APA
D.K. Prabhuraj, M.K. Badiger Department of Soil Science and Agricultural Chemis, . (1988). Effect of phosphorus, sulphur and zinc on yield and composition of sunflower (Helianthus annuus L.). Bangalore: University of Agricultural Sciences, Bangalore.
Chicago
D.K. Prabhuraj, M.K. Badiger Department of Soil Science and Agricultural Chemis, . 1988. Effect of phosphorus, sulphur and zinc on yield and composition of sunflower (Helianthus annuus L.). Bangalore: University of Agricultural Sciences, Bangalore.
Harvard
D.K. Prabhuraj, M.K. Badiger Department of Soil Science and Agricultural Chemis, . (1988). Effect of phosphorus, sulphur and zinc on yield and composition of sunflower (Helianthus annuus L.). Bangalore: University of Agricultural Sciences, Bangalore.
MLA
D.K. Prabhuraj, M.K. Badiger Department of Soil Science and Agricultural Chemis, . Effect of phosphorus, sulphur and zinc on yield and composition of sunflower (Helianthus annuus L.). Bangalore: University of Agricultural Sciences, Bangalore. 1988.