Importance of Silicon in Soils and Plants

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Importance of Silicon in Soils and Plants

January 31, 2020 Agricultural And Biological Sciences 0

The crust of the earth is largely composed of silicon that is found primarily as silicate minerals, secondary alumino silicates and various forms of silicon dioxide. However, the abundance of silicon in soils is not an indication that sufficient supplies of soluble silicon are available for plant uptake. In this chapter, the outcomes of many years of research conducted on silicon are consolidated to understand the state of knowledge for silicon fertilization guidelines in crop production. The monosilicic acid (H4SiO4) is the form of silicon used by plants, which is found both in liquid and adsorbed phases of silicon in soils. Silicon plays a very important role in drought tolerance because silicon fed plants maintains higher leaf water potential. This is assumed to be due to the formation of silica cutical double layer on the epidermis.

For more information contact author

M. Yuvaraj
Department of Soil Science and Agricultural Chemistry, Adhiparasakthi Agricultural College, Kalavai, Vellore, India.
Department of Soil Science and Agricultural Chemistry, Agricultural College and Research Institute, Madurai, India.
E-mail: [email protected]

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