K. SUSAN JOHN, et al. “Soil Test-Based Low Input Nutrient-Management Strategy: A Decade Experience in Cassava (Manihot Esculenta) in Ultisols of Kerala”. Indian Journal of Agronomy, vol. 63, no. 2, Apr. 2024, pp. 216-23, https://doi.org/10.59797/ija.v63i2.5409.