title: Эффективность органоминеральной системы удобрения и защиты сельскохозяйственных культур восьмипольного стационарного севооборота в условиях Крыма
abstract: The article shows the results of years of research conducted in a dry land of the Steppe Crimea, in the stationary experiment on the study of effect of different systems of plant nutrition and protection on the humus content and yield of eight course rotation. Research has established the high efficiency of the biological system of fertilizers, that allow to get an ecologically clean production.
journal: Agrarian Bulletin of the