UTPAL GIRI AND DIPANKAR SAHA, Niladri Paul, Ashim Datta. 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, India, v. 65, n. 2, 2017. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/72900. Acesso em: 6 jun. 2026.