Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges

The purpose of this study was to analyze the spatial variability of soil properties and productivity and the chemical and physical properties of oranges (Monte Parnaso variety) in their geographical quadrants. This experiment was conducted in a commercial orange orchard in the municipality of Nova L...

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Autores principales:	Nicolau,Rafaela F, Mercante,Erivelto, Maggi,Marcio F, de Souza,Eduardo G, Gasparin,Eloi
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2014
Materias:	Citriculture geostatistics spatial variability
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300006
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spelling	oai:scielo:S0718-162020140003000062015-02-25Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of orangesNicolau,Rafaela FMercante,EriveltoMaggi,Marcio Fde Souza,Eduardo GGasparin,Eloi Citriculture geostatistics spatial variability The purpose of this study was to analyze the spatial variability of soil properties and productivity and the chemical and physical properties of oranges (Monte Parnaso variety) in their geographical quadrants. This experiment was conducted in a commercial orange orchard in the municipality of Nova Laranjeiras in the State of Paraná, Brazil. A GPS receiver and a total station were used to measure the spatial location of the fruit and to determine which quadrant they were located in. In this experiment, 13 trees were studied. Twelve fruits were evaluated in each geographical quadrant, and 156 fruits were considered. After harvest, the productivity was expressed as kg per quadrant (kg quadrant-1). Next, physical tests (equatorial diameter (EqD), total fruit mass (TFM), juice yield (JY)) and chemical tests (total soluble solids (TSS), total titrable acidity (TTA), the TSS/TTA ratio, and the ascorbic acid (AA) content) were conducted in the laboratory. In addition, the data were subjected to analysis by descriptive statistics and geostatistics to determine the spatial variability of the physical and chemical properties of the oranges, the variations of the soil properties and the correlations between the following parameters: the pH properties of the fruit and Zn; TFM and K; EqD and K, and C and TSS. The orchard varies spatially, especially regarding the EqD, TFM, JcP, TSS and AA for the quadrants with the highest values (the Northwest, Southeast, Northeast, Southwest and Southeast, respectively). The soil potassium and zinc contents were strongly correlated with the physical and chemical properties of the orange fruits.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.41 n.3 20142014-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300006en10.4067/S0718-16202014000300006
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Citriculture geostatistics spatial variability
spellingShingle	Citriculture geostatistics spatial variability Nicolau,Rafaela F Mercante,Erivelto Maggi,Marcio F de Souza,Eduardo G Gasparin,Eloi Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges
description	The purpose of this study was to analyze the spatial variability of soil properties and productivity and the chemical and physical properties of oranges (Monte Parnaso variety) in their geographical quadrants. This experiment was conducted in a commercial orange orchard in the municipality of Nova Laranjeiras in the State of Paraná, Brazil. A GPS receiver and a total station were used to measure the spatial location of the fruit and to determine which quadrant they were located in. In this experiment, 13 trees were studied. Twelve fruits were evaluated in each geographical quadrant, and 156 fruits were considered. After harvest, the productivity was expressed as kg per quadrant (kg quadrant-1). Next, physical tests (equatorial diameter (EqD), total fruit mass (TFM), juice yield (JY)) and chemical tests (total soluble solids (TSS), total titrable acidity (TTA), the TSS/TTA ratio, and the ascorbic acid (AA) content) were conducted in the laboratory. In addition, the data were subjected to analysis by descriptive statistics and geostatistics to determine the spatial variability of the physical and chemical properties of the oranges, the variations of the soil properties and the correlations between the following parameters: the pH properties of the fruit and Zn; TFM and K; EqD and K, and C and TSS. The orchard varies spatially, especially regarding the EqD, TFM, JcP, TSS and AA for the quadrants with the highest values (the Northwest, Southeast, Northeast, Southwest and Southeast, respectively). The soil potassium and zinc contents were strongly correlated with the physical and chemical properties of the orange fruits.
author	Nicolau,Rafaela F Mercante,Erivelto Maggi,Marcio F de Souza,Eduardo G Gasparin,Eloi
author_facet	Nicolau,Rafaela F Mercante,Erivelto Maggi,Marcio F de Souza,Eduardo G Gasparin,Eloi
author_sort	Nicolau,Rafaela F
title	Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges
title_short	Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges
title_full	Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges
title_fullStr	Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges
title_full_unstemmed	Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges
title_sort	spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300006
work_keys_str_mv	AT nicolaurafaelaf spatialvariabilityofsoilchemicalattributesandproductivityandthechemicalandphysicalpropertiesoforanges AT mercanteerivelto spatialvariabilityofsoilchemicalattributesandproductivityandthechemicalandphysicalpropertiesoforanges AT maggimarciof spatialvariabilityofsoilchemicalattributesandproductivityandthechemicalandphysicalpropertiesoforanges AT desouzaeduardog spatialvariabilityofsoilchemicalattributesandproductivityandthechemicalandphysicalpropertiesoforanges AT gasparineloi spatialvariabilityofsoilchemicalattributesandproductivityandthechemicalandphysicalpropertiesoforanges
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Spatial variability of soil chemical attributes and productivity and the chemical and physical properties of oranges

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