Utpal Giri and Dipankar Saha, N.P.A.D. (2017) “Effect of Organic Matter vis-a-vis Humic Acid on Nutrient Availability and Yield Attributes of Rice – Mustard Cropping Sequence”, Journal of the Indian Society of Soil Science, 65(2). Available at: https://epubs.icar.org.in/index.php/JISSS/article/view/72900 (Accessed: 6 June 2026).