A recent study published in the International Journal of Environmental Science and Technology examined the long-term effects of cassava stem (CS) biocharBiochar is a carbon-rich material created from biomass decomposition in low-oxygen conditions. It has important applications in environmental remediation, soil improvement, agriculture, carbon sequestration, energy storage, and sustainable materials, promoting efficiency and reducing waste in various contexts while addressing climate change challenges. More on soil properties and maize cultivation over two years. Biochar, a charcoal-like substance produced from organic biomassBiomass is a complex biological organic or non-organic solid product derived from living or recently living organism and available naturally. Various types of wastes such as animal manure, waste paper, sludge and many industrial wastes are also treated as biomass because like natural biomass these More, has been recognized for its potential to improve soil health. This research specifically investigated how a single application of CS biochar affected soil and maize yield across four consecutive crop cycles.

The study’s findings revealed that CS biochar amendment led to significant improvements in various soil properties, including pHpH is a measure of how acidic or alkaline a substance is. A pH of 7 is neutral, while lower pH values indicate acidity and higher values indicate alkalinity. Biochars are normally alkaline and can influence soil pH, often increasing it, which can be beneficial More, electrical conductivity, cation exchange capacity, organic matter content, and nutrient levels. These improvements suggest that biochar can contribute to enhanced soil fertility and create a more favorable environment for plant growth. Furthermore, the research explored the impact of biochar on soil bacteria, identifying beneficial bacterial strains and their abundance in biochar-amended soil.

While biochar application positively influenced soil health, the study also observed a trend of decreasing maize yield and productivity over the two-year period. However, the plots treated with biochar, particularly those with a combination of biochar and fertilizer, maintained higher yields compared to the untreated control plots. This suggests that while biochar can improve soil conditions, continuous maize cultivation may require additional nutrient management strategies to sustain high yields over extended periods.

In conclusion, this research provides valuable insights into the long-term effects of biochar on soil and maize production. The results indicate that biochar can be an effective tool for improving soil properties and supporting initial crop yields. However, the study also highlights the importance of considering nutrient management in continuous cultivation systems to ensure sustained productivity. The findings suggest that a combined approach of biochar amendment and strategic fertilizer application could be a promising strategy for farmers seeking to enhance soil health and maintain crop yields.

Source: Wijitkosum, S., Sriburi, T., & Chutivisut, P. (2025). Biochar amendment improves soil properties and augments soil bacteria on continuous maize cultivation over two years. International Journal of Environmental Science and Technology, 0(0), 1-18.