List of Articles Time of phytoremediation 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