Purnomo, Erry, Program Study of Natural Resource and Environmental Management, Lambung Mangkurat University. Present address: Center for Research and Mine Closure Developments PT Adaro Indonesia, Hauling Road KM 73 Wara, Tabalong, Kalimatan Selatan, Indonesia

• Vol 15, No 1: January 2010 - Articles
  Extreme High Yield of Tropical Rice Grown Without Fertilizer on Acid Sulfate Soil in South Kalimantan, Indonesia
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