A.H. Syaeful Anwar
Fakultas Pertanian, Universitas Jenderal Soedirman

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Pertumbuhan dan Hasil Dua Varietas Kangkung Darat pada Media yang Diberi Limbah Cair Kilang Minyak PT Pertamina UP VI Balongan Anwar, A.H. Syaeful
Jurnal Agrista Vol 14, No 2 (2010): Volume 14 Nomor 2 Agustus 2010
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Growth and Yield of Two Varieties Kale in Poured Media by Lagoon Liquid Waste PT Pertamina UP VI BalonganABSTRACT. Farmers around of  PT Pertamina UP VI Balongan in part cultivated kale because it easily cultivated and short harvest age, however they faces difficulty to find irrigation water in dry season. Therefore it is needed to conduct a research for studying whether liquid waste in the lagoon can be used for plant cultivation. The research was conducted from February 2007 until July 2007 in plastic house in area of PT Pertamina UP VI Balongan on altitude 3 metres above sea level. Experiment design used was Randomized Completely Block Design (RCBD). Experimented factors were two varieties kale: Amanda, Bangkok LP 1 and eight kinds of media: rice field poured by lagoon liquid waste 9, rice field poured by lagoon liquid waste 18, sediment poured by irrigation water, sediment poured by lagoon liquid waste 1, sediment poured by lagoon liquid waste 9, and sediment poured by lagoon liquid waste 18. There were 16 treatment combinations with 3 replications. Observed variable comprised of plant height, total of leaves, total of branches, leaves wide, longest root length, stem fresh weight, root fresh weight, plant fresh weight, stem dry weight, root dry weight, and plant dry weight. This research showed that poured media by liquid waste in lagoon do not decrease growth and yield of kale, except in longest root length. Variety of Bangkok LP 1 have longest root length of 33.48 cm while variety of Amanda of 30.55 cm. 
STUDI EFISIENSI PEMANFAATAN NITROGEN EMPAT VARIETAS PADI SAWAH PADA TANAH INCEPTISOL. Anwar, A.H. Syaeful; Darjanto, H.
JURNAL AGROTROPIKA Vol 14, No 2 (2009): Agrotropika Vol.14 No.2 2009
Publisher : JURNAL AGROTROPIKA

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The research was conducted in Green House of Agricultural Faculty Jenderal Soedirman University Karangwangkal Village, North Purwokerto Subdistrict, Banyumas Regency. The research was performed at December 2007 until April 2008. Experimental design used was Randomized Complete Block Design (RCBD) that comprised of two factors that were nitrogen fertilization and lowland variety. Nitrogen fertilization comprised of fours level that were 0 kg N/ha (N0), 80 kg N/ha (N1), 160 kg N/ha (N2), 240 kg N/ha (N3), while tested lowland varieties comprised of 4 varieties that were : varieties of IR-66, Indragiri variety, Dusel variety and Padi Halus variety. Research result showed that there was difference of physiological characteristic in utilize nitrogen, difference of nitrogen use efficiency and difference of optimal dose in each tested variety. Nitrogen fertilization increase with increase of crown N absorption and grain N absorption. Highest to lowest nitrogen use efficiency that was IR-66 variety, Indragiri variety, Padi Halus variety and Dusel variety. Optimal dose of nitrogen fertilizer at IR-66 variety was 100 kg N/ha, Indragiri variety was 200 kg N/ha, Dusel variety was 83,3 kg N/ha and Padi Halus variety was 50 kg N/ha.Keywords : efficiency, nitrogen, variety, Inceptisol