Soil acidification by intensified crop production in South Asia results in higher N2O/(N2Â +Â N2O) product ratios of denitrification

► Intensification of plant production may gradually acidify the soil. ► Acidification leads to high N2O/(N2 + N2O) product ratio of denitrification. ► Intensification of plant production may lead to escalating N2O emission. ► Soil pH management can moderate the effect of intensification on N2O emission.