POTENTIAL INDICATORS FOR Sustainability assessment of food production on the field levelSaša Štraus
, 2012, dissertation
Abstract: The issue of sustainable agriculture has attracted considerable attention. Sustainable agriculture encompasses economic viability, social acceptance, conservation of the environment, and food quality. The present thesis aims to evaluate the sustainability of conventional (CON), integrated (INT), and organic (ORG) production systems (PS). The assessment of sustainability of different PS was made in terms of the four most significant aspects of sustainability—agronomic, economic, environmental, and food quality—at the field level (i). Agronomic parameters such as the number of leaves, leaf area index, fruit characteristics, and seed/oil yield and economic feasibility were evaluated for oil seed pumpkin (ii). The environmental sustainability was assessed through the ecological footprint and weed biodiversity index (iii). The study of food quality determined the internal quality (total phenol, sugar, organic acid, vitamin C, mineral, and nitrate content and antioxidant activity) and sensory evaluation (iv, v). The sustainability of the PS for the four crops was assessed using a qualitative multi-attribute model (DEXi methodology (vi). Because field trial was conducted in protected landscapes (PL), the options for the development of PLs with the ORG PS were evaluated. To obtain the data, a field trial was conducted on a 4000 m2 area in the years 2008 to 2011. Wheat, oil seed pumpkin, red beet, and cabbage grown by the three different PSs—CON, INT, and ORG—and a control plot were studied. They were arranged in a randomized complete block split-plot design with four replications. The production systems differed in plant protection and fertilization strategies, as defined by legislation and standards.
Survey of literature point out that indicator are the basis of assessing sustainability, the assessment of sustainability should encompass at least three pillars of sustainability (i).
Agronomic parameters (ii) and economic feasibility were evaluated for oil seed pumpkin in the field trial. The leaf area index differed significantly between CON (4.8 for CON and 4.1 for ORG) and other production systems at later growth stages (BBCH = 600-700), and it was highly correlated with the yield (808 kg ha-1 for CON and 723 kg ha-1 for ORG). The yield and all agronomic parameters were significantly lower in ORG; however, the economic feasibility analysis showed that the financial results could be higher because of lower production costs (1.784 € ha-1 for CON and 1.434.5 € ha-1 for ORG) and higher product prices. The same economic feasibility analysis results were also obtained for cabbage and red beet (iii).
The Biodiversity Ecological Footprint index (iii) were interpreted using the SPIonExcel tool and the Shannon-Weaver Diversity Index for the weeds species diversity. The ecological footprint of ORG was 3.3 times lower than that of CON (21 ha to 70 ha), and the Shannon-Weaver diversity index of ORG was significantly higher than that of CON (which was 20% higher, 0.66 for CON and 0.86 for ORG).
The internal quality were studied for red beet and white cabbage. Sensory evaluation of sauerkraut samples was made. In the case of red beet, the differences were significant for vitamin C (23.3% higher for ORG than for CON), antioxidant activity (30.3% higher for ORG than for CON), and some microminerals (Na, Cu, Fe, Mn, and Zn) (iv). In the case of cabbage, a significantly lower amount of P and N and a significantly higher amount of Na, Mg, and total phenols (in ORG 0.360 GAE mg g-1 FW and in CON 0.310 GAE mg g-1 FW) was found for ORG than for CON cabbage. The concentration of nitrates is significantly lower in ORG (530 mg kg-1 for CON and 370.37 mg kg-1 for ORG). The sensory evaluation of sauerkraut samples was performed by 100 consumers using a nine-point hedonic scale. The ORG and control samples were evaluated significantly better than the INT and CON samples (overall acceptability was 5.94 for ORG and 5.34 for CON) (v).
The core of the qualitative multi-model (DEXi methodology) is a hierarchical tree that divides
Keywords: Sustainable agriculture, agronomic parameters, environmental parameters, economic feasibility, food quality, DEX, protected landscapes
Published: 29.11.2012; Views: 2001; Downloads: 225
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Structural changes in agriculture in the Pomurje region after 1991Matej Kraner
, Lučka Lorber
, 2010, review article
Abstract: The Pomurje region is the most agricultural and the least developed region in Slovenia. Since 1991, the year when Slovenia gained its independence, the country transformed from the socialist system to the free market capitalism and was forced to restructure the agricultural policy. The decrease and the aging of the population, the abandon of the agriculture production and the decay of cultural landscape turned out to be serious problems. In Pomurje, agriculture was faced with unfavourable age structure of farmers in family farms. The Slovene agricultural policy was aware of this problem and took a number of measures to encourage the aging farmers to retire and the young generation to take over. Alongside this process began the process of merging land in the Pomurje rural areas. In the last 10 years, the agriculture in Pomurje underwent the improvement of agricultural technology, the specialization of productions and the enlargement of farms.
Keywords: Slovenia, Prekmurje, agricultural development, agricultural policies, CAP, agriculture structure, CAP
Published: 10.07.2015; Views: 368; Downloads: 52
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Transition in Slovenian rural areasLučka Lorber
, 2009, review article
Abstract: This paper discusses the changes in Slovenian rural areas after socio-economic changes in the post-socialist European states in the 1970s. It illustrates regional and national factors having effect on transition in Slovenian rural areas. Special emphasis is put on the analysis of structural indicators of socio-economic changes in the Slovenian rural areas in comparison to the neighbouring countries. Slovenian population is strongly attached to their traditional rural way of life. When ranging people's life values, care for maintaining the rural landscape, assuring the quality of lifein relation to nature and production of healthy food come out among their highest priorities. The mentioned fact implies an elaborate analysis of interdependence between the economic impacts of trade economy and realisation of common European agricultural policy in relation to maintaining traditions of living and farm management in Slovenian rural areas. Thus, evaluation of national agricultural policy and development of rural area through indicators showing land use categories, individual farm sizes and their ownership structure, the share and mobility of rural population and individual farms' production orientation, are a good indicator of transition in Slovenian rural area.
Keywords: rural development, agriculture, common European policy, development indicators, regional disparities
Published: 10.07.2015; Views: 534; Downloads: 54
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Application of analytical hierarchy process in agricultureKarmen Pažek
, Črtomir Rozman
, 2005, original scientific article
Abstract: Hierarchical decision models are a general decision support methodology aimed at the classification or evaluation of options that accur in desion-making processes. Decision models are typically developed through the decomposition of complex decision problems into smaller and less comple subproblems. This paper presents an approach to the development and implementation of multicriteria decision model based on Analytical Hierarchy Process - AHP (Expert Choice, EC). Likewise, the AHP is used as a potential multicriteria decision making method for application in agriculture. In order to show the implementation of explained MCDA methods in real situation in agriculture, theapplication of AHP on a sample model farm is presented in the second part of the article.
Keywords: multicriteria decision analysis, MCDA, analytical hierarchy process, AHP, decision support system, DSS, agriculture
Published: 20.07.2017; Views: 400; Downloads: 124
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