Boundary Line Model to Estimate the Nutrient Sufficiency Range in Muskmelon Leaves

Maia, Celsemy Eleutério; Morais, Elís Regina Costa de

doi:10.1590/18069657rbcs20160033

Cited by 8 publications

(6 citation statements)

References 15 publications

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“…The BL is based on the principle that crop yield has an upper limit of development or response in accordance with the direct effect of a nutrient or production factor, and the nonlinearity of the models that describe it allow critical and optimal levels or the range of nutrient availability in the soil to be achieved (Schnug et al, 1996;Haneklaus et al, 2007;Maia and Morais, 2016).…”

Section: Resultsmentioning

confidence: 99%

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Relationship between Coffee Leaf Analysis and Soil Chemical Analysis

Sousa

Neves

Martínez

et al. 2018

Rev. Bras. Ciênc. Solo

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Research focused on adequate nutrition of plants is essential in modern coffee production to increase yield and develop more efficient management strategies with greater environmental and economic sustainability. The objectives of this study were to establish critical and optimal levels of soil fertility properties for high yielding Arabica coffee crops using the Boundary Line method and, then, relate the macronutrient contents in the diagnostic leaf of coffee to the macronutrients available in the soil using the Quadrant Diagram of the Plant-Soil Relationship (QDpsR). The study made use of a soil chemical analysis database, leaf macronutrient contents, and Arabica coffee yield from five representative coffee-growing regions in Minas Gerais. An analysis of data consistency was performed, and relative fruit yield (RFY) was related to the soil organic matter (SOM), P, K, Ca, and Mg contents in the soil, establishing the boundary line (BL) in each graph. Equations were adjusted from the BL points, and the equation that best fit was selected. Using the QDpsR method, the response plane was divided into four quadrants, where the total leaf contents of N, P, K, Ca, Mg, and S were plotted as a function of the contents of SOM, P, K, Ca, and Mg in the soil, on the y and x axes of the Cartesian coordinate system. The regression equations were adjusted to the pairs of points (y, x) of quadrants III and I and were used to estimate the macronutrient sufficiency ranges from the critical and optimal levels in the soil. The BL method was used to determine the class of good soil fertility for SOM, P, K, Ca, and Mg. The QDpsR method allows determination of response curves for leaf content as a variable of soil contents, making it possible to estimate the sufficiency ranges in the diagnostic leaf of coffee: 33.4-35.8 g kg-1 of N, 1.4-1.6 g kg-1 of P, 24.4-27.0 g kg-1 of K, 11.9-13.6 g kg-1 of Ca, 3.8-4.5 g kg-1 of Mg, and 1.4-1.8 g kg-1 of S; which were consistent with the sufficiency ranges considered suitable for the crop. This study demonstrated the importance of leaf analysis as a tool for evaluation of the nutritional status of Arabica coffee since the technique is consistent with the theoretical principles underlying it.

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Section: Resultsmentioning

confidence: 99%

“…This approach has been widely used to determine optimal nutrient levels and relationships between contents for plant nutritional diagnosis, as well as to establish critical nutrient levels in the soil (Evanylo and Sumner, 1987;Njukeng et al, 2013;Almeida et al, 2016, Maia andMorais, 2016).…”

Section: Introductionmentioning

confidence: 99%

Relationship between Coffee Leaf Analysis and Soil Chemical Analysis

Sousa

Neves

Martínez

et al. 2018

Rev. Bras. Ciênc. Solo

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“…The boundary line approach (BLA) is an alternative to calibration experiments because this method uses nutrient concentration data from commercial crop fields (Maia and Morais, 2016). The approach consists of relating nutrient concentrations to yield data, so that the optimum concentration of a given nutrient can be determined.…”

Section: Introductionmentioning

confidence: 99%

“…Studies found in the literature report sufficiency ranges established by BLA for several crops including forage cactus (Blanco-Macías et al, 2010), papaya (Maia and Morais, 2016), sugarcane (Mccray et al, 2010), rubber tree (Njukeng et al, 2013), haskap (Iheshiulo et al, 2019) and eucalyptus (Lima Neto et al, 2020); however, studies on bananas are in short supply.…”

Section: Introductionmentioning

confidence: 99%

Potential nutrient-response curves and sufficiency ranges for ‘Prata-Anã’ banana cultivated under two environmental conditions

Filho¹,

Neves

Donato

et al. 2021

Sci. agric. (Piracicaba, Braz.)

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Proper plant nutrition is critical to increasing the yield of bananas. The objective was to establish the potential nutrient-response curves and sufficiency ranges using the boundary line approach (BLA) and the method proposed by Kenworthy (MK) to assess the nutritional status of 'Prata-Anã' bananas cultivated under two environmental conditions. The study was carried out using a database comprising leaf nutrient concentrations and banana yields grown at Missão Velha, Ceará, and Ponto Novo, Bahia, Brazil. The reference population consisted of high-yielding plants with yields greater than the mean yield plus 0.5 standard deviation. The database was divided into two datasets. One contained 253 leaf analysis results and a reference population with a mean yield greater than 39.81 t ha -1 yr -1 at Missão Velha. The other contained 147 samples and a reference population with a mean yield greater than 41.69 t ha -1 yr -1 at Ponto Novo. The sufficiency ranges obtained by the BLA for 'Prata-Anã' banana in Bahia and Ceará, respectively, are: a) for macronutrients (g kg -1 ):

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“…To address this issue, the boundary line approach has been used to demonstrate how soil properties influence plant biological parameters. The boundary line technique has often been proposed for the interpretation of biological data (Lewandowski & Schimdt, 2006;Blanco-Macías et al, 2010;Matula, 2011;Topp et al, 2013;Maia & Morais, 2016), where one variable is a biological response while the other variable is an independent one (Webb, 1972). Webb (1972) suggested that, when working with dispersal graphs among dependent and independent variables, if the data set is large enough, the line connecting the points located at the outer margin represents the functional dependence of these variables; the independent variable on this line is the only limiting factor for the dependent variable.…”

Section: Introductionmentioning

confidence: 99%

Boundary line approach applied among crop emergence parameters and soil physical properties

Filho

Silva

Giarola

et al. 2019

Rev. bras. eng. agríc. ambient.

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The boundary line technique has been proposed for interpreting biological data where one variable is a biological response and the other is an independent variable. The objective of this study was to correlate maize and soybean emergence parameters with soil seedbed physical properties using a boundary line approach. The study was performed at the experimental farm belonging to the Universidade Estadual de Ponta Grossa, in the municipality of Ponta Grossa, Paraná State, Brazil. The area has been managed under a no-tillage system for 18 years. The emergence percentage (EP) and emergence rate (ER) were determined for maize and soybean crops. Soil seedbed physical properties were evaluated for both crop species and included soil penetration resistance, volumetric water content, aggregate stability, tensile strength, friability, saturated soil hydraulic conductivity, bulk density, and the least limiting water range. The boundary line approach was applied to pairs of values of plant emergence parameters and soil seedbed physical properties, and then the regression model was adjusted to the boundary points. The boundary line approach indicated that crop emergence was dependent on soil seedbed physical properties. It was possible to determine the optimum values of soil seedbed physical variables for crop emergence. The boundary line approach is a promising and complementary tool to better understand crop emergence responses to soil seedbed physical properties.

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Boundary Line Model to Estimate the Nutrient Sufficiency Range in Muskmelon Leaves

Cited by 8 publications

References 15 publications

Relationship between Coffee Leaf Analysis and Soil Chemical Analysis

Relationship between Coffee Leaf Analysis and Soil Chemical Analysis

Potential nutrient-response curves and sufficiency ranges for ‘Prata-Anã’ banana cultivated under two environmental conditions

Boundary line approach applied among crop emergence parameters and soil physical properties

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