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Open Access Article
1 - Effect of zinc and boron spray on quantitative and qualitative characters of Effect of zinc and boron spray on quantitative and qualitative characters of seed corn ( KSC 704 )
kianoush safari فرهاد صادقی احمد قنبریTo evaluate the effect of foliar application of zinc and boron fertilizers on quantitative and qualitative characteristics of grain maize, an experiment was conducted with two factors using factorial in a randomized complete block design in Sar-e Pol-e Zahab. The first MoreTo evaluate the effect of foliar application of zinc and boron fertilizers on quantitative and qualitative characteristics of grain maize, an experiment was conducted with two factors using factorial in a randomized complete block design in Sar-e Pol-e Zahab. The first factor was zinc in four levels ( zero, 0.7, 1.4 and 2.1 kg/ha-1 ) and the second factor was boron in four levels ( zero, 0.3, 0.6 and 0.9 kg/ha ). Summary results showed that the effect of zinc and boron factors were significant on the stem diameter, number of kernels per row, 100 kernel weight, leaf area index, the amount of zinc and boron in the grain, protein percent and yield and grain yield at the 1% level statically. By increasing the amount of zinc fertilizer consumption, increased the stem diameter, leaf area index, number of kernel per row, 100 kernel weight, the amount of Zn and B in the grain, the amount of protein in the grain and the grain yield. The highest and lowest grain yield belonged to 2.1 kg/ha of Zinc and without the consumption of Zinc fertilizer treatments with 9.560 and 8.000 t ha-1 respectively. The 0.6 kg/ha of boron fertilizer treatment had greatest effect on the stem diameter with 28.9mm, leaf area index with 3.89, seed depth with 11.67 mm, number of kernels per row, with 41 grain and grain yield with 9.43t/ha, and this treatment was the best one. The effect of Zn and B fertilizer interaction on the yield and yield components showed that the treatment of 2.1 kg/ha oh zinc × 0.6 kg/ha boron was superior for all traits such as grain yield with 10.93 t/ha. Manuscript profile
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