ISSN: 1313 – 8820 (print)
ISSN: 1314 – 412X (online)
Indexing: AGRIS (FAO), CABI, EBSCO-host, ROAD and DOAJ
About the journal
Agricultural Science and Technology /AST/ was founded in 2009 by Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria.
It’s is published in English in one volume of 4 issues per year, as a printed journal and in electronic form.
This issue in 2025 is printed with the financial support by Contract No. 06-НП6/73 from 10.12.2024, financed by Bulgaria National Science Fund (BNSF), grant "Bulgarian scientific periodicals".
NEW Articles
Comparative analysis of indigenous and improved small ruminant management techniques among rural households in Iwo Agricultural Zone, Osun State, NigeriaA.A. Alabi1, K.M. Idris-Adeniyi2, A.O. Busari2, K.S. Ayandiran3 and A.P. Ajuwon1 1Osun State University, Faculty of Agricultural Production and Management, College of Agriculture, Ejigbo Campus, Department of Agricultural Economics and Agribusiness Management. 2Osun State University, Faculty of Agricultural Production and Management, College of Agriculture, Ejigbo Campus, Department of Agricultural Extension and Rural Development. 3Osun State […]
Influence of compost and/or biochar on soil hydrophysical properties of Samaru, Northern Guinea Savanna of NigeriaM.D. Angyu1, J. Garba2 and A. Abdulkadir2 1Department of Soil Science and Land Resources Management, Faculty of Agriculture, Federal University P.M.B 1020 Wukari, Taraba State Nigeria. 2 Department of Soil Science, Institute for Agricultural Research/ Faculty of Agriculture, Ahmadu Bello University Zaria. (Manuscript received 25 January 2025; accepted for publication 09 July 2025) Abstract. Savannah soils are low in organic matter requiring the […]
Microbiological soil activity after application of combined nitrogen fertilizers and Bacillus subtilisB. Malcheva Department Silviculture, Faculty of Forestry, University of Forestry, 1000 Sofia, Bulgaria (Manuscript received 13 May 2025; accepted for publication 28 July 2025) Abstract. The main groups of soil microorganisms were determined in the experimental combination of ammonium fertilizers, microbial fertilizer containing Bacillus subtilis and molasses. In the cultivation of a nutrient medium for non-spore-forming bacteria and bacilli, the […]
Potassium sorption in soils of delta state of NigeriaA.O. Bakare1, C.E. Olue2 and O. Osemwota3 1Department of Soil Science and Land Management, University of Benin, Benin City, Nigeria. 2Department of Soil Science and Land Resource Management, Ambrose Alli University, Ekpoma, Edo State, Nigeria. 3Dept. of Agronomy and Environmental Management, Benson Idahosa University, Benin City, Edo State, Nigeria. (Manuscript received 06 January 2025; accepted for publication 28 July 2025) Abstract. Potassium […]
Prevalence of gastrointestinal helminths infection in cattle based on breed, sex, age, location and management systemB.A. Koto1, M.M. Adua1, I.S. Musa1 and I. Mallam2 1Department of Animal Science, Faculty of Agriculture, Nasarawa State University, Keffi, Shabu-Lafia Campus 2Department of Animal Science, College of Agriculture and Environmental Sciences, Kaduna State University, Kafanchan Campus (Manuscript received 14 April 2025; accepted for publication 09 June 2025) Abstract. Helminths are parasitic worms that live in the animals or humans that feed on the […]
Theoretical analysis for optimal control of hydrostatic four-wheel drive of a self-propelled harvesterY. Stoyanov1, G. Tihanov2 1Technical University of Sofia, Branch Plovdiv, Department of Transport and Aircraft Equipment and Technologies, 25 Tsanko Diustabanov str.,4000 Plovdiv, Bulgaria 2Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 22 March 2025; accepted for publication 24 July 2025) Abstract. The objective of this article is to examine the hydrostatic […]
Development of fat body in worker bees (Apis mellifera L.) in autumn supplemental feeding with various protein sourcesI.G. Georgiev Department of Non-ruminant Animals and Special Branches, Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria (Manuscript received 05 June 2025; accepted for publication 04 August 2025) Abstract. The present study evaluated the effect of autumn feeding with different protein sources on the development of the fat body in worker bees (Apis mellifera L.). The experiment involved 28 bee colonies, divided into seven groups […]
Utilization of some citrus peels and vitamin premix as additives in African Catfish (Clarias gariepinus) DietsE.O. Adeparusi1, I.O. Oke1,2, A.M. Ijadeyila1 1Department of Fisheries and Aquaculture Technology, School of Agriculture and Agricultural Technology, Federal University of Technology, P.M.B. 704, Akure, Ondo State. 2Department of Fisheries and Aquaculture, College of Agriculture, Lagos State University of Science and Technology, P.M.B. 1007, Ikorodu, Lagos State (Manuscript received 11 August 2024; accepted for publication 16 June 2025) […]
Pathways to climate resilience: adoption and challenges of climate-smart agriculture in Northeast Nigeria: A reviewA. Michael1, M. Polycarp2, N.K. Multafu3, M.G. Bunu4 1Modibbo Adama University Yola, Faculty of Agriculture, Department of Agricultural Economics and Extension, Yola, Nigeria. 2Modibbo Adama University Yola, Faculty of Agriculture, Department of Agricultural Economics and Extension, Yola, Nigeria. 3Department of Agricultural Education, Umar Suleiman College of Education, Gashua, Yobe State, Nigeria. 4Department of Agricultural Technology, […]
Herbs as feed additives in small ruminant nutrition: A reviewK. Zhelyazkova Department of sheep husbandry and breeding, Agricultural Academy, Agricultural Institute Stara Zagora, 6000, Bulgaria (Manuscript received 8 June 2025; accepted for publication 01 August 2025) Abstract. The prohibited use of nutritional antibiotics due to the emerging resistance of microbial pathogens has initiated a quest for alternatives to replace them in the feed of animals from different species and categories. Increasing […]
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Tomato leaf miner, Tuta absoluta (Povolny) (Lepidoptera: gelechiidae) – first record in Bulgaria
Correlation between grain yield and yield components in winter barley varieties
Fibromelanosis in domestic chickens
Fatty acid composition of common carp, rainbow trout and grey mullet fish species
Influence of genotype and environments on quality of winter wheat varieties in Northern Bulgaria
Functional properties of maltitol
Grouping of determinate local tomato varieties on the basis of cluster analysis
Grain combines productivity according to various unloading methods – in the field and at the edge of the field
Genotype x Environment Interaction and Stability Analysis of Some Narbonne Vetch (Vicia narbonensis L.) Genotypes
Near Infrared Spectroscopy and aquaphotomics for monitoring changes during yellow cheese ripening
Correlation between grain yield and yield components in winter barley varieties
Fibromelanosis in domestic chickens
Fatty acid composition of common carp, rainbow trout and grey mullet fish species
Influence of genotype and environments on quality of winter wheat varieties in Northern Bulgaria
Functional properties of maltitol
Grouping of determinate local tomato varieties on the basis of cluster analysis
Grain combines productivity according to various unloading methods – in the field and at the edge of the field
Genotype x Environment Interaction and Stability Analysis of Some Narbonne Vetch (Vicia narbonensis L.) Genotypes
Near Infrared Spectroscopy and aquaphotomics for monitoring changes during yellow cheese ripening