M.A. Ojo1*, D.B. Saleh2, A.A.A. Coker1, A.O. Ojo1 1Department of Agricultural Economics and Farm Management, Federal University of Technology, P.M.B. 65 Minna, Niger State, Nigeria 2Government Science and Technical College, P.M.B. 1013 Zuru, Kebbi State, Nigeria (Manuscript received 2

Oblakova*, Y. Popova, P. Hristakieva, N. Mincheva, M. Lalev   Agricultural Institute, 6000 Stara Zagora, Bulgaria (Manuscript received 21 June 2017; accepted for publication 16 January 2018)   Abstract. In the present study six lines from the National Gene Pool (Bulgaria) were us

А. Genchev1, H. Lukanov1*, I. Penchev2   1Department of Animal Science – monogastric and other animals, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Department of Morphology, Physiology and Nutrition, Faculty of Agriculture, Trakia University, 600

M. Oblakova1, N. Mincheva1, P. Hristakieva1, I. Ivanova1, M. Lalev1, Sv. Georgieva2 1Agricultural Institute – Stara Zagora, 6000, Bulgaria 2Department of Genetic, Breeding and Reproduction, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript receiv

M. Gerdzhikova* Department of Plant Growing, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 12 December 2016; accepted for publication 20 February 2017) Abstract. During the period 2008-2011 the influence of the predecessors wintering peas,

N. Delchev1*, K. Trendafilov2, G. Tihanov1, Y. Stoyanov1 1Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Department of Machine Engineering, Faculty of Engineering and Technologies – Yambol, Trakia University, 6000

H. Botеva* Vegetable Crops Research Institute Maritsa, 32 Bezovsko shoose, 4003 Plovdiv, Bulgaria (Manuscript received 27 April 2016; accepted for publication 31 May 2016) Abstract. Field experiments for the effect of bio-fertilizers: Labin, Bio One, Tecamin, Agriful, Humustim and Bio

G. Delchev*, M. Georgiev Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria Abstract. Herbicides combinations and tank mixtures of herbicides with adjuvants, fertilizers, growth regulators, fungicides, insecticides, are more effectiv

N. Tsenov1*, T. Gubatov1, E. Tsenova2 1Agronom I Holding, 9300 Dobrich, Bulgaria 2Dobrudzha Agricultural Institute, 9525 General Toshevo, Bulgaria Abstract. Objectives. The height of the stem of wheat has a direct impact on its productivity. Genetics of the trait is very particular in

P. Chamurliyski1*, E. Penchev1, N. Tsenov2 1Dobrudzha Agricultural Institute, 9521 General Toshevo, Bulgaria 2Agronom I Holding, 9300 Dobrich, Bulgaria Abstract. One of the main directions of the common winter wheat breeding programs in Bulgaria is related to enhancing productivity. S