Lightweight extruded products containing light, extrudable ceramic carrier substances, processes of their preparation and methods of using thereof

摘要

The present invention provides light, extruded compositions and methods for their preparation. The light, extruded compositions comprise at least one agricultural compound; a light, extrudable, ceramic carrier; and at least one surface active agent. The present invention also provides a method for applying agricultural compounds to the water of paddy fields by localized application(s) of the light, extruded compositions to the water surface of the paddy fields.