Assessment of Drought Adaptation in Hevea Brasiliensis PB 260 Clone Seedlings During El Nino Events Journal title: Organic Farming Authors: Yayuk Purwaningrum, Yenni Asbur, Dedi Kusbiantoro, Dian Hendrawan, Khairunnisyah Nasution, Fiqi Al... Subject(s): Environmental Sciences, Agricultural Science