Cost-effectiveness assessment of the system of using mineral fertilizers in production conditions

In this article, there is an information about how the indicator of cost-effectiveness assessment can be calculated and evaluated depending on amount of plant nutrition required to achieve the value of planned crop. There are also some results of putting mentioned information into practice and some conclusions about the necessity of making corrections in existing fertilizer using system which are based on data that we obtained in the course of our research. Information presented in this article will be helpful for farms that are currently practicing the use of fertilizers in order to systematize research data which is already obtained