Comparison of DTPA Extracting Methods for Available Copper with Multinutrient Extractants in Vertisols and Inceptisols Manuscript Number2023/IJPSS/104498 JournalInternational Journal of Plant & Soil Science AuthorsNeeta Mahawar, Sanjay Srivastava, Subhash Chand Gupta, S. K. Trivedi Back to Journal