Efficiency of nitrogen fertilization based on the fertilizer application method and type of maize cultivar (Zea mays L.)
P. Szulc, H. Waligóra, T. Michalski, M. Rybus-Zając, P. Olejarskihttps://doi.org/10.17221/654/2015-PSECitation:Szulc P., Waligóra H., Michalski T., Rybus-Zając M., Olejarski P. (2016): Efficiency of nitrogen fertilization based on the fertilizer application method and type of maize cultivar (Zea mays L.) . Plant Soil Environ., 62: 135-142.
This article demonstrates the influence of the method using application of 100 kg N/ha of nitrogen fertilizer and hybrid types of maize (Zea mays L.) on selected efficiency indicators used for this macroelement. It was shown that in comparison to traditional broadcast fertilization, fertilization in rows or fertilization in rows combined partly with top dressing increased the values of such characteristics as nitrogen uptake and use, percentage of fertilizer nitrogen in the total nitrogen uptake as well as the agricultural and physiological effectiveness of the nitrogen. All the studied nitrogen effectiveness factors for maize (apart from physiological effectiveness) were significantly higher for the stay-green cultivar. In relation to a traditional cv. ES Palazzo, the cv. ES Paroli stay-green was characterised by poorer use of the nitrogen uptake regardless of the nitrogen fertilizer application method, which was visible in the lower values of physiological effectiveness.Keywords:
macronutrient; grain; method of nitrogen fertilization; N application effectiveness factors
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