Institute of Agriculture

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    Study on the phenolic composition and antioxidant potential of grape juices from white grapevine varieties
    (Journal of Central European Agriculture, 2025)
    DIMITROV, Dimitar
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    YANEVA, Teodora
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    ILIEV, Anatoli
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    Factors Influencing Rural Youth Migration in North Macedonia
    (The Faculty of Agriculture, University in Banja Luka, 2024)
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    Popovska Stojanov, Despina
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    The migration of young people from rural to urban areas poses a significant challenge to the sustainable development of rural communities in North Macedonia, leading to an aging population and diminished natural growth. This trend exacerbates socioeconomic inequalities, fostering social insecurity and the exclusion of rural youth. The far-reaching consequences of this migration influence both urban and rural landscapes across various developmental domains. To that end, this research aims to investigate the impact of main socioeconomic factors on rural youth migration. A survey of 550 rural residents aged 18-40 addressed was conducted using a tailored questionnaire. The data collection approach ensured nationwide diversity across all Macedonian planning regions, nationalities, genders and village types. Data processing involved the application of standard descriptive analysis and a binary logistic regression approach. Key findings show that factors such as gender, marital status, region, nationality, education, employment and having family agricultural holdings do not significantly impact rural youth migration. On the contrary, having children, household size, perceptions of employment opportunities, urban or rural lifestyle preferences and overall rating the quality of life in rural areas exhibit notable significance. These findings contribute to a greater understanding of the complexities surrounding rural youth migration. In conclusion, the logistic regression model serves as a powerful tool to pinpoint crucial factors influencing rural youth migration. These insights provide a solid foundation for shaping targeted policies, essential for retaining and supporting rural youth and fostering sustainable development in both urban and rural areas of North Macedonia.
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    The structure of rural households’ income in North Macedonia - A case study in Polog and Pelagonija
    (University of Banja Luka, Faculty of Agriculture, 2023-09-29)
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    Popovska Stojanov, Despina
    Contemporary trends in rural economic development go beyond the concept that agriculture and food production are the only functions of the rural economy and move towards a broader concept that covers all resources in the rural area, including non-agricultural activities. This paper examines rural households’ economic diversification focusing on their income structure and its impact on their well-being. The paper is based on а questionnaire survey conducted in the year 2018, through direct visits and interviews of 140 rural households from two statistical regions in North Macedonia, Pelagonija and Polog, with carefully designed study’s sample selection methodology to capture the household characteristics. The household income structure is measured as net incomes from all on-farm and off-farm activities and other financial transfers for one calendar year. The analysis has shown that the households which have only one type of income source (I. households with on-farm incomes only from agricultural activities, II. households with on-farm incomes only from non-agricultural activities) have much lower financial success than ones with mixed income sources, while non-agricultural rural households achieve the least success. In addition, households with mixed income sources, including incomes from agriculture, have better financial results than other households with mixed income sources, which do not comprise agricultural incomes. Hence, the challenge for policymakers is to identify the best mechanism to promote rural households’ economic portfolio, with a well-balanced synergy between agricultural and non-agricultural activities, based on agriculture at the centre of rural development, as complementary engines to tackle rural poverty and provide food security.
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    The weed and weedy rice impact on direct seeded rice production in North Macedonia
    (Agricultural Academy of Bulgaria (Земјоделска Академија на Бугарија), 2022)
    Dimitrovski, Trajche
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    Atanasovska, Katerina
    A study from 2017 to 2019 in 10 vilages in the rice producing region of North Macedonia was undertaken to estimate the effect of weed flora on some productive rice properties. The common production technology was implemented. Rice was direct seeded in wet conditons. The weed managent included water bed regulation in combination with herbicide application. The following properties were investigated in three replications: density and infestation of the total weeds, weedy rice and other weed species, crop density, biological, straw and paddy rice yield, harvest index and head rice yield. The results were pooled in 5 groups depending on the weed infestation level. A correlation analysis revaled significant negative effect of the total weeds and the weedy rice component on the crop density, biological yield, harvest index and paddy rice yield. The weeds controled with herbicides were not significanlty correlated and affected the productive properties indirectly as a contributing factor in the total weed density. Low infestation (0.01% to 1.00%) caused drop in paddy rice yield of 6.73%. The most severe cases of weed infestation (15.01% to 25.00%) averaged 100.08 weed tillers/m2 and caused paddy yield drop of 35.30%. These field parcels were located in a region with extensive monoculture, where weedy rice populations constituted 90.68% of the total weed flora, or 90.75 panicles/m2 against 9.33 tillers/m2 from other weed species. Some weedy rice morphotypes were easily distinguished against cultivated rice in field conditions as early as anthesis, while others were more difficult to recognize. This study confirms weedy rice as a serious threat for the direct seeded rice production in the region, and addresses the need to investigate its biology and the most suitable management practices.
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    INFLUENCE OF THE ECONOMIC CRISIS TO THE PRODUCTION PRICE OF WINE GRAPES IN THE REPUBLIC OF NORTH MACEDONIA
    (Faculty of Agriculture of the University of East Sarajevo, 2022-11-30)
    Dimitrov, Lazo
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    Popovska Stojanov, Despina
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    Nedelkovski, Dushko
    The grape production together with the wine industry contributes about 20% of the total agricultural GDP in the Republic of North Macedonia and occupation of around 30,000 rural households. Due to the Covid-19 pandemic crisis and the instability of the world situation, the prices of raw materials in agricultural production are constantly increasing. Hence, the main goal of this paper is to assess the impact of the global economic crisis on the production price of wine grape varieties. The main approach of the comparative analysis for the production prices between the reference years 2020 & 2021 and estimated 2022 is based on established normative calculations of grapes within the Institute of Agriculture. The total costs are calculated based on variable and fixed costs of grape production. The investment and inputs costs are collected by commercial companies, suppliers of raw materials and farmers. The findings demonstrate that the average production price of grapes at total costs for 2020 & 2021 accounts in average 0.30 EUR/kg. The results from the estimations of the production price of grapes for 2022 show increase by 20%, which implies that the economic crisis has a large impact on the viticulture and wine industry. It is anticipated that the socio-economic situation of grape producers will be negatively affected. Therefore, the public policies for development of this important sector for the Macedonian agriculture should correspond to the new situation.
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    Effect of Orgalife Fertilizer on Some Quality Properties of the Seed and Growth Potential of Two Rice Varieties (Oryza sativa L.) Cultivated in North Macedonia
    (Trakya University, Edirne, Turkey, 2021-09)
    Spaseva, Brankica
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    Mitrushev, Ivo
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    The aim of this study was to examine the effect of Orgalife (liquid organic microbial fertilizer based on manure from californian earthworms) on the seeds of two rice varieties, San Andrea and Opale, obtained from three production years: 2018, 2019 and 2020. They were treated with three different concentrations (3.3%, 6.7% and 9.9%) compared to control (distilled water). Germination energy, total seed germination, germination index, seedlings growth (root length, shoot length, dry seedling weight) and vigor index (I and II) were examined. One-way analysis of variance (ANOVA) was carried out and separation of means was performed using the LSD test at P=0.05 and P=0.01 significance level. The values of all treatments for all parameters were compared with the control. Germination energy and total germination for Opale in 2020 showed statistical significance for the 3.3% concentration at P=0.05, while for San Andrea the same significance was noticed only for the germination energy. Germination index for Opale gave statistically significant results only for the 2020 production year at P=0.05. For San Andrea the situation is slightly different where the treatments affected the germination index only for 2018 and 2020. Orgalife treatments increased the vigor index I and II in 2020 for both varieties and for both levels of significance. The length of the seedlings for Opale in 2020 was positively affected by the 3.3% concentration in both levels of significance, while San Andrea in the same year had statistical significance for the 9.9% concentration only for P=0.05. The results for the dry matter showed statistical significance for San Andrea for the 6.7% concentration in 2018. As an overall conclusion, we can say that the use of the Orgalife fertilizer showed to be reasonable for the seedling growth and development, better than the effect on the germination parameters.
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    INTRODUCING SUSTAINABLE RICE PRODUCTION TO IMPROVE ENVIRONMENTAL AND SOCIO-ECONOMIC CONDITIONS IN KOCHANI VALLEY
    (Goce Delchev University - Shtip, 2020)
    Gjosheva Kovachevikj, Marija
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    Ilieva, Verica
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    Arsov, Saso
    Favourable climate conditions and the long tradition of rice cultivation as a main source of livelihood is essential base for a large portion of the population in the Kochani valley. The low productivity levels and high production costs put major limitations on the competitiveness on markets, mainly due to inadequate and obsolete cultivation practices applied. In addition, the common cultivation methods contribute to the destruction of environment and agroecosystems by intensive use of natural resources and agrochemicals. To that end, the NCP project implemented activities for adaptation of sustainable rice practices at 30 farmers, members in the association „Rice Tiller“, Cheshinovo, for the period of three years (2017-2019). Primarily, sustainable rice practices used by farmers consisted of: laser land levelling, use of certified seed material and reduced seed quantity, controlled use of fertilizers and agrochemicals and controlled use of water. Two sowing variants are implemented and tested, one by using seeding machine on dry soil and the another with manual seed broadcasting onto the watered soil. In this paper, data gained from the farmers’ passports, where regularly all agrotechnical measures and costs were recorded, are processed with the use of descriptive statistics and empirical methods of analysis. The outcomes demonstrate that the introduction of sustainable rice production results in efficient use of natural resources and reduced production costs, especially with dry-seeding method, which is fundamental for mitigation of food unsafety, biodiversity loss, soil degradation and environmental pollution, and at the same time for increasing rural households’ revenues.