Abstract— A laboratory experiments were conducted during the year of 2012-2014 at Annamalai University of cuddalore district under irrigated conditions to formulate site –specific nutrient management and efficiency of treatments known by comparing with rice, sunflower and black gram seeds. And the treatments includes control, 10%, 5%, 2.5% and 1% vermicompost, 10%, 5%, 2.5% and 1% phosphobacteria, 10%, 5%, 2.5% and 1% azospirillum. And the above treatments are applied to all the three seeds ie, rice, sunflower, black gram. The numbers of seeds used for the experiment are 50 seeds of paddy, 20 seeds of black gram and 10 seeds of sunflower. Highest values for plant biomass root and shoot length was noticed in 10 % all the treatments.
Keywords— Sunflower, Nutrient management, plant biomass, root and shoot length.
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