Doctoral studies are preparing for work on a research or research and development in the discipline of agronomy. Graduate receives relevant for this level competencies and skills. In particular, obtains knowledge and abilities of methodological research in the agricultural sciences. It has the ability to formulate scientific hypotheses and producing and evaluating scientific papers. Obtains solid and advanced substantive knowledge in the field of agronomy and environment, as well as in economics, statistics, pedagogy, methodology and research ethics. He is a specialist in the field of technology in agricultural production, especially crops. The substantive purpose of the education is to gain knowledge about environmental and agronomic factors affecting crop production, primarily on the quantity and quality of the harvested crop. Graduate also has a knowledge of the fundamental rights which determine the rural development, both with regard increasing productivity and environmental risks. During his studies is formed awareness of professional and ethical liability for the implementation of the approach of good-quality food with conserving the natural environment. PhD thesis is an original solution of scientific issue in the field of agriculture.