Saha, P B, A K Jha, W Aind, and K Chaterjee. 2020. “Management of Secondary Nutrients and Micronutrients in Rice under Ricewheat Cropping System in Acid Soil”. ORYZA-An International Journal of Rice 57 (3). http://epubs.icar.org.in/index.php/OIJR/article/view/106535.