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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Languages: Indonesian
Types: Unknown
Subjects: Volcanic Ash, Steel Slag, Seawater, Rice Ciherang, Toba Plateau
The objective of the research is to knowthe effect of volcanic ash, steel slag and Seawater on soil chemical properties and growth Ciherang rice. The study was conducted at Greenhouse Faculty of Agriculture, Sumatera Utara and soil sample analyst in the Laboratory of Research and Technology. This study uses randomized block design non factorial with eight treatments, G0 (Control), G1 (Volcanic ash 250 g / pot), G2 (Slag steel 50 g / pot), G3 (Seawater 250 ml / pot), G4 (Volcanic ash 250 g + steel slag 50 g / pot), G5 (volcanic ash 250 g + Seawater 250 ml / pot), G6 (slag steel 50 g + Seawater 250 ml / pot), G7 (volcanic ash 250 g + slag steel 50 g + sea water 250 ml / pot) with three replications. The results showed that the treatment by added ameliorant steel slag (G2) may increase the soil pH . Combination of volcanic ash and steel slag (G4) increase the electrical conductivity of the peat soil, seawater treatment provision (G3) tends to lower soil pH and decrease the number of vegetative tillers. Applications all ameliorant didn’t give positive influence on the bases of exchange of landmainlyNa+,Ca2+andMg2+. 110301262
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