The use of organic manures in the agricultural plays a vital role in improving the quality of turmeric as well as improving the soil health. Turmeric is having a close relation with human health; hence demand of organically grown turmeric is increasing tremendously. A field trial was conducted to study the effect of different organic manures (generally recommended fertilizer dose, farmyard manure, vermicompost, press mud compost, poultry manure, sugarcane trash, wheat straw, turmeric trash and jeevamrut ) on the yield and curcumin content of turmeric Cv. Phule Swarupa on Inceptisol at Agricultural Research Station, Dist-Sangli, Maharashtra, India. The trial was conducted on the fixed site of soil for the continuous of five years (2009-2013). The maximum dry yield (62.42 q ha-1) of the turmeric was recorded by application of the general recommended dose of fertilizer (GRDF) i. e. 25 MT FYM + 200:100:100 kg N:P2O5:K2O ha-1 which was at par with the vermicompost (11.36 T ha-1). The highest number of leaves per tiller and number of tillers per plant, plant height and curcumin content was recorded in the GRDF, which was at par with vermicompost. The highest benefit: cost ratio (1.59) was also noticed in GRDF, which was at par with the application of vermicompost (1.54) on a nitrogen basis. The soil available nutrient status was taken into consideration during experimentation. The application of vermicompost (11.36 T ha-1) along with Phosphate Solubilizing Bacteria and Azospirillium @ 5 kg ha-1, respectively at the time of planting was found superior for higher dry yield (55.45 q ha-1), net monetary returns (Rs. 137035) and maintenance of soil fertility for organic cultivation of turmeric.
Curcuma longa, growth, Organic cultivation, quality, turmeric, yield
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