Analysis of territorial peculiarities of cropland abandonment process in Kirov Province

Daniil Kovbashin, A. Sonyushkin
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Abstract

In the last two decades in most regions of the country there has been a restoration of abandoned lands during the crisis of the 1990s. and higher yields due to a significant increase in state support for the agricultural sector and structural changes such as the emergence of agricultural holdings. As a result of modern reforms, Russia has become a leading player in the foreign food market. However, these positive developments take place against the background of a process of deepening regional differences in the productivity of the agricultural sector. The aim of the study is a comparative analysis of the dynamics of the withdrawal from circulation of sown areas in the Kirov province during the crisis of the 1990s. and post-crisis period 2000–2020. The analysis of spatio-temporal dynamics of the withdrawal from circulation and restoration of croplands was carried out by remote sensing methods for three agro-climatic zones and the main types of soils in the Kirov province. The main resource of the region is soddy-podzolic soils, which accounted for more than 77 % of the cropland in 1990 and about 70 % in 2020. The reduction in the area of cropland with this type of soil reached 90 % in the northern and 80 % in the central and southern zones, regardless of their differences in heat supply. Crisis period 1990–2000 characterized by the highest rate of withdrawal of agricultural land from circulation. In the post-crisis period, the reduction in sown areas only continued. Against this background, there is an extremely slight recovery of cropland (about 5 % of the 1990 level). There are natural differences in the restoration of sown areas in agro-climatic zones and by soil types, but they are poorly reflected in the overall negative dynamics of cropland, due to the low agro-climatic potential of the entire Kirov province.
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基洛夫省耕地撂荒过程的地域特征分析
在过去的二十年中,在该国的大多数地区都恢复了1990年代危机期间被遗弃的土地。更高的产量是由于国家对农业部门的支持显著增加,以及农业控股等结构性变化的出现。由于现代改革,俄罗斯已成为国外食品市场的主要参与者。然而,这些积极的事态发展是在农业部门生产力的区域差异不断加深的背景下发生的。该研究的目的是比较分析1990年代危机期间基洛夫省播种地区退出流通的动态。后危机时期2000-2020年。利用遥感方法对基洛夫省3个农业气候带和主要土壤类型进行了农田退耕与恢复的时空动态分析。该地区的主要资源是盐碱化土壤,1990年占耕地的77%以上,到2020年约占70%。在不考虑供热差异的情况下,这种土壤的耕地面积在北部减少了90%,在中部和南部地区减少了80%。1990-2000年经济危机时期,农用地退出流转率最高。在后危机时期,播种面积继续减少。在这一背景下,耕地的恢复极为微弱(约为1990年水平的5%)。在农业气候带和土壤类型中,播种面积的恢复存在自然差异,但由于整个基洛夫省的农业气候潜力低,这些差异在农田的总体消极动态中反映得很差。
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来源期刊
CiteScore
0.90
自引率
0.00%
发文量
2
审稿时长
8 weeks
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