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    Phosphorus correlation with relative Yield of Vegetable Grown in the Ultisol-Nanggung, Bogor, Indonesia

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    3708_correlation_report_for_SANREM.doc (98.5Kb)
    Downloads: 215
    Date
    2007
    Author
    Kartika, Juang Gema
    Susila, Anas D.
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    Abstract
    Phosphorus (P) correlation experiment has been done in Ultisol soil in Nanggung District, Bogor, Indonesia from 2006-2007 to find the best P extraction method which is suitable for vegetables i.e Amaranth (Amaranthus sp), Kangkong (Ipomoea aquatica L), Eggplant (Solanum melongena L), Chili (Capsicum annuum L), Tomato (Lycopersicon esculentum Mill), Green Bean (Pahaseolus vulgaris L), and Yard Long Bean (Vigna unguilata L). Treatments were P rate : 0, 45, 90, 135 and 180 kg P2O5ha-1 or equal to 0, 125, 250, 375 and 500 kg SP36 (36% P2O5) ha-1. Treatments were arranged in Randomized Complete Block design with three replications. Soil samples were taken from every plot and analyzed with five extraction methods. The extraction methods are HCl 25%, Morgan Vanema, Bray 1, Mehlich and Olsen. Soil analysis results were correlated with each vegetable's relative yield. The best soil extraction method is the soil extraction method that showed highest correlation with vegetable relative yield. Olsen method showed highest correlation with amaranth, chili and tomato relative yield, while HCL 25% showed highest correlation with yard long bean and eggplant. Morgan Vanema showed highest correlation with kangkong relative yield and Bray I for green bean.
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    http://hdl.handle.net/10919/68541
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    • Sustainable Agriculture and Natural Resource Management (SANREM) Knowledgebase [3994]

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