2020
DOI: 10.1007/s10705-020-10059-9
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Vertical stratification of K uptake for soybean-based crop rotation

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Cited by 6 publications
(4 citation statements)
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“…Although root mass is concentrated at topsoil, maize root mass was reported as poorly correlated with root activity, which can remain high until 60 cm depth 13 . Spring cereals might take up to 80% of the K from the 0–25 cm layer 14 , while soybeans may take about to 60% of the K from the 0–30 cm layer 15 .…”
Section: Introductionmentioning
confidence: 99%
“…Although root mass is concentrated at topsoil, maize root mass was reported as poorly correlated with root activity, which can remain high until 60 cm depth 13 . Spring cereals might take up to 80% of the K from the 0–25 cm layer 14 , while soybeans may take about to 60% of the K from the 0–30 cm layer 15 .…”
Section: Introductionmentioning
confidence: 99%
“…According to research by Kuhlmann, spring wheat can uptake potassium from a depth greater than 30 cm, depending on the abundance of the topsoil, therefore meeting an average of 34% of demand for potassium (from 9% to 70%) (Kuhlmann, 1990). Research on soya (Maciel de Oliveira et al, 2020) showed uptake of 25% of potassium from a depth of 30 cm, and 15% from a depth of 60 cm. It is related to the root mass of soya, constituting 67% up to 30 cm, with the total length reaching up to 1.56 m (Raziel et al, 2018).…”
Section: Potassiummentioning
confidence: 99%
“…Além disso, o balanço de nutrientes da opção da FAZ é muito próximo da REST (Figura 9). Um ponto importante na evolução do manejo desse nutriente está relacionado ao aumento da área de segunda safra, que está associada com uso de espécies com sistema radicular mais profundo, com capacidade de reciclar parte do K que percola no perfil de solo, reduzindo as perdas do sistema (Oliveira et al, 2020).…”
Section: Balanço De Nutrientes E Alterações Na Fertilidade Do Solounclassified