Surface application of limestone and calcium-magnesium silicate in a tropical no-tillage system

Nenhuma Miniatura disponível

Data

2016-06-01

Orientador

Coorientador

Pós-graduação

Curso de graduação

Título da Revista

ISSN da Revista

Título de Volume

Editor

Soc Chilena Ciencia Suelo

Tipo

Artigo

Direito de acesso

Acesso restrito

Resumo

Although lime is currently the most commonly applied material for soil acidity correction in Brazil, calciummagnesium silicate application may efficiently replace this source due to its higher solubility and silicon supply, which is beneficial for plant development. This study aimed to evaluate the efficiency of surface liming and silicate application on soil chemical attributes as well as soybean and maize nutrition, yield components, and grain yield. The experiment was conducted in a Rhodic Hapludox in Botucatu-SP, Brazil. The randomized complete block design contained 16 replications. Treatments consisted of two materials for soil acidity correction (dolomitic lime, calcium/magnesium silicate), applied on October 2006 to raise base saturation up to 70%, and a control, with no acidity correction. Soybean and maize were sown in 2006/2007 and 2007/2008, respectively. After 18 months Ca-Mg silicate corrected soil acidity up to 0.60 m, and increased exchangeable base levels up to 0.40 m. Silicate increased silicon concentrations in plant tissues in both crops as well as phosphorus in soybean. The application of both sources increased calcium and magnesium concentrations as well as yield components and yield grains of soybean and maize. Soil acidity correction improved the efficiency of fertilizers applied for grain production.

Descrição

Idioma

Inglês

Como citar

Journal Of Soil Science And Plant Nutrition. Temuco: Soc Chilena Ciencia Suelo, v. 16, n. 2, p. 362-379, 2016.

Itens relacionados