Apriyanto, E. .; Setiadi, D. 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 1, 3, 177- 181.