Sailaja Kumari M, Ushakumari K. Effect of vermicompost enriched with rock phosphate on the yield and uptake of nutrients in cowpea (<i>Vigna unguiculata</i> [L. ] Walp). JTA [Internet]. 2006 Oct. 25 [cited 2024 Nov. 27];40:27-30. Available from: https://jtropag.kau.in/index.php/ojs2/article/view/70