Browsing by Author "Octavianus, Augustus"

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    EFISIENSI PENGGUNAAN FOSFOR OLEH BERBAGAI VARIETAS KEDELAI (Glycine Max L. Meril)
    (Balai Pengkajian Teknologi Pertanian (BPTP) Balitbangtan Riau, Badan Penelitian dan Pengembangan Pertanian, Kementerian Pertania, 2007-12-02) Octavianus, Augustus; BPTP RIAU
    The Effisiency of Phosporus Fertilizer Applied to Several Soybean (Glycine max L Merril) Varieties. Oktavianus Augustus dan Rachmi wati Yusuf. Most of soils in Riau Province have the problem on phosphorus availability. The purpose of the experiment was to find the efficiency of P fertilizer applied to several soybean varieties. The experiment was conducted with factorial arrangement between 5 soybean varieties (Kipas Putih, Malabar, Wilis, Argomulyo, dan Bromo) and 4 levels of P fertilizer (0, 20, 40, and 60 kg P205/ha). The experimental design was Randomized Complete Block Design with 3 replications. Results of the experiment showed that the highest grain yield (440,65 kg/petak) was obtained from soybean variety of Kipas Putih with the P fertilizer application of 40 kg P205/ha. The lowest grain yield was obtained from variety of Wilis at P fertilizer of 40 kg P205/ha (159,40 g/plot) and variety of Bromo without P fertilizer (148,41 kg/plot).