ANALISA PRODUKTIVITAS TANAMAN KARET (Havea brasiliensis Muell. Arg) KLON PB 260 DENGAN MENGGUNAKAN BERBAGAI SISTEM SADAP DI AFDELING I KEBUN BANGUN PT. PERKEBUNAN NUSANTARA III

The productivity of rubber plantations is determined by the type clone, age plant, level land suitability, and exploitation system applied. applied determines plantation because it related to use skin physiological process latex. Implementing right can ensure high sustainable productivity. On other hand, implementation wrong result in low shorten economic life plant. This study aims determine plants clone PB 260 with various tapping systems. research was conducted at Afdeling I Kebun Bangun PT. Perkebunan Nusantara III using a descriptive analysis method collecting secondary data on plant from 2016 – 2020. parameters observed were production results this indicate that 2020 had highest 2017 planting year 2009 lowest 2000. Meanwhile, overall, 2018 2016. factors influence are caused not permanent or changing, lack application fertilization, reduction number trees field being attacked JAP (White Root Fungus), KAS (Dry Alur Sadap), Moldy Road, fallen due strong winds, plants. relationship between cost goods/kg greater obtained, lower goods/kg.