Pengaruh Pemberian Em-4 Terhadap Laju Dekomposisi Limbah Padat Kampus Sebagai…

This study aims to determine how the effect of EM-4 on the rate of decomposition of solid waste at UNRI campus and its potential in producing Student Worksheet designs (LKPD) on waste and recycling material for class X even semester KD 3.11 and KD 4.11. This research was conducted from October to December 2020 at the Compost Shop in the Nature Laboratory of Biology Education, FKIP, Riau Univers…