EFFECT OF ZINC, IRON AND MANGANESE LEVELS ON GROWTH ATTRIBUTES AND GRAIN YIELD OF RICEAshok Kumar*, Avijit Sen, Rakesh Kumar and P. K. Upadhyay
A field trial comprising of 3 levels of Zinc (Zn) - 0, 5 and 10 kg ha-1, 3 levels of Iron (Fe) - 0, 15 and 30 kg ha- 1 and 3 levels of Manganese (Mn) - 0, 5 and 10 kg ha-1 was carried out during the rainy seasons of 2008 and 2009 at the Agricultural Research Farm, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, to study their effects on growth and yields of rice variety HUBR 2-1. The experiment was conducted in 33 partial confounding with two replications. Half doses of all the micronutrients were applied as basal and rest half through foliar application at deferent intervals. Among the treatments, applied zinc @ 10 kg ha-1, iron 15 kg ha-1 and manganese 5 kg ha-1 recorded the maximum growth attributes and yield of rice.
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