Efficiency of Foliar Applied Nanonutrients (Nitrogen, Zinc and Copper) on Growth and Yield of Rice at Harvest

Author: P. Chandana*, K. R. Latha, C. R. Chinnamuthu, P. Malarvizhi and A. Lakshmanan

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Abstract

A field experiment was conducted during rabi 2020-21 at the Wetland farms of Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore to study the effect of foliar nanonutrients (N, Zn and Cu) application on the growth and grain yield at harvest of transplanted rice. Twelve treatments with three replications were laid out in randomized complete block design. The results revealed that application of 100% NPK + Nano N at active tillering showed highest plant height (88.93 cm), leaf area (38.98 cm2), number of leaves (90.64) and drymatter production (105.32 g plant-1) at harvest of rice which was at par with 75% N + 100% PK + Nano N at active tillering (87.92 cm, 36.87 cm2, 82.52, 101.54 g plant-1) and 100% NPK + Nano Zn at active tillering and panicle emergence (87.65 cm, 36.43 cm2, 77.38, 98.42 g plant-1). The highest number of total tillers hill-1, productive tillers hill-1 at harvest and grain yield was recorded with the application of 100% NPK + Nano N at active tilleri

Keywords

Nano nitrogen; nano zinc; nano copper; foliar application; rice; tiller production.