| Name | Yan Riska V. S., SP | 
| Research Institution | INDONESIAN RUBBER RESEARCH INSTITUTE | 
| Address | JALAN SALAK NO. 1 BOGOR 16151 WEST JAVA | 
| Professional rank & Field | JUNIOR RESEARCHER IN BIOLOGY AND FERTILITY SOIL | 
| E-mail | riska_sembiring@yahoo.com | 
| Place & date of birth | Medan, January 23 1990 | 
| Education | Bs, BOGOR AGRICULTURE UNIVERSITY, INDONESIA | 
| Work experience | 2012 – present : INDONESIAN RUBBER  RESEARCH INSTITUTE | 
| Administration task (if any) | - | 
| Awards | - | 
| Professional associations | - | 
| Current R & D activity | 
THE LAND RECLAMATION OF EX COAL MINE THROUGH PLANTING Mucuna bracteata, RUBBER PLANT (Hevea brasiliensis) AND SULPHATE REDUCING BACTERIA APPLICATIONIDENTIFICATION AND TEST ANTAGONISTS OF SECONDARY METABOLIC FROM Coleus amboinicus AS BOTANICAL FUNGICIDE OF WHITE ROT DISEASE (Rigidoporus microporus) ON THE RUBBER PLANT     |