1887

Abstract

Summary

The article presents the results of research of the using of satellite images of Sentinel 2A to monitor the development and assessment of the condition of winter wheat and winter rape on sod-podzolic soils under the conditions of Ukraine's Western Polissya. For these purposes, channels with a range of 0. 4 - 2. 5 μm were informative, on the basis of which the vegetative indices NDVI and RNDVI were calculated. It was shown, that the data obtained from the photos of the main stages of the organogenesis during the autumn-winter period of the studied cultures can determine: the area of damaged crops, habitats with different levels of mineral nutrition of plants, doses for nitrogen fertilization and the predicted levels of yield. It was established that the average value of the NDVI index (0.47–0.52), which corresponds to the average value of nitrogen fertilizers, is the starting value for the calculation of the nitrogen fertilizer dose for the winter whea t test fields.

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/content/papers/10.3997/2214-4609.201902049
2019-05-15
2024-04-25
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