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    Wyświetlanie 1-3 z 3
    Tytuł:
    Complex assessment of plant growing development in regions of Ukraine to work out recommendations for institutional changes in agriculture
    Autorzy:
    Shmygol, Nadia
    Powiązania:
    https://bibliotekanauki.pl/articles/692553.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Ekonomiczny w Poznaniu
    Tematy:
    agricultural sector
    estimation of plant growing
    intensive load (stocking) factor
    extensive load (stocking)factor
    crop capacity
    Opis:
    This article deals with the prospects and trends of crop production development in Ukraine, as well as the methods and ways of supporting this industry by the state.According to the article, the primary objective of the state is to create conditions through the reallocation of resources and facilitate the introduction of new forms of economic activity in the regions, which are depressed in terms of agriculture today.It is noted that to justify the need for institutional changes in crop production we must take into account the appropriate specifics of agricultural production in some areas.The article reports that, a large number of similar types of agricultural enterprises, unlike in other sectors of the economy, allow us to group the results of their activity: in terms of forms of management, on a territorial basis or according to other types of features for further comparative analysis.Therefore, the article offers the crop production regions clustering in certain areas, to determine which areas need the state aid priority.It is noted that in terms of crop production it is possible to increase the efficiency of agricultural activity due to a better use of agricultural land, as well as by an increase in average crop yield per 1 hectare. Therefore, it is offered to use the integral index of crop production position of each region, based on the ratios of extensive and intensive load.The extensive load factor represents the degree of agricultural land use.The intensive load factor reflects the effectiveness of land fund usage, that is, the average yield, which is produced from the agricultural land of the same region. However, the average yield cannot directly serve as the basis for calculation, because the structure of the sown area of each region is heterogeneous.In this study, while calculating the intensive load factor, it is offered primarily to carry out the procedure of yield rate normalization for each group of crops separately.Using the method of integral estimation of crop development, the autor has made an appropriate ranking of Ukraine regions according to the area of sown crops in Ukraine, based on which 4 sectors of Ukraine areas have been allocated and grouped by crop production development level.The article goes on to give the recommendations for decision making supporting investments and state aid for each of the selected sectors to further develop crop production in the regions of Ukraine.
    Źródło:
    Research Papers in Economics and Finance; 2016, 1, 1; 47-54
    2543-6430
    Pojawia się w:
    Research Papers in Economics and Finance
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soil moisture and thermal properties state under plant crops
    Autorzy:
    Usowicz, B.
    Kossowski, J.
    Hurtalova, T.
    Matejka, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/1402604.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    plant crop
    bulk density
    thermal conductivity
    thermal property
    canopy
    heat capacity
    soil moisture
    plant
    water content
    Źródło:
    Acta Agrophysica; 2001, 53; 189-200
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of soil extracts from a monoculture of spring wheat (Triticum aestivum L.) grown under different tillage systems on the germination of its seeds
    Wpływ wyciągów glebowych spod monokultury pszenicy jarej (Triticum aestivum L.) z różnych systemów uprawy roli na kiełkowanie jej ziarniaków
    Autorzy:
    Kraska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/27578.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    soil extract
    monoculture
    wheat
    spring wheat
    Triticum aestivum
    tillage system
    germination
    seed
    catch crop
    allelopathy
    germination energy
    germination capacity
    o-dihydroxyphenol
    Opis:
    The present experiment was carried out in the period 2006–2008. The aim of this study was to determine the effect of aqueous soil extracts from the soil of a spring wheat monoculture on seed germination energy and capacity, the length of the first leaf and of the longest radicle as well as the number of radicles. Moreover, the content of 0-dihydroxyphenols in the soil was compared in the last year of the study. The soil used to prepare the solutions came from a field experiment established on medium heavy mixed rendzina soil. Spring wheat, cv. Zebra, was grown using plough tillage and two conservation tillage methods in the presence of undersown crops (red clover, Westerwolds ryegrass) and stubble crops (lacy phacelia, white mustard). Germination energy of the seeds watered with the soil extracts from the ploughed plots was significantly higher than this trait in the seeds watered with the extracts from the conservation tillage treatments with spring disking of the catch crops. Germination energy and capacity of spring wheat in the control treatment watered with distilled water were significantly higher compared to the other treatments under evaluation. Spring wheat watered with the aqueous extract prepared from the soil obtained from the plough tillage treatment produced a significantly longer first leaf compared to the treatments in which both conservation tillage methods had been used. The shortest leaf and the lowest number of radicles were produced by the seedlings watered with the soil extract from the treatment with the white clover stubble crop. Radicle length was not significantly differentiated by the soil extracts under consideration. The content of 0-dihydroxyphenols in the rendzina soil determined during the spring period was higher than that determined in the autumn. The content of 0-dihydroxyphenols in the soil was lower in the conservation tillage treatments with autumn incorporation of the catch crops than in the plots in which plough tillage and conservation tillage with spring disking of the catch crops had been used. The type of catch crop used did not have a significant effect on the soil content of these compounds. At the same time, it was found that the treatments in which the catch crops had been sown tended to have higher contents of these compounds compared to the plots without catch crops.
    Źródło:
    Acta Agrobotanica; 2011, 64, 1
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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