Efektivitas Pupuk Kompos Terhadap Pertumbuhan Pakcoy (Brassica Chinensis L) S…

This research was conducted to determine the effectiveness of compost on the growth of pakcoy (Brassica chinensis L.) as a poster design for class XII high school. The research was conducted at the Natural Laboratory of the Faculty of Teaching and Education, University of Riau. This research was carried out in September - October 2021 which consisted of two stages, namely experiments on compost…