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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 8, Issue 3 (2019)

Post-harvest soil health of wetland rice ecosystem as influenced by spatial arrangements and integrated nutrient management

Author(s):

Rex Immanuel R, S Sanjai Gandhi, M Thiruppathi, J Sriman Narayanan, M Saravanaperumal, GB Sudhagar Rao and G Murugan

Abstract:
A field experiment was conducted at Annamalai University Experimental Farm, Department of Agronomy, Annamalai University, Annamalainagar to study the effect of spatial arrangements and integrated use of green leaf manure with inorganic nutrition on soil fertility and microbial population of post harvest soil of wetland rice. The results revealed that the spatial arrangements and integrated nutrient management were significantly influenced the post harvest soil health and microbial population. Among the treatment combinations, spot seeding of rice at 30 ´ 30 cm spacing for Thaladi and 25 ´ 25 cm spacing for Navarai season under the integrated application of 50 per cent N via., Albizia lebbeck along with 50 per cent N via., inorganic fertilizer significantly improved the post harvest soil available N (268.51and 244.56 kg ha-1), P2O5 (23.89and 24.67 kg ha-1) and K2O (382.92and 337.04 kg ha-1) during the Thaladi and Navarai seasons, respectively. The same trend was also recorded in the soil microbial population of bacteria (58.78 and 46.33 x 10-6 g-1 of soil), fungi (39.78 and 34.00 x 10-4 g-1 of soil) and actinomycetes (8.00 x 10-6 g-1 of soil), respectively.

Pages: 815-818  |  800 Views  211 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
Rex Immanuel R, S Sanjai Gandhi, M Thiruppathi, J Sriman Narayanan, M Saravanaperumal, GB Sudhagar Rao and G Murugan. Post-harvest soil health of wetland rice ecosystem as influenced by spatial arrangements and integrated nutrient management. J Pharmacogn Phytochem 2019;8(3):815-818.

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