Evaluación de la fertilización complementaria con urea (46%) fraccionada en el rendimiento de la variedad de trigo (triticum aestivum) iniap vivar 2010 en la estación experimental del austro INIAP

Abstract

The following investigation took place at the Experimental Station of the Austro. Its main objective was to evaluate the repeated urea fertililzation (46%) for direct application to crops, variety Triticum aestivum vivar INIAP 2010. To do so, a randomized block design with N3E factorial arrangement, twelve treatments and four repetitions, was used in an experimental batch of 160 m2. The results achieved by the application of urea were positive for: vigor, straw and BYDB (Yellow dwarf virus Wheat ), with a low presence of diseases. Furthermore, the average height achieved was 1.14 (96.98 cm /plant), varying between 95 -100 cm /plant, the E1N2 exceeded these numbers. About the type of grain, only one variable was analyzed, which corresponded to large, full and clean grain. The overall analysis determined none of the variables were statistically significant, where the development of crop was equal for all the urea fractions of application (0, 50,100,150 Kg / ha) and the same for stages: (E1, E2, E3). Generally speaking, these results were positive thanks to the absence of diseases, showing that the use of nitrogen fertilization contributes to the development of growth and performance.

Key words: Triticum aestivum, tillering , boot stage.