T, RAMESH, S HAZARIKA, B U CHOUDHURY, MANOJ KUMAR, B C VERMA, K RAJASEKAR, and S V NGACHAN. 2014. “Soil Fertility Changes under Long-Term Integrated Nutrient Management Practices on Acid Soils of Meghalay”. Indian Journal of Hill Farming 27 (1). https://epubs.icar.org.in/index.php/IJHF/article/view/46666.