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Research center of Embrapa/Collection: Embrapa Amapá - Artigo em periódico indexado (ALICE)
Date Issued: 2013
Type of Material: Artigo em periódico indexado (ALICE)
Authors: CASTRO, G. S. A.
Additional Information: GUSTAVO SPADOTTI AMARAL CASTRO, CPAF-AP; Carlos Alexandre Costa Crusciol, Universidade Estadual Paulista, Faculdade de Ciências Agronômicas, Campus de Botucatu, Departamento de Produção Vegetal, Caixa Postal 237, CEP 18603?970 Botucatu, SP. E?mail:
Title: Yield and mineral nutrition of soybean, maize, and Congo signal grass as affected by limestone and slag.
Publisher: Pesquisa Agropecuária Brasileira, Brasília, DF, v. 48, n. 6, p. 673-671, jun. 2013.
Language: en
Keywords: Calagem superficial
Acidez subsuperficial
Componente de produtividade
No tillage
Soil chemical attributes
Superficial liming
Subsuperficial acidity.
Description: The objective of this work was to evaluate the efficiency of superficial application of limestone and slag, and their effects on soil chemical attributes and on yield and mineral nutrition of soybean, maize, and Congo signal grass (Urochloa ruziziensis). The experiment was carried out in a Rhodic Hapludox under no tillage system. The treatments consisted of the use of limestone or slag (silicates of calcium and magnesium) to correct soil acidity, and of a control treatment without the use of soil correctives. Rates were calculated in order to raise soil base saturation up to 70%. Soybean was sown in November 2006 and maize in December 2007. Congo signal grass was sown right after the harvests of soybean and maize, and it was cropped during the offseasons. Soil chemical attributes were evaluated at 6, 12, and 18 months after the application of the corrective materials. Slag is an efficient source for soil acidity correction, being able to raise the exchangeable base levels in the soil profile faster than lime. Both limestone and slag increase dry matter yield of Congo signal grass, and grain yield of soybean and maize. Slag is more effective in improving maize grain yield.
Thesagro: Plantio direto
Quimica do solo
NAL Thesaurus: silicon
yield components.
Data Created: 2013-09-05
Appears in Collections:Artigo em periódico indexado (CPAF-AP)

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