List of Articles saturated hydraulic conductivity Open Access Article Abstract Page Full-Text 1 - Effects of different levels of biochar on soil physical properties with different textures Fatemeh Razzaghi ناهید رضایی Open Access Article Abstract Page Full-Text 2 - estimation of saturated hydraulic conductivity in some soils of Ilam province using artificial neural networks and regression methods علی حکمت زاد مسعود داوری محمدعلی محمودی کمال نبی الهی Open Access Article Abstract Page Full-Text 3 - Estimation of tortuosity coefficient under unsaturated conditions based on fractal concepts Maysam Majidi Khalilabad shiva gholizadeh sarabi bijan ghahraman Hadi Memarian Khalilabad 10.30495/wej.2021.22391.2184