S. Sheikshalik, G. Sivakumar and M. Meyyappan
Abstract
This study, conducted in 2022 at the Experimental Farm of the Department of Agronomy, Annamalai University, investigates the impact of bio-digested bone sludge compost on rice root length and volume. Assessing various combinations of organic composts and inorganic fertilizers, the research aims to elucidate their effects on rice growth. Results indicate a significant increase in both root length and volume with the use of bio-digested bone sludge compost, particularly when combined with pressmud compost. This suggests its potential in enhancing sustainable rice cultivation practices by promoting root development, improving nutrient absorption, and enhancing soil structure. Furthermore, the integration of organic composts with inorganic fertilizers ensures a balanced nutrient supply to rice plants, further enhancing growth and productivity. Among the treatments tested, application of bone sludge compost @ 5 t/ha + Pressmud compost @ 5 t/ha, along with balanced N and K through fertilizers (T4), demonstrated superior performance in root length and volume. In conclusion, the study highlights the efficacy of incorporating bio-digested bone sludge compost, especially in conjunction with pressmud compost, as a sustainable approach to maximize rice yield. These findings underscore the benefits of utilizing organic soil amendments in rice cultivation, offering valuable insights into environmentally friendly farming practices. Overall, this research contributes to our understanding of optimizing agricultural practices for enhanced crop productivity and sustainability. Considering the results of the present investigation, it can be concluded that the application of bone sludge compost @ 5 t/ha + Pressmud compost @ 5 t/ha, along with balanced N and K through fertilizers, registered the highest values in root length and root volume in rice.