M PARAMASIVAN and A SELVARANI 2016. Influence of improved production technologies on productivity and economics of sunflower (Helianthus annuus L.) in Nichabanadhi sub-basin of Tamil Nadu: INFLUENCE OF IMPROVED PRODUCTION TECHNOLOGIES ON PRODUCTIVITY OF SUNFLOWER. Journal of Oilseeds Research. 33, 2 (Jul. 2016). DOI:https://doi.org/10.56739/jor.v33i2.138940.