29
MAR
2022

Sowing characteristics of the durum wheat seeds (Triticum durum Desf.) by use of some antigraminaceous and combined herbicides

G. Delchev Department of Plant Production, Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria (Manuscript received 31 Mai 2021; accepted for publication 13 December 2021) Abstract. The research was conducted during 2018 – 2020 on pelvic vertisol soil type. Under i
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22
DEC
2021

Possibilities for integrated control of the cotton bollworm (Helicoverpa armigera Hübner, 1808) in the growing tomato in greenhouses

R. Mineva1*, V. Yankova2, N. Valchev1 1Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Maritsa Vegetable Crops Research Institute, 32 Brezovsko shose Str., 4003 Plovdiv, Bulgaria (Manuscript received 20 June 2021; accepted for pu
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22
DEC
2021

Growth and yield of pomato under the Syrian coastal mountains conditions

Alaa Suhiel Ibrahim* Research station of Ciano, Jableh, the agricultural scientific research center in Lattakia, general corps of scientific agricultural researches, Syria (Manuscript received 27 July 2021; accepted for publication 18 October 2021) Abstract. The world has always been
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30
SEP
2021

Pulsation parameters of new and used milking liners with round cross section

G. Dineva*, K. Peychev, D. Georgiev Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 4 June 2021; accepted for publication 26 July 2021) Abstract. Milking machines equipped with new and used milking lin
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30
SEP
2021

Comparative study of a milking unit pulsation system in laboratory and field conditions

G. Dineva* Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 20 May 2021; accepted for publication 12 July 2021) Abstract. A comparative study of the pulsation phases in classic milking units was perform
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30
SEP
2021

Selectivity and stability of herbicides, herbicide tank mixtures and herbicide combinations on seed yield of Clearfield oilseed canola (Brassica napus L.)

G. Delchev* Department of Plant Production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 31 May 2021; accepted for publication 26 July 2021) Abstract. During the period 2018-2020 a field experiment was carried out with the winter Clearfie
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30
SEP
2021

Operational characteristics of a machine-tractor unit for direct sowing of barley using the JD LINK telematics system

G. Tihanov*, G. Hristova Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 11 June 2021; accepted for publication 26 August 2021) Abstract. A study has been conducted for some operational indicators of a
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28
JUN
2021

Optimizing the thickness of a straw outer wall of a building for sows in a view to achieving cost-effective heat insulation

V. Dimova*, D. Georgiev Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 22 November 2020; accepted for publication 16 April 2021) Abstract. The aim of the study is to determine the optimum thickness of
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28
JUN
2021

Effect of transport vehicles on the grain harvester idle time during harvesting

G. Tihanov* Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 12 December 2020; accepted for publication 2 April 2021) Abstract. The article studied the effect of transport vehicles on the grain harveste
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30
MAR
2021

Length-weight relationship of European catfish (Silurus glanis L.) fry reared at different stocking densities under controlled conditions

V. Krasteva*, M. Yankova Institute of Fisheries and Aquaculture, 4003 Plovdiv, Bulgaria (Manuscript received 14 October 2020; accepted for publication 18 January 2021) Abstract. The present paper investigates the body length and weight, and the size-weight variations of one-month-old
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