Effects of soil available silicon on growth,development and physiological functions of soybean Geographic Distribution and Content of Available Silicon in Soils under Ph. Pubescens Stands in Zhejiang and Fujian Province Effect of Incorporation of Alum Plasma on Phosphorus Immobilization of Paddy Soil, and Growth, Yield of Rice EFFECT OF SILICON FERTILIZATION ON MAO BAMBOO STANDS Effect of Available Silicon in Soil on Cucumber Seed Germination and SeedlingGrowth Metabolism Effect of Available Silicon in Soil on Cucumber Seed Germination and SeedlingGrowth Metabolism