ABSTRACT The experiment was to aim to know the effect of time nanaring as of EPR dose to the yield of gre (hanselor raudiau 1.) Herok variaty. The experinnet wwe cundested from mars 20 a 25, 1991, in Esdangsari village, 200t Bagelang, Hagalung di The sall type Latocol, at altstade of 300 antern with ji of 1 6,5. The experiment was carried out using ceo sandon Design, w…