The present invention relates to novel precision customized control release fertilizers such as seed encapsulation nutrients, liquid formulation treatment for roots of seedlings before transplantation or for soil application or for foliar application and fertilizer granules or tablets for effective enhancement of crop yield. The fertilizer comprises a crop specific enstornized fertilizer and/or a normal fertilizer, an agropolymer made by—reacting an alkaline or hydrogen peroxide with plant material and a transition metal silicate or an amorphous silica.
