SINGH, KALYAN, YOGESHWAR SINGH, A K UPADHYAY, and S MORI. 2011. “Phytosiderophore-Based Molecular Approach for Enhanced Iron Acquisition to Increase Crop Production under High PH Calcareous Soils”. The Indian Journal of Agricultural Sciences 81 (8). https://epubs.icar.org.in/index.php/IJAgS/article/view/8397.