Výsledky vyhledávání - "Kotelnikova, N. S."

К вопросу зараженности Bithynia tentaculata видами рода Trematoda

Autor: Mikhailova, K. S., Kotelnikova, N. S.

At the moment the problem about pollution of the city is very important. In this context, the aim of our work was to study the infection of species Trematoda of the genus Bithynia. Our objectives are: to identify the degree of contamination of shellf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______917::0eb376b3dd151f683808296a60be3fd7
https://hdl.handle.net/10995/105358

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OF MEALY DEW OF MAPLE ACUTIFOLIATE AND WORKING OUT OF MEASURES OF STRUGGLE AGAINST IT IN THE CONDITIONS OF THE CITY OF ST.-PETERSBURG AND LENINGRAD REGION

Autor: Shmarova, A. A., Kotelnikova, N. S.

Now to protection of ornamental plants in St.-Petersburg and area it is not given proper attention. There are no data on specific structure of activators of mealy dew of trees and bushes, bioecological features of development of the activator of dise

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______917::093be6bfc4624b771272eeb193c1f1a0
https://hdl.handle.net/10995/105359

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