Research review on extracting methods of silicon from soil

Abstract

The importance of silicon (Si) in soil nutrition is currently being recognized by its beneficial effects on many crops. Therefore it is important to determine the soil Si status and to examine different extractants for testing plant-available silicon. There is a variety of methodologies used in the soil science laboratory to extract different forms of Si from heterogeneous soil. However, the comparison of extraction methodologies is scarce and keeping it in view here methodologies are reviewed to extract different forms of Si from soils to develop recommendations for soil application of silicate materials further knowledge of the soil Si status and its availability in the amendment is essential.