ANALISIS SIFAT KIMIA TANAH GAMBUT YANG DIKONVERSI MENJADI PERKEBUNAN KELAPA SAWIT DI KABUPATEN KAMPAR The research was conducted on February to agustus 2013 in the Tambang and Tapung Districk, Kampar Regency, Riau Province. The purpose of this research was to observe changes of soil chemical ...