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The Effect of Fertilizers on Potato Productivity in the Vologda Region. Pp. 55–60.

 Версия для печати

Section: Geosciences

The full-text version of the article can be requested through the university’s library.

UDC

635.21:631.81

Authors

Chukhina Olga Vаsilyevna, Faculty of Agronomy and Forest Management, Vologda State Dairy Farming Academy by N.V. Vereshchagin (Vologda, Russia)

Abstract

The paper presents the results of researches on the effect of minimum and calculated fertilizer doses on the yield of potato tubers, starch and nitrate content, nutrient consumption, and payment for fertilizers. The test fertilizer doses increased potato yield by 72–162 % as compared to the control group, without reducing the starch content in the tubers, significantly increased the nitrate content in them without exceeding the maximum permissible concentration. Each kilogram of primary nutrient pays back 90 kg of tubers at a minimum fertilizer dose and 45–40 kg at calculated doses.

Keywords

potato, tubers, yield, fertilizers, starch, nitrates, nutrient consumption, fertilizer payback.

References

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