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Scientific studies of nitrogen agrochemistry should be aimed at finding new ways for the most rational use of nitrogen fertilizers, ensuring a reduction in its unproductive losses and an increase in payback by yield increase. One of the factors affecting the efficiency of technical nitrogen use is forms of nitrogen-containing fertilizers. The importance of nitrogen top-dressings in the production of winter crops in modern conditions has increased due to the fact that over the past 15 years arable land saturation with organic fertilizers has decreased significantly, and the stocks of available nitrogen compounds in soils are often negligible. The search for methods to increase the efficiency of using nitrogen fertilizers under conditions of a significant decrease in their production and use necessitates a more detailed study of issues related to plant nutrition, their absorption of nutrients from the soil and applied fertilizers. The article reflects the results of studies on the effectiveness of various forms of nitrogen fertilizers used in different ways to fertilize winter wheat with no-till technology. As a result of the research for the 2015-2018 agricultural years, it was found that the highest productivity of the crop was obtained using the in-soil application of liquid nitrogen fertilizers, which exceeded the figures for the use of agricultural tools for surface application of the AMAZONE ZF-M 1500 spreader and AMAZONE UX 4200 Super sprayer, solid and liquid forms of nitrogen fertilizers.

Impact of agricultural machinery on increasing efficiency of nitrogen fertilizers used in top-dressing of winter wheat grown with no-till technology