EFFECT OF DIFFERENT NITROGEN LEVEL ON THE YIELD PERFORMANCE OF AMAN RICE

Abstract

The increasing food demands from an expanding population necessitate international efforts to extend crop production and guarantee of food security. The rate of N fertilizer application is strongly associated with the soil properties and crop physiology as well as crop yield. A field experiment was conducted at BINA sub-station, Barishal during the period from July 2021 to October 2021 to find out the impact of various nitrogen (N) level such N0 = 0 kg N ha-1, N1 = 25 kg N ha-1, N2 = 50 kg N ha-1, N3 = 75 kg N ha-1, N4 = 100 kg N ha-1 and N5=125 kg N ha-1as on growth, yield and yield attributing characters of Binadhan-11. The experiment was laid out in a randomized complete block design with three replications. During harvest, data were collected on different yield contributing characters and yield of aman rice. The data revealed that morphological characters, yield parameters and grain yield showed significantly better for treatment N3 75 kg N ha-1 having yield 4.28 tons ha-1 that was increased grain yield twenty one times of control.

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