2020
DOI: 10.5935/1806-6690.20200071
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Critical levels and sufficiency ranges for leaf nutrient diagnosis in cowpea grown in the Northeast region of Brazil

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Cited by 3 publications
(2 citation statements)
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“…The result presented for the diagnostic leaf is important, because the recommendation of collection of cowpea becomes the same as that of common bean (SOUZA et al 2011), and there is also a study in the literature with the suggestion of critical levels and sufficiency ranges considering the collection of the diagnostic leaf +3 for cowpea (MELO et al 2020).…”
Section: Cost Of Fertilizermentioning
confidence: 99%
“…The result presented for the diagnostic leaf is important, because the recommendation of collection of cowpea becomes the same as that of common bean (SOUZA et al 2011), and there is also a study in the literature with the suggestion of critical levels and sufficiency ranges considering the collection of the diagnostic leaf +3 for cowpea (MELO et al 2020).…”
Section: Cost Of Fertilizermentioning
confidence: 99%
“…O uso de técnicas de análise numérica como a "boundary line", proposta por WEBB (1972), permite que se identifique as regiões de fronteira superior e inferior. Nos últimos anos, diversos trabalhos tem feito uso da técnica "boundary line" para acessar e explicar efeitos biológicos em regiões de máximo e mínimo, inclusive na área de fertilidade do solos e na nutrição de plantas (BORGES, 2012;LIMA NETO et al, 2021;EVANYLO;SUMNER, 1987;FERNANDES, 2010;FILHO et al, 2019;GALDINO, 2015;MELO et al, 2020;NETO et al, 2020;SOUSA et al, 2018). Esse tipo de estudo permite que sejam feitos redirecionamentos na adubação para evitar doses excessivas ou subdoses.…”
Section: Introductionunclassified