PENGARUH KONDISI TAJUK DAN APLIKASI GETAR TERHADAP PRODUKSI NIRA AREN DI REJANG LEBONG BENGKULUPlant sugar palm (Arenga pinnata) is a plant that provides economic benefits, social, and conservation. Nira is one of the sugar plant products of high economic. Petrop. 2019;3(2):177-181. doi:10.32734/jopt.v3i2.2973