We tested the potential of urease inhibitor NBPT and nitrification inhibitor ATC to reduce urea-N loss under cotton and maize. Urea-N loss was substantially reduced by NBPT, whereas ATC increased the loss. The beneficial effects of NBPT were more pronounced with urea applied in subsurface bands than that applied by the conventional broadcast method.

Biochar properties change over time, known as ageing, affecting their sorption capacity. However, only three published papers have evaluated soil sorption capacity at least 3 years after biochar application. This lack of information has led to the need for long-term studies on the effect of biochar application on soil. This manuscript focuses on natural long-term biochar ageing in soil up to 6 years after a single biochar application, the fourth longest evaluated period for any organic contaminant in literature.

Sunnhemp (Crotalaria juncea) used as a green manure promotes sustainable agriculture and decreases environmental impacts associated with synthetic nitrogen use, such as nitrate leaching and greenhouse gas emissions.

Antarctic tundra soils are cold, harsh environments where bacteria play a crucial role in breaking down plant-derived, large humic substances (HS), vital for maintaining soil ecosystems. This study shows that Antarctic bacteria outperformed fungi in decomposing and solubilising HS, producing smaller compounds that microbes and plants can readily use. Our findings show that warming in polar regions may affect microbial activity and nutrient cycling, and highlights bacterial resilience and metabolic contributions to extreme environments.