Analisis Kandungan Unsur Hara N, P Dan K Pada Hasil Pengomposan Limbah Padat …

This study aims to determine the nutrient content of composting campus solid waste with the addition of EM-4 with 4 different composting techniques and to see better and more efficient composting techniques, as well as to produce a booklet design as teaching material in biology class XII semester SMA semester. II. This research was conducted at the Compost Shop of the Natural Science Laboratory…