Ameliorated reclamation potential of Halimeda microloba on sodic soil and its impact on the Vigna radiata

• Published in: Arabian journal of geosciences 2023, Vol.16 (7), Article 404
• Main Authors: Ravichandran, Mythili, Chinnadurai, Saranya, Subha, Bakthavachallam, Muthulaxmi, V, Sivakumar, Saroja Ramasubbu, Subbiah, Sankaralingam, Dineshkumar, R
• Format: Article
• Language: English
• Subjects: Algae; Azotobacter; Calcium; Earth and Environmental Science; Earth science; Earth Sciences; Electrical conductivity; Electrical resistivity; Enzymatic activity; Enzyme activity; Fertilizers; Gypsum; Halimeda; Microorganisms; Nutrient uptake; Original Paper; Parameters; Plant growth; Reclamation; Seaweeds; Seeds; Sodic soils; Sodium; Soil; Soil quality; Soil treatment; Uptake; Vigna radiata
• ISSN: 1866-7511; 1866-7538
• DOI: 10.1007/s12517-023-11509-8

The reclamation potential of Halimeda microloba in sodic soil was studied. The soil sample was collected and soil quality parameters were studied before and after reclamation. The seaweed was collected from the southeast coast of India and it was identified as Halimeda microloba . In addition, various commercial fertilizers including Rhizobium , Azotobacter , Azospirillum , Trichoderma , Pseudomonas , and gypsum were purchased, isolated, and identified for their influential reclamation. A pot experiment was carried out and after 1 month of treatment, the soil parameters were accomplished. The Vigna radiata (green gram) seeds were sought, monitored, and examined periodically. After reclamation treatment, the pH was greatly reduced from 9.8 to 8.0 in Halimeda microloba treatment. Meanwhile, electrical conductivity and exchangeable sodium percentage levels were diminished from 713.8 to 234.3 µs/cm and 62 to 21% respectively in gypsum treatment. Furthermore, the calcium content in gypsum was found to be 5010 mg/100 kg, and in Halimeda microloba of about 3772 mg/100 kg. Similarly, microbial biomass carbon was found to be a notable increase ( P