Optimization of soil properties for production, land reclamation, regeneration and development of soils in degraded and devastated areas, utilization of waste materials in environment shaping, circulation of elements in natural and anthropogenic eco-systems with regard to soil–fertilization–plant–animal connection, the use of micro-organisms in agriculture and environment protection, socio-economic conditioning of company development and competitiveness in agri-business, the condition of tourism in rural areas and its development prospects, modern technologies in plant cultivation, biological progress in agriculture, genetic, farming and biotechnological examination of plants, durability of grass communities, their usefulness and importance for nature and landscape, quality assessment of raw material in cultivated, medicinal, special and energetic plants, evaluation of food with regard to technological and ecological conditions.