APA

Vishwanath P. Bhat, H.M. Manjunathaiah Department of Soil Science and Agricultural Chemis, . (1993). Effect of copper and sulphur on growth and yield of sunflower (Helianthus annuus L.) and their residual effect on bengal gram (c. Dharwad: University of Agricultural Sciences, Dharwad.

Chicago

Vishwanath P. Bhat, H.M. Manjunathaiah Department of Soil Science and Agricultural Chemis, . 1993. Effect of copper and sulphur on growth and yield of sunflower (Helianthus annuus L.) and their residual effect on bengal gram (c. Dharwad: University of Agricultural Sciences, Dharwad.

Harvard

Vishwanath P. Bhat, H.M. Manjunathaiah Department of Soil Science and Agricultural Chemis, . (1993). Effect of copper and sulphur on growth and yield of sunflower (Helianthus annuus L.) and their residual effect on bengal gram (c. Dharwad: University of Agricultural Sciences, Dharwad.

MLA

Vishwanath P. Bhat, H.M. Manjunathaiah Department of Soil Science and Agricultural Chemis, . Effect of copper and sulphur on growth and yield of sunflower (Helianthus annuus L.) and their residual effect on bengal gram (c. Dharwad: University of Agricultural Sciences, Dharwad. 1993.