Consulta: creatorFacets:"Molina-Roco,Mauricio"
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Data/hora: 13/06/2024 04:13:53

Comparison between sulfates and chelated compounds as sources of zinc and iron in calcareous soils
Provedor de dados: 115
Autores: Ortega-Blu,Rodrigo; Molina-Roco,Mauricio.
Abstract: Pot experiments were performed in a greenhouse to compare zinc (Zn) and iron (Fe) sources: 1) corn plants were grown in a Zn-deficient soil and received a Zn fertilization (0, 1.9, 3.8, and 7.7 mg kg-1; equivalent to 0, 5, 10, and 20 kg Zn ha-1) as ZnEDTA and ZnSO4; 2) sorghum plants were grown in a soil where iron chlorosis symptoms had been observed and received a Fe fertilization (0, 1.5, 3, and 6 mg kg-1; equivalent to 0, 3, 6, and 12 kg Fe ha-1) as Fe-EDDHA and FeSO4. Corn dry matter (DM), Zn concentration, and Zn uptake were higher with Zn-EDTA as compared to ZnSO4. In the sorghum experiment the highest DM production was obtained with Fe-EDDHA, which increased Fe concentration and uptake in higher proportion as compared to FeSO4. However,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chelates; Fe-EDDHA; FeSO4; Micronutrient availability; Zn and Fe uptake; Zn-EDTA; ZnSO4; Residual micronutrients.
Ano: 2007
URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952007000500491