Agricultural biotechnology and plant nutrition Agro-economical aspects of plant nutrient management Biological fertilizers and fertilization techniques Biosystems technology Developments in fertilizer production sector and fertilizer raw materials Modern agricultural mechanization and sustainable soil fertility Modern fertigation and foliar fertilization techniques in plant nutrition New methods and technologies in fertilization and irrigation New methods in plant, soil and water analysis Organic agriculture, good agricultural practices and plant nutrition Plant nutrient management in soilless culture Plant nutrition and disease/pest control relationships in plants Plant nutrition management-soil, water and environmental quality interactions Plant nutrition strategies in sustaining crop yield, quality and food safety