Vermicompost is the best quality solid nature fertilized derived from the overhaul of nature material by earthworms ( lumbricus rubellus ) . Vermicompost has more nutrients than any other organic material . The nutrients, botch macro and micro , which need are need by plants ( N, P , K , Ca , Mg , S , Fe , Mn , Al , Na , Cu , Zn , Bo , and Mo Vermicompost Specification : C â?? Organic : 17.75 % N â?? Total : 2. 53 % P â?? Total : 0. 86 % K â?? Total : 0. 85 % Water Content : 13. 07 % pH : 6.07 Packing : PP bag 25 or 50 kgs Capacity : 3500 ton / year FOB Surabaya port : $ 300 - 400 / ton