TY - BOOK AU - Deepthi, P AU - Prabha Susan Philip (Guide) TI - Standardization of cold plasma treatment for nitrogen fixation in major soil types of Kerala and its effect on seedling growth of cowpea U1 - 631.4 PY - 2025/// CY - Vellanikkara PB - Department of Soil Science and Agricultural Chemistry, College of Agriculture KW - Soil Science and Agricultural Chemistry KW - Cold plasma treatment KW - Nitrogen fixation KW - Soil types KW - Kerala KW - Cowpea N1 - Msc ER -