Vol 15, No 1 (2018)

	Study of Soil Degradation Status at Jatipurno District, Keduang Sub-Watersheds, Wonogiri Regency, Central Java Apriani Widiatiningsih, Mujiyo Mujiyo, Suntoro Suntoro https://dx.doi.org/10.15608/stjssa.v15i1.21616	PDF 1-14
	Characteristics of Biochars from Plant Biomass Wastes at Low-Temperature Pyrolysis Liska Mutiara Septiana, Gunawan Djajakirana, Darmawan Darmawan https://dx.doi.org/10.15608/stjssa.v15i1.21618	PDF 15-28
	The Effects of Rice Husk Ash and Dolomite on Soybean Yield at Latosol Soil Aditya Perdanatika, Suntoro Suntoro, Pardjanto Pardjanto https://dx.doi.org/10.15608/stjssa.v15i1.21620	PDF 29-34
	Characterization of Humic Substance Extracted from Andisols, Spodosols, Peat, and Lignite Eka Rahmi, Suwardi Suwardi, Basuki Sumawinata https://dx.doi.org/10.15608/stjssa.v15i1.21622	PDF 35-45
	Land Suitability Evaluation for Upland Rice in Tirtomoyo District, Wonogiri Regency, Indonesia Nur Aida Suheri, Mujiyo Mujiyo, Hery Widijanto https://dx.doi.org/10.15608/stjssa.v15i1.21670	PDF 46-53
	Potential Production of CH4 And N2O in Soil Profiles from Organic and Conventional Rice Fields Arif Anshori, Bambang Hendro Sunarminto, Eko Haryono, Mujiyo Mujiyo https://dx.doi.org/10.15608/stjssa.v15i1.19324	PDF 54-60
	The Potential Of Nickel Slag with Humic Substance Addition as Ameliorating Materials on Gajrug Red-Yellow Podzolic Febrianti Rosalina, Dyah Tjahyandari, Darmawan Darmawan https://dx.doi.org/10.15608/stjssa.v15i1.17814	PDF 61-68

	Front Matter Sudadi Sudadi https://dx.doi.org/10.15608/stjssa.v15i1.21862	PDF i-iii
	Back Matter Sudadi Sudadi https://dx.doi.org/10.15608/stjssa.v15i1.21864	PDF App 1-14