMPA.
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              Text: dic2024
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              Y: 2024
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