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Candidate dissertation
Dem'yanyuk Olena Sergiyivna. Biological activity of soddy-podzolic soils and productivity of barley by systematical use of fer-tilizers in rotation. : к.с.-г.н. : spec.. 06.01.03 - Агроґрунтознавство і агрофізика : presented. 2001-06-22; . National agrarian university. – , 0401U002039.
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Updated: 2025-01-03