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Title

INVESTIGATE THE EFFECT OF WATER STRESS WITH APPLICATION OF K AND ZN IN CORN

Pages

 Start Page 216 | End Page 222

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Abstract

 Optimum plant nutrition, As one of the most effective ways to enable plants to resist DROUGHT are And can reduce the harmful effects of stress and helps prevent loss of YIELD. For this purpose a field study was conducted in 2010 in bavanat conty, This research is performed in the form of split factorial plot test in randomised complete blocks statistical design with 3 replicates. DROUGHT was considered as main plots, (control and stress in the vegetative stage (70 days after planting)) and Subplots include various levels of POTASSIUM sulfate (0, 150 and 300) kg/ha and ZINC levels (0, 15 and 30) kg/ha were considered.. In this experiment, grain YIELD, seed weight, plant height and stem diameter, was investigated. The results showed that DROUGHT stress significantly reduced grain YIELD, Hundred grain weight and plant height, The use of POTASSIUM sulphate and ZINC sulphate, Increased plant resistance traits, and thus to reduce the harmful effects of DROUGHT.

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