This study aims to analyze the competitiveness of Indonesian coal commodity exports compared to the coal of Australia, Russia, United States, and South Africa in the international market and analyze the influence of production, Indonesian coal prices, exchange rates, and DMO (Domestic Market Obligation) on the competitiveness of Indonesian coal exports. The method of data collection conducted i…
This research goals is to determine the impact of the coal fly ash mixture with chicken manure and TSP fertilizer on the growth of maize (Zea mays) on Ultisols. This study was conducted in November 2012 to July 2013 in a plastic house, then observating the height of com at 15, 30, and 45 days after planting and com weight. Soil Chemical analysis carried out in the Laboratory of Chemistry, Biolo…