Data/hora: 10/06/2024 04:33:11

Biblioteca(s): | Embrapa Milho e Sorgo.
Data corrente: | 10/12/2019
Data da última atualização: | 10/12/2019
Autoria: | 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.
Afiliação: | 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.
Título: | Doses and application seasons of potassium in the soybean-corn succession in soil with improved fertility in the Southwest of Goiás.
Ano de publicação: | 2019
Fonte/Imprenta: | Journal of Agricultural Science, v. 11, n. 4, p. 307-317, 2019.
Idioma: | Inglês
Conteúdo: | 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.
Palavras-Chave: | Ciclagem de nutrientes.
Thesagro: | Glycine Max; Grão; Plantio Direto; Rendimento; Soja.
Categoria do assunto: | F Plantas e Produtos de Origem Vegetal
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/206569/1/Doses-application.pdf
Registro original: | Embrapa Milho e Sorgo (CNPMS)
Exemplares: | CNPMS - (29041-1) - UPC - AP - DD -  -  -  - DIS