BISWAS, HRITTICK, R K RATTAN, and A K SINGH. 2011. “Transformation of Miemroaantrients As Influenced by Tillage, Water and Integrated Nutrient Managemeat Erander Rice (Oyza Sativa) -Wheat (Triticum aesfiv~m)c Ropping System*”. The Indian Journal of Agricultural Sciences 77 (9). https://epubs.icar.org.in/index.php/IJAgS/article/view/3194.