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Growth of Seedlings of Three Perennial Crops on Gold Mine Soil Amended with Organic Waste in Bombana, Southeast Sulawesi.

Darwisa , Asrul Sani*b , Suaiba , Dirvamena Boera , Syamsu Alama , and Yuni Trihewindatic
Gold mining activity in Bombana district plays an important role in providing employment. However, it significantly influenced physical and chemical soil properties. This study investigates the effect of organic waste amendment on the growth of seedlings of three perennial crops; Anthocepalus cadamba, Tectona grandisL.f, and Gmelina arborea, on gold mine soil. Five soil samples were taken from different locations, air-dried, sieved and uniformly mixed to form a composite sample. A split-plot design with three replications was applied in this experiment. The main plot was seedlings of the crops. Subplot was organic waste amendment; biogas manure, layer manure and rice straw. Each organic amendment (with 50 g, 100 g, and 150 g ploybag-1 ) was added with 25 g of Trichoderma, sp. to all treatments. The result shows that the application of organic waste amendment up to 50 g has significantly affected on the growth of all crops compared to the control. G.arborea has a good performance on plant height, length of leaf and number of leaves for severely degraded soil. Biogas manure was effective for G.arborea growth, while layer manure and rice straw were effective for T.grandisL.f. and A.cadamba. A.cadamba seems more sensitive to water stress than G.arborea and T.grandisL.f. Keywords: Gold mining, organic waste, seedlings growth, trichoderma sp. Keywords: Gold mining, organic waste, seedlings growth, trichoderma sp

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Diterbitkan pada: Research Journal of Pharmaceutical, Biological and Chemical Sciences (RJPBCS) • ISSN : 0975-8585 (online) • Vol. 8, Number 3 (May-June 2017), pp. 1996-2002 • Terindeks pada: Scimago SJR (Q3, h-index 12), Embase (Elsevier), Google Scholar.

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