Pengaruh Lama Fermentasi Dengan Bioaktivator EM4 Terhadap Kandungan N, P, K D…

The aim of the study was to determine the effect of EM4 bioactivator on nitrogen, phosphorus, potassium and C/N content of sugarcane bokashi bagasse (Saccharum officinarum L) fertilizer and to use it as an electronic module designed from research results for high school biology lessons. This research was conducted at the Compost Stall at the Nature Education Biology Laboratory, PMIPA Depar…