Struktur Komunitas Gulma Pada Perkebunan Kelapa Sawit ( Elaeis Guinnensis Ja…

This study aims to determine the structure of weed communities on oil palm plantations in the village of Kepuhi Tengah in Rokan Hulu Regency and the design of learning resources in the form of pocket books. The study was conducted on oil palm plantations in the village of Kepuhi Tengah in Rokan Hulu Regency and in the Biology Education Laboratory of the Teaching and Education Faculty of the Uni…