Cartographic modeling of soil acidity level of the Zdolbuniv district of the Rivne region

S. Ostapchuk, N. Kushniruk
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Abstract

The economic use of agricultural land requires systematic agrochemical surveys, a balanced analysis of the results obtained and the adoption of the right decisions to improve soil fertility, increase agricultural efficiency, and preserve the environment. One of the most important tools in this type of research is mapping modelling. The purpose of this article is to study and analyse the level of soil acidity in one of the most agriculturally developed regions of Rivne Oblast - Zdolbuniv district. Based on the results of the last three rounds of scheduled agrochemical certification of agricultural land (rounds 9-11, 2007-2017) conducted by the Rivne branch of the State Institution "Derzhgruntoochorona", the weighted average indicators of soil pH were calculated in the context of former village councils, a corresponding database was created, and the author's own thematic maps and diagrams were created. The thematic maps were developed using ArcMap software, the coordinate system was Pulkovo 1942 GK Zone 5, the scale was 1:250,000, and the main method of depiction was cartograms. The dynamics of soil acidity in the region during the last three rounds of surveys was summarised and analysed, making it possible to identify areas with optimal, high or low values of indicators, and to identify possible problematic or potentially fertile lands. Specific recommendations for improving soil acidity were provided, primarily for medium acidic soils in the former Staromoshchanytsia and Stupnivka village councils and medium alkaline soils in the former Myrotyn and Uizdets village councils. Thematic maps and diagrams created in this way, with other additional and detailed data, can become an important basis for making informed management decisions to optimise soil acidity both on the territory of former village councils and agricultural formations, individual fields and plots.
河流域Zdolbuniv地区土壤酸度水平的制图模拟
农业用地的经济利用需要系统的农化调查,对所获得的结果进行平衡分析,并采取正确的决策来改善土壤肥力,提高农业效率,保护环境。这类研究中最重要的工具之一是映射建模。本文的目的是研究和分析里夫纳州农业最发达的地区之一- Zdolbuniv地区的土壤酸度水平。根据国立机构“Derzhgruntoochorona”Rivne分所进行的最后三轮农用地定期农药认证(2007-2017年9-11轮)的结果,计算了前村委会背景下土壤pH值的加权平均指标,创建了相应的数据库,并创建了作者自己的专题地图和图表。专题地图采用ArcMap软件制作,坐标系统为Pulkovo 1942 GK Zone 5,比例尺为1:25万,主要绘制方法为地图图。总结和分析了过去三轮调查期间该区域土壤酸度的动态,从而能够确定指标值最佳、高或低的地区,并确定可能有问题或可能肥沃的土地。提出了改善土壤酸度的具体建议,主要是针对前Staromoshchanytsia和Stupnivka村委员会的中等酸性土壤和前Myrotyn和Uizdets村委员会的中等碱性土壤。以这种方式绘制的专题地图和图表,以及其他额外和详细的数据,可以成为做出明智的管理决策的重要基础,以优化前村委会和农业组织、个别田地和地块的土壤酸度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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8 weeks
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