Abstract
Using the example of two crop rotation fields located in the chernozem zone of the Republic of Tatarstan, the spatial variability of soils agrochemical properties was assessed in terms of the application of precision farming technologies when applying mineral fertilizers. It is shown that the use of mixed samples of polygons with an area of 5 ha as an elementary sampling site is sufficient detail for a geostatistical description of the spatial heterogeneity of the agrochemical properties of chernozem soils.
Highlights
Modern technologies of precision farming, which have been widely introduced recently in agricultural production, imply an assessment of the spatio-temporal heterogeneity of agricultural lands, and the strategy for their implementation is focused on adapting the crop system to the spatial heterogeneity of crop rotation fields
One of the main problems in the implementation of precision farming technologies in Russia is the absence of the required number of accurate maps of the availability of available nutrients for agricultural lands
The study of variability was given an important place in the study of soil cover structures [3], its heterogeneity [4, 5], and the identification of statistical estimates and distribution of soil properties [6, 7]
Summary
Modern technologies of precision farming, which have been widely introduced recently in agricultural production, imply an assessment of the spatio-temporal heterogeneity of agricultural lands, and the strategy for their implementation is focused on adapting the crop system to the spatial heterogeneity of crop rotation fields. One of the main problems in the implementation of precision farming technologies in Russia is the absence of the required number of accurate maps of the availability of available nutrients for agricultural lands. The detection and mapping of changes in the content of available forms of nutrients in the soil is the main problem for the implementation of precision farming methods in real production [1]. Detailed mapping of nutrient content is difficult due to the fundamental property of soils — variability and heterogeneity of the soil cover. The study of variability was given an important place in the study of soil cover structures [3], its heterogeneity [4, 5], and the identification of statistical estimates and distribution of soil properties [6, 7]
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