Effect of Foliar Application with Growth Promoters and Mixture of Fe, Zn and Mn on Growth and Yield of Corn under Different Nitrogen levels

Document Type : Original Article

Authors

1 Crop Physiology Research Department, Field Crop Res. Inst., ARC, Giza, Egypt.

2 department of agronomy El Azhar unvirisity

3 Agriculture economic research institute Crop Research institute (Agric. Res. Center) Egypt.

Abstract

In the summer of 2020 and 2021, two field experiments were conducted at the Sakha Agricultural Research Station in Kafr el-Sheikh, Egypt. The primary aim of the research was to optimize the growth characteristics and yields of hybrid TWC.360 corn by applying nitrogen fertilizer rates and foliar application. Experiment was conducted in a split-plot design with four replication. The results indicated that in all seasons, grain production, protein percentage, growth parameters, and yield attributes all greatly outperformed other study levels (80 and 100 kg N/fed) when nitrogen fertilizer was administered at a rate of 120 kg N/fed. In corn, foliar application of amino total, melagrow, and combinations (Fe+Zn+Mn) produced the highest values for grain protein percentage and growth parameters in both seasons. However, in both seasons, the maximum values of yield and its constituents were obtained with foliar application of Amino complete. In general, based the results obtained in from study, this resulted in reducing the costs of nitrogen fertilization while obtaining the same yield value / average costs it can be concluded that to maximize the growth and productivity of corn under environmental conditions in the North Delta location of Egypt.

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