초록 ▼

A vitreous product which can be used in agriculture is disclosed. With the exception of nitrogen, this vetreous product contains all the major and minor mineral elements which are essential for the nutrition of plants. The vitreous products can contain the following constituents, taken in the follow

A vitreous product which can be used in agriculture is disclosed. With the exception of nitrogen, this vetreous product contains all the major and minor mineral elements which are essential for the nutrition of plants. The vitreous products can contain the following constituents, taken in the following proportions by weight: ________________________________ -SiO2 25 to 65% Fe2O3 1 to 15% P2O5 1 to 15% B2O3 0.01 to 2% K2O 5 to 35% MnO 0.01 to 3% CaO 11 to 35% ZnO 0.01 to 3% MgO 1 to 10% CuO 0.01 to 2% SO3 0.01 to 1% MoO3 0.01 to 3% Na2O 0 to 2% A12O3 0 to 25% ________________________________

대표청구항 ▼

A method for plant growth and nutrition, comprising: forming a culture medium of silicon dioxide-based glass fibers comprising at least 25% by weight of silicon dioxide and, with the exception of nitrogen, all the major and minor nutritive essential elements for the nutrition of plants, said major n

A method for plant growth and nutrition, comprising: forming a culture medium of silicon dioxide-based glass fibers comprising at least 25% by weight of silicon dioxide and, with the exception of nitrogen, all the major and minor nutritive essential elements for the nutrition of plants, said major nutritive essential elements comprising P2O5, K2O, CaO, MgO, and SO3; said minor nutritive essential elements comprising Fe2O3, B2O3, MnO, ZnO, CuO, MoO3; said elements being capable of being removed by a plant\s root system from an ambient medium, wherein the quantity and proportion of said major and minor nutritive developments in said glass fibers are selected such that said nutritive elements are soluble and can be assimilated by said plant; and growing a plant thereon.