Abstract
In the conditions of the Vologda Region on sod-podzolic soil, the calculated fertilization systems on average for 2015 - 2018 increased the yield of potato tubers by 41 - 66% compared to the minimum dose of fertilizers. The maximum starch content of 12.8% was observed when using an organomineral fertilizer system. The research shows a direct linear relationship between the content of “crude” protein and the yield of potato tubers.
Highlights
Potato cultivation is a branch of agriculture in the Russian Federation and the Vologda Region in particular, where personal subsidiary plots of the population prevail in the total volume of production, and as a result, this industry is characterized by low marketability and production instability
In order to study the potential for obtaining a yield of potato tubers - 25 t / ha using the minimum and calculated fertilization systems on sod-podzolic medium loamy soil, studies were carried out in 2015 - 2018. in the field stationary experiment
The experiment was carried out according to the scheme, which considered various models of the application of fertilization systems: 1 option - without the use of fertilizers - control, 2 option - using fertilizer when planting potato tubers N20P20, 3, 4 options - mineral fertilization systems, differing Kb of potassium use, respectively N125P50K225 and N125P50K270, 5 option - organo-mineral system, element equivalent to option 3 N70P15K45+40 t/ha of rotted manure
Summary
Potato cultivation is a branch of agriculture in the Russian Federation and the Vologda Region in particular, where personal subsidiary plots of the population prevail in the total volume of production, and as a result, this industry is characterized by low marketability and production instability. The problems concerning the development of new, demanded models for the development of potato growing, based on the achievements of science and its interaction with practice, which are guided by the needs of buyers and quick return on costs, are urgent. It is most advisable to use fertilizers in a certain system with the existing alternation of crops in crop rotation (agrocenosis), since in this case the effect, and the aftereffect of both organic and mineral forms, is taken into account most fully [1 -7]
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