The Effects of Using Urea with Nitrogen Stabilizer as Top Fertilizer on Some Yield and Quality Criteria in Bread Wheat and Corn
Keywords:Wheat, Corn, Nutrisphere-N-Urea, Yield, Quality
AbstractIn this study; The effects of using urea as top fertilizer and "Nutrisphere-N-Urea" fertilizer, which is a nitrogen stabilizer, on some yield and quality criteria of bread wheat and corn were investigated. Experiments were carried out in the fields of the Eastern Mediterranean Agricultural Research Institute according to a randomized block design with four replications. In the wheat trial; control (no fertilizer), conventional-DAP (15 kg/da)+Urea (29 kg/da), DAP (15 kg/da)+Nutrisphere-N-Urea (15 kg/da) and DAP (15 kg/da)+Nutrisphere-N-Urea (29 kg/da) subjects including were studied. In the corn trial; 25 kg DAP/da+without top fertilizer; 25 kg DAP/da+60 kg Urea/da and 25 kg DAP/da+60 kg Nutrisphere-N-Urea/da were the subject of the research. As a result of the observations and analysis of variance, the effect of the use of "Nutrisphere-N-Urea" on yield and yield criteria in wheat, despite the classical top fertilizer (Urea) application, was found to be statistically significant. While the yield per decare was 326.88 kg in the traditional application, it was found to be 388.46 kg when Nutrisphere-N-Urea (15 kg/da) was used. In the corn trial; While the effect of the use of "Nutrisphere-N-Urea" on plant height, first ear height and hectoliter weight was found to be statistically insignificant compared to the control subject, it was seen that it caused statistically significant differences on stem diameter and yield values. The highest yield (1774.31 kg/da) and crude protein (8.95%) and low starch ratio (67.73%) were obtained from the “25 kg DAP/da+60 kg Nutrisphere-N-Urea/da” application.
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