Rancangan Poster Ekstrak Daun Rumput Teki (Cyperus Rotundus) Sebagai Bioherbi…

The study aims to design posters based on the influence of grass leaf extract as a biohericide against bandotan weeds on class X SMA ecosystem materials. The research was conducted in July - November at the Nature Laboratory of Biology Education, University of Riau. This study used 2 stages, phase I research using an experimental method with RAL consisting of 5 treatments and 4 tests with P1, P…