EN
In the agricultural research various problems exist and there is a great deal of means of their solving. Although the field experiment is an essential element of agricultural research allowing to solve both theoretical and practical problems, reduction of the number of experiments as well as the expansion of science and technology brought about changes of the manner of research and of the methods of analysis and synthesis. Therefore, on the one hand the integration of research and its complementation can be observed, on the other the substitution of one means and experimental processes for another is occuring.