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All Journal Agrovigor: Jurnal Agroekoteknologi MAPETA Jurnal Agrotek Tropika
Ir, MT., Siswanto
Fakultas Pertanian Universitas Pembangunan Nasional “Veteran” Jawa Timur
Agriculture, Biological Sciences & Forestry Education

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Journal : MAPETA

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Karakteristik Lahan Untuk Tanaman Melon (Cucumis Melo L.) dalam Kaitannya Dengan Peningkatan Kadar Gula Ir, MT., Siswanto; Dr. Ir, MP., Bakti Wisnu W; Ir, MP., Purwadi
MAPETA Vol 12, No 2 (2010): MAPETA
Publisher : MAPETA

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The experimental was conducted in randomized block design and three replication with three factor. First factor was fertilize cage with dose 0 tonha-1, 10 tonha-1, 20 tonha-1 and 30 tonha-1. Second factor was fertilize KCl with dose 175 kgha-1, 200 kgha-1and 225 kgha-1. Three factor dolomit with dose 100 kgha-1, 125 kgha-1and 150 kgha-1. Result showed that addition fertilize Cage, fertilize KCl and Dolomit by signifikan on weight fruit, sugar content, and fibre of melon. Rate of weight with mean 1.82 kg. Rate of highest Heavy at treatment B3K2CM3 (2.30 kg) and lowered at treatment B1K3CM2 (1.20 kg). Rate of sugar with mean 10.47% and rate of fibre with mean 9.86%. Rate of highest Sugar at treatment B3K3CM3 (13.44%) and lowered at treatment of B1K2CM2 of equal to 7.20%. rate of highest fibre at treatment B4K1CM3 (11.72%). and lowerwd at treatment of B2K1CM2 of equal to 7.78%. Use fertilize cage with dose 20 kgha-1, fertilize KCL 200 kgha-1and dolomit 150 kgha-1 have an effect on to fruit quality of melons.Key Word: Land Characteristic, Sugar Content
STUDI KELAS KESESUAIAN LAHAN TANAMANTEBU LAHAN KERING SEBAGAI DASAR PENGELOLAANNYA DI KEC. KEMLAGl KAB. MOJOKERTO -, Siswanto; Sutrisno, Hadi
MAPETA Vol 2, No 5 (2000): MAPETA
Publisher : MAPETA

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Study onrainfed sugarcane land suitability clasification  as a basis for farm management The land studied was grouped into five mapping  units (SPK I, SPK II, SPK III, SPK IV and SPK V), bases on degree of production. The result showed that all actual sub classes of SPK were relatively uniform, including S3 (Marginal suitable) with drainage, available  P, and Total N as limiting factors .. These  should  be  overcame  by organic  matter,  Phosphat  and  Nitrogen  fertilizers  application  and  drainage management
STUDI EROS. DAN CIR' H.DROLIKA ALiRAN DIPt:RMUKAAN LAHAN (Erosion Study and Hydroulic Row on Land Surface) MT., Ir. Siswanto; Anwar, Nadjadji
MAPETA Vol 4, No 13 (2002): MAPETA
Publisher : MAPETA

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The purposed of the study is to identify of characteristics hydraulic flow and erosion as real picture on incipient motion-m sediment transport. The study is conducted in types of soil namely Alfisol and Entisol. They have a wide range utilization and a high erosion susceptibility. Simulation has been conducted by dropping eight different rain height to undisturbed soil block samples with 2.500 square em, width and 10 em thickness and with 9 % and 17 % land slopes. The results shows that surface run off not play in detachment of soil particle if equal with rain pellet and dispersion of water, but its transport sediment. Surface run off on plot standard in two kind of soil (Alfisol and Entisol) is laminar sub critics with Reynold number 140,2 and 136,2; Froude Number 0,940 and 0,980; drag force 9,02 and 4,44 Nm-2. Whereas 17% slope is super critics with Reynolrd Number 206,2 and 78,1; Froude number 1,219 and 1,286 and drag force 14,79 and 9,76 Nm-2.· Key Words: Erosion, hydraulic characteristic, sediment transport
STUDI BEDA PROPORSI PUPUK-TANAH- LIMBAH INDUSTRI BAJA "STEEL SLUG" TERHADAP PERUBAHAN CIRI KIMlA TANAH DAN PERTUMBUHAN TOMAT -, Siswanto; Mindari, Wanti
MAPETA Vol 10, No 3 (2008): MAPETA
Publisher : MAPETA

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Exploiting of Industrial disposal steel "Steel Slug" for plant media to hang in doubt because obstetrical height of Fe make poison for crop though height Ca and Mg have an effect on positive at crop growth. Research designed to study type proportion fertilize (NPK, Cotton Seed (CS), Compost (C), and Manure (M», soil, and" Steel Slug from '112 5 until 4/2/5 in degrading Fe of through forming Fe-80 complex( chelat+Fe), change pH, N, Ca, Mg, KTK at Entisol 3-7 WAI (Weeks After Incubation), and also the tomato Crop growth old age 35 DAP (Days After Planting). Result of attempt indicate that proportion of fertilizerlsoil/"Steel slug 1 - 4/2/5 Steel Slug" manifestly degrade soil pH that is 1.30,1.63,0.73,0.6 set of, successively for treatment at 5 WAI, and N-Total Mean mount reality equal to 0.48, 0.65, 0.83 and 0.55 for NPK, CS, C and Manure. Obstetrical of Ca at 3 MSI and 5 MSl, lowered by 25.00 me/ 100 g ( NPK 2/2/5), 221.50 me/100 g ( KP 1/2/5). KTK Land.Ground mount mean of equal to 58% ( 5 MSI) and 16% ( 7 MSI). downhill Ion Ferro very real at  5 MSI mean 45% and 7 downhill MSI of mean 30%. While dry weight of crop old age 35 DAP do not show real influence Keyword: "Steel Slug", type fertilize, soil, soil chemical
Co-Authors Anwar, Nadjadji Dr. Ir, MP., Bakti Wisnu W Haidar Fari Aditya Purwadi MP. Ir Ramadhani, Winih Sekaringtyas Shofihatul Maula Sri Yusnaini Sutrisno, Hadi Wanti Mindari