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Land use directions optimization in the agricultural sector in Kyiv region
Ukraine is one of the world leaders by the level of the anthropogenic change in natural landscapes. The main reason of this is the agricultural development. The anthropogenic pressure increases is not only for soil but for all landscapes of the region. The situation deteriorates by decreasing the area of the ecological stabilizing categories of land-use (forests, water objects and wetlands) and the increasing the area of settlements l (including the expansion of the network of transport routes).
The task of restoration and preservation of soil fertility, the rate reduction and extent of erosion and land degradation processes for many years were defined as a priority in national agricultural policy and for the Kiev region. However, funding to implement this policy each year is declining. As a result, management is in violation of scientifically based requirements about crop rotations and with the decreasing the applying fertilizers. The results of that management are deficient humus balance, accelerated agrochemical degradation and significant deterioration of the ecological condition of agricultural land. In the region there are many of adverse agro-ecological processes that are inherent and for the rest part of Ukraine. In addition, there are trends towards intensification and synergistic effect of their influence on the background of an unbalanced ratio between the main types of lands and land use. The evolution area analysis of land use categories in Kyiv region over the past decade suggests increasing anthropogenic pressure on the state of the environment by increasing the area of built-up areas (10.0%), although the structure of land tenure Kyiv region deformed toward the predominance of agricultural land. Index of cultivated farmland area reached 81.5% (the largest arable land is concentrated in its forest-steppe zone).
Insufficient return nutrients to the soil that is removed by increasing yields on the background to the trend of decreasing the arable land. Increasing the application of mineral fertilizers, observed in recent years does not solve the problem, because there is a constant declining of the manure that does not meet the needs of sustainable land use. The problem of organic fertilizers in Ukraine and in Kyiv region is very serious, as evidenced by the steady decline in livestock of animals. Thus, in comparison with 1990 livestock of cattle in the Kyiv region is decreased 8.4 times, and cows - 6 times. The current economic circumstances raise questions at the agenda of finding alternative sources of organic fertilizers. For this aim, along with application the perennial grasses, crop residues, different types of composts and others, there is the use of sapropel as organic components of fertilizer (0.8 billion tons of lake sapropel deposits are explored in Ukraine, in addition, significant reserves of it is under wetlands). Adding 30 t per ha sapropel into soils of Polesie and forest steppe promotes the formation of an average of 1.3 t per ha of humus, increasing of introduction of these fertilizers to 60 t per ha - the formation of humus increases to 2.6 t per ha. Improvements need support from the state in particular the provision of funding to carry out tasks of the State program of Ukrainian villages development by 2015, also the reform of agricultural production. The key point in the reform of agricultural production, in our opinion, is the issue of land ownership that encourages agricultural producers to increase investment in the restoration and preservation of soil fertility.
Thus the fundamental changes of policy in using of agricultural land is necessary for the preserving their fertility. Further ignoring the existing problems will lead to irreversible loss of valuable land with high rates of fertility, which ultimately threatens the level of food security.
Key words: soil use structure, soil resources, agrarian production, anthrogenic pressing, environmental steadiness.
Investigating formation of free financial resources within a cycle of social reproduction on the basis of methodological standards of the System of national accounts
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