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Effect of Trace-nutrient Foliar Fertilizer on Nutrient Balance, Growth, Yield and Yield Components of Two Cereal Crops

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Author(s): Mahmoud M. Shaaban

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 4;
Issue: 7;
Start page: 770;
Date: 2001;
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ABSTRACT
The effect of two doses of a trace nutrient foliar fertilizer containing 5.2 % Mn, 0.65 % Zn and 0.65 % Cu was studied on the nutrient concentration and balance within the leaves and their impact on the yield and yield components of wheat and maize. Results showed that foliar fertilizer feeding increased the concentrations of Mg, Ca, Fe, Mn, Zn and Cu in the leaves of wheat and maize. In maize leaves, N, P and K were also enhanced especially with the higher dose (T2). Use of the fertilizer led also to nutrient ratios in the leaves near the recommended levels. In wheat, P/Mn, P/Zn and Fe/Zn while in maize, N/P, N/K, N/Fe, P/Mn and P/Zn approached the sufficient levels. This led to significant increases in yield and some of the yield components. Plant heights, number of tillers/plant, grain and straw yields of wheat were significantly increased using the higher dose (T2). Meanwhile, ears No./plant, ear weight, grains weight/ear, weight of 100 grains and yield of maize were significantly increased with both foliar doses (T1& T2) however, T2 was superior in increasing weight of 100 grains and yield.
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