TY - BOOK AU - K. Srinivasa AU - H.M. Manjunathaiah Department of Soil Science and Agricultural Chemis TI - Effect of copper ore mine waste and copper sulphate application on growth and yield of subnflower (Helianthus annuus L.) U1 - 630 PY - 1996/// CY - Dharwad PB - University of Agricultural Scineces, Dharwad ER -