TY - BOOK AU - Amit M. Pujar AU - B. N. Aravinda Kumar, TI - Response of sunflower (helianthus annuus I.) to graded levels of sulphur and sulphur oxidizing biofertilizer (thiobacillus thioo U1 - 630 PY - 2014/// CY - Dharwad PB - University of Agricultural Sciences ER -