A ndriko Noto Susantoa), Bambang H. Sunarmintob), Bostang Radjagugukb), and Benito H. Purwantob) a)Maluku Assessment Institute for Agricultural Technology Jalan Chr. Soplanit, Rumah Tiga, Ambon 97233 Phone: +62 911 3303865, Fax.: +62 911 322542, E-mail: bptp-maluku@litbang.deptan.go.id, andriko_notosusanto@yahoo.co.id b)Faculty of Agriculture, Gadjah Mada Universuty, Jalan Flora Bulaksumur, Yogyakarta 55281 http://digilib.litbang.deptan.go.id/repository/repository/artikel/4/2/2011/
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