EFFECT OF ZINC AND BORON ON GROWTH AND YIELD OF TRANSPLANTED ONION (ALLIUM CEPA L.) IN ALIFISOLS OF TAMIRABARNI TRACT

S. SETHUPATHI¹, M. PARAMASIVAN²*, K. MANIKANDAN³, N. SENTHIL KUMAR^4
1Department of Soil Science and Agricultural Chemistry, Agricultural College and Research Institute, Killikulam, 628252, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu
²Department of Soil Science and Agricultural Chemistry, Agricultural College and Research Institute, Killikulam, 628252, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu
³Department of Soil Science and Agricultural Chemistry, Agricultural College and Research Institute, Killikulam, 628252, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu
⁴Department of Agronomy, Agricultural College and Research Institute, Killikulam, 628252, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
* Corresponding Author : paramusoil@gmail.com

Received : 01-01-2019     Accepted : 12-01-2019     Published : 15-01-2019
Volume : 11     Issue : 1       Pages : 7725 - 7727
Int J Agr Sci 11.1 (2019):7725-7727

Keywords : Onion, STCR, Zinc, Boron, Growth, Bulb yield
Academic Editor : Pramit Pandit, Dr Gangavarapu Subrahmanyam
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
Author Contribution : All authors equally contributed

Field experiment was conducted at Agriculture College and Research Institute, Killikulam, Tamil Nadu during rabi season of 2017-18 to study the effect of soil test crop response (STCR) application of N, P and K along with zinc and boron on growth and yield onion. The experiment was laid out in a randomized block design with three replications. Biometrics such as plant height, number of leaves per plant, fresh leaves weight, bulb lets clump-1, polar diameter, equatorial diameter, weight of bulb and bulb yield were recorded. The growth and yield were significantly influenced by the soil and foliar application of zinc and boron with STCR dose of NPK. Application of STCR (106:97:54 kg of NPK ha-1) + ZnSO4 @ 25 kg ha-1 + 0.5% foliar spray significantly influenced the growth, yield characters and bulb yield. The lowest growth, yield characters and bulb yield were recorded under control. The fertilizer treatment of STCR (106:97:54 kg of NPK ha-1) + ZnSO4 @ 25 kg ha-1 with 0.5% foliar spray was found to be the best suitable method and dose for transplanted onion production.

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