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|Research center of Embrapa/Collection:||Embrapa Milho e Sorgo - Artigo em periódico indexado (ALICE)|
|Type of Material:||Artigo em periódico indexado (ALICE)|
|Authors:||XAVIER, W. D.|
CARNEIRO, L. F.
GUIMARÃES, C. M.
SILVA, J. V. de S.
PINTO, F. A.
RIBEIRO, D. O.
SOUSA, V. S.
RESENDE, A. V. de
|Additional Information:||Warlles Domingos Xavier, Goiano Federal Institute; Leandro Flávio Carneiro, Universidade Federal de São João Del-Rei; Claudinei Martins Guimarães, Universidade Federal de Viçosa; João Vitor de Souza Silva, Goiano Federal Institute; Flávio Araújo Pinto, Universidade Federal de São João Del-Rei; Diego Oliveira Ribeiro, Goiano Federal Institute; Vinicius Silva Sousa, Universidade Federal de Goiás; ALVARO VILELA DE RESENDE, CNPMS.|
|Title:||Doses and application seasons of potassium in the soybean-corn succession in soil with improved fertility in the Southwest of Goiás.|
|Publisher:||Journal of Agricultural Science, v. 11, n. 4, p. 307-317, 2019.|
|Keywords:||Ciclagem de nutrientes|
|Description:||Soils with improved fertility indicate opportunities for more rational use of fertilizers. The objective of this study was to evaluate the management of potassium fertilization in the succession of soybean-corn in soil with improved fertility, in the southwestern region of the state, Goiás. The experiment was set in 5×3 factorial scheme, arranged in randomized blocks with four repetitions. The treatments consisted of the combination of potassium doses (0, 40, 80, 120 and 160 kg ha-1 of K2O) and seasons of application (100% of the dose in pre-planting, 100% of the dose in coverage and in installments with 50% of the dose in pre-planting + 50% in coverage). The best performance of soybean, considering grain yield, was obtained with the parceled application of 80 kg ha-1 of K2O, with production of 3.6 Mg ha-1. The highest corn production was obtained with the anticipated application of 160 kg ha-1 of K2O in soybean. In the management of potassium fertilization in improved fertility soil in the soybean-corn succession, the parceled application of 120 kg ha-1 of K2O kept the available K reserve in the soil constant when compared to its initial content.|
|Appears in Collections:||Artigo em periódico indexado (CNPMS)|