M. Nankova*, A. Atanasov Dobrudzha Agricultural Institute, 9520 General Toshevo, Bulgaria (Manuscript received 28 June 2018; accepted for publication 5 September 2018) Abstract. During2014–2017,theinfluenceofsomemainagronomyfactorsonthesizeoftheresultantagronomiceffectfromtheirapplica

M. Nankova1*, A. Ivanova1, N. Tsenov2 1Dobrudzha Agricultural Institute, 9520 General Toshevo, Bulgaria 2Agronom I Holding, 9300 Dobrich, Bulgaria Abstract. Under conditions of Haplic Chernozems, the dynamics and the intensity of dry matter increase in the spikes of the common winter

A. Ivanova, N. Tsenov Abstract. The constant interest in common wheat investigations is determined by the main share this crop has in agriculture and by the unique properties it possesses. This investigation was carried out under field conditions for a three-year period (2009 – 2011)