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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia
Nuri Fathia
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Agriculture, Biological Sciences & Forestry

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Growth of Gmelina Seedling with Various Compost Fertilizer in Ex-Gold Mining Land Media Basuki Wasis; Nuri Fathia
Jurnal Manajemen Hutan Tropika Vol. 17 No. 1 (2011)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Mining activities could have negative impacts on the environment if the tailings produced were not processedproperly. Non-economic tailing is a composite of various minerals (heavy metal) with sandy texture. Environmental impacts that might occur as a result of poor processing of tailings is a disruption of natural ecosystems as indicated by a decline in quality and productivity of the environment as a result of changes in soil morphology and physical properties, chemical, and biological properties. One vegetative technique that could be applied to rehabilitate degraded land is re-vegetation with the application of fertilizer. Compost could improve the physical properties, chemical, and biological properties of soil. Compost was also an agent of bioremediation so that toxic heavy metals elements in growing medium could be eliminated or reduced. The experimental design used in this study was Completely Randomized Design with compost applications consisting of 4 levels of treatment with each level of treatment consisting of 3 replications, each replication consisted of one gmelina seedling. Research showed that the application of compost would significantly affect the growth of gmelina’s height, but not significantly affected the diameter growth. Single-dose effect of 30 g of compost would significantly affect the seedling’s height. The combination of planting and fertilizing glemina using compost could be recommended in an effort to reclaim land of ex-gold mining.
Pengaruh pupuk NPK dan kompos terhadap pertumbuhan semai gmelina (Gmelina arborea Roxb.) pada media tanaha bekas tambang emas (tailing) Basuki Wasis; Nuri Fathia
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 2 (2010): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Mining activities could adversely affect the environment if the waste it generates is not processed properly. Negative impacts include disruption of natural ecosystems in the form of changes in soil structure resulting morphology and physical conditions, chemical and biological soil becomes worse. Tailings are mineralmineral/ logam-logam composite weight from mining activities, has a sandy texture. Planting crops gmelina (Gmelina arborea Roxb.) On the media tailings with the addition of NPK fertilizer and composted manure is expected to improve the physical properties, chemical and biological soil tailings as a medium for plant growth in land revegetation efforts. Experimental design used in this study was factorial design with two factors. The first factor is fertilizer NPK with 4 level and the second factor is the compost with 4 level. The interaction between NPK fertilizer and compost that give real effect on the growth of both high and diameter gmelina. So that the resulting growth in both fertilizer interaction produces a real growth. A2B3 combination treatment (NPK 10 grams to 30 grams of compost) to give the most obvious influence with the highest growth in response to the control that is 7.56 em {75.08%). In the interaction treatment A3BO (NPK fertilizer with compost 15 grams 0 grams) shows the percentage growth in value of the diameter of the supreme control of 0.0575 em {22.716%).
Co-Authors Basuki Wasis