Fertilizers; mineral and biological soil amendments; biostimulants and beneficial plant substances, namely, calcium and magnesium silicate; soil conditioners, namely, soluble silicon for use primarily in fertility, water and stress management, enhancement of plant vitality, improvement of soil water and air movement, nutrient holding capacity, and the alleviation of saline, sodic and high bicarbonate soil conditions; liming agents, namely, calcium and magnesium silicate for use primarily to improve soil pH and metal toxicity issues associated with acid soils for professional and consumer turf management, specialty horticulture, broad and specialty agriculture and domestic use; gypsum for use as a fertilizer