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HYDROLYZABLE SOIL NITROGEN CONTENT AS AN IMPORTANT INDEX FOR APPLE NUTRITION DIAGNOSTICS IN THE CONDITIONS OF CENTRAL BLACK EARTH REGION  [2014]

Kuzin A. I. Trunov Y. V. Solovyev A. V. Tarova Z. N.

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There are given the results of long-term research of different forms of soil nitrogen content and their relationships with the content of total nitrogen in leaves and yield. It was detected a strong positive correlation among them hydrolyzable nitrogen content in the soil and total nitrogen content in the leaves and yield. It is proposed the use of this index for diagnostic of soil nitrogen supply

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Polythematic Online Scientific Journal of Kuban State Agrarian University

ISSN : 1990-4665