The development of teaching materials based on the problem based learning model in class V subtheme 1 my healthy blood circulation at SD Negeri 1 Palembang aims to produce teaching materials, determine the level of validation and practicality of the teaching materials produced. This study uses the Research and Development (R&D) type of research using the ADDIE research model. This research mode…
This research aims to determine the effect of applying liquid organic fertilizer from pineapple peel on the growth of native potatoes (Plectranthus rotudifolius (poir) spreng). The research began from July to September 2023, taking place in Bangun Jaya Village, Tanjung Batu District, Ogan Ilir Regency, South Sumatra with coordinates 3°23'00.2 S and 104°35'14.2 E. In this research the method u…