List of Articles Biochar Open Access Article Abstract Page Full-Text 1 - The Ameliorating Effect of Poultry Manure and Its Biochar on Petroleum-Contaminated Soil Remediation at Two Times of Cultivation Maryam Barati Sedigheh Safarzadeh Dariush Mowla Fereshteh Bakhtiari Amirhossein Najafian Fateh Tavakoli 10.22034/jchr.2020.1900546.1136 Open Access Article Abstract Page Full-Text 2 - Optimization of Cadmium Removal from Aqueous Solutions Using Walnut-shell Residues Biochar Supported/unsupported by Nanoscale Zero-valent Iron through Response Surface Methodology Mahboub Saffari 10.22034/jchr.2018.544197 Open Access Article Abstract Page Full-Text 3 - Growth and Micronutrient Uptake of Oat Plant (Avena sativa) in Oil Contaminated Soils as Affected by Poultry Manure and Biochar Maryam Barati Sedigheh Shirazi 10.22034/jchr.2022.1954970.1528