V. R. Senthamizhkumaran P. Santhy D. Selvi N. Maragatham T. Kalaiselvi K. G. Sabarinathan


In sustainable agriculture, to ensure high-quality food production, a combination of organic and inorganic nutrient sources are required. During the winter season of 2020, a field experiment was undertaken in the western zone of Tamil Nadu to assess the effects of organics and inorganics on the growth, yield, and soil properties of rice, Oryza sativa var. CO 51. The experiment was framed in Random Block Design (RBD) comprising of 8 treatments viz., Recommended dose of fertilizer Soil Test Crop Response (STCR) approach (T1), RDF 75 % + Farm yard manure @ 12.5 t ha-1 (T2), T2 + Seed treatment with Azospirillum and Phosphobacteria + Soil application of AM fungi (T3), RDF 75 % + Vermicompost @ 5 t ha-1 (T4), T4 + Seed treatment with Azospirillum and Phosphobacteria + Soil application of AM fungi (T5), FYM @ 12.5 t ha-1 + Seed treatment with Azospirillum and Phosphobacteria + Soil application of AM fungi (T6), Vermicompost @ 5 t ha-1+ Seed treatment with Azospirillum and Phosphobacteria + Soil application of AM fungi (T7) and absolute control (T8) , replicated thrice. Among the integrated nutrient management practices, T5 proved its superiority over other treatments with respect to growth and physiological parameters followed by T3. This would have been because of the solubilization of phosphorus in the soil by AM organisms which is made accessible for crop growth. Utilization of biofertilizer enhanced the N availability and solubilized the inaccessible phosphorus, which thus recorded higher N accessibility and better phosphorus uptake when applied along with a recommended dose of fertilizer for rice.



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Arbuscular mycorrhizae, Farmyard manure, Nutrient uptake, Rice, Soil fertility, Vermicompost

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Senthamizhkumaran, V. R. ., Santhy, P. ., Selvi , D. ., Maragatham, N. ., Kalaiselvi, T. ., & Sabarinathan, K. G. . (2021). Effect of organic and inorganic nutrients on rice (Oryza sativa var. CO 51) productivity and soil fertility in the Western zone of Tamil Nadu, India. Journal of Applied and Natural Science, 13(4), 1488–1498. https://doi.org/10.31018/jans.v13i4.3118
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