M., Murugan, Dhanya K, Aswathy T. S., Ashokkumar Kaliyaperumal, Nimisha Mathews, Sathyan Thiravidamani, and Surya Raj. 2022. “Liming Tropical High Upland Acid Soils Improves Soil Fertility and Cardamom Productivity”. Journal of Current Opinion in Crop Science 3 (1):1-5. https://jcocs.com/index.php/ej/article/view/150.