Effect of foliar application of zinc and iron on growth, yield and quality of rice (Oryza sativa) in acid soils of eastern Himalayan region

L K BAISHYA; DIBYENDU SARKAR; T JAMIR; D J RAJKHOWA

doi:10.56093/ijas.v89i8.92864

Authors

L K BAISHYA Senior Scientist, ICAR-Research Complex for NEH Region, Medziphema, Nagaland 797 106, India
DIBYENDU SARKAR Assistant Professor Soil Science, BCKV, Mohanpur, West Bengal
T JAMIR YP-II (NICRA), ICAR-Research Complex for NEH Region, Medziphema, Nagaland 797 106, India
D J RAJKHOWA Joint Director, ICAR RC for NEH Region, Nagaland Centre, Nagaland

https://doi.org/10.56093/ijas.v89i8.92864

Keywords:

Fe, Foliar application, Rice yield, Zn

Abstract

A field experiment was conducted at the Research farm of ICAR Research complex for North Eastern Hill Region (NEHR), Manipur Centre, Lamphelpat during kharif season of 2014, 2015 and 2016 to study the effect of Zn and Fe content on yield attributes, yield and quality of rice. The experiment was laid out in randomized block design with eight treatment combinations of different foliar dose of Zinc (Zn) and Iron (Fe). The result revealed that foliar application of 2% ZnSO4 (0.5%) at tillering + 0.5% at stem elongation + 0. 5% at booting + 0.5% at grain filling) increased the yield of rice (36.34%) grain, Zn content (up to 48.17 ppm), enhanced the economics of rice production (Return/` invested 2.32), crop profitability up to `123.54 ha/day over the control (no foliar spray) and recorded better energy budget. On the other hand, foliar application of 1. 5% FeSO4 (0.5% tillering+ 0.5% at booting + 0.5% at grain filling) also recorded increase in rice yield (26.56%), grain Fe content (up to 40.0 ppm), enhanced the economics of rice production (return/` invested 2.24), crop profitability up to `91.09 ha/day and recorded better energy budget.

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