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• pdf  143.801kb doc 143.801kb Views: 1787 Date: 28.04.2011
  Osipov Y. F. Ivanitskiy Y. V.

  VALUATION OF ROLE OF AGROECOLOGICAL CONDITIONS IN FORMING OF GRAIN PRODUCTIVITY OF AGROPHYTOCENOSIS OF WINTER WHEAT WITH THE USE OF FACTORIAL ANALYSIS

  03.00.00 Biological sciences

  Tags: agrophytocenosis agroecological conditions hypotethetical system mineral nutrition winter wheat yield formula the factorial analysis factorial influence photosynthetic activity effective fertility
  Description

  The results of study of production process of winter wheat amid of changing of agro ecological conditions such as seeding time, level of initial fertility, fertilizer system and variety throughout 3 year-research are shown in the article. Five hypotethetical systems are pointed out with the help of factorial analysis. Detached varieties and research years are pointed out in terms of their factorial influence

• pdf  91.422kb doc 91.422kb Views: 1659 Date: 28.10.2010
  Gurina I. V.

  PHOTOSYNTHETIC ACTIVITY OF THE GRASS MIXTURE IN THE CONDITIONS OF THE RECULTIVATED ASH DISPOSAL AREA

  06.00.00 Agricultural sciences

  Tags: water supply ash deposit mineral fertilizers grass mixture photosynthesis photosynthetic activity
  Description

  The results of multi-years field study of the research of photosynthetic activity of Hungarian sainfoin + coach grass + awnless brome grass mixture in the conditions of the second recultivated section of ash disposal area of the Novocherkassk SDPP are reported