Production of corn hybrids with stabilized urea and foliar nutrition
DOI:
https://doi.org/10.29312/remexca.v9i6.407Keywords:
Zea mays L., microelements, nitrification inhibitors, plant nutritionAbstract
Six corn hybrids were evaluated in Ixtlahuaca, Villa Victoria and Temascalcingo, State of Mexico, in factorial arrangement, with conventional urea, Urea NitroXtend with Agrotain and Urea NitroXtend with Agrotain + S at a rate of 250 kg ha-1 of N and four foliar fertilization treatments (Control, Quimcasa, Disagro and Bios). The combination of factors 3*6*3*4 with four repetitions. The foliar treatments were applied in stage V4-6 and V9-10. A sub-subdivided plot design was used, with the larger plot for hybrids, medium plot for urea types and smaller plot for foliar fertilization treatments. The Tukey test at 5% was used for the comparison of means. For grain yield, the averages were Ixtlahuaca 13.6, Temascalcingo with 11.7 and Villa Victoria 10.8 t ha-1, for hybrids it was for the BG1304 of 14.24, BG1384 with 13.79, Syn1806 with 12.28, Albatros with 11.60, H-51AE with 10.25 and H-57AE with 10.24 t ha-1, no response was found to the types of urea, while for foliar fertilization the control (11.13 t ha-1) was surpassed by the Quimcasa treatments (12.36 t ha-1), Disagro (12.49 t ha-1) and Bios (12.30 t ha-1). Positive interactions of hybrids (H) by types of ureas (U) and hybrids x foliar fertilization (F) were found. The high yields obtained are due to the use of new hybrids and the adoption of the best agricultural practices (MPAs), among which soil fertilization and foliar nutrition stand out.
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