Zhanna Ionova is a cardiologist at Petersburg State Medical University, St.-Petersburg, Russia.
Biography
Mineral fertilizers play an important role in increasing the productivity and yield of tomato plants in the conditions of irrigation. This article presents data on the study of various combinations of mineral elements (N90P80K45 kg/ha), and their influence on photosynthetic processes occurring in plants, and tomato productivity in conditions of the Volga Delta on alluvial- meadow heavy loamy weakly saline alkali soils of the Astrakhan region.
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