Pupuk Cair Produktif (PCP) dari Limbah Cair Industri Tempe Berdasarkan Berbagai Konsentrasi Penambahan EM4 = Productive Liquid Fertilizer from Liquid Waste Tempe Industry as Revealed by Various EM4 Concentration

Abstract

The study concerning productive liquid fertilizer from liquid waste of tempe as revealed by various EM4 addition had been done in the Laboratory of Environmental Chemistry, Faculty of Science and Mathematics, Satya Wacana Christian University, Salatiga between June 2012 until April 2013. The purpose of this study was to determine the proper additional formulation of making productive liquid fertilizer based on the various concentrations of EM4 . Liquid tempe waste were collected from several tempe industries in Sidorejo Kidul village, Tingkir district, Salatiga. The concentration of EM4 added to the tempe wastewater were 0%; 0.20%; 0.40%; 0.60%; 0.80%; 1.00% respectively. The measurement parameter are pH, temperature, C total, N total, C/N ratio, and PO43-, respectively. Data were analyzed by using Randomize Completely Block Design (RCBD), 6 treatments and 4 replications. As the blocks are the time of analysis. The Honestly Significance Differences (HSD) 5% were used to compare the differences between treatment means. The results show that the liquid fertilizer produced had been fullfilled to the SNI of SNI in pH and N total only.