The present invention relates to a method for producing granular rock surface silicate fertilizer using a waste rock surface after hydroponic cultivation as well as a newly manufactured mineral wool which is not used, and a method for producing granular rock material from a silicate fertilizer comprising granular calcium silicate fertilizer A method for producing a compound fertilizer, and a method for producing a novel long-acting solid complex fertilizer from the quick-acting liquid-phase compound fertilizer.The novel long-acting solid complex fertilizer produced according to the present invention has the effect of making a silicate layer on the cell membrane of a plant to make the surface of the leaf harder to reduce the damage of the pest insects and the clothes and the effect of the phosphoric acid fertilizer which is acidified around the root and lumps and is insoluble or inert Possible solubility or effect of changing into active phosphoric fertilizer, effect of increasing calyx to improve calyx, improving productivity, and increasing the hardness of leaves and stems of vegetables and fruits, There are various effects.
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