Selectivity and stability of herbicides and their tank mixtures for the seed yield of sunflower (Helianthus Annuus L.)

G. Delchev1*, T. Barakova2 1Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Field Crops Institute, 6200 Chirpan, Bulgaria (Manuscript received 16 May 2016; accepted for publication 11 August 2016) Abstract. The research was condu
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Changes in the productivity and the yield structural elements in some spring crops sown on damaged by frost crops of winter oilseed canola

G. Delchev* Department of Plant Production, Faculty of Agriculture, Trakia University, 6000, Stara Zagora, Bulgaria Abstract. During 2010 – 2012 a field experiment was conducted. Eight hybrids of winter oilseed canola (Brassica napus L.) were investigated: 2 ClearField hybrids – PT200
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Efficacy and selectivity of vegetation-applied herbicides and their mixtures with growth stimulator Amalgerol premium at oil-bearing sunflower grown by conventional, Clearfield and ExpressSun technologies

G. Delchev Abstract. During the period 2010 – 2012, on the experimental field of the Field Crops Institute – Chirpan was carried out a field experiment with oil-bearing sunflower (Helianthus annuus). A total of 18 variants from the three technologies for oil-bearing sunflower gr
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