The pivotal role of biochar in enhancement soil properties, morphophysiological and yield characters of barley plants under drought stress


  • Khaled ABDELAAL Kafrelsheikh University, Faculty of Agriculture, Agricultural Botany Department, EPCRS Excellence Center, Plant Pathology and Biotechnology Laboratory, 33516 (EC)
  • Salman ALAMREY King Saud University, College of Science, Department of Biochemistry, P.O. Box 2455, Riyadh 11451, Riyadh (SA)
  • Kotb A. ATTIA King Saud University, Center of Excellence in Biotechnology Research, P.O. Box 2455-11451, Riyadh 11451; RRTC, Institute of Field Crops, Department of Rice Biotechnology, ARC, Sakha, 33177, Kafrelsheikh (SA)
  • Mohamed ELROBH King Saud University, College of Science, Department of Biochemistry, P.O. Box 2455, Riyadh 11451, Riyadh (SA)
  • Nihal ELNAHHAS Alexandria University, Faculty of Science, Department of Botany and Microbiology, Alexandria 21526 (EG)
  • Ahmed ABOU EL-YAZIED Ain Shams University, Department of Horticulture, Faculty of Agriculture, Cairo 11566 (EG)
  • Mervat A.R. IBRAHIM Ain Shams University, Faculty of Agriculture, Biochemistry Department (EG)



antioxidants, barley, biochar, drought, ; electrolyte leakage, lipid peroxidation


Drought is one of the most harmful abiotic stresses in arid and semiarid regions, so, field experiments were performed to examine biochar impact (15 or 20 t ha−1) on soil properties, physiological, morphological, and yield of barley under drought conditions. Our results displayed that drought caused a remarkable decrease in stem height and leaf area. Additionally, relative water contents (RWC%), chlorophyll a and b concentrations, as well as yield parameters were significantly reduced under drought. Conversely, lipid peroxidation (MDA), electrolyte leakage (EL%), and enzymatic activity were significantly augmented in the stressed plants during both seasons. Application of biochar led to improve leaves number (15.3), stem height (57%) and leaf area. Also, physiological characters like chlorophyll (72%) and RWC (33%), as well as yield, were increased considerably. Contrariwise, MDA and EL were reduced significantly (47 and 54%) under biochar application; furthermore, biochar led to regulate peroxidase and catalase activity in the stressed plants. It is concluded that biochar treatment can significantly improve soil properties, particularly soil EC (dSm-1), soil organic matter % and soil pH as well as increase yield characters via improving stress tolerance of barley under drought conditions; the best treatment was 20 t biochar ha−1 in the plants irrigated twice.


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How to Cite

ABDELAAL, K., ALAMREY, S., ATTIA, K. A., ELROBH, M., ELNAHHAS, N., ABOU EL-YAZIED, A., & IBRAHIM, M. A. (2022). The pivotal role of biochar in enhancement soil properties, morphophysiological and yield characters of barley plants under drought stress. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 50(2), 12710.



Research Articles
DOI: 10.15835/nbha50212710