STUDY ON MULTIPLE SEED PELLETING OF RICE (ORYZA SATIVA L.) SEEDS

G. KALAIVANI¹*, D. MANOHAR JESUDAS^2
1Department of Farm Power and Machinery, Agricultural Engineering College & Research Institute, Kumulur, Tiruchirappalli, 621712, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu
²Agricultural Machinery Research Centre, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
* Corresponding Author : kalaivani.agriengg@gmail.com

Received : 02-05-2019     Accepted : 12-05-2019     Published : 15-05-2019
Volume : 11     Issue : 9       Pages : 8382 - 8386
Int J Agr Sci 11.9 (2019):8382-8386

Keywords : Germination of pelleted rice, Pelleted seeds, Pelleting multiple seeds, Physico-mechanical properties, Rice seedling
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Scientific and Industrial Research (CSIR) for providing the funds used to conduct this research. Authors are also thankful to Agricultural Machinery Research Centre, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
Author Contribution : All authors equally contributed

This study was aimed at development of an alternate rice seed planting method instead of direct sowing of bare rice seeds. CO51 variety rice seeds were bound pelleted and prepared for planting. Bare rice seeds (three) were collated and bound with glue manually and were pelleted with a special pelleting mixture in a pelleting device and then germination tests were carried out for both bare and pelleted seeds. The physico-mechanical properties of bare rice seeds, bound rice multiple seeds (three) and pelleted rice seeds such as length, width, thickness, sphericalness, bulk density, true density, thousand weight of grains, coefficient of static friction, porosity, angle of repose, pelletization efficiency, fragmentation test, dissolution time in water, number of seeds in pellet, were measured. Germination tests were done in pot culture for bare rice seeds, bound rice multiple seeds (three) and multiple pelleted rice seeds. The study shows that, planting pelleted seeds led to equal emergence rate compared with bare rice seeds. This study showed that using the pelleted seeds result in more favorable crop than bare rice seeds. Moreover, pelleted rice seeds could be used for mechanized seeding as the pelleting could withstand the crumbling effect of the seeder’s metering mechanism.

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