Foliar spraying of Mn with addition of Si increases phenolic compound, photosynthetic efficiency, productivity and the protein content of the soybean crop - Rocha, Ian Lucas de Oliveira; Prado, Renato de Mello; Oliveira, Kamilla Silva; Silva, Dalila Lopes da; Abreu Junior, Cassio Hamilton (Journal of Soil Science and Plant Nutrition, 2022)