International network for natural sciences – research journal
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Effect of different methods of zinc application on maize (Zea mays L.)

By: Qudratullah Shahab, Muhammad Afzal, Babar Hussain, Naeem Abbas, Syed Waqar Hussain, Qandeel Zehra, Altaf Hussain, Zubair Hussain, Ajaz Ali, Yawar Abbas

Key Words: Maize, Zinc, Soil, Foliar growth, Zinc concentration

Int. J. Agron. Agri. Res. 9(3), 66-75, September 2016.

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The present study was conducted at new developmental research farm of The University of Agriculture Peshawar-Pakistan. The aim of study was to find out impact of different methods of zinc (Zn) application to maize crop. The experiment was laid out in Randomized complete block (RCB) design replicated three times. In this experiment zinc was applied by two methods, soil, foliar and their combinations. Zinc at the rate of 5.0 and 2.5 kg ha-1 was applied in soil during sowing time while during silking stage two levels 1.0 and 0.5 kg Zn ha-1 was supplied as foliar application. Zinc in the form of zinc sulfate was applied in all methods whereas basal dose of nitrogen, phosphorus and potassium was applied at the rate of 120, 90 and 60 kg ha-1 respectively. The consequences after data collection showed that days to emergence were not affected significantly. The application of zinc via soil and foliar i.e. 5.0 and 0.5 kg ha-1 respectively significantly increased the ear length and ear weight. In the same way treatment combination 5.0 soil and 0.5 foliar kg Zn ha-1 increased grain and biological yield. The increasing Zn rates also enhanced thousand grain weight and number of grains per ear in a significant manner. Zn concentration and uptake of zinc by plant were non-significant. It was concluded from the results that application of Zn via soil and foliar combination increased growth rate and maize yield.

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