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The Central Scientific Agricultural Library of the Russian Academy of Agricultural Sciences is a Bibliographic Center for Agricultural Science and Industry in Russia

Journal Article

Journal article

Justification of potato cultivation technologies depending on fertilizers and varietal characteristics in the Moscow region  [2019]

Koj, K., Peoples' Friendship Univ. of Russia, Moscow (Russian Federation); Sukharev, Yu.I., Russian State Agrarian Univ., Moscow (Russian Federation); Piven', E.A.; Shuravilin, A.V., Peoples' Friendship Univ. of Russia, Moscow (Russian Federation);

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The research was carried out in a farm situatedin the Voskresensky District of the Moscow Region in 2015-2017.Theaimis the development of adaptive industrial technology for potato cultivation on light-grey forest soils to obtain the big and high-quality yields. The growth processes of potatoes, its phytosanitary condition, and plant weight accumulation that responded well to agrotechnical measures by increasing the leaf area and, consequently, photosynthetic activity were evaluated. The regularities of potato yield depending on the technology of its cultivation, mineral fertilizers and varieties were studied.It has been established that the highest efficiency of potato cultivation was obtained with the use of industrial (so called Dutch) technology, accompanied with potassium sulfate at a rate of 60 kg/ha.iapplying in addition to the background (N120P90K120) when 'Arizona'varietywas planted. The maximal crop yield obtained in such conditions is 42.1 ton per 1 hectare. The increase is of 22.2% compared with the same version of traditional technology, and 55% compared with the control plot.The quality of potato tubers is estimated according to its biochemical composition, heavy metals and nitrates content. The highest indicators of the biochemical composition of potatoes were obtained when industrial technology and additional potassium sulphate were applied. It was greater than for traditional technology in ancorrespondingexperiment version for dry matter by
8.1%, protein content by 15.8%, starch by 6.4%, and vitamin C by 11%. In the same variant, the lowest concentration of heavy metals and nitrates in tubers was noted.

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Agrochem Herald

ISSN : 0235-2516